期刊
PHYSICAL REVIEW A
卷 84, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.84.043401
关键词
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资金
- US Department of Commerce, National Institute of Standards and Technology
- National Science Foundation under Physics Frontiers Center [PHY-0822671]
- Department of Science and Technology, India
Using first-principles calculations, we identify tune-out optical wavelengths, lambda(zero), for which the ground-state frequency-dependent polarizabilities of alkali-metal atoms vanish. Our approach uses high-precision, relativistic all-order method in which all single, double, and partial triple excitations of the Dirac-Fock wave functions are included to all orders of perturbation theory. We discuss the use of tune-out wavelengths for sympathetic cooling in two-species mixtures of alkali metals with group II and other elements of interest. Special cases in which these wavelengths coincide with strong resonance transitions in a target system are identified.
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