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Title: Spinor atom-molecule conversion via laser-induced three-body recombination

Abstract

We study the theory of several aspects of the dynamics of coherent atom-molecule conversion in spin-one Bose-Einstein condensates. Specifically, we discuss how, for a suitable dark-state condition, the interplay of spin-exchange collisions and photo association leads to the stable creation of an atom-molecule pair from three initial spin-zero atoms. This process involves two two-body interactions and can be intuitively viewed as an effective three-body recombination. We investigate the relative roles of photo association and of the initial magnetization in the 'resonant' case, where the dark-state condition is perfectly satisfied. We also consider the 'nonresonant' case, where that condition is satisfied either only approximately - the so-called adiabatic case - or not at all. In the adiabatic case, we derive an effective nonrigid pendulum model that allows one to conveniently discuss the onset of an antiferromagnetic instability in an 'atom-molecule pendulum', as well as large-amplitude pair oscillations and atom-molecule entanglement.

Authors:
 [1];  [1];  [2]
  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)
Publication Date:
OSTI Identifier:
21544662
Resource Type:
Journal Article
Journal Name:
Physical Review. A
Additional Journal Information:
Journal Volume: 83; Journal Issue: 4; Other Information: DOI: 10.1103/PhysRevA.83.043601; (c) 2011 American Institute of Physics; Journal ID: ISSN 1050-2947
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ANTIFERROMAGNETISM; ATOM-MOLECULE COLLISIONS; ATOMS; BOSE-EINSTEIN CONDENSATION; CONVERSION; LASERS; MAGNETIZATION; MOLECULES; OSCILLATIONS; QUANTUM ENTANGLEMENT; RECOMBINATION; SPIN; SPIN EXCHANGE; THREE-BODY PROBLEM; TWO-BODY PROBLEM; ANGULAR MOMENTUM; ATOM COLLISIONS; COLLISIONS; MAGNETISM; MANY-BODY PROBLEM; MOLECULE COLLISIONS; PARTICLE PROPERTIES

Citation Formats

Jing, H, B2 Institute, Department of Physics and College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, Deng, Y, and Meystre, P. Spinor atom-molecule conversion via laser-induced three-body recombination. United States: N. p., 2011. Web. doi:10.1103/PHYSREVA.83.043601.
Jing, H, B2 Institute, Department of Physics and College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, Deng, Y, & Meystre, P. Spinor atom-molecule conversion via laser-induced three-body recombination. United States. https://doi.org/10.1103/PHYSREVA.83.043601
Jing, H, B2 Institute, Department of Physics and College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, Deng, Y, and Meystre, P. 2011. "Spinor atom-molecule conversion via laser-induced three-body recombination". United States. https://doi.org/10.1103/PHYSREVA.83.043601.
@article{osti_21544662,
title = {Spinor atom-molecule conversion via laser-induced three-body recombination},
author = {Jing, H and B2 Institute, Department of Physics and College of Optical Sciences, University of Arizona, Tucson, Arizona 85721 and Deng, Y and Meystre, P},
abstractNote = {We study the theory of several aspects of the dynamics of coherent atom-molecule conversion in spin-one Bose-Einstein condensates. Specifically, we discuss how, for a suitable dark-state condition, the interplay of spin-exchange collisions and photo association leads to the stable creation of an atom-molecule pair from three initial spin-zero atoms. This process involves two two-body interactions and can be intuitively viewed as an effective three-body recombination. We investigate the relative roles of photo association and of the initial magnetization in the 'resonant' case, where the dark-state condition is perfectly satisfied. We also consider the 'nonresonant' case, where that condition is satisfied either only approximately - the so-called adiabatic case - or not at all. In the adiabatic case, we derive an effective nonrigid pendulum model that allows one to conveniently discuss the onset of an antiferromagnetic instability in an 'atom-molecule pendulum', as well as large-amplitude pair oscillations and atom-molecule entanglement.},
doi = {10.1103/PHYSREVA.83.043601},
url = {https://www.osti.gov/biblio/21544662}, journal = {Physical Review. A},
issn = {1050-2947},
number = 4,
volume = 83,
place = {United States},
year = {Fri Apr 15 00:00:00 EDT 2011},
month = {Fri Apr 15 00:00:00 EDT 2011}
}