Nonequilibrium spin glass state in optical systems with coherence

B. E. Vugmeister, H. Rabitz

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

We show that in a system of randomly distributed optically active atoms with quantum coherence, a nonequilibrium dipole spin glass state can be realized due to resonant dipole-dipole interactions. The proposed nonequilibrium spin glass state corresponds to the noncoherent steady state oscillations of the dipole moments of the atoms. We argue that such a situation can be achieved in a steady state for three level A systems showing the vanishing imaginary part of the polarizability near the resonance frequency. The critical concentration of the spin glass transition is estimated with the use of local mean field equations and computer simulations applied to dipole-dipole interactions.

Original languageEnglish (US)
Pages (from-to)129-134
Number of pages6
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume232
Issue number1-2
DOIs
StatePublished - Jul 21 1997

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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