General dynamical invariants for time-dependent Hamiltonians
- 1 March 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 35 (5) , 2314-2320
- https://doi.org/10.1103/physreva.35.2314
Abstract
Invariants for quantal or classical Hamiltonians are derived via the information-theory form of the statistical operator ρ^ which satisfy the maximum-entropy principle. The invariants can be constructed even for nonlinear time-dependent Hamiltonians, and recourse to the statistical operator allows for the possibility of ascribing a thermodynamical meaning to our invariants.Keywords
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