Effective quantum dynamics of interacting systems with inhomogeneous coupling

C. E. López, H. Christ, J. C. Retamal, and E. Solano
Phys. Rev. A 75, 033818 – Published 29 March 2007

Abstract

We study the quantum dynamics of a single mode (particle) interacting inhomogeneously with a large number of particles and introduce an effective approach to find the accessible Hilbert space, where the dynamics takes place. Two relevant examples are given: the inhomogeneous Tavis-Cummings model (e.g., N atomic qubits coupled to a single cavity mode, or to a motional mode in trapped ions) and the inhomogeneous coupling of an electron spin to N nuclear spins in a quantum dot.

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  • Received 16 October 2006

DOI:https://doi.org/10.1103/PhysRevA.75.033818

©2007 American Physical Society

Authors & Affiliations

C. E. López1, H. Christ2, J. C. Retamal1, and E. Solano2,3,4

  • 1Departamento de Física, Universidad de Santiago de Chile, Casilla 307 Correo 2, Santiago, Chile
  • 2Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, D-85748 Garching, Germany
  • 3Physics Department, ASC, and CeNS, Ludwig-Maximilians-Universität, Theresienstrasse 37, 80333 Munich, Germany
  • 4Departamento de Ciencias, Sección Física, Pontificia Universidad Católica del Perú, Apartado 1761, Lima, Peru

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Vol. 75, Iss. 3 — March 2007

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