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[½»Á÷] Matthias Weidem¨¹ller¹ØÓÚÀäÔ­×ÓµÄ×ÛÊö

Heteronuclear Efimov resonances in ultracold quantum gases

Juris Ulmanis, Stephan Hӓfner, Eva D. Kuhnle and Matthias Weidem¨¹ller

È«ÎÄÁ´½Ó£ºhttp://nsr.oxfordjournals.org/content/3/2/174.full

ABSTRACT
The Efimov scenario is a universal three-body effect addressing many areas of modern quantum physics. It
plays an important role in the transition between few- and many-body physics and has enabled important
breakthroughs in the understanding of the universal few-body theory.We review the basic concepts of the
Efimov scenario with specific emphasis on the similarities and differences between homonuclear and
heteronuclear systems. In the latter scenario, the existence of a second, independently tunable interaction
parameter enables novel few-body phenomena that are universal and have no counterexamples in the
homonuclear case. We discuss recent experimental approaches using ultracold atomic gases with
magnetically tunable interactions and elucidate the role of short-range interactions in the emergence of
universal and non-universal behavior.

Keywords: Efimov resonances, few-body physics, Feshbach resonances, ultracold atoms, resonant
scattering

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  • ¸½¼þ 1 : Natl_Sci_Rev-2016-Ulmanis-174-88.pdf
  • 2016-12-28 14:18:02, 1014.39 K

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