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Field-induced quasi-particle coherence effects in certain small magnets | | S. E. Barnes
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28 Oct 1997 | | Subject: | cond-mat | | Abstract: | Small ferromagnets and anti-ferromagnets with an easy-plane anisotropy have a ground to first excited state (tunnel) splitting which is quasi-periodic in the magnitude of a field applied perpendicular to a principal anisotropy axis. The associated oscillations in thermodynamic quantities might be used to prove the existence of a coherent ground state even when the tunnel splitting itself cannot be directly detected. | | Source: | arXiv, cond-mat/9710302 | | Services: | Forum | Review | PDF | Favorites | |
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