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Volumn 50, Issue 4, 2000, Pages 552-558

Nonadiabatic Landau-Zener tunneling in Fe8 molecular nanomagnets

Author keywords

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Indexed keywords


EID: 0034636220     PISSN: 02955075     EISSN: None     Source Type: Journal    
DOI: 10.1209/epl/i2000-00305-x     Document Type: Article
Times cited : (183)

References (53)
  • 3
    • 0033204050 scopus 로고    scopus 로고
    • SESSOLI R., GATTESCHI D., CANESCHI A. and NOVAK M. A., Nature (London), 365 (1993) 141; CANESCHI A. et al., J. Magn. & Magn. Mater., 200 (1999) 182.
    • (1999) J. Magn. & Magn. Mater. , vol.200 , pp. 182
    • Caneschi, A.1
  • 7
    • 2642577624 scopus 로고
    • GARG A., Europhys. Lett., 22 (1993) 205; Phys. Rev. Lett., 83 (1999) 1513. That Garg's findings remains true for small spin quantum numbers has been argued by WEIGERT S., Europhys. Lett., 26 (1994) 561; see also ENZ M. and SCHILLING R., J. Phys. C, 19 (1986) 1765 and L711. Garg proved very recently that his earlier semiclassical solution is exact in leading order in 1/S, where S is the spin, http://xxx.lanl.gov/cond-mat /0003319.
    • (1993) Europhys. Lett. , vol.22 , pp. 205
    • Garg, A.1
  • 8
    • 4243705428 scopus 로고    scopus 로고
    • GARG A., Europhys. Lett., 22 (1993) 205; Phys. Rev. Lett., 83 (1999) 1513. That Garg's findings remains true for small spin quantum numbers has been argued by WEIGERT S., Europhys. Lett., 26 (1994) 561; see also ENZ M. and SCHILLING R., J. Phys. C, 19 (1986) 1765 and L711. Garg proved very recently that his earlier semiclassical solution is exact in leading order in 1/S, where S is the spin, http://xxx.lanl.gov/cond-mat /0003319.
    • (1999) Phys. Rev. Lett. , vol.83 , pp. 1513
  • 9
    • 84957328512 scopus 로고
    • GARG A., Europhys. Lett., 22 (1993) 205; Phys. Rev. Lett., 83 (1999) 1513. That Garg's findings remains true for small spin quantum numbers has been argued by WEIGERT S., Europhys. Lett., 26 (1994) 561; see also ENZ M. and SCHILLING R., J. Phys. C, 19 (1986) 1765 and L711. Garg proved very recently that his earlier semiclassical solution is exact in leading order in 1/S, where S is the spin, http://xxx.lanl.gov/cond-mat /0003319.
    • (1994) Europhys. Lett. , vol.26 , pp. 561
    • Weigert, S.1
  • 10
    • 0001180374 scopus 로고
    • Garg proved very recently that his earlier semiclassical solution is exact in leading order in 1/S, where S is the spin
    • GARG A., Europhys. Lett., 22 (1993) 205; Phys. Rev. Lett., 83 (1999) 1513. That Garg's findings remains true for small spin quantum numbers has been argued by WEIGERT S., Europhys. Lett., 26 (1994) 561; see also ENZ M. and SCHILLING R., J. Phys. C, 19 (1986) 1765 and L711. Garg proved very recently that his earlier semiclassical solution is exact in leading order in 1/S, where S is the spin, http://xxx.lanl.gov/cond-mat /0003319.
    • (1986) J. Phys. C , vol.19 , pp. 1765
    • Enz, M.1    Schilling, R.2
  • 13
    • 4243780937 scopus 로고
    • HALDANE F. D. M., Phys. Rev. Lett., 50 (1983) 1153; 61 (1988) 1029.
    • (1988) Phys. Rev. Lett. , vol.61 , pp. 1029
  • 14
    • 0032577794 scopus 로고    scopus 로고
    • PROKOF'EV N. V. and STAMP P. C. E., Phys. Rev. Lett., 80 (1998) 5794; PROKOF'EV N. V. and STAMP P. C. E., J. Low Temp. Phys., 104 (1996) 143, see also http://xxx.lanl.gov/cond-mat /0001080.
    • (1998) Phys. Rev. Lett. , vol.80 , pp. 5794
    • Prokof'ev, N.V.1    Stamp, P.C.E.2
  • 15
    • 0030213117 scopus 로고    scopus 로고
    • PROKOF'EV N. V. and STAMP P. C. E., Phys. Rev. Lett., 80 (1998) 5794; PROKOF'EV N. V. and STAMP P. C. E., J. Low Temp. Phys., 104 (1996) 143, see also http://xxx.lanl.gov/cond-mat /0001080.
    • (1996) J. Low Temp. Phys. , vol.104 , pp. 143
    • Prokof'ev, N.V.1    Stamp, P.C.E.2
  • 18
    • 0002332313 scopus 로고    scopus 로고
    • For a review: TUPITSYN I. S. and BARBARA B., http://xxx.lanl.gov/cond-mat/0002180 (2000).
    • (2000)
    • Tupitsyn, I.S.1    Barbara, B.2
  • 19
    • 0002117833 scopus 로고    scopus 로고
    • PhD Thesis, Joseph Fourier University, Grenoble
    • WERNSDORFER W., PhD Thesis, Joseph Fourier University, Grenoble, 1996: WERNSDORFER W. et al., http://xxx.lanl.gov/cond-mat/9912123 (1999).
    • (1996)
    • Wernsdorfer, W.1
  • 20
    • 0002007331 scopus 로고    scopus 로고
    • WERNSDORFER W., PhD Thesis, Joseph Fourier University, Grenoble, 1996: WERNSDORFER W. et al., http://xxx.lanl.gov/cond-mat/9912123 (1999).
    • (1999)
    • Wernsdorfer, W.1
  • 23
    • 0002126824 scopus 로고    scopus 로고
    • -4 K, which are close to the values obtained by EPR measurements in to be published in
    • -4 K, which are close to the values obtained by EPR measurements in BARRA A.-L., GATTESCHI D. and SESSOLI R., to be published in Chem. Eur. J. (2000); see also http://xxx.lanl.gov/cond-mat/0002386.
    • (2000) Chem. Eur. J.
    • Barra, A.-L.1    Gatteschi, D.2    Sessoli, R.3
  • 24
    • 0002636472 scopus 로고
    • LANDAU L., Phys. Z. Sowjetunion, 2 (1932) 46; ZENER C., Proc. R. Soc. London, Ser. A, 137 (1932) 696; STÜCKELBERG E. C. G., Helv. Phys. Acta, 5 (1932) 369.
    • (1932) Phys. Z. Sowjetunion , vol.2 , pp. 46
    • Landau, L.1
  • 25
    • 0001332554 scopus 로고
    • LANDAU L., Phys. Z. Sowjetunion, 2 (1932) 46; ZENER C., Proc. R. Soc. London, Ser. A, 137 (1932) 696; STÜCKELBERG E. C. G., Helv. Phys. Acta, 5 (1932) 369.
    • (1932) Proc. R. Soc. London, Ser. A , vol.137 , pp. 696
    • Zener, C.1
  • 26
    • 0000535681 scopus 로고
    • LANDAU L., Phys. Z. Sowjetunion, 2 (1932) 46; ZENER C., Proc. R. Soc. London, Ser. A, 137 (1932) 696; STÜCKELBERG E. C. G., Helv. Phys. Acta, 5 (1932) 369.
    • (1932) Helv. Phys. Acta , vol.5 , pp. 369
    • Stückelberg, E.C.G.1
  • 27
    • 3042851971 scopus 로고
    • MIYASHITA S., J. Phys. Soc. Jpn., 64 (1995) 3207; 65 (1996) 2734; DOBROVITSKI V. V. and ZVEZDIN A. K., Europhys. Lett., 38 (1997) 377; L. GUNTHER, Europhys. Lett., 39 (1997) 1; ROSE G. and STAMP P. C. E., J. Low Temp. Phys., 113 (1998) 1153; THORWART M., REIMANN P., JUNG P. and Fox R. F., Chem. Phys., 235 (1998) 61.
    • (1995) J. Phys. Soc. Jpn. , vol.64 , pp. 3207
    • Miyashita, S.1
  • 28
    • 0030502599 scopus 로고    scopus 로고
    • MIYASHITA S., J. Phys. Soc. Jpn., 64 (1995) 3207; 65 (1996) 2734; DOBROVITSKI V. V. and ZVEZDIN A. K., Europhys. Lett., 38 (1997) 377; L. GUNTHER, Europhys. Lett., 39 (1997) 1; ROSE G. and STAMP P. C. E., J. Low Temp. Phys., 113 (1998) 1153; THORWART M., REIMANN P., JUNG P. and Fox R. F., Chem. Phys., 235 (1998) 61.
    • (1996) J. Phys. Soc. Jpn. , vol.65 , pp. 2734
  • 29
    • 0031562842 scopus 로고    scopus 로고
    • MIYASHITA S., J. Phys. Soc. Jpn., 64 (1995) 3207; 65 (1996) 2734; DOBROVITSKI V. V. and ZVEZDIN A. K., Europhys. Lett., 38 (1997) 377; L. GUNTHER, Europhys. Lett., 39 (1997) 1; ROSE G. and STAMP P. C. E., J. Low Temp. Phys., 113 (1998) 1153; THORWART M., REIMANN P., JUNG P. and Fox R. F., Chem. Phys., 235 (1998) 61.
    • (1997) Europhys. Lett. , vol.38 , pp. 377
    • Dobrovitski, V.V.1    Zvezdin, A.K.2
  • 30
    • 0031184748 scopus 로고    scopus 로고
    • MIYASHITA S., J. Phys. Soc. Jpn., 64 (1995) 3207; 65 (1996) 2734; DOBROVITSKI V. V. and ZVEZDIN A. K., Europhys. Lett., 38 (1997) 377; L. GUNTHER, Europhys. Lett., 39 (1997) 1; ROSE G. and STAMP P. C. E., J. Low Temp. Phys., 113 (1998) 1153; THORWART M., REIMANN P., JUNG P. and Fox R. F., Chem. Phys., 235 (1998) 61.
    • (1997) Europhys. Lett. , vol.39 , pp. 1
    • Gunther, L.1
  • 31
    • 0032304852 scopus 로고    scopus 로고
    • MIYASHITA S., J. Phys. Soc. Jpn., 64 (1995) 3207; 65 (1996) 2734; DOBROVITSKI V. V. and ZVEZDIN A. K., Europhys. Lett., 38 (1997) 377; L. GUNTHER, Europhys. Lett., 39 (1997) 1; ROSE G. and STAMP P. C. E., J. Low Temp. Phys., 113 (1998) 1153; THORWART M., REIMANN P., JUNG P. and Fox R. F., Chem. Phys., 235 (1998) 61.
    • (1998) J. Low Temp. Phys. , vol.113 , pp. 1153
    • Rose, G.1    Stamp, P.C.E.2
  • 32
    • 0032153780 scopus 로고    scopus 로고
    • MIYASHITA S., J. Phys. Soc. Jpn., 64 (1995) 3207; 65 (1996) 2734; DOBROVITSKI V. V. and ZVEZDIN A. K., Europhys. Lett., 38 (1997) 377; L. GUNTHER, Europhys. Lett., 39 (1997) 1; ROSE G. and STAMP P. C. E., J. Low Temp. Phys., 113 (1998) 1153; THORWART M., REIMANN P., JUNG P. and Fox R. F., Chem. Phys., 235 (1998) 61.
    • (1998) Chem. Phys. , vol.235 , pp. 61
    • Thorwart, M.1    Reimann, P.2    Jung, P.3    Fox, R.F.4
  • 33
    • 0002003172 scopus 로고    scopus 로고
    • inc is defined as the difference of population of up and down spins. In all previous publications [5, 13], we did take into account this factor two when converting the measured change of magnetisation into an escape probability of incoherent Landau-Zener transitions (eq. (2))
    • inc is defined as the difference of population of up and down spins. In all previous publications [5, 13], we did take into account this factor two when converting the measured change of magnetisation into an escape probability of incoherent Landau-Zener transitions (eq. (2)).
    • Leuenberger1    Loss2
  • 34
    • 0002129545 scopus 로고    scopus 로고
    • 12 [21].
    • 12 [21]. See also ref. [12], Sec. 4.2 and the recent work of THORWART M., GRIFONI M. and HÅNGGI P., http://xxx.lanl.gov/quant-ph/9912024 (1999).
    • Leuenberger, M.N.1    Loss, D.2
  • 35
    • 0002197679 scopus 로고    scopus 로고
    • 12 [21]. See also ref. [12], Sec. 4.2 and the recent work of THORWART M., GRIFONI M. and HÅNGGI P., http://xxx.lanl.gov/quant-ph/9912024 (1999).
    • (1999)
    • Thorwart, M.1    Grifoni, M.2    Hånggi, P.3
  • 37
    • 0000322176 scopus 로고    scopus 로고
    • LEUENBERGER M. N. and LOSS D., Europhys. Lett., 46 (1999) 692; Phys. Rev. B, 61 (2000) 1286.
    • (2000) Phys. Rev. B , vol.61 , pp. 1286
  • 39
    • 0032303831 scopus 로고    scopus 로고
    • OHM T., SANGREGORIO C. and PAULSEN C., Eur. Phys. J. B, 6 (1998) 595; J. Low Temp. Phys., 113 (1998) 1141.
    • (1998) J. Low Temp. Phys. , vol.113 , pp. 1141
  • 41
    • 0033546469 scopus 로고    scopus 로고
    • WERNSDORFER W., OHM T., SANGREGORIO C., SESSOLI R., MAILLY D. and PAULSEN C., Phys. Rev. Lett., 82 (1999) 3903; WERNSDORFER W., SESSOLI R. and GATTESCHI D., Europhys. Lett., 47 (1999) 254
    • (1999) Europhys. Lett. , vol.47 , pp. 254
    • Wernsdorfer, W.1    Sessoli, R.2    Gatteschi, D.3
  • 43
    • 0002196791 scopus 로고    scopus 로고
    • TUPITSYN I. S., PROKOF'EV N. V. and STAMP P. C. E., Int. J. Mod. Phys. B, 11 (1997) 2901; TUPITSYN I. S., JETP Lett., 67 (1998) 28.
    • (1998) Jetp Lett. , vol.67 , pp. 28
    • Tupitsyn, I.S.1
  • 46
    • 0003593324 scopus 로고
    • (Clarendon Press, Oxford) Chapt. 10. It would be important to work out a complete theory taking into account hyperfine and spin-phonon coupling
    • This rough estimation has been worked out after discussions with VILLAIN J., see also [20], and ABRAGAM A. and BLEANEY B., Electron paramagnetic resonance, of transition ions (Clarendon Press, Oxford) 1970, Chapt. 10. It would be important to work out a complete theory taking into account hyperfine and spin-phonon coupling.
    • (1970) Electron Paramagnetic Resonance, of Transition Ions
    • Villain, J.1    Abragam, A.2    Bleaney, B.3
  • 47
    • 0002000101 scopus 로고    scopus 로고
    • note
    • B = 9.8 K for H̄ = 0.
  • 48
    • 0002126836 scopus 로고    scopus 로고
    • note
    • -E10,M/kBT is very small for M < 8 and T < 1 K.
  • 51
    • 4243780895 scopus 로고    scopus 로고
    • GARANIN D. A. and CHUDNOVSKY E. M., Phys. Rev. B, 56 (1997) 11102; 59 (1999) 3671.
    • (1999) Phys. Rev. B , vol.59 , pp. 3671
  • 52
    • 0002000890 scopus 로고    scopus 로고
    • private communication
    • PAULSEN C., private communication.
    • Paulsen, C.1
  • 53
    • 0002261775 scopus 로고    scopus 로고
    • note
    • s). This can also be attributed to the modified hyperfine fields. However, a quantitative measurement is complicated by the fact that it is impossible to have two crystals with exactly the same shape, i.e. the same internal fields.


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