Particle statistics and lossy dynamics of ultracold atoms in optical lattices

Yago Malo, J. and van Nieuwenburg, E. P. L. and Fischer, M. H. and Daley, A. J. (2018) Particle statistics and lossy dynamics of ultracold atoms in optical lattices. Physical Review A, 97 (5). 053614. ISSN 2469-9926 (

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Experimental control over ultracold quantum gases has made it possible to investigate low-dimensional systems of both bosonic and fermionic atoms. In closed one-dimensional systems there are many similarities in the dynamics of local quantities for spinless fermions and strongly interacting "hard-core" bosons, which on a lattice can be formalized via a Jordan-Wigner transformation. In this study, we analyze the similarities and differences for spinless fermions and hard-core bosons on a lattice in the presence of particle loss. The removal of a single fermion causes differences in local quantities compared with the bosonic case because of the different particle exchange symmetry in the two cases. We identify deterministic and probabilistic signatures of these dynamics in terms of local particle density, which could be measured in ongoing experiments with quantum gas microscopes.


Yago Malo, J. ORCID logoORCID:, van Nieuwenburg, E. P. L., Fischer, M. H. and Daley, A. J. ORCID logoORCID:;