Low-energy singlet and triplet excitations in the spin-liquid phase of the two-dimensional J1-J2 model

Physical Review B - Condensed Matter and Materials Physics

Volumn 60, Issue 21, 1999, Pages 14613-14616

  Kotov, Valeri N ^a,b   Oitmaa, J ^a   Sushkov, Oleg P ^a   Weihong, Zheng ^a  

^a UNIVERSITY OF NEW SOUTH WALES   (Australia)

^b University of Florida ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001326970     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.60.14613     Document Type: Article

References (21)

1. S. Sachdev, in Low Dimensional Quantum Field Theories for Condensed Matter Physicists, edited by L. Yu, S. Lundqvist and G. Morandi (World Scientific, Singapore, 1995).
2. E. Dagotto and A. Moreo, Phys. Rev. Lett. 63, 2148 (1989);
3. F. Figueirido, et al., Phys. Rev. B. 41, 4619 (1989)
4. H. J. Schulz, T. A. L. Ziman, and D. Poilblanc, J. Phys. 1. 6, 675 (1996)
5. N. Read and S. Sachdev, Phys. Rev. Lett. 66, 1773 (1991);
6. Phys. Rev. Lett. N. Read, S. Sachdev, 62, 1694 (1989)
7. M. P. Gelfand, R. R. P. Singh, and D. A. Huse, Phys. Rev. B. 40, 10 801 (1989);
8. Phys. Rev. B M. P. Gelfand, 42, 8206 (1990)
9. S. Sachdev and R. N. Bhatt, Phys. Rev. B. 41, 9323 (1990)
10. A. V. Chubukov and T. Jolicoeur, Phys. Rev. B. 44, 12 050 (1991)
11. E. Lieb, T. Schultz, and D. Mattis, Ann. Phys. (N.Y.). 16, 407 (1961)
12. I. Affleck, Phys. Rev. B. 37, 5186 (1988)
13. V. N. Kotov, et al., Phys. Rev. Lett. 80, 5790 (1998);
14. Phys. Rev. Lett. O. P. Sushkov and V. N. Kotov, 81, 1941 (1998)
15. V. N. Kotov, J. Oitmaa, and W. H. Zheng, Phys. Rev. B. 59, 11 377 (1999)
16. V. N. Kotov, O. P. Sushkov, and R. Eder, Phys. Rev. B. 59, 6266 (1999)
17. H. X. He, et al., J. Phys. A. 23, 1775 (1990);
18. M. P. Gelfand, et al., J. Stat. Phys. 59, 1093 (1990)
19. D. S. Chow, et al., Phys. Rev. Lett. 81, 3984 (1998)
20. J. M. Tranquada, et al., Nature (London). 375, 561 (1995)
21. M. Vojta and S. Sachdev, cond-mat/9906104 (unpublished).