Abstract
We show that the geometrical phase defined for the dissipative systems [1] is invariant under a unitary transformation. This implies for lasers an invariance of the geometrical phase for different choices of the reference frequency.
Original language | English (US) |
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Pages (from-to) | 261-262 |
Number of pages | 2 |
Journal | Zeitschrift für Physik B Condensed Matter |
Volume | 89 |
Issue number | 3 |
DOIs | |
State | Published - Oct 1 1992 |
Externally published | Yes |
ASJC Scopus subject areas
- Condensed Matter Physics