Gibbs ensemble

E284681

The Gibbs ensemble is a statistical physics framework that describes the probabilistic distribution of microstates for systems in thermal equilibrium, typically at fixed temperature, volume, and particle number.

All labels observed (5)

How this entity was disambiguated

Statements (30)

Predicate Object
instanceOf concept in statistical mechanics ⓘ
statistical ensemble ⓘ
appliesTo systems in thermal equilibrium ⓘ
assumes ergodic hypothesis ⓘ
large number of degrees of freedom ⓘ
basedOn Boltzmann factor ⓘ
characterizedBy fixed particle number ⓘ
fixed temperature ⓘ
fixed volume ⓘ
contrastsWith non-equilibrium ensembles ⓘ
describes probabilistic distribution of microstates ⓘ
field statistical mechanics ⓘ
thermodynamics ⓘ
formalizedBy Josiah Willard Gibbs ⓘ
hasKeyQuantity partition function ⓘ
mathematicallyFormulatedAs probability measure on phase space ⓘ
namedAfter Josiah Willard Gibbs ⓘ
probabilityWeight exponential of minus energy over k_B T ⓘ
provides link between microscopic dynamics and macroscopic thermodynamics ⓘ
relatedTo canonical ensemble ⓘ
grand canonical ensemble ⓘ
microcanonical ensemble ⓘ
requires definition of Hamiltonian of the system ⓘ
underlies canonical distribution ⓘ
grand canonical distribution ⓘ
usedFor calculating expectation values of observables ⓘ
deriving thermodynamic properties from microscopic states ⓘ
usedIn chemical physics ⓘ
equilibrium statistical mechanics ⓘ
theoretical physics ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

statistical physics → usesConcept → Gibbs ensemble ⓘ
Josiah Willard Gibbs → knownFor → Gibbs ensemble in statistical mechanics ⓘ
linked to: Gibbs ensemble
Josiah Willard Gibbs → notableConcept → grand canonical ensemble ⓘ
linked to: Gibbs ensemble
The Principles of Statistical Mechanics → subject → Gibbs ensembles ⓘ
linked to: Gibbs ensemble
Elementary Principles in Statistical Mechanics → basedOn → Gibbs ensemble theory ⓘ
linked to: Gibbs ensemble