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MECANIQUE QUANTIQUE [3 records]

Record 1 2020-01-31

English

Subject field(s)
  • Physics
  • Statistics
CONT

Quantum statistical mechanics is the study of probability potentials of individual particles as well as bulk properties.

French

Domaine(s)
  • Physique
  • Statistique
CONT

Richard Feynman avait déjà insisté sur le fait que la mécanique quantique statistique divisait l'Univers, ou plus exactement ses «degrés de liberté», en deux sous-systèmes : l'objet d'expérience et le reste du monde, ce qu'on appelle communément l'environnement.

Spanish

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Record 2 2010-07-22

English

Subject field(s)
  • Energy (Physics)
  • Atomic Physics
DEF

A mathematical theory in physics which starts with the assumption that energy is not infinitely divisible and deals with atomic structure and phenomena by the methods of quantum theory.

CONT

Quantum mechanics describes a system of particles in terms of a wave function defined over the configuration space of the system.

OBS

quantum theory: the theory that energy is not absorbed or radiated continuously but discontinuously, and only in multiples of definite, indivisible units (quanta).

French

Domaine(s)
  • Énergie (Physique)
  • Physique atomique
DEF

Mécanique qui utilise et applique la théorie des quanta.

OBS

théorie des quanta: ensemble des théories et des procédés de calcul issu de l'hypothèse des quanta d'énergie de Planck [...]

Spanish

Campo(s) temático(s)
  • Energía (Física)
  • Física atómica
DEF

Mecánica que se aplica a los sistemas en los que la acción toma valores comparables a la constante de Planck. En ella, los observables se representan por operadores que no siempre conmutan.

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Record 3 2000-04-20

English

Subject field(s)
  • Energy (Physics)
  • Atomic Physics
CONT

The fundamental ingredients used to describe quantum mechanical processes are complex numbers known as amplitudes.

Key term(s)
  • quantum-mechanical tunelling

French

Domaine(s)
  • Énergie (Physique)
  • Physique atomique

Spanish

Campo(s) temático(s)
  • Energía (Física)
  • Física atómica
CONT

Los ingredientes fundamentales utilizados para describir los procesos mecánico-cuánticos son números complejos conocidos como amplitudes.

Save record 3

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