| 单词 | time reversal invariance |
| 释义 | > as lemmastime reversal invariance time reversal invariance n. Physics invariance of the laws of nature under a transformation of time reversal, so that all processes allowed by them are also allowable when all motions in them are reversed. ΘΚΠ the world > matter > physics > quantum theory > quantum mechanics > quantum field theory > [noun] > time reversal > stability of laws of nature under time reversal invariance1953 1953 Physica 19 963 The property of time reversal invariance (‘microscopic reversibility’) of the equations of motion of individual particles in the presence of a magnetic field. 1963 P. E. Hodgson Optical Model Elastic Scattering iii. 48 Three such tensor couplings can be constructed that satisfy the requirements of time reversal invariance and parity conservation. 2003 Connecting Quarks with Cosmos (U.S. National Res. Council: Div. Engin. & Phys. Sci.) iii. 55 A symmetry principle called time-reversal invariance, or T symmetry, holds that the laws of physics should be the same when time is run backwards. < as lemmas |
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