Fermionic entanglement in itinerant systems
Quantum Physics
2009-11-07 v2
Abstract
We study pairwise quantum entanglement in systems of fermions itinerant in a lattice from a second-quantized perspective. Entanglement in the grand-canonical ensemble is studied, both for energy eigenstates and for the thermal state. Relations between entanglement and superconducting correlations are discussed in a BCS-like model and for -pair superconductivity.
Cite
@article{arxiv.quant-ph/0201028,
title = {Fermionic entanglement in itinerant systems},
author = {Paolo Zanardi and Xiaoguang Wang},
journal= {arXiv preprint arXiv:quant-ph/0201028},
year = {2009}
}
Comments
8 Pages LaTeX, 5 Figures included. Presentation improved, results and references added