Disciplines / Research questions

物理学

691 个研究主题 · 2739 个问题

一维配置和与共形字符4 个问题
  1. Energy-preserving bijection between RSOS paths and transfer-matrix string patterns in the physical combinatorics of critical RSOS and XXX models

  2. Classification of modular partial Nahm sums: Nahm's problem for lattice-coset restrictions

  3. Proof of the finitized bosonic character conjecture for the one-dimensional configuration sums of 2×22\times2 fused RSOS models

  4. Native finitization of Bressoud (k−1)(k-1)-restricted paths for Zk\mathbb{Z}_k parafermionic characters: a canonical length assignment

银河系星际空间中大量26Al^{26}\mathrm{Al}核素起源的疑难问题3 个问题
  1. The Galactic 26Al problem: systematics of the 1.809 MeV inference chain and the origin of the solar nebula's 26Al

    未解决约 20 年
  2. Can the 14^{14}N(16^{16}O,α\alpha)26^{26}Al fusion channel in explosive oxygen burning of supernovae account for the Galactic 26^{26}Al inventory?

    未解决约 20 年
  3. Constraining the 26Al(n,p)26Mg^{26}\mathrm{Al}(n,p)^{26}\mathrm{Mg} and 26Al(n,α)23Na^{26}\mathrm{Al}(n,\alpha)^{23}\mathrm{Na} stellar destruction rates at explosive-burning temperatures (T9≈0.3T_9\approx0.3–2.52.5)

    未解决约 40 年
引力波探测8 个问题
  1. Operational significance assignment for continuous gravitational-wave detections from known pulsars: signal-agnostic sky-bin excision, extreme-tail inference, and cross-pipeline validation of the sky-shifting method

    未解决约 5 年
  2. Mapping KAGRA+ upgrade-design choices to detection capability across gravitational-wave source classes: low-frequency sensitivity, event-rate uncertainty, waveform systematics, and core-collapse-supernova modeling limits

    未解决约 6 年
  3. Gravitational-wave burst detection of unknown morphology in pulsar timing array data under timing-model degeneracy and correlated noise

    未解决约 16 年
  4. Model-based cross-correlation search for gravitational waves from Scorpius X-1: separating intrinsic amplitude from unknown spin inclination, and bounding the coherence time under spin wandering

    未解决约 11 年
  5. Rigorous per-band population-average upper limits in all-sky continuous gravitational-wave searches

    未解决约 7 年
  6. Predictive sensitivity modeling and follow-up uncertainty in deep hierarchical all-sky searches for continuous gravitational waves

    未解决约 3 年
  7. Establishing scientifically credible detection capability for high-frequency (MHz-GHz) gravitational waves

    未解决约 5 年
  8. Reliable equation-of-state constraints from binary-neutron-star post-merger gravitational waves: out-of-sample model systematics, training-data limits, and exotic-matter robustness

    未解决约 6 年
永恒暴涨是可能的吗?8 个问题
  1. Is there any coherent measure for eternal inflation?

    未解决约 14 年
  2. Controlled stochastic eternal inflation versus the refined swampland de Sitter conjecture: is the exclusion robust?

    未解决约 7 年
  3. The holographic measure on the exit from eternal inflation: establishing the smooth-exit conjecture beyond toy models and extending it to realistic decelerating cosmologies

    未解决约 9 年
  4. Eternal inflation in swampy landscapes: quantitative transition rates, the flyover mechanism, and a measure for the domain-wall multiverse

    未解决约 7 年
  5. Initial-condition dependence and rigorous eternality criteria for hilltop eternal inflation

    未解决约 10 年
  6. A UV-complete, swampland-compatible multiverse: eternal inflation, realistic tunneling rates, and the minimum inflationary duration in an actual landscape

    未解决约 2 年
  7. Microphysical realization of the breathing comoving Hubble multi-inflation scenario under the trans-Planckian censorship conjecture

    未解决约 6 年
  8. Incidence of eternal inflation at small field scales and in multifield random-potential landscapes

    未解决约 4 年
用 “瓦特天平” 法实现量子质量基准3 个问题
  1. Reducing the combined measurement uncertainty of the BIPM Kibble balance realization of the kilogram: parasitic motion, electrical, alignment, and magnet-drift limitations

    未解决约 6 年
  2. Maintaining consensus for the redefined kilogram: reconciling discrepant independent realizations for consistent mass dissemination

    未解决约 7 年
  3. Suppressing alignment-related type-B uncertainties in the KRISS Kibble balance to reach a 10−810^{-8}-level realization of the kilogram

    未解决约 6 年
用超冷原子气体仿真超导体7 个问题
  1. Induced interactions and pairing in multi-component optical-lattice Fermi gases beyond weak-coupling mean field

    未解决约 17 年
  2. Effective extended-Hubbard description and scale-up of exact configuration-interaction benchmarks for ultracold fermions in optical plaquettes

    未解决约 9 年
  3. Controlled phase diagram and critical behavior of the collision-induced pair-hopping Bose-Hubbard model for bosonic atoms in state-dependent optical lattices

    未解决约 19 年
  4. Beyond-mean-field stability and dissipative regime of cavity-induced finite-momentum (FFLO-like) pairing in ultracold lattice Fermi gases

    未解决约 6 年
  5. Finite-temperature superconducting transition of the two-dimensional mixed-dimensional bilayer t–J model: BKT critical temperature and pairing signatures with interlayer density coupling

    未解决约 5 年
  6. Phonon-mediated Cooper pairing of light atoms in the large-scattering-length optical-lattice electron-phonon simulator

    未解决约 12 年
  7. Intermediate-coupling phase diagram of the two-dimensional extended Hubbard-Holstein model: preformed pairs, BKT condensation, and pseudogap signatures at λ ≈ 1 and ℏω_ph ≈ t

    未解决约 5 年
用基本物理常数建立国际单位制SI的基本单位5 个问题
  1. Physical origin of the mode-dependent inconsistencies in cylindrical acoustic gas thermometry: even–odd A0,lA_{0,l} dependence, nonlinear gas–shell coupling, and negative excess half-widths

    未解决约 15 年
  2. How many dimensional units does a quantum-gravity spacetime grant? The quantum-gravitational generalization of the minimal-standards count of fundamental constants

    未解决约 2 年
  3. Origins of the input-data inconsistencies that force uncertainty expansion in the CODATA fundamental-constants adjustment: the fine-structure constant, the Newtonian constant of gravitation, and hydrogen/deuterium spectroscopy

    未解决约 2 年
  4. Linking the atomic and macroscopic mass scales in the post-2019 SI: atom-counting realization of the kilogram at competitive uncertainty

    未解决约 7 年
  5. Closing the quantum metrology triangle at the 10−810^{-8} level: cryogenic-capacitor frequency dispersion versus direct single-electron current architectures

    未解决约 41 年
用统计物理学方法处理约束满足问题面临的五个挑战3 个问题
  1. Reconstruction versus mixing for Glauber dynamics on sparse random graphs

    未解决约 16 年
  2. Extremal Bethe-state decomposition of the Gibbs measure of general random constraint satisfaction problems

    未解决约 16 年
  3. Dembo–Montanari-precision finite-size scaling for the kk-core of sparse random graphs beyond the settled 2-core

    未解决约 19 年
用AdS/CFT对偶方法研究强子物理和强耦合夸克物质9 个问题
  1. Simultaneous holographic description of pion static observables and the spacelike pion electromagnetic form factor in bottom-up AdS/QCD with chiral symmetry breaking

    未解决约 19 年
  2. Holographic transport coefficients of dense QCD matter in paired, magnetized, and confined phases

    未解决约 4 年
  3. Backreaction, color superconductivity, and the fate of the quarkyonic phase in the holographic QCD phase diagram

    未解决约 5 年
  4. Localized D5-brane baryons and astrophysically viable parameter regions in the holographic D3/D7 quark-star model

    未解决不足 1 年
  5. Consistent scalar-meson and axial-vector sectors in holographic QCD for the hadronic light-by-light contribution to the muon g−2g-2

    未解决约 3 年
  6. Transport coefficients of strongly coupled dense quark matter with pairing, realistic flavor structure, and unquenched flavor backreaction

    未解决约 6 年
  7. Non-perturbative running of multi-quark operator dimensions in holographic QCD and the robustness of the sexaquark mass prediction

    未解决约 3 年
  8. Completing the multi-phase holographic description of dense QCD matter for neutron stars: transport coefficients for confined and paired phases, finite-temperature merger inputs, and the holography-versus-pQCD contrast at intermediate densities

    未解决约 4 年
  9. Quantitative weak equilibration rates for strongly coupled cold quark matter: quark masses, pairing, and model dependence

    未解决约 2 年
有关扫描隧道显微镜(STM)方面的一个问题6 个问题
  1. Quantitative STM tunneling-current prediction in the trapezoidal-barrier planar model: self-consistent image potential, low-bias accuracy, elevated-temperature emission, tip-shape corrections, and experimental validation

    未解决约 4 年
  2. General, robust, and physically interpretable deep-reinforcement-learning control of scanning-tunneling-microscope atom manipulation

    未解决约 3 年
  3. Fullerene-based tunneling probe of inter-valley coherence in moiré heterostructures: quantitative evaluation and experimental realization

    未解决约 2 年
  4. Testing the double-quantum-dot mechanism for spin resonance in STM current noise: second Larmor and difference-frequency resonances, the tip spin, and the absolute noise power

    未解决约 7 年
  5. Validity domain and k-space inversion of simultaneous I(V) and dI(V)/dz scanning tunneling spectroscopy

    未解决约 8 年
  6. Microscopic origin and channel decomposition of the element-specific tunneling-current modulation in synchrotron-radiation scanning tunneling microscopy

    未解决约 18 年
有粒子数反转与无粒子数反转激光5 个问题
  1. Population inversion versus coherence in N2+ air lasing: discriminating emission mechanisms and building a predictive model for polarization-modulated strong-field pumping

    未解决约 12 年
  2. Experimental realization and robustness of lasing without population inversion in an Er3+-doped YAG crystal

    未解决约 14 年
  3. Nonlinear steady state and realizability of lasing with and without inversion in an optically thin gain medium near a metal surface

    未解决约 4 年
  4. Demonstrating amplification and lasing without inversion at 253.7 nm in mercury vapor (Doppler-free four-level double-dark-state scheme)

    未解决约 26 年
  5. Mechanism of gain and population inversion on the B2Σu+→X2Σg+B^2\Sigma_u^+\to X^2\Sigma_g^+ transition of N2+\mathrm{N_2^+} in air lasing

    未解决约 14 年
有限 bond dimension 截断4 个问题
  1. Rigorous criteria for operator-entanglement boundedness and truncation-error control in Heisenberg-picture DMRG simulation of one-dimensional quantum dynamics

  2. Rigorous compression theory and memory bounds for influence matrices of chaotic quantum many-body dynamics

  3. A comprehensive theory of finite-bond-dimension effects in matrix product state approximations beyond the conformal-field-theory scaling picture

  4. Predictive theory of finite-bond-dimension errors in the tensor renormalization group: convergence rates, effective correlation length, and spurious fixed points for universal critical data

有限尺寸基态能4 个问题
  1. Finite-size effects and root structure of the inhomogeneous Bethe ansatz equations for the half-filled Hubbard chain with nonparallel boundary magnetic fields

  2. Finite-size energy of a one-dimensional Fermi gas beyond non-negative potentials: bound states and the zero-energy-resonance regime

  3. Finite-size scaling theory for boundary renormalization-group flows in gapless one-dimensional quantum systems

  4. Systematic analytic finite-size corrections for the periodic spin-1/2 isotropic antiferromagnetic Heisenberg chain: convergent Bethe-ansatz rapidity asymptotics, higher-order RG energy series, and excited states

有限尺寸谱与连续极限2 个问题
  1. Analytic control of the non-compact continuum limit of two coupled Potts models (the a3(2)a_3^{(2)} model in regime III): logarithmic finite-size amplitudes, density of states, energy exponents, and the underlying conformal field theory

    未解决约 12 年
  2. Continuum-limit identification of the staggered six-vertex model with integrable open boundaries: Euclidean or Lorentzian black-hole sigma model, and the emergence of the non-compact direction

    未解决约 5 年
有限尺寸修正2 个问题
  1. Finite-size corrections, crossover scaling, and KDP-singularity rounding for the dimer model on the generalized checkerboard B and C lattices

  2. Higher-order non-analytic finite-size corrections in the random assignment problem

有限纠缠标度4 个问题
  1. Extending the iPEPS Disorder-Parameter Framework and Its Finite Correlation Length Scaling to Continuous, Higher-Form, and Subsystem Symmetries

  2. Completing the self-congruent-point effective field theory for finite-entanglement scaling in critical matrix product states

  3. Origin and universality of the finite correlation length ξ(D)\xi(D) in variationally optimized Lorentz-invariant gapless iPEPS

  4. Rigorous derivation of the finite-bond-dimension scaling of the correlation length in tensor network renormalization

有限量子多体系统平均场近似中的对称性恢复问题8 个问题
  1. Finite-temperature variation after particle-number projection in nuclear mean-field theory: a tractable projected entropy and free energy in the paired phase

    未解决约 21 年
  2. Generality and measurability of extensive two-mode quantum discord in pair-correlated finite fermion systems

    未解决约 12 年
  3. Extending angular-momentum-projected Nilsson mean-field plus exactly solvable pairing: isovector proton-neutron pairing, the validity boundary of the K=0 truncation, effective charges, and heavier nuclei

    未解决约 10 年
  4. Variation after multi-symmetry projection: restoring angular momentum and parity inside the variational process, with isospin as the envisioned completion, using general Bogoliubov states and chiral three-nucleon interactions

    未解决约 5 年
  5. Well-defined particle-number projection and configuration mixing for nuclear energy density functionals: contour-independent multi-reference energies free of pole and branch-cut pathologies

    未解决约 19 年
  6. Symmetry restoration within the many-body-basis mean-field formulation of the Hubbard model: formulation, exact-diagonalization benchmark, and cost assessment

    未解决约 3 年
  7. Lipkin-method variation-after-projection for rotational and isospin symmetry restoration in nuclear energy-density-functional theory: quantitative assessment, kernel singularities, and range of applicability

    未解决约 17 年
  8. Generalizing the fermionic quantum-ring benchmark of symmetry breaking and restoration: U(1) gauge symmetry with particle-number projection, higher-dimensional spherium and glomium, and evaluation with dynamically correlated interactions

    未解决约 2 年
有限温自由能2 个问题
  1. Rigorous completion of the quantum transfer matrix approach to the thermodynamics of the spin-1/21/2 XXZ chain: all-temperature solvability of the non-linear integral equations and full classification of the subdominant spectrum

  2. Finite-temperature thermodynamics and finite-size structure of the one-dimensional Hubbard model with nonparallel boundary magnetic fields

宇宙标准尺——重子声波振荡7 个问题
  1. Establishing the galaxy density–ellipticity (GI) baryon acoustic oscillation channel as a validated percent-level standard ruler

    未解决约 3 年
  2. Are new pre-recombination physics or calibrator systematics behind the short sound horizon inferred from late-time distance indicators?

    未解决约 7 年
  3. The nonlinear BAO peak shift in the Lyman-alpha forest: sign, magnitude, and robustness to IGM modeling

    未解决约 2 年
  4. Robust sound-horizon-free measurement of H0H_0 from galaxy clustering at future-survey precision: validity of the rescaling methodology, the role of equality-scale information, and the power to constrain early-Universe solutions of the Hubble tension

    未解决约 6 年
  5. Origin of the DESI low-redshift baryon acoustic oscillation distance offsets: statistical fluctuation, unmodelled systematics, or new physics

    未解决约 2 年
  6. Catalogue-level validation of the BAO sound-horizon estimator–integral mismatch and its corrections at Stage-IV survey precision

    未解决约 11 年
  7. Model-minimal calibration of the low-redshift Universe: model-independent curvature, absolute BAO ruler scale, and redshift-stability of the standard ruler

    未解决约 11 年
宇宙磁场8 个问题
  1. Spatial distribution of quark-hadron-fluctuation primordial magnetic bubbles at low redshift and their ultra-high-energy cosmic-ray consequences

    未解决约 19 年
  2. Completing the backreaction analysis of inflationary magnetogenesis: the self-consistent anisotropic phase, its primordial spectra, and strong-coupling viability in the Kanno–Soda–Watanabe scenario

    未解决约 17 年
  3. Robust detection and environmental separation of cosmic-web magnetic fields via Faraday rotation

    未解决约 7 年
  4. Can magnetic fields in cosmic-void interiors be established as observable relics of the primordial seed field?

    未解决约 16 年
  5. Origin of cosmic-web magnetism: discriminating primordial versus astrophysical magnetogenesis through joint radio observations and simulations

    未解决约 32 年
  6. Viability of a quasi-homogeneous cosmological seed field for the galactic mean-field dynamo

    未解决约 14 年
  7. Can purely astrophysical magnetogenesis magnetize the volume-filling intergalactic medium, or is a primordial seed required?

    未解决约 24 年
  8. Quantitative closure of the electroweak-magnetogenesis hypothesis for cosmic-void magnetic fields

    未解决约 11 年
宇宙第一代恒星8 个问题
  1. Existence and detectability of low-mass metal-free (Population III) stars surviving in the Milky Way today

    未解决约 45 年
  2. Physical mass loss from Population III stars during quasi-static evolution: mechanisms, thresholds, and integrated amounts, and their consequences for pre-supernova masses and final fates

    未解决约 16 年
  3. Robust determination of the Population III initial mass function from extremely metal-poor star abundances under supernova explodability filtering

    未解决约 1 年
  4. Trans-iron nucleosynthesis in zero-metallicity rotating massive stars: primary neutron sources, the seed-absence limit, and yield scaling with mass, rotation, mergers, and explosion physics

    未解决约 17 年
  5. Surviving low-mass metal-free Population III stars: discovery or exclusion, and the low-mass end of the first-star initial mass function

    未解决约 45 年
  6. When did Population III star formation end? The persistence of metal-free star formation into the reionization era and its observability

    未解决约 20 年
  7. The missing pair-instability supernova chemical imprint in extremely metal-poor stars: explaining its absence and constraining the Population III initial mass function

    未解决约 24 年
  8. The origin of the most iron-deficient stars: surface-polluted Population III survivors or second-generation stars, and the search for pristine survivors

    未解决约 23 年
宇宙伽马射线暴的余辉6 个问题
  1. The physical nature of EP241107a and gamma-ray-quiet Einstein Probe fast X-ray transients: afterglow absorption physics, absent prompt emission, and the faint-GRB-channel question

    未解决不足 1 年
  2. Physical origin of pre-prompt afterglow onset in gamma-ray-burst X-ray plateaus: a central-engine and ejecta model for the L0L_{0}–T0T_{0}–Eγ,isoE_{\gamma,\mathrm{iso}} scalings, or a quantitative refutation of the prior-activity interpretation

    未解决约 20 年
  3. Recovering unmodelled physical emission components in Gaussian-process-marginalized gamma-ray burst afterglow inference

    未解决约 6 年
  4. Afterglow polarimetry as a quantitative probe of non-axisymmetric gamma-ray burst jets: deformed visible regions, magnetic-field coherence, and multi-wavelength disentanglement

    未解决约 1 年
  5. The physical origin of the late-time very-high-energy emission component in gamma-ray burst afterglows

    未解决约 6 年
  6. Late-Time X-Ray Excess, Jet-Structure Degeneracy, and Reverse-Shock Systematics in the Structured Forward–Reverse-Shock Afterglow of GRB 170817A/GW170817

    未解决约 5 年
宇宙弦的演化7 个问题
  1. Scaling of ZN\mathbb{Z}_N string networks with baryon-vertex junctions at large NN and in the local dual flux-tube theory

    未解决不足 1 年
  2. Completing the varying-tension growth mechanism for cosmic strings: loop production, percolation into networks, multi-modulus dynamics, and field-theoretic strings

    未解决约 2 年
  3. Microphysical determination of the inputs to the kinematically constrained multi-tension cosmic-superstring network model

    未解决约 16 年
  4. Asymptotic scaling of multi-tension cosmic string networks with bound states: unequal tensions, bound-state abundance, and semi-analytic calibration

    未解决约 18 年
  5. Loop decay in Abelian-Higgs cosmic string networks: the instability exciting internal modes, the Nambu-Goto-like loop fraction, and field-theory-based observational forecasts

    未解决约 5 年
  6. Quantitative calibration and validation of the charge-velocity-dependent one-scale (CVOS) model for current-carrying cosmic string networks

    未解决约 5 年
  7. Validated dynamics of cosmic string networks with time-varying tension: calibrating the generalized VOS model, the momentum parameter k(v), and the post-percolation fate

    未解决约 1 年
宇宙线中存在奇异滴吗8 个问题
  1. Definite prediction of the galactic strangelet flux: from strange-star-merger multifragmentation spectra to observable cosmic-ray fluxes

    未解决约 11 年
  2. Testing the strangelet hypothesis for the cosmic-ray knee: is the primary flux between the knee and the ankle dominated by non-nuclear strange-quark-matter particles, and what is the true rigidity scale of the nuclear cutoffs?

    未解决约 30 年
  3. Strangelet interpretation of the 1–100 PeV cosmic-ray knee anomalies: microscopic interaction theory, strange-quark-star source physics, and observational confirmation

    未解决约 46 年
  4. Predictive modeling of a geomagnetically trapped strangelet population (the strangelet belt)

    未解决约 19 年
  5. Testing the strangelet-based model of the cosmic-ray spectrum: the strangelet component of the primary cosmic-ray flux above 1017 eV10^{17}\ \mathrm{eV}

    未解决约 29 年
  6. Quantitative test of the strangelet hypothesis for the cosmic-ray knee and its anomalous effects at 1–100 PeV

    未解决约 4 年
  7. Surface tension of the quark-matter/vacuum interface and the fragmentation of strange-star surfaces into strangelet crusts

    未解决约 21 年
  8. Cosmic-ray strangelets from HESS J1731-347: theory of 2SC–CFL strangelet production, multi-TeV Monte Carlo detectability, and gamma-ray line constraints with the Cherenkov Telescope Array

    未解决约 1 年
宇宙学的黄金时代4 个问题
  1. Origin of the DAMA/LIBRA annual-modulation signal: identify the dark-matter scenario, or the systematic effect, responsible for the long-standing NaI(Tl) modulation

    未解决约 28 年
  2. Identifying the inflationary realization: primordial tensor confirmation, the fourth Hubble-flow function, and the reheating kinematics (ln⁡Rreh\ln R_{\mathrm{reh}})

    未解决约 16 年
  3. Coherent quantum geometry origin of the cosmological constant: nonperturbative computation of the QCD causal-diamond correlator and the identification Λ=3⟨ω2⟩\Lambda=3\langle\omega^2\rangle

    未解决约 6 年
  4. Root cause of the distance-ladder versus sound-horizon-free H0 discrepancy: coherent systematic, late-time departure from ΛCDM, or hybrid

    未解决约 2 年
宇宙学起源的引力波研究5 个问题
  1. Primordial gravitational-wave signatures of the NEC-violating DHOST bounce and validation of its analytic tensor-transfer results

    未解决约 5 年
  2. Robust prediction of the cosmic-string stochastic gravitational-wave background: loop-distribution and metastable-decay model dependence in the mapping from string tension to Ω_GW(f)

    未解决约 37 年
  3. Mapping the chiral-invariant-mass dependence of gravitational-wave spectra from first-order QCD phase transitions in the parity doublet model and breaking the order-parameter degeneracy

    未解决不足 1 年
  4. First-principles gravitational-wave spectrum of a hot plasma at intermediate momenta between the hydrodynamic and particle regimes

    未解决约 11 年
  5. Identifying the physical origin of the nanohertz stochastic gravitational-wave background in pulsar timing arrays

    未解决约 6 年
宇宙早期的QCD相变过程6 个问题
  1. Cosmological viability of the high-baryon-density first-order QCD phase transition: color-superconducting and magnetic-field corrections, primordial quark nugget survival, and nanohertz gravitational waves

    未解决约 1 年
  2. Percent-level imprint of the cosmic QCD transition on the primordial gravitational-wave spectrum: from lattice-QCD thermodynamics to uncertainty-controlled predictions of ΩGW(f)\Omega_{\rm GW}(f)

    未解决约 7 年
  3. First-order pion condensation at the QCD epoch: tricritical behavior at high isospin chemical potential and the primordial gravitational-wave imprint

    未解决约 1 年
  4. Order of the QCD transition at large baryochemical potential and metastable supercooling of the early universe

    未解决约 51 年
  5. Six-light-flavor first-order QCD confinement transition and its primordial-black-hole yield for the LIGO/Virgo mass scale

    未解决约 7 年
  6. Gravitational waves from turbulence at the cosmological QCD crossover: multi-dimensional dynamics, viscosity, and initial conditions

    未解决约 13 年
宇宙中的中微子7 个问题
  1. Disentangling neutrino nonradiative decay from astrophysical and flavor-physics uncertainties in the diffuse supernova neutrino background

    未解决约 23 年
  2. Making tritium-capture detection of the cosmic neutrino background decisive: breaking the rate-degeneracy mechanisms

    未解决约 12 年
  3. Cosmological determination of the absolute neutrino mass scale and the mass ordering

    未解决约 54 年
  4. Physical identification of the diffuse astrophysical neutrino flux: which source populations (especially the gamma-opaque component below ~100 TeV), spectral form, and prompt atmospheric background produce the IceCube all-flavor sky

    未解决约 12 年
  5. Local number density and momentum distribution of the cosmic neutrino background at the Solar System

    未解决约 23 年
  6. Radiative decay of the cosmic neutrino background: detecting or constraining it through the cosmic infrared background spectrum

    未解决约 27 年
  7. Origins of the high-energy astrophysical neutrino flux and the behavior of the spectrum above 1 PeV

    未解决约 12 年
原子分子内部关联动力学实验观测2 个问题
  1. Experimental realization of the double-attosecond-pulse measurement of the electron-electron correlation time in helium double ionization

    未解决约 19 年
  2. Quantitative many-body theory of doubly-excited-state-mediated nonsequential above-threshold double ionization in strontium

    未解决不足 1 年
原子核的滴线和核素新版图4 个问题
  1. Rigorous uncertainty quantification for ab initio predictions of the limits of nuclear existence

    未解决约 7 年
  2. Growth of the Coulomb-induced enhancement of nuclear deformation and outward shift of the neutron drip line in heavy nuclei (Z > 60)

    未解决约 1 年
  3. Location of the neutron drip line in the calcium isotope chain

    未解决约 14 年
  4. Principled quantified extrapolation of the nuclear landscape to the particle drip lines

    未解决约 6 年
原子核的集团结构和集团放射性5 个问题
  1. Microscopic determination of the cluster preformation probability and surface-polarization parameter for exotic cluster radioactivity in trans-lead nuclei

    未解决约 3 年
  2. Thermal dissolution of cluster structures in finite nuclei: collective degrees of freedom and quantum fluctuations

    未解决约 4 年
  3. Four-particle correlator test of alpha-cluster formation and of the mean-field clustering criteria in nuclei

    未解决约 3 年
  4. Microscopic foundation of the cluster preformation probability in trans-lead cluster radioactivity: absolute magnitude, Ac≥28A_c\geq28 scaling, and the origin of the NpNnN_pN_n/NpNnIN_pN_nI linearity

    未解决约 37 年
  5. Cluster emission from neutron-rich heavy nuclei: reliable decay rates and their impact on r-process nucleosynthesis

    未解决不足 1 年
原子核的晕现象2 个问题
  1. Locating the sodium neutron dripline and validating the deformed-halo structure of 39^{39}Na: shape-decoupling observables, three-body dynamics, and finite-range pairing in the DRHBc framework

    未解决约 3 年
  2. Unsettled structure of the dripline two-neutron halo nuclei: binding energies, orbital content, and radii of 22C and 19B, with extension to the heaviest case 29F

    未解决约 5 年
原子核三体模型4 个问题
  1. Consistent determination of chiral three-nucleon-force contact strengths: complete N3LO dynamics, simultaneous continuum and bound-state constraints, and consequences for nuclear structure

    未解决约 15 年
  2. Existence and Efimov character of the predicted shallow 1/2−1/2^- excited state of 23^{23}N in the 21^{21}N+nn+nn three-body system

    未解决约 11 年
  3. Uncertainty-quantified embedding of the three-body 22C{}^{22}\mathrm{C} model into reaction theory: direct comparison with measured interaction cross sections and the conflicting matter-radius extractions

    未解决不足 1 年
  4. Two-proton halo nuclei as three-body systems in halo effective field theory: existence and spectrum of an effective three-body bound state under Coulomb repulsion

    未解决约 11 年
原子核是否存在手性7 个问题
  1. Unambiguous identification and characterization of chiral doublet bands in triaxial nuclei: distinguishing static chirality, chiral vibration, and non-chiral alternatives

    未解决约 20 年
  2. Nuclear chirality in 134^{134}Pr: surviving chiral geometry and the decisive observables for chiral-band assignments

    未解决约 29 年
  3. Robustness of nuclear chirality: why near-perfect chiral degeneracy in 194^{194}Tl is rare and how lifetime data can establish it elsewhere

    未解决约 10 年
  4. From dynamic to static nuclear chirality: the microscopic conditions for genuine spontaneous breaking of handedness in triaxial nuclei

    未解决约 29 年
  5. Establishing nuclear chirality: chiral-basis selection rules, multiple chiral doublets, and the unobserved textbook chiral doublet band

    未解决约 29 年
  6. Reliable identification of chiral doublet bands in real nuclei: disentangling the chirality fingerprints and establishing model-independent criteria

    未解决约 16 年
  7. Microscopic description of chirality onset across the cesium isotope chain and the boundaries of the A≈130 chiral island: pairing, chiral dynamics, and edge cases at 119Cs, 133Cs, and 134Cs

    未解决约 3 年
原子核形状相变的微观机制4 个问题
  1. Completing the validation and microscopic foundation of the empirical signatures for shape coexistence and shape/phase transitions in even-even nuclei

    未解决约 3 年
  2. Microscopic origin of the first-order shape/phase transitions at N = 40, 60, and 90 and the quantitative link between self-consistent and collective-model potentials

    未解决约 2 年
  3. Robustness of microscopically inferred nuclear shape-phase-transition boundaries under complete beyond-mean-field treatment

    未解决约 10 年
  4. Controlled many-body truncation in the ab initio IM-GCM description of shape coexistence and the N=20N=20 island of inversion: multireference three-body correlations and cranked configurations

    未解决约 1 年
原子核中相对论对称性——自旋及赝自旋对称性的物理起源5 个问题
  1. Quantitative link between the in-medium scalar-vector balance and pseudospin symmetry restoration in relativistic nuclear functionals

    未解决约 7 年
  2. Regularized pseudo-spin-orbit splitting measure and validity of the constant-Σ approximation for pseudospin symmetry in bound and resonant nuclear states

    未解决约 2 年
  3. Higher-order similarity-renormalization-group and effective-mass corrections to pseudospin symmetry breaking, and the origin of its better conservation than spin symmetry in nuclei

    未解决约 13 年
  4. Quantitative mechanism of pseudospin-symmetry breaking and accidental restoration in relativistic mean-field nuclei: second-order systematics and predictions for neutron-skin and bubble nuclei

    未解决约 1 年
  5. Criteria for the origin and quality of pseudospin symmetry in nuclear Dirac mean fields

    未解决约 14 年

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