1. On the BCH formula of Rezek and Kosloff
- Author
-
Winny O'Kelly de Galway and Jan Naudts
- Subjects
Statistics and Probability ,Density matrix ,Pure mathematics ,Statistical Mechanics (cond-mat.stat-mech) ,Physics ,FOS: Physical sciences ,Mathematical Physics (math-ph) ,Condensed Matter Physics ,Affine Lie algebra ,Baker–Campbell–Hausdorff formula ,Lie algebra ,Lie theory ,Quantum heat engine ,Lie algebras ,Quantum ,Mathematical Physics ,Condensed Matter - Statistical Mechanics ,Mathematics - Abstract
The BCH formula of Rezek and Kosloff is a convenient tool to handle a family of density matrices, which occurs in the study of quantum heat engines. We prove the formula using a known argument from Lie theory., Comment: 6 pages
- Published
- 2011