Butterfly hysteresis loop and dissipative spin reversal in the S = 1/2, V-15 molecular complex

Chiorescu I, Wernsdorfer W, Müller A, Bögge H, Barbara B (2000)
PHYSICAL REVIEW LETTERS 84(15): 3454-3457.

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Abstract
Time resolved magnetization measurements have been performed on a spin 1/2 molecular complex, so-called V-15. Despite the absence of a barrier, magnetic hysteresis is observed over a time scale of several seconds. A detailed analysis in terms of a dissipative two-level model is given, in which fluctuations and splittings are of the same energy. Spin-phonon coupling leads to long relaxation times and to a particular "butterfly" hysteresis loop.
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Chiorescu I, Wernsdorfer W, Müller A, Bögge H, Barbara B. Butterfly hysteresis loop and dissipative spin reversal in the S = 1/2, V-15 molecular complex. PHYSICAL REVIEW LETTERS. 2000;84(15):3454-3457.
Chiorescu, I., Wernsdorfer, W., Müller, A., Bögge, H., & Barbara, B. (2000). Butterfly hysteresis loop and dissipative spin reversal in the S = 1/2, V-15 molecular complex. PHYSICAL REVIEW LETTERS, 84(15), 3454-3457.
Chiorescu, I., Wernsdorfer, W., Müller, A., Bögge, H., and Barbara, B. (2000). Butterfly hysteresis loop and dissipative spin reversal in the S = 1/2, V-15 molecular complex. PHYSICAL REVIEW LETTERS 84, 3454-3457.
Chiorescu, I., et al., 2000. Butterfly hysteresis loop and dissipative spin reversal in the S = 1/2, V-15 molecular complex. PHYSICAL REVIEW LETTERS, 84(15), p 3454-3457.
I. Chiorescu, et al., “Butterfly hysteresis loop and dissipative spin reversal in the S = 1/2, V-15 molecular complex”, PHYSICAL REVIEW LETTERS, vol. 84, 2000, pp. 3454-3457.
Chiorescu, I., Wernsdorfer, W., Müller, A., Bögge, H., Barbara, B.: Butterfly hysteresis loop and dissipative spin reversal in the S = 1/2, V-15 molecular complex. PHYSICAL REVIEW LETTERS. 84, 3454-3457 (2000).
Chiorescu, I, Wernsdorfer, W, Müller, Achim, Bögge, Hartmut, and Barbara, B. “Butterfly hysteresis loop and dissipative spin reversal in the S = 1/2, V-15 molecular complex”. PHYSICAL REVIEW LETTERS 84.15 (2000): 3454-3457.
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26 References

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Non-Adiabatic Crossing of Energy Levels
Zener, Proceedings of The Royal Society A Mathematical Physical and Engineering Sciences 137(833), 1932

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