科学前沿报告会
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《科学前沿报告会》 第292期

发布日期:2015-04-23     点击量:
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科学前沿报告会(292)

报告题目

Orbital Feshbach resonance in Alkali-Earth Atoms

报 告 人

张芃教授

中国人民大学物理系

报告地点

物理楼西楼412会议室

报告时间

2015年4月23日 (星期四)上午10:00-11:30

联 系 人

肖云峰 (62765512)

报告摘要

For a mixture of alkali-earth atomic gas in the long-lived excited state 3P0 and ground state 1S0, in addition to nuclear spin, another "orbital" index is introduced to distunguish these two internal states. We propose a mechanism to induce Feshbach resonance between two atoms with different orbital and nuclear spin quantum numbers. Two essential ingredients are inter-orbital spin-exchanging scattering and orbital dependence of hte Land e g-factors. Here the orbital degrees of freedom plays similar role as electron spin degree of freedom in magnetic Feshbach resonance in alkali-metal atoms. This resonance is particularly accessible for 173Yb system.

 

报告人简介:

Education Experience:

09/1995-07/1999 Beijing Normal University, Bachelor of Science

09/1999-03/2005 Institute of Teoretical Physics, CAS, PhD

Working Experience:

05/2004-06/2004 The University of Hong Kong, Visiting Student

04/2005-09/2007 Georgia Institute of Technology Posdoctoral Fellow

10/2007-09/2010 UEDA Macroscopic Quantum Control Project, Postdoctoral Fellow

10/2010-now Professor in Physics department, Renmin University of China

Research interest:

a.Few-body problems in ultracold atom physics.

b.Quantum optics

 

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