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Phase evolution of superposition target states in adiabatic population transfer

Eli Morhayim*,†, Michael T. Ziemba*, J. Lim‡, and B. E. Sauer§

  • Centre for Cold Matter, Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United Kingdom

  • *These authors contributed equally to this work.
  • †Present address: Corpus Christi College, Oxford, OX1 4JF, United Kingdom.
  • ‡Contact author: j.lim@imperial.ac.uk
  • §Contact author: ben.sauer@imperial.ac.uk
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Phys. Rev. A 113, 053716 – Published 18 May, 2026

DOI: https://doi.org/10.1103/qlzj-kbjm

Abstract

We consider stimulated Raman adiabatic passage when the final state is a superposition of two nondegenerate states. The system consists of four states coupled by two light fields. We find the relative phase of the final superposition depends on the relative amplitude, width, and timing of the adiabatic transfer pulses. We discuss these results in the context of experiments measuring symmetry violation in atomic and molecular systems.

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Phys. Rev. A 113, 053716– Published 18 May, 2026
  • Received 1 December 2025
  • Accepted 9 April 2026
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