Dispersion and wave-function symmetry in cold atoms experiencing artificial gauge fields

We analyze the single-particle quantum mechanics of an atom whose dispersion is modified by spin-orbit coupling to Raman lasers. Such a setup can create a double-well-shaped dispersion, which leads to unusual single-particle physics. We show how this dispersion influences the symmetry of the ground-...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2012-01, Vol.85 (1), Article 013641
Main Authors: Yanay, Yariv, Mueller, Erich
Format: Article
Language:English
Subjects:
Cold atoms
Coupling (molecular)
Dispersions
Quantum mechanics
Raman lasers
Square wells
Symmetry
Wave functions
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Summary:We analyze the single-particle quantum mechanics of an atom whose dispersion is modified by spin-orbit coupling to Raman lasers. Such a setup can create a double-well-shaped dispersion, which leads to unusual single-particle physics. We show how this dispersion influences the symmetry of the ground-state wave function in different physical-space potentials, including a square well, a harmonic well, and a double well.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.85.013641