correspondence principle - définition. Qu'est-ce que correspondence principle
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Qu'est-ce (qui) est correspondence principle - définition

PHYSICS PRINCIPLE THAT QUANTUM THEORIES REPRODUCE CLASSICAL PHYSICS IN THE LIMIT OF LARGE QUANTUM NUMBERS, FORMULATED BY NIELS BOHR IN 1920
Correspondence Principle; Corrospondence principle; The obvious principle; Principle of correspondence

correspondence principle         
¦ noun Physics the principle that states that for very large quantum numbers the laws of quantum theory merge with those of classical physics.
Correspondence principle         
In physics, the correspondence principle states that the behavior of systems described by the theory of quantum mechanics (or by the old quantum theory) reproduces classical physics in the limit of large quantum numbers. In other words, it says that for large orbits and for large energies, quantum calculations must agree with classical calculations.
Correspondence chess         
  • Sample image of a chess variant that can be played on the internet.
SLOW CHESS PLAYED VIA PAPER POSTAL SYSTEM (ONE GAME TAKING WEEKS THEN) OR E-MAIL
Postal chess; Correspondence chess server; Correspondence Chess; Correspondence Chess Server; Correspondence database; Chess by mail; Corr. chess
Correspondence chess is chess played by various forms of long-distance correspondence, traditionally through the postal system. Today it is usually played through a correspondence chess server, a public internet chess forum, or email.

Wikipédia

Correspondence principle

In physics, the correspondence principle states that the behavior of systems described by the theory of quantum mechanics (or by the old quantum theory) reproduces classical physics in the limit of large quantum numbers. In other words, it says that for large orbits and for large energies, quantum calculations must agree with classical calculations.

The principle was formulated by Niels Bohr in 1920, though he had previously made use of it as early as 1913 in developing his model of the atom.

The term codifies the idea that a new theory should reproduce under some conditions the results of older well-established theories in those domains where the old theories work. This concept is somewhat different from the requirement of a formal limit under which the new theory reduces to the older, thanks to the existence of a deformation parameter.

Classical quantities appear in quantum mechanics in the form of expected values of observables, and as such the Ehrenfest theorem (which predicts the time evolution of the expected values) lends support to the correspondence principle.