Correlated-electron theory of metamagnetism in strongly anisotropic antiferromagnets

Modern Physics Letters B

Volumn 10, Issue 6, 1996, Pages 203-210

  Held, K ^a   Ulmke, M ^b,c   Vollhardt, D ^b  

^a RWTH AACHEN UNIVERSITY   (Germany)

^b FORSCHUNGSZENTRUM JÜLICH   (Germany)

^c UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0042136381     PISSN: 02179849     EISSN: None     Source Type: Journal    
DOI: 10.1142/S0217984996000249     Document Type: Article

References (41)

1. J. Becquerel and J. van den Handel, J. de Physique et le Radium 10, 10 (1939).
2. This name was apparently coined by H. A. Kramers; see J. Becquerel, in Le Magnétisme (Institut International de Cooperation Intellectuelle, CNRS, Paris, 1940), p. 97.
3. For a review see E. Stryjewski and N. Giordano, Adv. Phys. 26, 487 (1977).
4. F. Acker et al., Phys. Rev. B24, 5404 (1981);
5. T. Sakakibara et al., J. Phys.: Condens. Matter 2, 3381 (1990).
6. For a review see B. Lüthi et al., J. Magn. Magn. Mat. 90 & 91, 37 (1991).
7. J. H. V. J. Brabers et al., Phys. Rev. B50, 16410 (1994).
8. V. Ivanov et al., J. Alloys Comp. 218, L19 (1995).
9. R. B. Griffiths, Phys. Rev. Lett. 24, 715 (1970).
10. For a review see I. D. Lawrie and S. Sarbach, in Phase Transitions and Critical Phenomena, Vol. 9; eds. C. Domb and J. L. Lebowitz (Academic Press, New York, 1984), p. 1.
11. 2, which are layered materials with ferromagnetic interactions within the plane and antiferromagnetic interactions between the planes. Adjacent layers belong to different sublattices. Note that for J, J′ > 0 both interactions in (1) favor antiferromagnetic ordering on N.N. sites.
12. J. M. Kincaid and E. G. D. Cohen, Phys. Lett. 50A, 317 (1974);
13. J. M. Kincaid and E. G. D. Cohen, Phys. Rep. 22, 57 (1975).
14. A. R. Fert et al., J. Phys. Chem. Solids 34, 223 (1973);
15. C. Vettier, H. L. Alberts, and D. Bloch, Phys. Rev. Lett. 31, 1414 (1973).
16. H. J. Herrmann and D. P. Landau, Phys. Rev. B48, 239 (1993).
17. W. Selke, private communication.
18. M. M. P. de Azevedo et al., J. Magn. Magn. Mater. 140-144, 1557 (1995);
19. J. Pelloth et al., Phys. Rev. B52, 15372 (1995).
20. W. Selke and S. Dasgupta, J. Magn. Magn. Mater. 147, L245 (1995);
21. W. Selke, Z. Phys. B (in press).
22. M. Takahashi, Prog. Theor. Phys. 42 1098 (1969).
23. W. Metzner and D. Vollhardt, Phys. Rev. Lett. 62, 324 (1989);
24. for a review see D. Vollhardt, in Correlated Electron Systems, ed. V. J. Emery (World Scientific, Singapore, 1993), p. 57.
25. V. Janiš, Z. Phys. B83, 227 (1991).
26. A. Georges and G. Kotliar, Phys. Rev. B45, 6479 (1992);
27. M. Jarrell, Phys. Rev. Lett. 69, 168 (1992).
28. J. E. Hirsch and R. M. Fye, Phys. Rev. Lett. 56, 2521 (1986).
29. For a review see G. Kotliar, in Strongly Correlated Electronic Materials, eds. K. S. Bedell et al. (Addison-Wesley, Reading, 1994), p. 141.
30. For a review see Th. Pruschke, M. Jarrell, and J. K. Freericks, Adv. Phys. 44, 187 (1995).
31. A. Giesekus and U. Brandt, Phys. Rev. B48, 10311 (1993).
32. T. Saso and T. Hayashi, J. Phys. Soc. Jpn. 63, 401 (1994).
33. L. Laloux, A. Georges, and W. Krauth, Phys. Rev. B50, 3092 (1994).
34. st ∥ H.
35. In fact, the constraint of an uniaxial magnetization makes the Heisenberg model equivalent to the Ising model.
36. P. G. J. van Dongen, Phys. Rev. B49, 7904 (1994).
37. For details see M. Ulmke, V. Janiš, and D. Vollhardt, Phys. Rev. B51, 10411 (1995); all calculations were performed on a Cray YMP of the Forschungszentrum Jülich.
38. ↑*〉 = 0.
39. B)/2.
40. a the internal field H is plotted versus T.
41. L. Hernández, H. T. Diep, and D. Bertrand, Europhys. Lett. 21, 711 (1993).