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    Disciplines / Research questions

    物理学

    691 个研究主题 · 2739 个问题

    超冷原子芯片4 个问题

    1. Coherent Y-junction splitting and fragmentation suppression for a guided atom interferometer on a superconducting atom chip

      未解决约 18 年

    2. Continuous quantum degeneracy in a continuously pumped, light-shielded magnetic reservoir of ultracold atoms

      未解决约 11 年

    3. Coherent two-photon microwave transfer and microwave-induced Fano-Feshbach resonances for ultracold sodium on a strong-microwave atom chip

      未解决约 16 年

    4. Origin of the excess phase noise on Ramsey recurrences in a Bose–Einstein condensate interferometer with state-dependent microwave potentials on an atom chip

      未解决约 17 年
    超声分子成像的高敏锐度检测技术3 个问题

    1. In vivo pharmacokinetics, safety, and generalizability of tetrazine-TCO pretargeted microbubble capture for acute-thrombus ultrasound molecular imaging

      未解决约 9 年

    2. Translating VEGFR2-targeted ultrasound molecular imaging from a transgenic mouse model to early breast cancer detection in women

      未解决约 13 年

    3. Physical Mechanisms of Acoustic Radiation Force–Enhanced Signal Decorrelation of Adherent Targeted Microbubbles and Quantitative Validation of Decorrelation-Weighted Pulse Inversion Contrast Imaging

      未解决约 9 年
    超声能量作用机理及声化学2 个问题

    1. Mechanism of sonoluminescence from highly asymmetric toroidal cavitation-bubble collapse near solid surfaces

      未解决不足 1 年

    2. Do bulk nanobubbles in water spontaneously generate reactive oxygen species?

      未解决约 19 年
    超声振动对接触界面摩擦特性的影响5 个问题

    1. Quantitative theory of ultrasonic friction-torque reduction in the slow-motion regime: a slowly rotating adhesive micro-contact on an ultrasonically vibrated surface

      未解决约 12 年

    2. Quantitative characterization of surface-acoustic-wave-induced friction suppression in microscopic contacts

      未解决约 26 年

    3. Extending the analytical elastoplastic contact model of longitudinal-vibration friction reduction to real engineering surfaces (asperity interactions, measured height distributions, high-load accuracy, and experimental validation)

      未解决约 6 年

    4. Rough-surface contact mechanics and predictive torque capability for a toothless MEMS traveling-wave ultrasonic micromotor

      未解决约 6 年

    5. Ultrasonic weakening of static friction at amorphous interfaces: microslip versus adhesion mechanisms, effective-temperature constitutive account, and transfer to granular media

      未解决约 13 年
    超声制备纳米材料的声空化机理4 个问题

    1. Mechanism, ambient stability, and functional integration of sonochemically synthesized hydrogenated amorphous silicon nanoparticles from liquid trisilane

      未解决约 9 年

    2. Quantitative mechanism of ultrasonic cavitation-induced deagglomeration: partitioning shock-wave, bubble-cluster-oscillation, streaming, and ultrasonic-capillary contributions

      未解决约 4 年

    3. Acoustic-cavitation-resolving model of ultrasound-intensified reactive mixing in the swirling vortex flow reactor

      未解决约 3 年

    4. Quantitative mechanism, phase-purity window, generality, and scale-up of the ultrasonic-assisted ambient synthesis of surfactant-free colloidal Mn3O4 nanoparticles

      未解决约 20 年
    超弦理论的基本表叙和有限性10 个问题

    1. Cubic NSNS self-interactions, field redefinitions, and fermionic sectors of the two-field type II superstring field theory

      未解决约 1 年

    2. The on-shell value of the closed string field theory action and its boundary/tadpole completion in noncompact backgrounds

      未解决约 22 年

    3. Completing the linear-dilaton regularization of light-cone gauge superstring amplitudes: extension to heterotic and type I strings, and infrared divergences of the critical limit

      未解决约 7 年

    4. Background independence of closed string field theory beyond marginally connected backgrounds

      未解决约 33 年

    5. Field-redefinition uniqueness and background independence of open-closed superstring field theory

      未解决约 7 年

    6. Rigorous, assumption-free equivalence of the two contour prescriptions in superstring perturbation theory (low spacetime dimensions, stub-free intermediate-state sums, and controlled integral interchanges)

      未解决约 9 年

    7. Completing the linear-dilaton regularization of light-cone gauge superstring field theory: heterotic and Type I amplitudes, and a nonperturbative definition

      未解决约 10 年

    8. Infrared-finite inclusive observables and perturbative unitarity of superstring field theory in four or fewer non-compact dimensions

      未解决约 10 年

    9. Supermoduli-space foundations of closed superstring field theory: the single-cover and canonical picture-changing-insertion problem

      未解决约 12 年

    10. Global background independence of superstring field theory: a formulation valid beyond closely related backgrounds

      未解决约 33 年
    超弦理论的景观图像10 个问题

    1. Controlled realization of maximal-vacuum-energy selection of the weak scale in a UV-complete landscape

      未解决约 7 年

    2. Swampland volume-growth and field-range bounds beyond supersymmetry: deciding the field-excursion-bound vacuum-counting argument

      未解决不足 1 年

    3. Kähler-modulus completion of the universal class of type-IIB flux vacua with analytic mass spectrum: full stabilization within the Large Volume Scenario and stability of the complex-structure sector

      未解决约 5 年

    4. Structure of the exact W=0W=0 flux-vacuum landscape: genericity of level reduction, the Hodge tensor-symmetry correspondence, and point-like vacua

      未解决约 2 年

    5. Uplift-mechanism dependence of the joint statistics of SUSY breaking and the cosmological constant in the string flux landscape

      未解决约 3 年

    6. Does the elliptic Calabi–Yau fourfold Mmax⁡\mathcal{M}_{\max} dominate the F-theory flux-vacuum landscape?

      未解决约 10 年

    7. Compatibility of the integrated Gibbons-Maldacena-Nunez constraint with the four-dimensional trace constraint in brane-uplifted de Sitter vacua of type IIB string theory

      未解决约 10 年

    8. Exploiting and diagnosing sampler-induced structure in the flux landscape at large number of moduli: permutation-aware sampling, the intermediate regime, and the separation of algorithmic bias from landscape structure

      未解决约 3 年

    9. Growth, complexity, and dimensionality of the type IIB/F-theory flux-vacuum locus: the Grimm–Monnee counting conjectures

      未解决约 2 年

    10. The geometric factor in flux-vacuum counting: does moduli-space Euler-density suppression generically overcome flux-ball growth across the Calabi-Yau landscape?

      未解决约 7 年
    超新星的爆发机制3 个问题

    1. Robustness of the progenitor-structure-to-explosion-outcome mapping in calibrated parametrized spherically symmetric core-collapse supernova models (PUSH): calibration transferability, multi-dimensional validation, fallback, rotation, and progenitor uncertainties

      未解决约 8 年

    2. Pulsational delayed detonation of a bound white dwarf after a failed surface detonation: viability and observational outcome of the channel for Type Ia supernovae

      未解决约 32 年

    3. Quantitative multi-dimensional explosion threshold and predictive explosion criterion for neutrino-driven core-collapse supernovae

      未解决约 12 年
    超新星遗迹是宇宙线的起源吗？1 个问题

    1. Can supernova-remnant shock acceleration act as a hadronic PeVatron and produce the sharp knee of the cosmic-ray spectrum at 3 PeV?

      未解决约 43 年
    超越LDA的第一原理计算方法5 个问题

    1. Making density-corrected DFT trustworthy: predicting when HF-DFT improves results for the right reason, and co-designing functionals with better densities

      未解决约 3 年

    2. Feasible fully screened exchange and the universal reliability of beyond-RPA corrections to the random-phase-approximation correlation functional

      未解决约 19 年

    3. Open development frontiers of the Variational Discrete Action Theory: scalable discrete-action evaluation, unitary sequential product density matrices, a practical DFT+VDAT workflow, and off-shell energy-functional parameterization

      未解决约 5 年

    4. Long-Range Charge-Fluctuation (RPA) Correlation and Size-Extensive Multireference Increments in the Wave-Function Treatment of Bulk Metals

      未解决约 12 年

    5. Surpassing the range-separated hybrid meta-GGA performance ceiling: genuinely nonlocal exchange-correlation functionals for molecular chemistry

      未解决不足 1 年
    磁化/粒子数扇区4 个问题

    1. Constructive eigenfunction mapping for the one-dimensional charge-pair Hubbard model and the origin of odd-lattice-size level crossings in the Hubbard chain

      未解决约 6 年

    2. Convergence of the Bethe-root series solution of the Heisenberg and XXZ spin chains in a magnetic field

      未解决约 7 年

    3. Ordering of magnetization-sector lowest energies and continuity of the lowest-energy branch at commensurate magnetization in one-dimensional U(1)-symmetric spin chains

      未解决约 11 年

    4. Magnetic structure of antiferromagnetic spin-1 Bose-Hubbard ground states beyond the minimal-total-spin theorem, with continuum contact-interaction and higher-spin extensions

    磁能释放的有效机制——磁重联4 个问题

    1. Conversion efficiency from flux expelled by a color-spin-locked quark-star phase transition to coherent radio emission

      未解决约 1 年

    2. Fast magnetic reconnection in the magnetorotational-supernova proto-neutron-star core: which mechanism operates, and is it fast enough to matter?

      未解决约 20 年

    3. Does magnetic reconnection limit MRI-driven field amplification in magnetorotational core-collapse supernovae? The unverified reconnection timescale in the proto-neutron-star regime

      未解决约 20 年

    4. Magnetospheric coupling and radiative efficiency of magnetic-flux expulsion from a color-spin-locked quark core: the uncomputed emission mechanism of the CSL fast-radio-burst scenario

      未解决约 1 年
    磁性异质结中的隧穿磁电阻的零点异常5 个问题

    1. Self-consistent nonequilibrium many-body theory of electron-magnon interaction in realistic three-dimensional magnetic tunnel junctions: reproducing the zero-bias anomaly, finite-bias TMR, and inelastic spin-transfer torque

      未解决约 12 年

    2. Microscopic foundation and experimental validation of the effective-circuit theory for the cusplike zero-bias anomaly in tunneling magnetoresistance

      未解决约 16 年

    3. Origin of the negative zero-bias anomaly and high-energy inelastic features in MgO tunnel junctions with magnetic and nonmagnetic electrodes

      未解决约 16 年

    4. Interfacial magnon excitation and temperature-stable tunnel magnetoresistance in Co2MnSi/MgO magnetic tunnel junctions

      未解决约 18 年

    5. Microscopic origin of the zero-bias anomaly and defect-mediated tunneling statistics in Al2O3-barrier magnetic tunnel junctions

      未解决约 19 年
    次大本征值与关联长度3 个问题

    1. Correlation length of the quantum transverse-field Ising model on the Bethe lattice: the bound μ≤1/(q−1)\mu \le 1/(q-1) and the conjectured sharp critical value ξc=1/ln⁡(q−1)\xi_c = 1/\ln(q-1)

      未解决约 18 年

    2. Symmetry-enforced minimal entanglement and minimal correlation length in integer spin-J chains beyond matrix product states

      未解决约 1 年

    3. Exact transfer-matrix spectrum and closed-form ground-state entropy of the Ising antiferromagnet on the Shastry–Sutherland lattice at α=1\alpha=1

      未解决约 45 年
    从Λ\Lambda超核能谱精细结构可以提取哪些新知识？2 个问题

    1. Quantifying the ΛNN–ΣNN three-body-force effects on the high-lying (³He–d)+Λ continuum states of ⁶_ΛLi within a self-consistent structure-plus-reaction framework

      未解决约 1 年

    2. Dynamical origin of spin-dependent charge-symmetry breaking in the ΛN interaction: the A = 4 mirror hypernuclei ⁴ΛH–⁴ΛHe

      未解决约 53 年
    从味对称性理解费米子质量等级和味混合7 个问题

    1. Dynamical origin of the dominant flavor-symmetric (democratic) quark Yukawa matrix and its compatibility with SO(10)/E6 grand unification

      未解决约 7 年

    2. Completing the disentanglement of fermion mass and flavor-mixing hierarchies: lepton-sector realization and phenomenological closure of the flavor-blind hierarchy framework

      未解决约 10 年

    3. Dynamical origin of the flat (democratic) SO(2)SO(2) flavor structure and its extension to Majorana neutrinos and non-normal orderings

      未解决约 3 年

    4. Completing the modular weighton mechanism for fermion mass hierarchies: weighton vacuum, Kähler and SUSY-breaking corrections, and cosmological viability

      未解决约 6 年

    5. A complete modular flavor model simultaneously preserving the up- and down-sector quark-lepton mass relations

      未解决约 2 年

    6. Complete classification of fermion mass hierarchies near the cusp τ=i∞\tau=\mathrm{i}\infty in modular flavor symmetry models

      未解决约 1 年

    7. Completing the TeV-scale flavor-deconstruction framework: classification, ultraviolet origin, and experimental testability of vector-like-fermion chains for the fermion mass hierarchy

      未解决不足 1 年
    代数 Bethe Ansatz（algebraic Bethe Ansatz）4 个问题

    1. Off-shell Bethe vectors beyond the classical Lie series: intrinsic meaning of the uniformizing parameters and extension to exceptional and quantum affine algebras

      未解决不足 1 年

    2. Completeness of the Bethe ansatz for the open XXZ spin chain with non-diagonal boundary terms

      未解决约 23 年

    3. Exact arithmetic of the spin-1/2 XXX Bethe equations: closed-form counting functions, the Pauli principle for Bethe roots, and unphysical singular solutions in the thermodynamic limit

      未解决约 13 年

    4. Completing the nested algebraic Bethe ansatz for rational spin chains with arbitrary simple g\mathfrak{g}-symmetry: the fusion conjecture, unwanted terms, and multi-excitation creation operators

      未解决约 2 年
    带对角相互作用的 hard-square 模型2 个问题

    1. Rigorous truncation-error foundations for corner transfer matrix computations of the hard-square lattice gas

    2. Exact solution of the two-dimensional hard-square lattice gas

    单个纳米结构的操纵与测量6 个问题

    1. Dynamical stability and quantitative Brownian-motion spectroscopy of an optically trapped nanoparticle in superfluid helium

      未解决约 5 年

    2. Quantitative mechanism and predictive design of single-beam three-dimensional optical trapping of plasmonic metal nanowires

      未解决约 13 年

    3. Quantum regime of two Coulomb-coupled nanospheres in a bichromatic optical tweezer: simultaneous ground-state cooling, coherent exchange, and individual addressing

      未解决约 2 年

    4. Quantitative limits of optical-force absorption spectroscopy and quantum-resonant sorting of single nanoparticles

      未解决约 5 年

    5. Microscopic origin and predictive force laws of electron-beam trapping of nanoparticles in liquid cells

      未解决约 13 年

    6. Unresolved metrology and mechanisms in four-point in situ electron-microscopy electromechanical characterization of freestanding metallic and semiconducting nanowires

      未解决约 12 年
    单体—二聚体问题的不可解边界1 个问题

    1. Bulk monomer correlations in the two-dimensional dimer model and the relation between its c=−2c = -2 and c=1c = 1 conformal descriptions

      未解决约 63 年
    单原子的光学精密操控9 个问题

    1. Quantum-limited, calibration-free superresolution microscopy of optical fields with a single tweezer-trapped atom

      未解决约 4 年

    2. Metasurface-lens optical tweezers for single neutral atoms: closing the efficiency, chromatic, and scaling gaps to objective-class performance

      未解决约 4 年

    3. Fault-tolerance analysis of single-atom addressing by standing-wave quenching in optical lattices

      未解决约 19 年

    4. Microscopic mechanism of the sharply bias-field-dependent single-atom lifetime in a circularly polarized metalens optical tweezer

      未解决约 1 年

    5. Single-atom trapping, deterministic detection, and control in 3D-printed fiber-lens optical tweezers

      未解决约 4 年

    6. Robustness of SLAP-based single-site addressing of ultracold atoms in optical lattices to spin decoherence, site defects, pump-node imperfections, and photon scattering

      未解决约 13 年

    7. Magnetically insensitive Raman sideband cooling of a single atom to the three-dimensional motional ground state of an optical tweezer

      未解决约 9 年

    8. Full three-dimensional motional ground-state cooling of single atoms in state-dependent optical tweezers via chirp cooling

      未解决约 3 年

    9. Sub-10−410^{-4} site-addressed single-qubit gates for neutral atoms in optical lattices: spontaneous-scattering and beam-misalignment limits

      未解决约 20 年
    蛋白质链是如何折叠成为天然结构的？10 个问题

    1. Is the folding energy landscape of the B-domain of staphylococcal protein A genuinely multiple-funnelled? Equilibrium weights, force-field robustness, and experimental detection of competing non-native funnels

      未解决约 18 年

    2. Electrostatic control of folding cooperativity in single-domain proteins: mechanism, generality, prediction, and engineering

      未解决约 16 年

    3. Robustness and physical basis of the global effect of point mutations on the site-specific stability and folding of the αtα helix-turn-helix motif

      未解决约 8 年

    4. Mechanistic rules of chaperone-assisted cotranslational folding: how ribosome proximity and trigger factor determine de novo folding pathways at peptide resolution

      未解决约 2 年

    5. General folding-location rules for cotranslational folding of protein domains at the ribosome exit tunnel

      未解决约 11 年

    6. Quantitative, residue-level mechanism of cotranslational protein folding on the ribosome: generality across folds, ribosome–nascent-chain interaction energetics, and chaperone modulation

      未解决约 18 年

    7. Unresolved folding-landscape features of the fast-folding λ-repressor variant λYA near the downhill limit: origin of the minor slow phase, transition-state ensemble composition, possible incipient-downhill subpopulation, and the kinetic prefactor

      未解决约 10 年

    8. Microscopic origin of folding barriers and many-body cooperativity in small single-domain proteins

      未解决约 20 年

    9. Mechanism of the structural-Zn(II)-induced switch from cooperative to partly downhill folding in prokaryotic zinc-finger domains: intermediate structure, metal-binding kinetics, determinants, and generality

      未解决约 13 年

    10. Generality of the foldon-based stepwise pathway model of protein folding

      未解决约 11 年
    等效原理——物理学的基本原理6 个问题

    1. Improved quantum test of the weak equivalence principle for atoms in coherent superposition of internal energy states

      未解决约 9 年

    2. Foundations and feasibility of torsion-balance tests of the weak equivalence principle for matter in quantum-superposition states

      未解决不足 1 年

    3. Reconciling finite-temperature equivalence-principle violations with the gravitationally coupled Dirac equation for particles and antiparticles

      未解决约 6 年

    4. Does the weak equivalence principle survive full deformed-special-relativity frameworks? Extending the modified-dispersion-relation analysis beyond the one-particle sector

      未解决约 1 年

    5. Tightening Weak Equivalence Principle limits on neutrinos versus photons from blazar timing: controlling intrinsic emission-time offsets and distance uncertainties

      未解决约 38 年

    6. Completing the peculiar-acceleration power-spectrum test of the weak equivalence principle on cosmological scales: sensitivity to realistic violations, relativistic modeling, and observational feasibility

      未解决约 1 年
    低密度相与高密度相4 个问题

    1. Phase transitions in the Aristoff–Radin lattice model of quasicrystals: rigorous existence, order, and the temperature–chemical-potential phase diagram

    2. Melting density and nature of the fluid-solid transition in the Bowen-Lyons-Radin-Winkler zipper-molecule hard-core model

    3. Hexatic order and two-step melting at large exclusion range in the triangular-lattice k-NN hard-core lattice gas, and the algorithms to reach it

    4. Order of the entropy-driven order-disorder (fluid-crystal) transition in non-sliding hard-core lattice gases

    低能离子生物效应是由直接作用引起的吗？7 个问题

    1. Cell-cycle-resolved quantification and validation of the direct-action contribution to mammalian cell killing by ionizing radiation (the DABBLE framework)

      未解决约 5 年

    2. Mechanism of very-low-energy ion-induced DNA damage and mutation: anomalous nitrogen-over-argon effectiveness and unquantified secondary-electron, UV, and X-ray channels

      未解决约 17 年

    3. DNA damage by low-energy ions: species and charge-state scaling, strand-break mechanisms, and hydrated and cellular relevance

      未解决约 17 年

    4. Causal mechanisms of low-energy ion beam mutagenesis in bacteria: quantifying direct energy deposition versus indirect radical chemistry and mechanistically explaining in vivo mutation spectra

      未解决约 19 年

    5. Mechanism of low-keV argon-ion-induced developmental delay in Caenorhabditis elegans larvae: attribution among reactive oxygen species, DNA-damage responses, and cuticle surface damage

      未解决约 15 年

    6. Causal agents, thresholds, and dose-response of mutation induction by plasma immersion low-energy-ion bombardment of naked DNA

      未解决约 16 年

    7. Quantitative mechanism of ultra-low-energy ion-induced DNA strand breaks: direct atomic collisions versus secondary processes

      未解决约 13 年
    低频声波的吸收和隔离问题4 个问题

    1. Nonlinear active electroacoustic impedance control beyond the cubic single-degree-of-freedom resonator: multi-degree-of-freedom absorbers and negative-effective-bulk-modulus nonlinear active acoustic metamaterials

      未解决约 7 年

    2. Predictive, as-manufactured modeling of the hybrid perforated-hemispherical-shell and membrane acoustic metamaterial: the unexplained 552 Hz absorption peak and the theory–experiment bandwidth discrepancy

      未解决约 2 年

    3. Unstudied high-frequency sound-insulation peaks of the labyrinth-type Helmholtz–thin-film compound acoustic metamaterial

      未解决约 1 年

    4. Exact simultaneous critical coupling of all resonances in a discrete Helmholtz-resonator array while retaining band-averaged absorption

      未解决约 6 年
    电（磁）流变液的稳定性5 个问题

    1. Stability–performance tradeoff in zeolite/silicone-oil electrorheological fluids: surfactant and acoustic-stirring stabilization versus retained ER yield stress and response time

      未解决约 13 年

    2. Molecular-scale verification of the binding mechanism between PAA-coated SPIONs and fatty-acid-coated carbonyl iron in bidisperse magnetorheological fluids

      未解决约 6 年

    3. Controlling Factors of Time Instability and the Sedimentation-Performance Trade-off in Ferrofluid-Based Three-Disperse Magnetorheological Fluids

      未解决约 5 年

    4. Long-term durability and lifetime design rules for gel-structured electrorheological materials in shear-mode damping devices

      未解决约 13 年

    5. Sedimentation–redispersibility trade-off in concentrated iron-based magnetorheological fluids: a predictive framework and rational additive design

      未解决约 20 年
    电脉冲引起的可逆电阻变化现象4 个问题

    1. Quantitative closure of the oxygen-diffusion model for electric-pulse-induced resistance (EPIR) switching in Pr0.7Ca0.3MnO3: direct oxygen-vacancy transport parameters and the mechanism of pulse-enhanced ionic mobility

      未解决约 20 年

    2. Physical origin of the mode-dependent reliability asymmetry between unipolar and bipolar resistive switching in Ag/ZnMn2O4/p+-Si devices

      未解决约 7 年

    3. Microscopic origin and spatial location of electric-pulse-induced resistance switching at a tungsten point contact on an individual ZnO nanotube

      未解决约 16 年

    4. Microscopic origin of the ferroelectric-buffer-enhanced electric-pulse-induced resistance (EPIR) switching in Pr0.7Ca0.3MnO3 films: ferroelectric field effect versus ionic redistribution

      未解决约 19 年
    电子与原子核散射4 个问题

    1. Constraining the shell-versus-α\alpha-cluster composition of the 12^{12}C and 16^{16}O ground states through density-profile-sensitive elastic scattering

      未解决约 3 年

    2. Validating and correcting the GENIE event generator's quasielastic nuclear models against (e,e'p) reduced cross sections and nuclear transparency

      未解决约 1 年

    3. Simultaneous microscopic description of charge radii and parity-violating asymmetries in 48^{48}Ca and 208^{208}Pb: resolving the CREX–PREX tension and the model dependence of neutron-skin extraction from parity-violating electron scattering

      未解决约 4 年

    4. Charge properties of deformed halo nuclei: deformed relativistic Hartree-Bogoliubov theory in continuum with intrinsic electromagnetic structure corrections

      未解决不足 1 年
    对称双二次关系的椭圆参数化2 个问题

    1. Degenerate biquadratic regimes for the string-equation Dirichlet problem: John-mapping periodicity, Poncelet dynamics, and the Pell-Abel correspondence

    2. Ladder operators, bispectral algebra, and degenerations of the biorthogonal rational functions on elliptic grids: completing the rational-function analogue of the Askey-Wilson framework

    对称性和对称破缺机制5 个问题

    1. Controlled manipulation of the two symmetry-broken phase states and a first-principles effective model of the driven-dissipative space-time crystal

      未解决约 5 年

    2. Fate of coherent-beam-driven spin symmetry breaking and entropy production in a spinor Bose-Einstein condensate beyond the fully decoherent limit

      未解决约 6 年

    3. Universality class of the continuous Q-QL transition: criticality-enabled U(1) symmetry breaking in 1D spin chains and 1+1D field theory

      未解决约 1 年

    4. Structure, topology, and differential surface tension of inhomogeneous chiral condensates in the chiral limit of QCD from constrained simulations

      未解决约 4 年

    5. Open problems for modulated-symmetry SPT chains: phase transitions, realistic realizations, and bundle-symmetry structure

      未解决约 2 年
    对角与非对角可积边界3 个问题

    1. Integrable boundary interactions of open SU(4) alternating spin chains: classification beyond the SU(2)×SU(2)-preserving class and higher-rank SU(N) extension

    2. Nested off-diagonal Bethe ansatz for the Dn(1)D_n^{(1)} (so(2n)so(2n)) spin chain with generic non-diagonal open boundaries

    3. Integrable non-factorizable boundaries in doubled-space quantum circuits: classification beyond spin-1/2 free fermions, replica couplings, Bethe-ansatz spectra, and Lindblad form

    对流暖云中的湍流起伏场究竟如何影响到大云滴的生成？10 个问题

    1. Gelation-time statistics of the sol–gel transition in turbulent droplet collision–coalescence and their link to warm-rain initiation

      未解决约 14 年

    2. Turbulence-modulated collisional growth of cloud droplets toward rain initiation: realistic collision efficiencies, growth-time fluctuations, and the atmospheric Reynolds-number extrapolation

      未解决约 70 年

    3. Do caustic-driven droplet voids and phase-change feedback operate at deep-convective-cloud Reynolds numbers (Rλ∼104R_\lambda \sim 10^4)?

      未解决约 4 年

    4. Turbulent collision-coalescence of cloud droplets: validated parameterizations of the geometric kernel, collision efficiency, Reynolds-number extrapolation, and stochastic-coalescence moment closures for cloud-scale models

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