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Magnetic-Field-Driven Localization of Light in a Cold-Atom Gas

Abstract : We discover a transition from extended to localized quasimodes for light in a gas of immobile two-level atoms in a magnetic field. The transition takes place either upon increasing the number density of atoms in a strong field or upon increasing the field at a high enough density. It has many characteristic features of a disorder-driven (Anderson) transition but is strongly influenced by near-field interactions between atoms and the anisotropy of the atomic medium induced by the magnetic field.
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https://hal.archives-ouvertes.fr/hal-01345442
Contributor : Sergey Skipetrov <>
Submitted on : Wednesday, July 13, 2016 - 5:12:11 PM
Last modification on : Tuesday, December 8, 2020 - 10:51:10 AM

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Sergey Skipetrov, I. M. Sokolov. Magnetic-Field-Driven Localization of Light in a Cold-Atom Gas. Physical Review Letters, American Physical Society, 2015, 114, pp.053902. ⟨10.1103/PhysRevLett.114.053902⟩. ⟨hal-01345442⟩

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