Disciplines / Research questions
物理学
691 个研究主题 · 2739 个问题
平均场 Ising 模型3 个问题
Complexity of metastable states and the magnetization-driven response of the short-range random-field Ising model: does the mean-field picture survive?
未解决约 17 年Extending the nonequilibrium Landau theory of the transition to spontaneous oscillations in the kinetic mean-field spin-field model beyond the perturbative near-critical regime
未解决约 3 年Phase transitions in the conditional Curie–Weiss model with random committed proportions: quenched and annealed analysis, non-centered induced random fields, and Ising models on three-colour-decorated graphs
未解决约 10 年
平均场临界状态方程2 个问题
Asymptotic status of complete-scaling field mixing in asymmetric fluid criticality: renormalization of the coefficients and and the fate of the fifth-order Landau term
未解决约 20 年Closed resummed critical-to-classical crossover functions along the critical isotherm of simple fluids, multi-confluent resummation, and the unobserved Gaussian-to-Wilson-Fisher crossover
未解决约 9 年
平移、反射和自旋反演对称性2 个问题
谱参数(spectral parameter)3 个问题
Completing the integrability theory of the classified integrable Weingarten surfaces: soliton attributes, explicit solutions, the geometric meaning of the spectral parameter, and focal-surface integrability
未解决约 16 年Bethe ansatz equations for principal series modules of the trigonometric Cherednik algebra at critical level: classification of solutions
未解决约 18 年Inverse problem for the classical spectral curve of the -superstring
奇异 Bethe 解2 个问题
Complete classification of physical singular solutions of the Bethe ansatz equations for the periodic spin-1/2 XXX chain
未解决约 13 年Classification and counting of physical singular solutions of the spin-1/2 XXX Bethe equations, and the physical significance of their finite-epsilon energy corrections
未解决约 13 年
嵌套 Bethe Ansatz(nested Bethe Ansatz)3 个问题
Asymptotic inversion, quasi-locality, and the string-charge relations for the fused transfer-matrix hierarchy of nested Bethe-ansatz models
未解决约 6 年Exact solution of the (so) spin chain with generic non-diagonal open boundaries for arbitrary rank
未解决约 6 年Extending the nested LeClair-Mussardo expansion to string solutions, finite-temperature and dynamical correlation functions, and the gl(3) two-component Bose gas
未解决约 5 年
腔QED量子计算4 个问题
Near-resonant fast-gate regime of the cavity-mediated long-range Rydberg quantum gate: photon-number sensitivity, decoherence budget, and cavity-quality requirements
未解决约 10 年Loop-count versus gate-time trade-off and robustness margins for the dispersive geometric quantum phase gate with Lambda-type atoms in cavity QED
未解决约 11 年Scalability of pre-scheduled flying-Rydberg-atom cluster-state generation in thermal microwave cavities
未解决约 19 年Fault-tolerant scalability of the superconducting two-dimensional cavity grid: full error budget and threshold validation
未解决约 19 年
强电声子相互作用体系的小极化子7 个问题
Open problems for the coherent-state ansatz of the Holstein polaron: smooth crossover, delocalized phonons at large momentum, and extensions to bipolarons and non-Bravais lattices
未解决不足 1 年Adiabatic–nonadiabatic crossover of small-polaron hopping in the one-dimensional Holstein model
未解决约 18 年Nonperturbative many-body calculations of polarons in real materials from first principles: the strong-coupling small-polaron regime
未解决约 7 年Localization regimes of the one-dimensional disordered Holstein model beyond the adiabatic large-polaron window
未解决约 12 年Adiabatic-regime ground-state structure of the two-dimensional Rashba–Holstein polaron
未解决约 16 年Ground-state energy of the one-dimensional continuum Holstein polaron: exact-method verification of the translation-invariant strong-coupling estimate
未解决约 12 年Microscopic origin of the coupling and phonon-frequency scalings in the next-nearest-neighbour Holstein model, and the fate of the single-polaron mass divergence
未解决约 10 年
强子作用朝前区的多粒子产生3 个问题
Hadronic interaction model revisions required by very-forward LHC energy measurements and the air-shower muon deficit
未解决约 11 年The Muon Puzzle: identifying the hadronic-interaction origin of the energy-dependent muon deficit in simulated air showers above 10 PeV
未解决约 7 年Production mechanisms of very-forward neutrons in TeV proton-proton collisions: the unexplained spectrum and the LHCf-ATLAS combined analysis
未解决约 11 年
轻元素材料的优异性质及其潜在的光电子学应用5 个问题
Quantitative prediction and realizability of modulation doping in diamond via an embedded cubic boron nitride insert
未解决约 2 年Atomic-scale structure and composition–processing phase map of the hexagonally ordered boron carbon nitride phase formed by low-temperature vapor deposition from melamine–boric acid precursors
未解决约 5 年Quantitative carrier-injection parameters and stacking-fault structure in graphene/hBN/graphene deep-ultraviolet tunneling emitters
未解决约 4 年Pressure-dependent point-defect thermodynamics and dopant compensation in cubic boron nitride
未解决约 15 年Efficiency droop and the ultimate limits of radiative efficiency in high-quantum-efficiency epitaxial hexagonal boron nitride far-UV-C emitters
未解决约 3 年
轻子味混合与CP破坏7 个问题
Origin of the observed lepton flavor mixing pattern after the Daya Bay measurement: flavor-symmetry derivation of the MNSP matrix , its – breaking and CP violation, and the unresolved -octant, , unitarity, and Majorana-phase discriminants
未解决约 14 年Robustness and scope of the correlation between leptonic CP violation and the sign of the baryon asymmetry in the trimaximal minimal seesaw model
未解决约 8 年Decisive unitarity test of the 3×3 lepton (PMNS) mixing matrix via its six leptonic unitarity triangles, and the associated determination of leptonic CP violation
未解决约 24 年Genuine leptonic CP violation or non-standard neutrino interactions: disentangling the hint in long-baseline oscillation data
未解决约 10 年Completing the non-unitarity forecast for leptonic CP sensitivity at T2HK/T2HKK and DUNE: tau-neutrino and neutral-current channels, realistic near-detector systematics, and sterile-model dependence
未解决约 1 年Robustness and experimental validation of the genuine/matter-induced separation of the neutrino CP-violation asymmetry: the magic-energy zero beyond constant matter and idealized detection
未解决约 8 年Untested regimes of Dirac-phase-only CP violation in the low-scale type-I seesaw: large heavy-neutrino mass splittings in neutrinoless double-beta decay, flavour-dependent BBN limits, CP2/CP3 charged-lepton-flavour violation, degeneracy lifting, and ultraviolet completions
未解决不足 1 年
囚禁离子光频标2 个问题
球形模型(spherical model)2 个问题
球形模型的临界维数3 个问题
Critical dimensions of the model with spatiotemporally correlated noise in the strongly anticorrelated regime
未解决约 3 年Genericity of the absence of multiplicative logarithmic corrections in two-time ageing scaling at the upper critical dimension
未解决约 18 年Empirical validation of long-range order and hyperuniformity induced by inhomogeneous periodic driving in low-dimensional classical systems
球形模型临界指数3 个问题
Pseudodemagnetization in exactly soluble multicomponent spherical models: constructing a tractable mixture model with divergent critical susceptibilities
未解决约 17 年Open phase-diagram questions in the spin-anisotropic quantum spherical model: the regime and a possible oscillating ordered sub-phase
未解决约 11 年Direct evaluation of the dynamical critical exponent from ordered-phase imaginary-time correlations in the dissipative quantum spherical model
未解决约 10 年
球形约束与鞍点方程4 个问题
Breakpoint selection and the gapped-versus-gapless spectrum of the infinite-range spherical quantum p-rotor spin glass in a field
未解决约 3 年Extension of the rigorous TAP variational principle beyond the constrained-overlap spherical 2-spin (vector) Sherrington–Kirkpatrick model
未解决约 3 年Stability, ultrametricity, and TAP verification of the multilevel constrained-replica cluster counting in the spherical p-spin glass
未解决约 11 年Exact asymptotics for spherical Sherrington-Kirkpatrick energy dynamics and extreme-eigenvector hitting times beyond the quadratic constraint, i.i.d. initialization, and logarithmic slack
未解决约 2 年
球状闪电的等离子体物理模型10 个问题
Stability and lifetime of ball lightning: explaining seconds-long, free-floating luminous objects in the open atmosphere
未解决约 188 年The formation mechanism of natural ball lightning: how lightning and corona activity produce a localized, long-lived luminous ball
未解决约 63 年Dynamical formation, loss-limited lifetimes, and relativistically refined currents in the electron-ion model of ball and bead lightning
未解决约 1 年Experimental verification of the relativistic-microwave theory of ball lightning: field detection of GHz microwave bursts and relativistic electrons, and laboratory creation of the trapped-radiation bubble
未解决约 11 年Irradiation-induced plasma hyperconductivity at vacuum–plasma boundaries: experimental test, parameter thresholds, and kinetic-theory basis
未解决约 8 年Mechanisms and optimal conditions controlling the lifetime and luminosity of confined plasma balls generated along laboratory discharge channels
未解决约 6 年Open questions in the charged burning-particle/plasma-ball theory of ball lightning: particle charging, in-ball combustion, and termination
未解决约 8 年How Trichel-pulse-structured free electrons convert a lightning electromagnetic pulse into ball lightning: the antenna mechanism and its laboratory test
未解决约 3 年A self-consistent metastable singlet-delta-oxygen model of ball lightning: dynamic growth from corona, energy balance, emission spectrum, and steady-state lifetime
未解决约 5 年Physical mechanism of long-lived plasmoids from the Gatchina discharge and their status as laboratory analogs of natural ball lightning
未解决约 24 年
缺陷支配氮化铟的基本性质吗?3 个问题
Which defect complexes control doping and compensation in wurtzite InN: beyond-LDA energetics, formation under real growth conditions, and experimental identification of impurity–vacancy and dopant-cluster complexes
未解决约 17 年Microscopic mechanism, identity, and electrical role of the mobile nitrogen-rich defect in plasma-grown indium nitride
未解决约 14 年Nitrogen-vacancy clustering in InN and the microscopic origin of its metallic indium inclusions
未解决约 18 年
燃料电池中多相多组分传输过程的模拟3 个问题
Non-isothermal, phase-change-coupled pore-network modeling of the cathode gas diffusion layer in PEM fuel cells: simultaneous liquid-vapor transport, gas-channel droplet coupling, and morphology and operating-envelope maps
未解决约 5 年Capillary-pressure dependence on sliding angle (surface dynamic wettability) in porous catalyst-layer and gas-diffusion media of PEM fuel cells
未解决约 16 年Extending the pseudo-phase-equilibrium cathode GDL model to a physically grounded, non-isothermal, membrane-coupled full-cell PEMFC water-management model
未解决约 13 年
燃料电池中与电化学反应耦合的热传输问题6 个问题
Experimental determination of the unmeasured thermal inputs for dynamic heat-transfer prediction in PEM fuel cells: side-reaction heat, interfacial thermal conductivity between porous layers, and product-water phase state
未解决约 5 年Coupled prediction and experimental validation of ice formation from accumulated liquid water during sustained sub-cooled PEMFC operation
未解决约 15 年Thermal management of an actual 1-kW planar solid oxide fuel cell stack under hydrocarbon fueling and dynamic operation: reforming reaction heat, load and start-up/shut-down transients, and design control of thermal stress
未解决约 6 年Suppressing coupling-induced thermal stresses in solid oxide fuel cells: cell redesign, operating strategy, and generality of the coupled electrochemical–thermal–mechanical behavior
未解决约 7 年Fully coupled three-dimensional non-isothermal pore-scale modeling of liquid water evolution in the PEMFC cathode
未解决约 5 年Coupling carbon-deposition chemistry to thermo-electrochemical models of methanol-fuelled solid oxide fuel cells
未解决约 5 年
热电材料机理和实用化问题9 个问题
Closing the measured–simulated conversion-efficiency gap in segmented thermoelectric modules based on boron-dispersed GeTe composites
未解决约 2 年First-principles phonon lifetimes and rattling-mode suppression of the lattice thermal conductivity in thermoelectric sodium cobaltate NaCoO
未解决约 13 年Closing the device-level efficiency shortfall and standardizing performance metrology for bismuth telluride thermoelectric generator modules
未解决约 6 年Excess suppression of phonon thermal conductivity by free carriers in silicon at high carrier densities: plasmon–phonon damping, defect spectral weight, and non-equilibrium transient modeling
未解决约 5 年Determining the Lorenz number for thermoelectric figure-of-merit assessment when the Wiedemann–Franz law fails
未解决约 11 年Extending the operating envelope and reliability of tellurium-free CdSb/Mg3(Bi,Sb)2 thermoelectric modules for low-grade waste heat recovery
未解决约 4 年Does low-dimensional (pipe-like) Fermi-surface topology raise the net thermoelectric figure of merit of real bulk compounds under realistic scattering and thermal conductivity?
未解决约 13 年Stress control and chemical generality of disorder-driven liquid-like thermal conduction in intercalated layered crystalline solids
未解决约 8 年Inherent figure of merit of thermoelectric composites and under-load figure-of-merit limits of segmented thermoelectric legs
未解决约 20 年
热力学根密度3 个问题
Thermodynamic limit and scaling dimensions of the massless phase of the genus-five three-state vertex-model spin-one chain
未解决约 9 年Rigorous thermodynamic limit for the spectral equations of the modular sinh-Gordon model: the ground-state density equation
未解决约 3 年Completing the thermodynamic Bethe Ansatz and generalised hydrodynamics of the folded spin-1/2 XXZ model: full quasilocal charge set, configuration-space entropy, and Euler-scale closure
未解决约 5 年
热流科学中多尺度多物理场过程的数值模拟8 个问题
Rigorous computability theory for turbulent-flow outputs: dual stability factors and guaranteed-accuracy error control at high Reynolds number
未解决约 22 年A posteriori Assessment of the flamelet regime diagram for non-premixed turbulent combustion LES: self-consistency under a flamelet closure and explicit-versus-implicit filtering effects on the regime parameter
未解决约 8 年Open core of the 2008 Pitsch-Desjardins-Balarac-Ihme LES outlook: quantitative NO-emission prediction in engine-relevant spray combustors, supported by resolution studies and sub-filter modeling of primary atomization
未解决约 18 年Generalization and embedded invariance in data-driven subgrid-scale stress closures for large-eddy simulation
未解决约 7 年Weak uniqueness of outputs and dual-problem stability for certified computation of turbulent incompressible Navier–Stokes flow
未解决约 21 年Reaction-modified turbulent diffusion beyond the constant-density, single-step regime: variable-density coupling, multi-step chemistry, and a predictive turbulent chemical time scale
未解决约 8 年Predictive, model-agnostic turbulence-chemistry interaction modeling of MILD jet-in-hot-coflow flames: quantitative prediction of mean and radical (CO, OH) fields
未解决约 11 年Closure of the exact conditioned-moment and probability-density-function transport equations in the Sabelnikov–Lipatnikov framework for the thin-reaction-zone regime at low Damköhler number
未解决约 6 年
热声系统中的声传播问题4 个问题
A general predictive law for acoustic pressure losses in woven-screen regenerator matrices
未解决约 12 年Open problems in the marginal-stability theory of thermoacoustic oscillations in closed and looped tubes with pore stacks
未解决约 7 年Micro-scale thermoacoustic energy conversion beyond the slip-flow regime: a transition-flow (Knudsen number above 0.1) theory of stack onset and heat pumping
未解决约 10 年Nonlinear regime, realistic efficiency, and experimental realization of traveling-wave solid-state thermoacoustic engines
未解决约 8 年
人类能在近期登上超重岛吗?2 个问题
Can multinucleon transfer in low-energy damped heavy-ion collisions produce neutron-rich superheavy nuclei near the island of stability with yields sufficient for practical synthesis?
未解决约 19 年Locating the next spherical proton shell closure beyond Z = 82 and the synthesis of superheavy elements 119 and 120
未解决约 59 年
人类听觉系统识别声音的物理机理及其定量表达7 个问题
Nonlinear, Coupled, and Quantitatively Validated Development of the Parametric Electromechanical-Transistor Model of the Cochlear Amplifier
未解决约 13 年Establishing the coding limits of the human cochlea: the comparative and anatomical basis of sharp human frequency tuning, and the upper frequency limit of auditory-nerve phase locking in humans
未解决约 7 年Is sub-millisecond phase-locked auditory-nerve spike timing necessary for human hearing behavior?
未解决约 30 年Mechanism of attentional modulation of speech-evoked distortion product otoacoustic emissions in the human cochlea
未解决约 34 年Physical and molecular basis of fast and slow mechanotransduction adaptation in mammalian cochlear hair cells
未解决约 12 年Can Ca2+-driven fast adaptation of cooperative mechanotransduction channels engender Hopf-bifurcation amplification in mammalian cochlear hair cells?
未解决约 4 年Negative stiffness or negative damping? The dynamical nature and biophysical realization of the cochlea's active process
未解决约 77 年
日冕物质抛射7 个问题
Mechanism of complete magnetic flux replacement in an erupting coronal-mass-ejection flux rope
未解决约 3 年Onset and explosive acceleration of coronal mass ejections and eruptive flares: resistive reconnection instability versus ideal MHD instability
未解决约 28 年Stealth coronal mass ejections: testing the unified reconnection-driven eruption continuum, distinguishing ideal from reconnection-driven eruption, and multi-viewpoint detectability from L5
未解决约 9 年Calibrating the magnetic energy-ratio criterion that separates jets from coronal mass ejections in pseudostreamer eruptions
未解决约 5 年A general eruption-onset criterion and robustness limits for helicity-condensation-driven coronal mass ejections
未解决约 7 年Does the guide-field dynamic toroidal-tension (failed-torus) mechanism operate in the solar corona?
未解决约 10 年Pre-CME onset fuses: the physical origin and CME-onset significance of pre-eruption blob-chain rays at the solar streamer belt
未解决约 17 年
日冕物质抛射在日地空间的传播及其对地球的影响8 个问题
Mechanisms of flux-rope axis rotation, trailing density enhancement, and radial magnetic-field decay in the heliospheric propagation of the 2023 March 19 stealth-CME magnetic cloud
未解决不足 1 年Radial expansion and multi-energy Forbush decreases of the 2020 April 19–20 stealth CME: constraining the expansion indices and the high-energy deficit of ForbMod
未解决约 5 年Pre-arrival prediction of the magnetic structure and geoeffectiveness of halo coronal mass ejections (the Bz problem)
未解决约 19 年Observation-constrained validation of the Soloviev toroidal CME model in EUHFORIA for real-event geoeffectiveness forecasting
未解决约 2 年Origins, detection, and geoeffectiveness of stealth coronal mass ejections
未解决约 17 年End-to-end, physically interpretable deep-learning forecasting of coronal mass ejection geoeffectiveness from solar images
未解决约 1 年Validated forecasting of geomagnetic storm intensity from remote coronal-mass-ejection and flare observations: thresholds, false alarms, correlated parameters, and Sun-Earth propagation
未解决约 11 年Physical Origin of the Odd/Even (Hale-Cycle Parity) Timing Modulation of Extreme Geomagnetic Storms
未解决约 5 年
溶液中蛋白质分子的电子结构的第一性原理、全电子、从头计算6 个问题
First-principles characterization of the gramicidin A channel in a hydrated lipid membrane: structure selection, tryptophan-mediated modulation of ion permeation, and gating energetics with linear-scaling DFT
未解决约 13 年Quantum proteomics: scaling standardized electronic-structure fingerprints to whole proteomes and validating them as functional protein classifiers
未解决约 15 年Quantitative interpretation and method selection for whole-protein canonical density functional theory: the insulin hexamer electronic structure
未解决约 19 年A transferable equivalent potential of water for self-consistent cluster-embedding electronic-structure calculations of complete proteins in solution: generalizing the dipole-versus-water-model comparison
未解决约 13 年Mechanism and quantitative rates of photoinduced intramolecular electron transfer in Zn-substituted cytochrome c: validating the hole-transfer-through-occupied-orbitals assignment
未解决约 18 年Statistically converged ab initio fragment-molecular-orbital dynamics of a solvated protein in bulk solvent: charge transfer, polarization, and solvation energetics beyond single-point droplet snapshots
未解决约 19 年
如何刻画量子混沌?3 个问题
Well-defined, seed-robust Krylov-space diagnostics of quantum chaos: the limit of Lanczos statistics, initial operator/state dependence, and universality of the spread-complexity peak
未解决约 3 年Robustness of geometric circuit complexity as a quantum-chaos diagnostic: controlling generator and Dyson truncations, penalty factors, and extension beyond the Pullen–Edmonds oscillator
未解决约 1 年Operator-entropy correspondence for out-of-time-order correlators beyond infinite temperature, four points, and the lattice
未解决约 10 年
如何刻画量子相变和拓扑有序?5 个问题
Universal versus geometry- and anyon-dependent contributions to multipartition entanglement at trijunctions of two-dimensional topological orders
未解决约 4 年Microscopic topological order parameter and thermodynamic-limit phase boundary of the gapped phase of the three-leg spin nanotube
未解决约 14 年One-way-deficit susceptibility as a phase-transition diagnostic beyond free-fermion chains: finite-temperature scaling, temperature window, and dynamical phase transitions
未解决约 9 年Completing the string-order-parameter and dual-Landau characterization of topological quantum phase transitions in the generalized Kitaev brick-wall model
未解决约 19 年Transitions between topologically distinct quantum critical points beyond the one-dimensional cluster-Ising model: symmetry and dimensional generalizations, finite-temperature phase diagrams, entanglement scaling at the Lifshitz multicriticality, and fidelity-susceptibility diagnostics
未解决约 2 年
如何由二体相互作用计算超核能谱精细结构?4 个问题
Extending the Gamow shell model with an optimized interaction to -shell, heavier, and multi-strangeness hypernuclei
未解决不足 1 年Global calibration and complete uncertainty quantification of higher-order chiral hyperon-nucleon interactions with YNN three-body forces against light hypernuclei
未解决约 3 年Error budget and cutoff stability of parameter-free single-Λ hypernuclear predictions from the leading-order covariant chiral hyperon–nucleon force
未解决不足 1 年Three-body – force effects on the high-lying continuum states of : quantification within a unified coupled-channel reaction treatment
未解决约 1 年
如何在坐标空间求解核物理中耦合的微分积分方程组6 个问题
Microscopic nonlocal optical-potential treatment of nucleon scattering from axially deformed nuclei
未解决约 11 年Coupled-channel and inelastic extension of the exact Coulomb-Green-function method for scattering waves off nonlocal potentials
未解决约 7 年Coulomb-exact scattering waves for nonlocal optical potentials on nonzero-spin targets
未解决约 8 年Quantitative impact of the instantaneous-exchange approximation, basis truncation, and pairing-parameter choices in density-dependent relativistic Hartree-Fock-Bogoliubov theory
未解决约 17 年Completing nonlocality in deuteron-induced single-nucleon transfer reactions: remnant-term effects and controlled numerics after NLAT
未解决约 10 年Self-consistent coordinate-space solution of the relativistic Hartree-Fock(-Bogoliubov) equations with nonlocal Fock potentials
未解决约 17 年
弱破缺可积性4 个问题
Analytic theory of the integrability-breaking-induced symmetry-restoration Mpemba effect in classical spin chains: second-moment criterion, equilibration coefficient, and crossover scalings
Completeness of the generator classification and the relaxation-time hierarchy for weak integrability breaking in classical integrable lattice models
Dynamical test of weak versus strong integrability breaking in the and scalar quantum field theories
Closed-form finite-periodic boost generators and AGP-norm asymptotics for weak integrability breaking in the Heisenberg chain
弱束缚核反应中的多步过程3 个问题
Transfer to the continuum followed by breakup in : a consistent coupled-channel treatment and the unquantified high-lying transfer strength
未解决约 20 年Mechanism-resolved description of near-barrier one-neutron transfer in Be + Au: separating direct cluster transfer from breakup fusion and accounting for the missing reaction strength
未解决约 5 年Coupled description of near-barrier two-neutron transfer in including breakup continua and cluster structure
未解决约 7 年