totally symmetric
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Symmetric group — Not to be confused with Symmetry group. A Cayley graph of the symmetric group S4 … Wikipedia
Identical particles — Statistical mechanics Thermodynamics · … Wikipedia
Entropy (arrow of time) — Entropy is the only quantity in the physical sciences that picks a particular direction for time, sometimes called an arrow of time. As one goes forward in time, the second law of thermodynamics says that the entropy of an isolated system can… … Wikipedia
Feynman diagram — The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… … Wikipedia
Bose–Einstein statistics — In statistical mechanics, Bose Einstein statistics (or more colloquially B E statistics) determines the statistical distribution of identical indistinguishable bosons over the energy states in thermal equilibrium.ConceptBosons, unlike fermions,… … Wikipedia
Depolarization ratio — For other uses, see Depolarization (disambiguation). In Raman spectroscopy, the depolarization ratio is the intensity ratio between the perpendicular component and the parallel component of the Raman scattered light.[1] Early work in this field… … Wikipedia
boson — noun /ˈbəʊzɒn/ A particle with totally symmetric composite quantum states, which exempts them from the Pauli exclusion principle, and that obey Bose Einstein statistics. They have integer spin. Among them are many elementary particles, and some… … Wiktionary
Numerical renormalization group — The Numerical Renormalization Group (NRG) is a technique devised by Kenneth Wilson to solve certain many body problems where quantum impurity physics plays a key role. It is an inherently non perturbative procedure, which was originally used to… … Wikipedia
Outline of algebraic structures — In universal algebra, a branch of pure mathematics, an algebraic structure is a variety or quasivariety. Abstract algebra is primarily the study of algebraic structures and their properties. Some axiomatic formal systems that are neither… … Wikipedia
List of matrices — This page lists some important classes of matrices used in mathematics, science and engineering: Matrices in mathematics*(0,1) matrix a matrix with all elements either 0 or 1. Also called a binary matrix . *Adjugate matrix * Alternant matrix a… … Wikipedia
List of algebraic structures — In universal algebra, a branch of pure mathematics, an algebraic structure is a variety or quasivariety. Abstract algebra is primarily the study of algebraic structures and their properties. Some axiomatic formal systems that are neither… … Wikipedia
