Slow-light probe of Fermi pairing through an atom-molecule dark state

Journal Article · Wed Jun 15 00:00:00 EDT 2011 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.83.063605· OSTI ID:21550150

Jing, H ^[1]; Deng, Y ^[1]; Meystre, P ^[2]

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1. Department of Physics, Henan Normal University, Xinxiang 453007 (China)
2. B2 Institute, Department of Physics and College of Optical Sciences, University of Arizona, Tucson, Arizona 85721 (United States)

We consider the two-color photoassociation of a quantum degenerate atomic gas into ground-state diatomic molecules via a molecular dark state. This process can be described in terms of a {Lambda} level scheme that is formally analogous to the situation in electromagnetically induced transparency in atomic systems and therefore can result in slow-light propagation. We show that the group velocity of the light field depends explicitly on whether the atoms are bosons or fermions, as well as on the existence or absence of a pairing gap in the case of fermions, so that the measurement of the group velocity realizes a nondestructive diagnosis of the atomic state and the pairing gap.

• OSTI ID: 21550150
• Journal Information: Physical Review. A, Vol. 83, Issue 6; Other Information: DOI: 10.1103/PhysRevA.83.063605; (c) 2011 American Institute of Physics; ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ATOM-MOLECULE COLLISIONS
ATOMS
BOSONS
ENERGY LEVELS
FERMIONS
LIGHT TRANSMISSION
NONDESTRUCTIVE TESTING
OPACITY
PAIRING INTERACTIONS
PROBES
VELOCITY
VISIBLE RADIATION
ATOM COLLISIONS
COLLISIONS
ELECTROMAGNETIC RADIATION
INTERACTIONS
MATERIALS TESTING
MOLECULE COLLISIONS
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
RADIATIONS
TESTING
TRANSMISSION