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Bath-Optimized Minimal-Energy Protection of Quantum Operations from Decoherence

Source: Phys. Rev. Lett. 104, 040401 (2010); doi:10.1103/PhysRevLett.104.040401

Published 25 January 2010

PACS
  • 03.65.Yz
    Decoherence; open systems; quantum statistical methods
  • 02.70.-c
    Computational techniques; simulations
  • 03.67.Pp
    Quantum error correction and other methods for protection against decoherence
  • YEAR: 2010
PUBLICATION DATA
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Jens Clausen, Guy Bensky, and Gershon Kurizki
Department of Chemical Physics, Weizmann Institute of Science, Rehovot, 76100, Israel
We put forward a general strategy for dynamic control that ensures bath-optimized fidelity of a desired multidimensional quantum operation in the presence of non-Markovian baths and noises with stationary autocorrelations. It benefits from the vast freedom of arbitrary, not just pulsed, time-dependent control. This allows the dramatic reduction of the invested energy and the corresponding error compared to pulsed control. ©2010 The American Physical Society
History: Received 23 September 2009; published 25 January 2010
Permalink: http://link.aps.org/abstract/PRL/v104/e040401
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