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Dynamical equations of quantum information and interference

Author

Listed:
  • Qiao, Bi
  • Ruda, H.E.
  • Zhou, Z.D.

Abstract

Several dynamical equations for quantum information density (QID) in an open quantum electrodynamic system are studied. We discuss extending the kinetic equation of QID to the domain of quantum fields. To do this, we start from the Schwinger–Tomonaga equation and related kinetic equations for QID in an open quantum electrodynamic system by combining approaches of quantum field theory and Liouville equation. The property of evolution of QID by studying the evolution of density operator is also studied in an quantum interference model based on hexagonal nanowire loop.

Suggested Citation

  • Qiao, Bi & Ruda, H.E. & Zhou, Z.D., 2006. "Dynamical equations of quantum information and interference," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 364(C), pages 170-182.
  • Handle: RePEc:eee:phsmap:v:364:y:2006:i:c:p:170-182
    DOI: 10.1016/j.physa.2005.08.081
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    1. Qiao, Bi & Xing, X.S. & Ruda, H.E., 2005. "Kinetic equations for quantum information," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 355(2), pages 319-332.
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