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The European Physical Journal Special Topics

, Volume 227, Issue 3–4, pp 353–363 | Cite as

Exact spin-orbit qubit manipulation

  • Anton RamšakEmail author
  • Tilen Čadež
  • Ambrož Kregar
  • Lara Ulčakar
Regular Article
Part of the following topical collections:
  1. Quantum Systems In and Out of Equilibrium - Fundamentals, Dynamics and Applications

Abstract

We consider exactly solvable manipulation of spin-qubits confined in a moving harmonic trap and in the presence of the time dependent Rashba interaction. Non-adiabatic Anandan phase for cyclic time evolution is compared to the Wilczek-Zee adiabatic counterpart. It is shown that the ratio of these two phases can for a chosen system be any real number. Next we demonstrate the possibility of arbitrary qubit transformation in a ring with spin-orbit interaction. Finally, we present an example of exact analysis of spin-orbit dynamics influenced by the Ornstein-Uhlenbeck coloured noise.

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Copyright information

© EDP Sciences and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Anton Ramšak
    • 1
    • 2
    Email author
  • Tilen Čadež
    • 3
  • Ambrož Kregar
    • 4
    • 5
  • Lara Ulčakar
    • 2
  1. 1.Faculty of Mathematics and Physics, University of LjubljanaLjubljanaSlovenia
  2. 2.Jožef Stefan InstituteLjubljanaSlovenia
  3. 3.Beijing Computational Science Research CenterBeijingP.R. China
  4. 4.Faculty of Education, University of LjubljanaLjubljanaSlovenia
  5. 5.Faculty of Mechanical Engineering, University of LjubljanaLjubljanaSlovenia

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