TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

EIGENSTATE THERMALISATION HYPOTHESIS [1 record]

Record 1 2023-10-17

English

Subject field(s)
  • Atomic Physics
DEF

[A] set of ideas which purports to explain when and why an isolated quantum mechanical system can be accurately described using equilibrium statistical mechanics.

CONT

The eigenstate thermalization hypothesis (ETH) is a powerful conjecture for understanding how statistical mechanics emerges in a large class of many-body quantum systems.

Key term(s)
  • eigenstate thermalisation hypothesis

French

Domaine(s)
  • Physique atomique
DEF

Ensemble d'idées visant à expliquer à quel moment et de quelle manière un système mécanique quantique isolé peut être décrit avec exactitude à l'aide de la mécanique statistique d'équilibre.

CONT

L'hypothèse de thermalisation des états propres [...] stipule que la valeur moyenne d'une observable locale prise sur des états propres d'énergies compris dans la fenêtre ∆E autour de E s'identifie à la moyenne microcanonique à l'énergie E.

Spanish

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