degenerate electron
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Degenerate matter — is matter that has such extraordinarily high density that the dominant contribution to its pressure is attributable to the Pauli exclusion principle.[1] The pressure maintained by a body of degenerate matter is called the degeneracy pressure, and … Wikipedia
degenerate gas — ▪ physics in physics, a particular configuration, usually reached at high densities, of a gas composed of subatomic particles with half integral intrinsic angular momentum (spin). Such particles are called fermions (fermion), because their… … Universalium
Electron configuration — Electron atomic and molecular orbitals Simp … Wikipedia
Electron degeneracy pressure — is a consequence of the Pauli exclusion principle, which states that two fermions cannot occupy the same quantum state at the same time. The force provided by this pressure sets a limit on how much matter can be squeezed together without it… … Wikipedia
Electron transfer — (ET) is the process by which an electron moves from one atom or molecule to another atom or molecule. ET is a mechanistic description of the thermodynamic concept of redox, wherein the oxidation states of both reaction partners change. Numerous… … Wikipedia
Degenerate orbitals — for electrons in an atomic subshell are orbitals at identical energy levels. These are important in physical chemistry because they affect the ways electrons fill atoms (see Hund s rule). For example, all the 3p orbitals have same energy level,… … Wikipedia
Electron liquid — The Electron Liquid is a model system used by physicists to theoretically study interactions among electrons. The uniform electron liquid is a well known model for simple metals like sodium or Aluminum. The ionic charges are assumed to be smudged … Wikipedia
Degenerate energy level — This article is about different quantum states having the same energy. For other uses, see Degeneracy. In physics, two or more different quantum states are said to be degenerate if they are all at the same energy level. Statistically this means… … Wikipedia
Nearly-free electron model — Electronic structure methods Tight binding Nearly free electron model Hartree–Fock method Modern valence bond Generalized valence bond Møller–Plesset perturbat … Wikipedia
N-Electron Valence state Perturbation Theory — In quantum chemistry, N Electron Valence state Perturbation Theory (NEVPT) is a perturbative treatment applicable to multireference CASCI type wavefunctions. It can be considered as a generalization of the well known second order Møller Plesset… … Wikipedia
n-electron valence state perturbation theory — In quantum chemistry, n electron valence state perturbation theory (NEVPT) is a perturbative treatment applicable to multireference CASCI type wavefunctions. It can be considered as a generalization of the well known second order Møller Plesset… … Wikipedia
