Disciplines / Research questions

物理学

691 个研究主题 · 2739 个问题

restricted solid-on-solid(RSOS)模型3 个问题
  1. Completing the lattice-to-continuum correspondence for integrable seams in unitary and nonunitary A-D-E minimal models: r-type seams, noncommutative D2ℓD_{2\ell} fusion algebras, and nonunitary dilogarithm identities

  2. Sublinear variance bounds and the fluctuation order of the continuous-time restricted solid-on-solid (RSOS) surface growth model

  3. Open problems in the factorization of reduced density matrices of the critical RSOS models: topological sectors, four-site decomposition, massive regimes, and rigorous foundations

Rogers–Ramanujan 恒等式2 个问题
  1. Nahm's problem: classify the rational triples (A, B, C) for which the Nahm sum fA,B,C(q)f_{A,B,C}(q) is a modular function

  2. Explicit tableau-pair families for the Rogers–Ramanujan summands and the direct Rogers–Ramanujan bijection (Stanton's Problem 2.3, with the row-restricted Cauchy Speculation 4.2)

root-of-unity 结构2 个问题
  1. Completing the categorical Temperley-Lieb framework: weakened rigidity for ModTL\mathrm{Mod}_{\mathrm{TL}} at roots of unity, the dilute commutor versus integrable 19-vertex weights, and fusion with braiding for the blob and affine families

    未解决约 8 年
  2. Rigorous passage from the Jones quotients of the Temperley-Lieb algebras to the Virasoro minimal unitary models

    未解决约 9 年
RTT 关系3 个问题
  1. Structural completion of the deformed (braided) gl(2|2) Yangian: the Yangian double, quantum determinant and center, crossing monodromy, and the secret-symmetry tower

    未解决约 12 年
  2. Identifying the qq-Pochhammer, Dickson, and Bessel algebras of the orthogonalization of Yangians

  3. Completeness of the nested Bethe ansatz for the RTT algebra of sp(4) type (extended Yangian of sp(4))

scaling Potts 模型2 个问题
  1. Exchange-versus-bootstrap S-matrix crossover in the near-critical three-state quantum Potts chain: the scale p* and its dangerously irrelevant origin

  2. Universal critical-amplitude ratios of the two-dimensional four-state Potts universality class: settling the two-kink form-factor versus Monte Carlo/series discrepancy

sine-Gordon 模型4 个问题
  1. Full construction of the subcritical sine-Gordon Euclidean field theory: all couplings λ∈R\lambda\in\mathbb{R} and β2<8π\beta^{2}<8\pi in infinite volume, massive and massless

  2. Charge-conjugation-odd conserved quantities underlying ballistic topological-charge transport in the sine-Gordon model

  3. Renormalised higher-spin conserved currents of the massless sine-Gordon model: correlation functions, convergence, and quantum corrections

  4. Form factors of the U(1) composite branch-point twist field in the soliton-antisoliton sector of the sine-Gordon model

Sklyanin 代数4 个问题
  1. Isomorphism classification of three-generator Sklyanin algebras over fields of characteristic 3 and over fields without a nontrivial cubic root of unity

    未解决约 5 年
  2. Direct continuum quantization of the anisotropic Landau–Lifshitz model and the continuum origin of the Sklyanin algebra

    未解决约 17 年
  3. Zariski cancellation for Sklyanin algebras of dimension at least three (the PI and four-dimensional cases)

    未解决约 8 年
  4. Maximal level of a good specialization and explicit forms of the dimension-ss irreducible representations of a PI 4-dimensional Sklyanin algebra

Slavnov 型标量积1 个问题
  1. Complete spectrum and Slavnov-type scalar products for the open XYZ spin-1/2 chain beyond the linear boundary constraint

    未解决约 38 年
SOS 高度变量4 个问题
  1. The scaling limit of the integer-valued solid-on-solid model in the rough phase

  2. Thermodynamic limit of the elliptic SOS model with domain-wall boundaries at general anisotropy, and its connection to the three-colouring functional equations

  3. Layering transitions, exact wetting point, and critical behavior of the two-dimensional Solid-on-Solid wetting model beyond the low-temperature regime

  4. Macroscopic shape of the (2+1)-dimensional solid-on-solid surface with wall pinning in the delocalized phase: two-level concentration, pinning-dependent height shift, and level-line scaling limits

Square Lattice Eight-Vertex Model7 个问题
  1. Symmetry algebra underlying the transfer-matrix degeneracies of the eight-vertex model at elliptic roots of unity

    未解决约 20 年
  2. Analytic foundations of the new Q-matrix for the eight-vertex model at roots of unity: regularity, functional relations, and the t≠0t\neq 0 similarity structure

    未解决约 19 年
  3. Rigorous fluctuation theory for the stochastic eight-vertex model: Boltzmann–Gibbs replacement principles, the two-noise KPZ–Burgers limit SPDE, and classification of translation-invariant invariant measures

    未解决约 5 年
  4. Conjecture 5.1 of Hagendorf and Liénardy: an eigenvalue formula for the inhomogeneous supersymmetric eight-vertex model on a strip

    未解决约 6 年
  5. Critical behavior of the eight-vertex model in electric fields beyond the c=dc=d subspace: robustness of weak universality and the electric critical exponents

    未解决约 10 年
  6. Finite-lattice integrability of the free-fermion odd eight-vertex model: commuting transfer matrices for the asymmetric and staggered cases

    未解决约 8 年
  7. Form factors of local operators and correlation functions of the inhomogeneous eight-vertex (XYZ) model via the generalized algebraic Bethe ansatz

    未解决约 6 年
Square-Lattice Ising Model5 个问题
  1. Coexistence of infinite ++ and −- clusters in the Ising model on the square matching lattice Z∗2\mathbb{Z}_*^2 for all subcritical temperatures

    未解决不足 1 年
  2. Continuity, critical-current geometry, and Pfaffian universality for two-dimensional finite-range Ising models

    未解决约 8 年
  3. Differential-equation characterization of the leading finite-size corrections to the two-dimensional Ising two-point scaling function in general lattice position

    未解决约 50 年
  4. Existence of a nonlinear Painlevé-type ordinary differential equation for the row correlation functions of the two-dimensional Ising model

    未解决约 46 年
  5. Fisher-zero accumulation geometry and free-energy analyticity of the square-lattice Ising model at generic nonzero magnetic field

    未解决约 30 年
STM单原子/分子操纵及在纳米科技中的应用6 个问题
  1. Generalization, tip-change robustness, and physical interpretation of deep-reinforcement-learning control in autonomous atom manipulation

    未解决约 3 年
  2. Real-time dynamics, interfacial-charge mechanism, and directionality control of electrostatically driven long-distance single-molecule motion on surfaces

    未解决约 5 年
  3. Saturation capacity, atomic-scale structure, method generality, and catalytic/magnetic properties of atom-by-atom assembled clusters in Si(111)-(7×7) half-unit cells by mechanical gating

    未解决约 12 年
  4. Closing the autonomy and inverse-design loop for atom-by-atom fabrication of artificial lattices with designer electronic states

    未解决约 1 年
  5. Gate-controlled reconfiguration and coherent dynamics of atom-assembled quantum-dot molecules on InAs(111)A

    未解决约 11 年
  6. Verified atomic identity, transfer to Si(001), and encapsulation of phosphorus implanted into silicon by STM-tip manipulation of P4P_4

    未解决约 5 年
stochastic vertex models3 个问题
  1. Interpolation between the stochastic telegraph equation and KPZ fluctuation limits of the stochastic six-vertex model

  2. Half-space symmetry classification for the colored stochastic six-vertex model: Galashin-type characterization and shift invariance for height functions not crossing the diagonal

  3. Exact non-equilibrium steady state of the boundary-driven multispecies harmonic process: factorised form and mixture representation

TBA 与 YY-system3 个问题
  1. Equivalence between the decoupled sine-Gordon thermodynamic Bethe Ansatz system and the conjectured sine-Gordon Y-system

  2. Open analytic problems in the thermodynamics of Inozemtsev's elliptic spin chain: string classification, supersymmetric equivalence, and reduction of the elliptic Y-system

  3. Non-principal ('snake') YY-systems and exact finite-size corrections for the twisted A2(1)A_2^{(1)} and A2(2)A_2^{(2)} lattice models

Temperley–Lieb 代数2 个问题
  1. Iterated binary fusion versus single m-fold fusion for families of modules over the enlarged periodic Temperley–Lieb algebra

    未解决不足 1 年
  2. Completing the exact solution of the Uqsl2U_q\mathfrak{sl}_2-invariant non-compact boundary XXZ chain: two-boundary Temperley–Lieb representation theory at roots of unity, indecomposable boundary weights, critical scaling limits, and fusion

    未解决约 4 年
tensor network renormalization(TNR)2 个问题
  1. Open problems of the Newton-with-rotation method for critical tensor network renormalization group fixed points (Ebel–Kennedy–Rychkov)

  2. Defect-preserving tensor-network coarse graining and the smearing-radius growth law at criticality

tensor renormalization group(TRG)2 个问题
  1. Large-NN volume independence in the tensor renormalization group beyond two-dimensional pure gauge: self-similar singular-value spectra in d≥3d\ge 3 and O(1)O(1) topological volume independence with matter fields

  2. Predictive theory of bond-dimension convergence and truncation-induced length scales in plain tensor renormalization group

The Mean Field Model7 个问题
  1. Clustering transition and Bethe-state decomposition for Gibbs measures on sparse random graphs

    未解决约 21 年
  2. Finite-NN crossover from Vlasov to Boltzmann-Gibbs critical behavior in the Hamiltonian mean-field model

    未解决约 13 年
  3. Global complex-temperature phase diagram of the Curie–Weiss model: the critical curve conjecture of Shamis and Zeitouni

    未解决约 9 年
  4. Extending force-monopole micromechanics of a mean-field glass model to sparse connectivity, mesoscopic-elasticity/boson-peak predictions, and driven dynamics

    未解决不足 1 年
  5. Vlasov response, fluctuation-dissipation, and collective 1/f fluctuations in mean-field classical Heisenberg spin systems beyond second-order transitions

    未解决约 7 年
  6. Nuclear spectral theory for the Ruelle–Araki transfer operator beyond exponential decay: one-dimensional interactions with polynomial and stretched-exponential tails

    未解决约 46 年
  7. Finite-γ spontaneous magnetization of the layered Kac Ising model at the mean-field critical temperature and its convergence to the Lebowitz–Penrose phase diagram

    未解决约 11 年
The One-dimensional Ising Model1 个问题
  1. Dynamic phase transition in the periodically driven one-dimensional Ising chain: existence, the dimensional mechanism, and the stationarity scaling

    未解决约 11 年
The Spherical Model6 个问题
  1. Out-of-equilibrium dynamics and thermodynamics of the active spherical model

    未解决约 4 年
  2. Hierarchical O(N)O(N) Heisenberg-to-spherical convergence in the local potential approximation and the 1/N1/N viscosity expansion of the renormalization-group PDE

    未解决约 18 年
  3. Onset of nonconcavity and ensemble nonequivalence in the microcanonical entropy of the spherical model as the interaction range is varied, and genericity of two-transition microcanonical phase diagrams for short-range ferromagnets

    未解决约 16 年
  4. Robustness of momentum-interaction-induced re-entrant quantum criticality beyond the exactly solved spin-anisotropic quantum spherical model

    未解决约 11 年
  5. Exact finite-size scaling of the three-dimensional mean spherical model with Neumann–Dirichlet boundary conditions and surface fields in the regime at and below the film critical point

    未解决约 20 年
  6. Demagnetization artifact and ternary extensions in exactly solvable multicomponent spherical models of fluid criticality

    未解决约 17 年
thermodynamic Bethe Ansatz(TBA)4 个问题
  1. Well-posedness of the generalized thermodynamic Bethe ansatz beyond the repulsive Lieb-Liniger model: string, nested and attractive structures, and non-polynomial driving functions

  2. Global solution of the infinite thermodynamic Bethe-ansatz string hierarchy of the one-dimensional attractive Hubbard model

  3. Thermodynamic Bethe Ansatz completeness for the surface free energy of the open XXZ spin-1/2 chain

  4. Analytic foundations of the Thermodynamic Bethe Ansatz solution to the Donaldson-Thomas Riemann-Hilbert problem of the A2 quiver (deformed cubic oscillator)

theta 函数4 个问题
  1. Rigorous analytic status of the theta-function Zamolodchikov-algebra constructions for the Belavin model: the NN-dependence of the case-2 alternative algebra

  2. Exact grand partition functions, modularity, and quantization conditions for the orientifold ABJ Fermi gas at general Chern-Simons level kk

  3. Exact solution of the elliptic and hyperbolic near-neighbors Jastrow models beyond the ground state: excited eigenfunctions, spin generalizations, and correlation functions

  4. Theta-function solution space of the level-one elliptic qKZB equation: wheel-condition classification and the first-excited-state conjecture in the three-colour model

theta 函数代数恒等式1 个问题
  1. Liu's q→1q\to1 degeneration conjecture: reduction of the χ5\chi_5 theta-function identity (3.80) to the cyclotomic-unit logarithm

theta 函数级数展开2 个问题
  1. Liu's Conjecture 3.10: the q→1q\to1 degeneration of a degree-eight theta-function identity to a quadratic-character logarithmic series

  2. Open problems on the Rogers–Ramanujan dissection of a theta function: multi-factor dissections, an ss-parameter companion family, physical interpretation, and partition-theoretic content

Tracy–Widom 分布1 个问题
  1. Divisibility and decomposability structure of the Tracy–Widom laws: free infinite divisibility, the GSE and β-Hermite finite-N cases, indecomposability, and divisible interpolation families

transfer-matrix fixed point1 个问题
  1. Chaotic RG flows and aperiodic critical times in the exact transfer-matrix renormalization group of the quench-driven Q-state clock chain

Tutte 多项式2 个问题
  1. Completing the approximability classification of the parameterized Tutte polynomial at rational points with (x−1)(y−1)∉[0,1](x-1)(y-1)\notin[0,1]

    未解决约 5 年
  2. Completing the approximability classification of the Tutte polynomial of a planar graph: the unclassified points of the Tutte plane and the strength of the hardness conclusions

    未解决约 17 年
twisted boundary condition4 个问题
  1. Ergodicity under twist switching, finite-time twist dynamics, and out-of-equilibrium extensions of integrable set-theoretical Markov processes (twisted SSEP)

  2. Closure of the quantum separation-of-variables program for twisted glM∣Ngl_{\mathcal{M}|\mathcal{N}} spin chains and the inhomogeneous Hubbard model

  3. Universal overlap formula for integrable matrix product states of rational spin chains under twisted boundary conditions

  4. Classification, Hamiltonian structure, and quantum S-matrices of ZN\mathbb{Z}_N-twisted trigonometric sigma models

ultraviolet CFT limit3 个问题
  1. Analytic completion of the kink-NLIE derivation of the ultraviolet OPE coefficients of the sine-Gordon model

  2. Completing the massless S-matrix bootstrap classification of UV-complete RG flows from 2D coset CFTs

  3. Analytic ultraviolet solution of the Tracy-Widom TBA for the boundary sinh-Gordon g-function and quantitative comparison with Liouville boundary conformal field theory

universal RR-matrix4 个问题
  1. Universal RR-matrix of the double-parameter quantum affine superalgebra of type A(0,2)(4)A(0,2)^{(4)}

    未解决不足 1 年
  2. Universal R-matrix and representation theory of the braided Yangian of centrally extended su(2|2) in planar AdS/CFT

    未解决约 19 年
  3. Explicit closed-form expressions for the factors of the universal R-matrix of the Yangian double in rank at least two

    未解决约 30 年
  4. Light-cone lattice discretizations from the universal R-matrix: completing the algebraic status of the renormalised R-operator and the analytic spectral characterisation for general rank

    未解决约 11 年
van der Waals 流体与经典临界指数2 个问题
  1. Microscopic first-principles determination of the fluctuon parameters in the heterophase-fluctuation theory of the critical compressibility factor

    未解决约 6 年
  2. Microscopic foundation of the Barra–Moro finite-size van der Waals partition function and its Pearcey critical scaling

    未解决约 11 年
Virasoro 最小模型4 个问题
  1. Explicit classical limits of irreducible Virasoro minimal-model modules: closed Poisson generators for the boundary family and the associated graded beyond it

  2. All-orders cancellation of non-physical resonance poles in Zamolodchikov-type recursion relations for Virasoro minimal models

  3. Regularisation of non-regular translation-invariant defect perturbations compatible with the bulk commutation condition in two-dimensional perturbed CFTs

  4. The singular support of the Virasoro minimal models beyond the Ising model: finite generation and explicit structure of the kernel differential ideal

Wronskian 关系2 个问题
  1. Reality conditions on the coefficient matrix in the Wronskian and Casoratian condition equations for the KdV equation and the Toda lattice

    未解决约 20 年
  2. Gauge-covariant formulation and complete integrable structure of the nonlocal PT-symmetric multicomponent nonlinear Schrödinger hierarchies on symmetric spaces

    未解决约 8 年
XYZ 链谱3 个问题
  1. Ground state of the odd-length XYZ spin chain at the combinatorial point: the inhomogeneous eigenvalue conjecture and the polynomial-combinatorial structure of its components

    未解决约 16 年
  2. The inhomogeneous transfer-matrix eigenvalue conjectures for the supersymmetric eight-vertex model (open strip and periodic)

  3. Completeness of the homogeneous T-Q ansatz for the 8-vertex model with quasi-periodic boundary conditions and an odd number of sites

Yang 自发磁化2 个问题
  1. Emergent planarity at criticality: continuity, current mixing, crossing estimates, and Pfaffian order–disorder structure for two-dimensional finite-range Ising models

    未解决约 8 年
  2. Spontaneous magnetization of the Ising model on the kagome lattice: a rigorous derivation from the Kanô–Naya free energy

Yang–Baxter 方程2 个问题
  1. Universal structure of the modified Yang-Baxter equations arising from non-regular 4x4 Lax operators

    未解决约 1 年
  2. Classification of unitary Yang–Baxter operators: generating sources, localization of braid representations, and virtual abelianness of braid images

    未解决约 16 年

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