Hopping anisotropy and energy spectrum of two-dimensional tight-binding electrons

Journal of the Korean Physical Society

Volumn 29, Issue 2, 1996, Pages 261-265

  Oh, G Y ^a   Jang, J ^a   Lee, M H ^b  

^a Kyung Hee University   (South Korea)

^b Seoul National University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000622714     PISSN: 03744884     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. P. G. Harper, Proc. Phys. Soc. London A 68, 874 (1955);
2. M. Ya Azbel, Zh. Eksp. Teor. Fiz. 46, 929 (1964)
3. [Sov. Phys. JETP 19, 634 (1964);
4. D. R. Hofstadter, Phys. Rev. B 14, 2239 (1976);
5. A. H. MacDonald, ibid. 28, 6713 (1983).
6. D. J. Thouless, M. Kohmoto, P. Nightingale and M. den. Nijs, Phys. Rev. Lett. 49, 405 (1982).
7. M. Kohmoto, Phys. Rev. B 39, 11943 (1989);
8. Y. Hasegawa, Y. Hatsugai and M. Kohmoto, ibid. 41, 9174 (1990).
9. Y. Hatsugai and M. Kohmoto, Phys. Rev. B 42, 8282 (1990).
10. P. W. Anderson, Phys. Scr. T 27, 60 (1989);
11. P. Lederer, D. Poilblanc and T. M. Rice, Phys. Rev. Lett. 63, 1519 (1989).
12. S. Alexander, Phys. Rev. B 27, 1541 (1983);
13. R. Rammal, T. C. Lubensky and G. Toulose, ibid. 27, 2820 (1983);
14. W. Y. Shih and D. Straud, ibid. 28, 6575 (1983);
15. J. S. Chung, M. Y. Choi and D. Straud, ibid. 38, 11476 (1988);
16. Q. Niu and F. Nori, ibid. 39, 2134 (1989).
17. See, for example, E. N. Economou, Green's Functions in Quantum Physics (Springer-Verlag, 1979), Vol. 7.
18. T. Osada and N. Miura, Solid State Commun. 69, 1169 (1989).
19. S. N. Sun and J. P. Ralston, Phys. Rev. B 44, 13603 (1991).
20. y). Then, one can easily deduce this equation.
21. Y. Hasegawa, J. Phys. Soc. Jpn. 61, 1657 (1992).