Abstract
Discrete-time evolution operators in integrable quantum lattice models are sometimes more fundamental objects than Hamiltonians. In this paper, we study an evolution operator for the one-dimensional integrable q-deformed Bose gas with XXZ-type impurities and find its spectrum. Evolution operators give a new interpretation of known integrable systems, for instance, our system describes apparently a simplest laser with a clear resonance peak in the spectrum
| Original language | English |
|---|---|
| Pages (from-to) | 209-213 |
| Number of pages | 5 |
| Journal | Journal of Physics A: Mathematical and Theoretical |
| Volume | 40 |
| DOIs | |
| Publication status | Published - 2007 |
| Externally published | Yes |