磁性和超导理论. 主要从事近藤问题, 高温超导的磁性起源, 共振共价键理论和量子临界现象方面的研究.

主要工作:

1. Li Huan, Guo W , and Han R-S , “Effect of spin polarization on Zhang-Rice state”, Journal of Superconductivity and Novel Magnetism, accepted (2009)

2. Guo W, Wang L K, Han R-S , “Copper site nuclear spin relaxation anomaly and the Knight shift”, International Journal of Modern Physics B 21, 3143 (2007)

3. Guo W, Yin X G , Han R-S , “The resonating valence bond state in high Tc superconductors”, International Journal of Modern Physics B 21, 3112 (2007)

4. Guo W, Duan Lisong , Han R-S , “Spin liquid state and the time reversal symmetry breaking in Bi₂Sr₂CaCu₂O_8+x, International Journal of Modern Physics B 19, 63 (2005)

5. 韩汝珊, 郭卫, “高温超导体的电子结构, 反铁磁交换和磁性超导机制”, 2003 《物理》32; 673

6. Guo W, Han R-S, “From charge transfer type insulator to superconductor”, International Journal of Modern Physics B 17, 3347( 2003 )

7. Guo W, Han R-S, Zheng Yi , “Spin pairing and excitations in high Tc superconductors”, Chin. Phys. Lett. 19, 1687(2002).

8. Guo W, Han R-S, “Spin pairing: The magnetic origin of high Tc superconductivity”, Physica C 364-365. 79(2001)

9. Guo W, Han R-S, “Spin pairing and the phase diagram of high Tc superconductors”, Chin. Phys. Lett. 19, 1687(2001)

10. Guo W, Han R-S, “The time-reversal symmetry breaking: Evidence for spin pairing in high Tc superconductors”, Chin. Phys. Lett. 18, 584(2001)

11. Guo W, Han R-S, “Spin pairing in high Tc superconductors”, Chin. Phys. Lett. 18, 103(2001)

12. Guo W, Levy P M, “Two particle scattering contributions to the extraordinary Hall effect in Kondo type systems”, Phys. Rev. B39, 952(1989)

13. Guo W, Levy P M, “Conductivity of Kondo-type systems in the presence of crystal fields” Phys. Rev. B37, 6676(1988)