Li2VO(Si, Ge)O4, a prototype of a two-dimensional frustrated quantum Heisenberg antiferromagnet

Physical Review Letters

Volumn 85, Issue 6, 2000, Pages 1318-1321

  Melzi, R ^a   Carretta, P ^a   Lascialfari, A ^a   Mambrini, M ^b   Troyer, M ^c   Millet, P ^d   Mila, F ^b  

^a INFM   (Italy)

^b CNRS   (France)

^c ETH ZURICH   (Switzerland)

^d CEMES CNRS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; GROUND STATE; LITHIUM COMPOUNDS; MAGNETIC SUSCEPTIBILITY; MAGNETIC VARIABLES MEASUREMENT; MAGNETIZATION; MAGNETOMETERS; MONTE CARLO METHODS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PHASE TRANSITIONS; QUANTUM THEORY; SINGLE CRYSTALS;

FRUSTRATED QUANTUM HEISENBERG ANTIFERROMAGNET; MAGNETIC TRANSITION; MAGNETIZATION MEASUREMENT; QUANTUM PHASE TRANSITION;

ANTIFERROMAGNETIC MATERIALS;

EID: 0034251474     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.85.1318     Document Type: Article

References (21)

1. See, for example, E. Dagotto and T. M. Rice, Science 271, 619 (1995); E. Dagotto, Rep. Prog. Phys. 62, 1525 (1999), and references therein.
2. See, for example, E. Dagotto and T. M. Rice, Science 271, 619 (1995); E. Dagotto, Rep. Prog. Phys. 62, 1525 (1999), and references therein.
3. D. Pines, Z. Phys. B 103, 129 (1997).
4. P. Chandra and B. Doucot, Phys. Rev. B 38, 9335 (1988).
5. H. J. Schulz and T. A. L. Ziman, Europhys. Lett. 18, 355 (1992); H. J. Schulz, T. A. L. Ziman, and D. Poilblanc, J. Phys. I (France) 6, 675 (1996).
6. H. J. Schulz and T. A. L. Ziman, Europhys. Lett. 18, 355 (1992); H. J. Schulz, T. A. L. Ziman, and D. Poilblanc, J. Phys. I (France) 6, 675 (1996).
7. S. Sorella, Phys. Rev. Lett. 80, 4558 (1998); L. Capriotti and S. Sorella, Phys. Rev. Lett. 84, 3173 (2000).
8. S. Sorella, Phys. Rev. Lett. 80, 4558 (1998); L. Capriotti and S. Sorella, Phys. Rev. Lett. 84, 3173 (2000).
9. Y. J. Kim et al., Phys. Rev. Lett. 83, 852 (1999).
10. P. Chandra, P. Coleman, and A. I. Larkin, Phys. Rev. Lett. 64, 88 (1990).
11. P. Millet and C. Satto, Mater. Res. Bull. 33, 1339 (1998).
12. J.-K. Kim and M. Troyer, Phys. Rev. Lett. 80, 2705 (1998).
13. 4+ in pyramidal environment, while the Curie constant C turns out to be ≃0.3 emu K/mole for LGVO and ≃0.33 emu K/mole for LSVO, in good quantitative agreement with what is expected for S = 1/2.
14. See H. Benner and J. P. Boucher, in Magnetic Properties of Layered Transition Metal Compounds, edited by L. J. de Jongh (Dordrecht, Kluwer, 1990), p. 323.
15. R. Melzi et al. (unpublished).
16. A. Rigamonti, F. Borsa, and P. Carretta, Rep. Prog. Phys. 61, 1367 (1998); A. V. Chubukov, S. Sachdev, and J. Ye, Phys. Rev. B 49, 11 919 (1994).
17. A. Rigamonti, F. Borsa, and P. Carretta, Rep. Prog. Phys. 61, 1367 (1998); A. V. Chubukov, S. Sachdev, and J. Ye, Phys. Rev. B 49, 11 919 (1994).
18. P. Carretta et al., Phys. Rev. Lett. 84, 366 (2000).
19. D. Beeman and P. Pincus, Phys. Rev. 166, 359 (1968).
20. 7Li NMR spectrum is unaffected by the structural distortion.
21. V. Pashchenko, Y. Ksari, and A. Stepanov (unpublished).