Rotter, Ingrid Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
https://link.springer.com/journal/10773/54/11/page/1 (Publisher version)
1702.08257 (Preprint), 16KB
Eleuch, H., & Rotter, I. (2015). Open Quantum Systems with Loss and Gain. International Journal of Theoretical Physics, 54(11), 3877-3888. doi:10.1007/s10773-014-2375-3.