Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2009-03-12
PRL 102, 097206 (2009)
Physics
Condensed Matter
Statistical Mechanics
4 Phys. Rev. pages, 5 figures
Scientific paper
10.1103/PhysRevLett.102.097206
We study low temperature resonant spin tunneling in molecular magnets induced by a field sweep with account of dipole-dipole interactions. Numerical simulations uncovered formation of self-organized patterns of the magnetization and of the ensuing dipolar field that provide resonant condition inside a finite volume of the crystal. This effect is robust with respect to disorder and should be relevant to the dynamics of the magnetization steps observed in molecular magnets.
Chudnovsky Eugene M.
Garanin Dmitry A.
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