Decoherence in a fermion environment: Non-Markovianity and Orthogonality Catastrophe
- Autori: Plastina, F; Sindona, A; Goold, J; Lo Gullo, N; Lorenzo, S
- Anno di pubblicazione: 2013
- Tipologia: Articolo in rivista (Articolo in rivista)
- OA Link: http://hdl.handle.net/10447/100559
Abstract
We analyze the non-Markovian character of the dynamics of an open two-level atom interacting with a gas of ultra-cold fermions. In particular, we discuss the connection between the phenomena of orthogonality catastrophe and Fermi edge singularity occurring in such a kind of environment and the memory-keeping effects which are displayed in the time evolution of the open system.