Quantum and thermal fluctuations in the SU(N) heisenberg spin-glass model near the quantum critical point

Physical Review Letters

Volumn 90, Issue 21, 2003, Pages 2172021-2172024

  Camjayi, Alberto ^a   Rozenberg, Marcelo J ^a  

^a UNIVERSIDAD DE BUENOS AIRES   (Argentina)

Author keywords

[No Author keywords available]

Indexed keywords

MAGNETS; SPECIFIC HEAT; SPIN GLASS;

THERMAL FLUCTUATIONS;

QUANTUM THEORY;

EID: 10644259232     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (25)

1. K. H. Fischer and J. A. Hertz, Spin Glasses (Cambridge University Press, Cambridge, England, 1991).
2. M. Mézard, G. Parisi, and M. Virasoro, Spin Glass Theory and Beyond (World Scientific, Singapore, 1987).
3. H. Rieger and A. P. Young, Quantum Spin Glasses, edited by J. M. Rubi and C. Perez-Vicente, Lecture Notes in Physics Vol. 492 (Springer Verlag, Berlin, 1997), p. 254.
4. K. Binder and A. P. Young, Rev. Mod. Phys. 58, 801 (1986).
5. S. Sachdev, Quantum Phase Transitions (Cambridge University Press, Cambridge, England, 1999).
6. D. H. Reich et al., Phys. Rev. B 42, 4631 (1990); W. Wu et al., Phys. Rev. Lett. 67, 2076 (1991); W. Wu et al., Phys. Rev. Lett. 71, 1919 (1993).
7. D. H. Reich et al., Phys. Rev. B 42, 4631 (1990); W. Wu et al., Phys. Rev. Lett. 67, 2076 (1991); W. Wu et al., Phys. Rev. Lett. 71, 1919 (1993).
8. D. H. Reich et al., Phys. Rev. B 42, 4631 (1990); W. Wu et al., Phys. Rev. Lett. 67, 2076 (1991); W. Wu et al., Phys. Rev. Lett. 71, 1919 (1993).
9. J. Brooke, D. Bitko, T. F. Rosenbaum, and G. Aeppli, Science 284, 779 (1999).
10. X. Obradors et al., Solid State Commun. 65, 189 (1990).
11. A. Ramirez et al., Phys. Rev. B 45, 2505 (1992).
12. S.-H. Lee et al., Europhys. Lett. 35, 127 (1996).
13. C. Mondelli et al., Physics B 266, 104 (1999).
14. L. Limot et al., Phys. Rev. B 65, 144447 (2002), and references therein.
15. A. J. Bray and M. A. Moore, J. Phys. C13, L655 (1980).
16. S. Sachdev and J. Ye, Phys. Rev. Lett. 70, 3339 (1993).
17. A. Georges, O.Parcollet, and S. Sachdev, Phys. Rev. Lett. 85, 840 (2000).
18. A. Georges, O. Parcollet, and S. Sachdev, Phys. Rev. B 63, 134406 (2001).
19. T. K. Kopeć, Phys. Rev. B 52, 9590 (1995).
20. D. R. Grempel and M. J. Rozenberg, Phys. Rev. Lett. 80, 389 (1998).
21. L. Arrachea and M. J. Rozenberg, Phys. Rev. Lett. 86, 5172 (2001).
22. L. Arrachea and M. J. Rozenberg, Phys. Rev. B 65, 224430 (2002).
23. We checked the reliability of the analytic continuation for different choices of number of frequency points.
24. D. Sherrington and S. Kirkpatrick, Phys. Rev. Lett. 35, 1792 (1975).
25. 6 Matsubara frequency points.