Presentation Title

Operationally accessible entanglement of 1D spinless fermions

Project Collaborators

Hatem Barghathi & Adrian Del Maestro

Abstract

The constituents of a quantum many-body system can be inextricably linked, a phenomenon known as quantum entanglement. Entanglement can be used as a resource for quantum computing and detecting phase transitions. It can be quantified via the von Neumann and Rényi entropies. Particle number superselection rules restrict the amount of entanglement that can be accessed as a resource. In this work, the accessible entanglement between spatial subregions of a 1D lattice of spinless fermions is quantified. Exact diagonalization results confirm the feasibility of the accessible entanglement entropy as a probe to detect quantum phase transitions.

Primary Faculty Mentor Name

Adrian Del Maestro

Status

Graduate

Student College

College of Arts and Sciences

Program/Major

Physics

Primary Research Category

Engineering & Physical Sciences

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Operationally accessible entanglement of 1D spinless fermions

The constituents of a quantum many-body system can be inextricably linked, a phenomenon known as quantum entanglement. Entanglement can be used as a resource for quantum computing and detecting phase transitions. It can be quantified via the von Neumann and Rényi entropies. Particle number superselection rules restrict the amount of entanglement that can be accessed as a resource. In this work, the accessible entanglement between spatial subregions of a 1D lattice of spinless fermions is quantified. Exact diagonalization results confirm the feasibility of the accessible entanglement entropy as a probe to detect quantum phase transitions.