Search Results for author: Hatem Barghathi

Found 4 papers, 4 papers with code

Theory of Non-Interacting Fermions and Bosons in the Canonical Ensemble

1 code implementation30 Jul 2020 Hatem Barghathi, Jiangyong Yu, Adrian Del Maestro

We present a self-contained theory for the exact calculation of particle number counting statistics of non-interacting indistinguishable particles in the canonical ensemble.

Statistical Mechanics Quantum Gases

Equivalence of Spatial and Particle Entanglement Growth After a Quantum Quench

2 code implementations20 Dec 2019 Adrian Del Maestro, Hatem Barghathi, Bernd Rosenow

We analyze fermions after an interaction quantum quench in one spatial dimension and study the growth of the steady state entanglement entropy density under either a spatial mode or particle bipartition.

Statistical Mechanics

Operationally accessible entanglement of one dimensional spinless fermions

1 code implementation8 May 2019 Hatem Barghathi, Emanuel Casiano-Diaz, Adrian Del Maestro

Throughout the phase diagram, we discuss the connection between the accessible entanglement entropy and the variance of the probability distribution describing intra-subregion particle number fluctuations.

Quantum Physics Quantum Gases

Rényi generalization of the operational entanglement entropy

2 code implementations3 Apr 2018 Hatem Barghathi, C. M. Herdman, Adrian Del Maestro

Operationally accessible entanglement in bipartite systems of indistinguishable particles could be reduced due to restrictions on the allowed local operations as a result of particle number conservation.

Quantum Gases Quantum Physics

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