Digital Quantum Simulation of Z2 Lattice Gauge Theories with Dynamical Fermionic Matter

Erez Zohar, Alessandro Farace, Benni Reznik, and J. Ignacio Cirac
Phys. Rev. Lett. 118, 070501 – Published 17 February 2017
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Abstract

We propose a scheme for digital quantum simulation of lattice gauge theories with dynamical fermions. Using a layered optical lattice with ancilla atoms that can move and interact with the other atoms (simulating the physical degrees of freedom), we obtain a stroboscopic dynamics which yields the four-body plaquette interactions, arising in models with (2+1) and higher dimensions, without the use of perturbation theory. As an example we show how to simulate a Z2 model in (2+1) dimensions.

  • Figure
  • Received 13 July 2016

DOI:https://doi.org/10.1103/PhysRevLett.118.070501

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalCondensed Matter, Materials & Applied PhysicsParticles & FieldsGeneral PhysicsQuantum Information, Science & Technology

Authors & Affiliations

Erez Zohar1, Alessandro Farace1, Benni Reznik2, and J. Ignacio Cirac1

  • 1Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Straße 1, 85748 Garching, Germany
  • 2School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel-Aviv 69978, Israel

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Issue

Vol. 118, Iss. 7 — 17 February 2017

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