Quantum spin dynamics in mesoscopic magnets

Physica E: Low-Dimensional Systems and Nanostructures

Volumn 1, Issue 1-4, 1997, Pages 292-296

  Chiolero, Alain ^a   Loss, Daniel ^a  

^a UNIVERSITY OF BASEL   (Switzerland)

Author keywords

Quantum spin dynamics

Indexed keywords

ANTIFERROMAGNETIC MATERIALS; COMPUTER SIMULATION; ELECTRON TUNNELING; MAGNETIC FIELD EFFECTS; MATHEMATICAL MODELS; NUMERICAL ANALYSIS;

MACROSCOPIC QUANTUM COHERENCE (MQC); MESOSCOPIC MAGNETS; MOLECULAR MAGNETS; NEEL VECTOR; QUANTUM SPIN DYNAMICS;

QUANTUM THEORY;

EID: 0031342613     PISSN: 13869477     EISSN: None     Source Type: Journal    
DOI: 10.1016/s1386-9477(97)00062-3     Document Type: Article

References (17)

1. For an overview, see e.g. L. Gunther and B. Barbara (eds.), Quantum Tunneling of Magnetization, Kluwer, 1994, and references therein.
2. D. Loss, in: A. Skjeltorp (Ed.), Dynamical Properties of Unconventional Magnetic Systems, NATO ASI Proc., 1997.
3. D.D. Awschalom et al., Phys. Rev. Lett. 68 (1992) 3092.
4. S. Gider et al., Science 272 (1996) 424.
5. D. Gatteschi, A. Caneschi, L. Pardi, R. Sessoli, Science 265 (1994) 1054.
6. J.R. Friedman et al., Phys. Rev. Lett. 76 (1996) 3830.
7. L. Thomas et al., Nature 383 (1996) 145.
8. Similar Lagrangians have already appeared in the study of spin chains. See, e.g., N. Flüggen, H.J. Mikeska, Solid State Commun. 48 (1983) 293.
9. J. Harris, D.D. Awschalom, private communication.
10. E. Fradkin, Field Theories of Condensed Matter Systems, Addison-Wesley, Reading, MA, 1991.
11. i = 0.
12. A. Chiolero, D. Loss, to be published.
13. B. Barbara, E.M. Chudnovsky, Phys. Lett. A 145 (1990) 205.
14. R.K. Pathria, Statistical Mechanics, Pergamon Press, Oxford, 1986.
15. hf, Eq. (5).
16. x(t)).
17. The present conference contribution is an updated version of A. Chiolero, D. Loss, to appear in Phys. Rev. Lett.