
Scientists / Open questions
杨振宁
Chen Ning Yang
粒子物理、规范场论、统计物理
1957 年诺贝尔物理学奖
15 个问题
Static sourceless gauge fields for noncompact gauge groups: the existence conjecture and physical viability
Determinacy of classical non-Abelian gauge fields by their field strengths, and realizability of the duals of sourceless fields
Completing the SO(4) analysis of the Hubbard model: classifying all interaction-independent eigenstates and determining the ordered region R
KNO scaling for two-jet events: decisive tests of the Chou–Yang fixed-angular-momentum picture of multiplicity fluctuations
Beyond the pointwise classification of SU(2) gauge fields: local invariant completeness, differential assembly, dynamical realization, and the degenerate orbit structure of the Wang–Yang classes
Impact-parameter origin of multiplicity fluctuations in nondiffractive hadron-hadron collisions: quantitative establishment and experimental tests of the Chou-Yang geometrical picture
Energy dependence and dynamical basis of the proton matter-distribution parameters in the Chou–Yang geometrical model of elastic / scattering
Incoherent multiple collisions and the anomalous mass-number dependence of high-transverse-momentum hadron production in proton-nucleus collisions
Zero-temperature dilute-limit thermodynamics of liquid ³He–⁴He mixtures under pressure: the non-analytic low-density expansion, its coefficients, and their microscopic basis
Completing the scattering program of the one-dimensional N-fermion delta gas: Bethe-ansatz exactness, singular string limits, and diffractive three-body scattering
Completing Chou and Yang's exact solution of the carbon-60 vibration problem: the and characteristic polynomials, normal-mode eigenvectors, and inversion of the measured spectrum to force constants
Quantitative geometrical theory of diffraction-dissociation beyond the zeroth-order source
Open sub-questions in the classical wave-like reconstruction of the Schrödinger equation: discontinuous potentials, the magnitude of the action, and extension beyond the Schrödinger picture
Field-theoretic status of fermion bound states on a point Dirac magnetic monopole: the self-consistent anomalous moment, the enclothed vacuum, multi-electron binding, and binding of composite particles (Kazama-Yang, 1977)
When does a conformal rescaling preserve Yang's parallel-displacement gauge field and the pure-space (Stephenson–Kilmister–Yang) condition?