Action principle and weak invariants

A weak invariant associated with a master equation is characterized in such a way that its spectrum is not constant in time but its expectation value is conserved under time evolution generated by the master equation. Here, an intriguing relationship between the concept of weak invariants and the ac...

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Bibliographic Details
Main Authors: Sumiyoshi Abe, Congjie Ou
Format: Article
Language:English
Published: Elsevier 2019-09-01
Series:Results in Physics
Online Access:http://www.sciencedirect.com/science/article/pii/S221137971930806X