Superfluid-Insulator Transition in a Periodically Driven Optical Lattice

André Eckardt, Christoph Weiss, and Martin Holthaus
Phys. Rev. Lett. 95, 260404 – Published 21 December 2005

Abstract

We demonstrate that the transition from a superfluid to a Mott insulator in the Bose-Hubbard model can be induced by an oscillating force through an effective renormalization of the tunneling matrix element. The mechanism involves adiabatic following of Floquet states, and can be tested experimentally with Bose-Einstein condensates in periodically driven optical lattices. Its extension from small to very large systems yields nontrivial information on the condensate dynamics.

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  • Received 16 August 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.260404

©2005 American Physical Society

Authors & Affiliations

André Eckardt, Christoph Weiss, and Martin Holthaus

  • Institut für Physik, Carl von Ossietzky Universität, D-26111 Oldenburg, Germany

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Issue

Vol. 95, Iss. 26 — 31 December 2005

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