Coherent Population Trapping in Two-Electron Three-Level Systems with Aligned Spins

Jordi Mompart, Ramon Corbalan, and Luis Roso
Phys. Rev. Lett. 88, 023603 – Published 21 December 2001
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Abstract

The possibility of coherent population trapping in two electron states with aligned spins (orthosystem) is evidenced. From the analysis of a three-level atomic system containing two electrons, and driven by the two laser fields needed for coherent population trapping, a conceptually new kind of dark state appears. The properties of this trapping are physically interpreted in terms of a dark hole, instead of a dark two-electron state. This technique, among many other applications, offers the possibility of measuring, with subnatural resolution, some superposition-state matrix elements of the electron-electron correlation that due to their time dependent nature are inaccessible by standard measuring procedures.

  • Received 25 July 2001

DOI:https://doi.org/10.1103/PhysRevLett.88.023603

©2001 American Physical Society

Authors & Affiliations

Jordi Mompart1, Ramon Corbalan1, and Luis Roso1,2

  • 1Departament de Física, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Spain
  • 2Departamento de Fisica Aplicada, Universidad de Salamanca, E-37008 Salamanca, Spain

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Issue

Vol. 88, Iss. 2 — 14 January 2002

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