Time reversal in classical and quantum mechanics |
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Authors: | J. M. Domingos |
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Affiliation: | (1) Departamento de Fisica, Universidade de Coimbra, Coimbra, Portugal |
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Abstract: | A review of Wigner's time reversal is presented and some important aspects are emphasized. The subject is introduced via classical mechanics. Non-physical statements as time running backwards are avoided. Comments are made on the roles of time and of the operatori(/t) in quantum mechanics. The role of symmetries and conservation laws and some properties of the time-reversed states are discussed.Work supported by Instituto Nacional de Investigação Científica, Portugal. |
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