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About Me

I enrolled in Huazhong University of Science and Technology in 1988 and got my B.S. degree of physics in 1991. From 1991 to 1995, I continued my studies in physics in Institute of Theoretical Physics, Academia Sinica, and got my M.S. degree in 1994. From fall 1995 to Spring 2001, I studied at Physics Department of The University of Texas at Austin and got my Ph.D. degree in May 2001. From July 2000 to December 2000, I worked as a Co-op student (my plasma etch work)   in Texas instrument . Then I worked for Fujitsu Microelectronics Inc. as a Yield Enhancement Engineer with flash memory device in Portland, Oregon. Currently I am working for Chongqing University of Posts and Telecommunications in China. I am also a junior associate member of the Abdus Salam International Center for Theoretical Physics.

My daugter was born on October 18, 2001 in Portland and my son was born on July 27, 2003 in Beaverton.

Some Interesting Places.

• A List of World Universities
• Physical Journals
• Collections of Preprint 1 , 2 , 3
• Chinese Newspapers 

Research Interests

Cosmology: Inflation-In 1980s, Alan Guth proposed the inflationary scenario, i.e., the Universe experienced a period of expansion with acceleration  in early times to solve the problems encountered in the standard big bang cosmology. Inflationary models predict that the geometry of the universe is flat. Inflation models also give good explanations on primordial density fluctuations which seed the formation of large scale structure. Recently WMAP data makes it possible to test inflationary models more precisely. dark energy-In 1998, the SCP and HZT groups independently discovered the evidence that the Universe is in a phase of accelerating expansion. The simplest explanation of this phenomenon is to introduce the cosmological constant. To avoid the cosmological constant problem, a type of anti-gravity force is usually invoked to explain an accelerating universe. The models are called dark energy models.

Recent Selected Publications

Search all of my publications at Arxiv.org

1. Yungui Gong, Qiang Wu and Anzhong Wang, Dark energy and cosmic curvature: Monte-Carlo Markov Chain approach, Astrophys. J. 681 (2008) 27-39 (arXiv: 0708.1817)
2. Yungui Gong and Anzhong Wang, The Friedmann equations and thermodynamics of apparent horizons, Phys. Rev. Lett. 99 (2007) 211301 (arXiv: 0704.0793).
3. Yungui Gong, Anzhong Wang, Qiang Wu and Yuan-Zhong Zhang, Direct evidence of acceleration from distance modulus redshift graph, J. Cosmol. and Astropart. Phys. JCAP 0708 (2007) 018 (astro-ph/0703583).
4. Yungui Gong and Anzhong Wang, Reconstruction of the deceleration parameter and the equation of state of dark energy, Phys. Rev. D 75 (2007) 043520 (astro-ph/0612196).
5. Yungui Gong, Anzhong Wang and Yuan-Zhong Zhang, Exact scaling solutions and fixed points for general scalar field, Phys. Lett. B 636 (2006) 286 (gr-qc/0603050).
6. Bin Wang, Yungui Gong and Elcio Abdalla, Transition of the dark energy equation of state in an interacting holographic dark energy model, Phys. Lett. B 624 (2005) 141 (hep-th/0506069).
7. Yungui Gong, Bin Wang and Yuan-Zhong Zhang, The Holographic dark energy reexamined, Phys. Rev. D 72 (2005) 043510 ( hep-th/0412218).
8. Yungui Gong, Observational constraints on dark energy model, Int. J. Mod. Phys. D 14 (2005) 599 (astro-ph/0401207 ).
9. Yungui Gong, Model independent analysis of dark energy: Supernova fitting result, Class. Quantum Grav. 22 (2005) 2121 (astro-ph/0405446).
10. Yungui Gong, Extended Holographic dark energy, Phys. Rev. D 70 (2004) 064029 (hep-th/0404030).
11. Yungui Gong and Chang-Kui Duan, Supernova constraints on alternative models to dark energy, Mon. Not. Roy. Astron. Soc. 352 (2004) 847 (astro-ph/0401530).
12. Qing-Guo Huang and Yungui Gong, Supernova Constraints on a holographic dark energy, J. of Cosmol. Astropart. Phys. JCAP 0408 (2004) 006 (astro-ph/0403590).

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