TERMIUM Plus®

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

RUPTURE SYMETRIE [1 record]

Record 1 1994-06-01

English

Subject field(s)
  • Mathematics
  • Computer Graphics
CONT

Spontaneous symmetry breaking. The ball is placed on top of the "Mexican hat" surface. In this configuration there is complete rotational symmetry. However, the configuration is unstable, and the ball spontaneously rolls down into the rim of the "hat", coming to rest at some arbitrary point. The rotational symmetry is thereby broken. The system has traded symmetry for stability.

French

Domaine(s)
  • Mathématiques
  • Infographie
DEF

Changement de la symétrie d'une structure, ou perte de symétrie de deux structures, lorsque les conditions qui la favorisaient changent.

OBS

Par exemple, les désordres d'empilement, les degrés d'ordre, les lacunes et les substitutions dans un réseau, les surstructures, les solides à dimensionnalité réduite, les matériaux incommensurables, les quasi-cristaux, le «dopage» des semi-conducteurs.

PHR

La brisure de symétrie engendre des structures, se manifeste, se produit, résulte d'une différence de symétrie.

PHR

engendrer, provoquer une brisure de symétrie.

Spanish

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