2016/07/08 by Vladimir P. Villegas, Villegas, Vladimir P., Roland Cristopher F. Caballar +1
Physics and Astronomy · #FOS: Physical sciences #Quantum Gases (cond-mat.quant-gas) #Quantum Physics (quant-ph) #cond-mat.quant-gas #quant-ph
paper · pdf · doi:10.48550/arxiv.1607.02199
13 pages, 4 figures, submitted to Phys. Rev. A
arxiv created 2016/07/08 · arxiv updated 2016/07/11
In this article, we investigate the dissipative dynamics of a Fermi gas trapped in a three-site optical lattice exposed to a fermionic environment. The lattice sites admit at most one spin-up and one spin-down particle at a time and its interaction with the fermionic environment cause particles to either be trapped by or expelled from it. It is then shown that apart from each lattice site being populated by at least one particle, spin exchange is observed, which allows the possibility for the system to be used to encrypt information via quantum cryptography. Furthermore, we also observe entanglement among the lattice sites, denoting that transport of quantum information among particles is possible in this ultracold atomic system.