Markovian semigroup from non-Markovian evolutions

Filip A. Wudarski and Dariusz Chruściński
Phys. Rev. A 93, 042120 – Published 26 April 2016

Abstract

It is shown that a convex combination of two non-Markovian evolutions may lead to a Markovian semigroup. This shows that the convex combination of quantum evolutions displaying nontrivial memory effects may result in a perfectly memoryless evolution.

  • Figure
  • Figure
  • Received 7 March 2016

DOI:https://doi.org/10.1103/PhysRevA.93.042120

©2016 American Physical Society

Physics Subject Headings (PhySH)

General Physics

Authors & Affiliations

Filip A. Wudarski

  • Quantum Research Group, School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa and National Institute for Theoretical Physics (NITheP), KwaZulu-Natal, South Africa

Dariusz Chruściński

  • Institute of Physics, Faculty of Physics, Astronomy and Informatics and Nicolaus Copernicus University, Grudziadzka 5/7, 87–100 Torun, Poland

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Issue

Vol. 93, Iss. 4 — April 2016

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