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俞振华

单位:物理与天文学院

研究方向:冷原子物理,精密测量物理

个人主页: http://spa.sysu.edu.cn/cn/faculty/91


个人简介: 

俞振华主要从事冷原子物理的理论研究,并探索冷原子体系在精密测量等方面的应用。其研究成果包括:1. 给出了强相互作用费米气体关联性质的自洽计算,弥补了以往非自洽计算破坏守恒律的缺陷。2. 建立了描述光频原子钟碰撞频移的赝自旋理论,解释了美国国家标准与技术研究院叶军实验组的观察结果,纠正了以往普遍认为费米原子钟不会有碰撞频移的错误观念。3. 建立了描述谐振腔中基于原子密度关联等超辐射理论。4. 揭示了三体“super Efimov”效应量子力学的基本理解。5. 建立了p波共振气体的接触关联及其动力学理论。


教育背景: 

1999.9-2003.7,复旦大学物理系,理学学士。

2003.8-2008.8,美国伊利诺伊大学香槟分校物理系,理学博士。


职业经历: 

2008.9-2010.8,丹麦玻尔研究所, 博士后。

2010.9-2010.10,清华大学高等研究院,访问学者。

2010.11-2011.10,美国俄亥俄州立大学物理系,博士后。

2012.2-2016.6,清华大学高度研究院,副研究员。

2016.7-至今,中山大学物理与天文学院,教授,博士生导师。


代表性论文: 

1. Evidence for universal relations describing a gas with p-wave interactions, Nature Physics 12, 599 (2016), C. Luciuk, S. Trotzky, S. Smale, Zhenhua Yu, Shizhong Zhang, and J.H. Thywissen.

2. Quantum Phase Transitions of the Bose-Hubbard Model inside a Cavity,Phys. Rev. A 93, 041601(R) (2016), Chen Yu, Zhenhua Yu, and Zhai Hui.

3. Evidence for correlated states in a cluster of bosons with Rashba spin-orbit coupling, New J. of Phys. 18, 025002 (2016), Zhihao Xu, Zhenhua Yu, and Shizhong Zhang.

4. Universal Relations of a Fermi Gas Close to a p-Wave Interaction Resonance, Phys. Rev. Lett. 115, 135304 (2015), Zhenhua Yu, Joseph H. Thywissen, and Shizhong Zhang.

5. Revealing the origin of super-Efimov states in the hyperspherical formalism, Phys. Rev. A 92, 020504(R) (2015), Chao Gao, Jia Wang, and Zhenhua Yu.

6. Superradiance of Degenerate Fermi Gases in a Cavity, Phys. Rev. Lett. 112, 143004 (2014), Yu Chen, Zhenhua Yu, and Hui Zhai.

7. Itinerant Ferromagnetism in a polarized two-component Fermi gas, Phys. Rev. Lett. 110, 230401 (2013), Pietro Massignan, Zhenhua Yu, and Georg M. Bruun.

8.Short range asymptotic behavior of the wave-functions of interacting spin-half fermionic atoms with spin-orbit coupling: a model study, Phys. Rev. A 87, 032703 (2013), Yuxiao Wu, and Zhenhua Yu.

9. Breathing mode of two-dimensional atomic Fermi gases in harmonic traps, Phys. Rev. A 86, 043609 (2012), Chao Gao and Zhenhua Yu.

10. Short-range correlations in dilute atomic Fermi gases with spin-orbit coupling, Phys. Rev. A 85, 042711 (2012), Zhenhua Yu.

11. Clock shifts of optical transitions in ultracold atomic gases, Phys. Rev. Lett. 104, 010801 (2010), Zhenhua Yu, C.J. Pethick.

12. Short-range correlations and entropy in ultracold atomic Fermi gases, Phys. Rev. A 80, 023615 (2009), Zhenhua Yu, Georg M. Bruun, Gordon Baym.

13.Coherence and clock shifts in ultracold Fermi gases with resonant interactions, Phys. Rev. Lett. 99, 190407 (2007), Gordon Baym, C. J. Pethick, Zhenhua Yu, Martin W. Zwierlein.

14. Spin-correlation functions in ultracold paired atomic-fermion systems: sum rules, self-consistent approximations, and mean fields, Phys. Rev. A 73, 063601 (2006), Zhenhua Yu, Gordon Baym.

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