Holonomic quantum computation with the Aharonov-Casher setup associated with topological defects

  • Authors:

  • Knut Bakke;Claudio Furtado

  • Affiliations:

  • Department of Physics, University of Oxford, Clarendon Laboratory, Oxford, UK and Departamento de Física, Universidade Federal da Paraíba, João Pessoa, Brazil;Departamento de Física, Universidade Federal da Paraíba, João Pessoa, Brazil

  • Venue:
  • Quantum Information & Computation
  • Year:
  • 2011

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Abstract

In this work, we propose a new formulation allowing to realize the holonomic quantum computation with neutral particles with a permanent magnetic dipole moments interacting with an external electric field in the presence of a topological defect. We show that both the interaction of the electric field with the magnetic dipole moment and the presence of topological defect generate independent contributions to the geometric quantum phases which can be used to describe any arbitrary rotation on the magnetic dipole moment without using the adiabatic approximation.