Decoherence in a fermion environment: Non-Markovianity and Orthogonality Catastrophe

6533b835fe1ef96bd129eaca

RESEARCH PRODUCT

Decoherence in a fermion environment: Non-Markovianity and Orthogonality Catastrophe

A. Sindona John Goold John Goold N. Lo Gullo Francesco Plastina Salvatore Lorenzo

subject

Statistics and Probability Physics Condensed Matter::Quantum Gases Quantum Physics Quantum decoherence Time evolution FOS: Physical sciences Statistical and Nonlinear Physics Fermion Open system (systems theory)orthogonality catastrophe markovianity Settore FIS/03 - Fisica Della Materia Theoretical physics Singularity Quantum mechanics Quantum Physics (quant-ph)Mathematical Physics Fermi Gamma-ray Space Telescope

description

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.

year	journal	country	edition	language
2013-11-08

10.1142/s1230161213400052 http://hdl.handle.net/10447/100559

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