High-energy magnon dispersion and multimagnon continuum in the two-dimensional Heisenberg antiferromagnet

Physical Review Letters

Volumn 86, Issue 3, 2001, Pages 528-531

  Sandvik, Anders W ^a,c   Singh, Rajiv R P ^b  

^a University of Illinois at Urbana Champaign   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c ÅBO AKADEMI UNIVERSITY   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; CONTINUUM MECHANICS; HAMILTONIANS; HIGH ENERGY PHYSICS; LOW TEMPERATURE EFFECTS; MAGNETIC FIELD EFFECTS; MAGNETIZATION; MONTE CARLO METHODS; NEUTRON SCATTERING; PHOTOEMISSION; QUANTUM THEORY; RAMAN SCATTERING;

HIGH ENERGY MAGNON DISPERSION; MULTIMAGNON CONTINUUM; TWO DIMENSIONAL HEISENBERG ANTIFERROMAGNET;

ANTIFERROMAGNETIC MATERIALS;

EID: 0035130003     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.86.528     Document Type: Article

References (36)

1. P. W. Anderson, Phys. Rev. 86, 694 (1952).
2. D. Vaknin et al., Phys. Rev. Lett. 58, 2802 (1987); G. Shirane et al., ibid. 59, 1613 (1987); G. Aeppli et al., ibid. 62, 2052 (1989).
3. D. Vaknin et al., Phys. Rev. Lett. 58, 2802 (1987); G. Shirane et al., ibid. 59, 1613 (1987); G. Aeppli et al., ibid. 62, 2052 (1989).
4. D. Vaknin et al., Phys. Rev. Lett. 58, 2802 (1987); G. Shirane et al., ibid. 59, 1613 (1987); G. Aeppli et al., ibid. 62, 2052 (1989).
5. S. Chakravarty, B. I. Halperin, and D. R. Nelson, Phys. Rev. Lett. 60, 1057 (1988); Phys. Rev. B 39, 2344 (1989).
6. S. Chakravarty, B. I. Halperin, and D. R. Nelson, Phys. Rev. Lett. 60, 1057 (1988); Phys. Rev. B 39, 2344 (1989).
7. T. Oguchi, Phys. Rev. 117, 117 (1960).
8. R. R. P. Singh, Phys. Rev. B 39, 9760 (1989).
9. C. J. Hamer, Z. Weihong, and P. Arndt, Phys. Rev. B 46, 6276 (1992); J. Igarashi, Phys. Rev. B 46, 10763 (1992) ; C. M. Canali and M. Wallin, Phys. Rev. B 48, 3264 (1993).
10. C. J. Hamer, Z. Weihong, and P. Arndt, Phys. Rev. B 46, 6276 (1992); J. Igarashi, Phys. Rev. B 46, 10763 (1992) ; C. M. Canali and M. Wallin, Phys. Rev. B 48, 3264 (1993).
11. C. J. Hamer, Z. Weihong, and P. Arndt, Phys. Rev. B 46, 6276 (1992); J. Igarashi, Phys. Rev. B 46, 10763 (1992) ; C. M. Canali and M. Wallin, Phys. Rev. B 48, 3264 (1993).
12. U.-J. Wiese and H.-P. Ying, Z. Phys. B 93, 147 (1994); B. B. Beard and U.-J. Wiese, Phys. Rev. Lett. 77, 5130 (1996).
13. U.-J. Wiese and H.-P. Ying, Z. Phys. B 93, 147 (1994); B. B. Beard and U.-J. Wiese, Phys. Rev. Lett. 77, 5130 (1996).
14. A. W. Sandvik, Phys. Rev. B 56, 11 678 (1997).
15. S. Hayden et al., Phys. Rev. Lett. 67, 3622 (1991).
16. R. Coldea et al., cond-mat/0006384.
17. H. M. Rønnow et al. (unpublished).
18. Y. J. Kim et al., Phys. Rev. Lett. 83, 852 (1999).
19. D. K. Morr, Phys. Rev. B 58, R587 (1998).
20. R. R. P. Singh and M. P. Gelfand, Phys. Rev. B 52, 15 695 (1995).
21. J. Igarashi and A. Watabe, Phys. Rev. B 43, 13456 (1991).
22. C. M. Canali and S. M. Girvin, Phys. Rev. B 45, 7127 (1992).
23. M. S. Makivic and M. Jarrell, Phys. Rev. Lett. 68, 1770 (1992).
24. G. Chen, H.-Q. Ding, and W. A. Goddard III, Phys. Rev. B 46, 2933 (1992).
25. O. F. Syljuåsen and H. M. Rønnow, J. Phys. Condens. Matter 12, L405 (2000).
26. J. Oitmaa and D. D. Betts, Can. J. Phys. 56, 897 (1978).
27. J. D. Reger and A. P. Young, Phys. Rev. B 37, 5978 (1988).
28. D. J. Scalapino, Y. Imry, and P. Pincus, Phys. Rev. B 11, 2042 (1975).
29. A. W. Sandvik, Phys. Rev. B 59, R14 157 (1999).
30. M. Jarrell and J. E. Gubernatis, Phys. Rep. 269, 133 (1996).
31. A. W. Sandvik, S. Capponi, D. Poilblanc, and E. Dagotto, Phys. Rev. B 57, 8478 (1998).
32. P. Henelius, A. W. Sandvik, C. Timm, and S. M. Girvin, Phys. Rev. B 61, 364 (2000).
33. -2. However, since T is nonzero h must eventually converge to a small constant as L → ∞.
34. S. Stringari, Phys. Rev. B 49, 6710 (1994).
35. B. O. Wells et al., Phys. Rev. Lett. 74, 964 (1995); C. Kim et al., ibid. 80, 4245 (1998).
36. B. O. Wells et al., Phys. Rev. Lett. 74, 964 (1995); C. Kim et al., ibid. 80, 4245 (1998).