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REDFIELD DYNAMICS OF A QUANTUM SPHERICAL SPIN.
- Source :
-
Revista Cubana de Física . dic2017, Vol. 34 Issue 2, p158-162. 5p. - Publication Year :
- 2017
-
Abstract
- The temporal evolution of a quantum spherical spin in contact with a thermal bath is studied by solving the exact Redfield equation, in order to evaluate the effect of the frequently used Lindblad approximation. This simple model can be used as a starting point for the study of more complex open quantum systems. Significant discrepancies are observed for short times. In the equilibrium state both models give identical results, as expected. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02539268
- Volume :
- 34
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- Revista Cubana de Física
- Publication Type :
- Academic Journal
- Accession number :
- 133743947