Skip to main content
Log in

Quantum Relaxation of Ensembles of Nanomagnets

  • Published:
Journal of Low Temperature Physics Aims and scope Submit manuscript

Abstract

Recent theory and experiment in crystals of molecular magnets suggest that fundamental tests of the decoherence mechanisms of macroscopic quantum phenomena may be feasible in these systems (which are also almost ideal quantum spin glasses). We review these, and suggest new experiments.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

REFERENCES

  1. P.C.E. Stamp, Phys. Rev. Lett., 66, 2802 (1991).

    Google Scholar 

  2. G. Tatara and H. Fukuyama, Phys. Rev. Lett., 72, 772 (1994); J. Phys. Soc. Jap., 63, 2538 (1994).

    Google Scholar 

  3. M. Dubé and P.C.E. Stamp, J. Low Temp. Phys., 110, 779 (1998).

    Google Scholar 

  4. K. Hong, N. Giordano, Europhys. Lett. 36, 147 (1996); W. Wernsdorfer et al., Phys. Rev. B55, 11552 (1997); and refs. therein.

    Google Scholar 

  5. J.L. van Hemmen and A. Suto, Europhys. Lett., 1, 481-490 (1986); J.L. van Hemmen, A. Suto, Physica 141B, 37-75 (1986).

    Google Scholar 

  6. M Enz, R Schilling, J. Phys C19, L711-5; ibid., 1765 (1986).

    Google Scholar 

  7. C. Paulsen and J.G. Park, pp 189-207 in ”Quantum Tunneling of Magnetisation-QTM'94” (ed. L. Gunther and B. Barbara), Kluwer Publ. (1995)

  8. M. Novak and R. Sessoli, p. 171 in Ref..7

  9. B. Barbara et al., JMMM, 140–144, 1825 (1995).

    Google Scholar 

  10. J.R. Friedman et al., Phys. Rev. Lett., 76, 3830-3833 (1996).

    Google Scholar 

  11. L. Thomas et al., Nature 383, 145-147 (1996).

    Google Scholar 

  12. C. Sangregorio, T. Ohm, C. Paulsen, R. Sessoli, and D. Gatteschi, Phys. Rev. Lett., 78, 4645 (1997).

    Google Scholar 

  13. D.D. Awschalom et al., Science 258, 414 (1992); ibid., 268, 77 (1995).

    Google Scholar 

  14. P.C.E. Stamp, Phys. Rev. Lett., 61, 2905 (1988).

    Google Scholar 

  15. N.V. Prokof'ev and P.C.E. Stamp, J. Phys. CM 5, L663-670 (1993).

    Google Scholar 

  16. N.V. Prokof'ev and P.C.E. Stamp, pp. 347–371 Ref..7}

  17. A. Garg, Phys. Rev. Lett., 74, 1458 (1995).

    Google Scholar 

  18. N.V. Prokof'ev and P.C.E. Stamp, J. Low Temp. Phys., 104, 143 (1996).

    Google Scholar 

  19. I.S. Tupitsyn, N.V. Prokof'ev, and P.C.E. Stamp, Int. J. Mod. Phys. B, 11, 2901 (1997).

    Google Scholar 

  20. I.S. Tupitsyn, JETP Lett., 67, 28 (1998).

    Google Scholar 

  21. N.V. Prokof'ev and P.C.E. Stamp, Phys. Rev. Lett. 80, 5794 (1998).

    Google Scholar 

  22. T. Ohm and C. Paulsen, this volume.

  23. L. Thomas and B. Barbara, this volume.

  24. For Quantum Spin Glasses, see M.J. Thill, D.A. Huse, Physica A214, 321 (1995), or L.F. Cugliandolo, G. Lozano, Phys. Rev. Lett. 80, 4979 (1998); and refs. therein.

    Google Scholar 

  25. N.V. Prokof'ev, P.C.E. Stamp, to be published.

  26. G. Rose, P.C.E. Stamp, this volume.

  27. N.V. Prokof'ev, P.C.E. Stamp, Rep. Prog. Phys. (to be published)

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Prokof'ev, N.V., Stamp, P.C.E. Quantum Relaxation of Ensembles of Nanomagnets. Journal of Low Temperature Physics 113, 1147–1152 (1998). https://doi.org/10.1023/A:1022597526953

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/A:1022597526953

Keywords

Navigation