Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2000-12-15
Phys. Rev. B, 64, 060402. (2001)
Physics
Condensed Matter
Disordered Systems and Neural Networks
4 pages RevTex; 5 figures
Scientific paper
10.1103/PhysRevB.64.060402
In this paper we investigate the relationship between glassy and ferromagnetic phases in disordered Ising ferromagnets in the presence of transverse magnetic fields, $\Gamma$. Iterative mean field simulations probe the free energy landscape and suggest the existence of a glass transition as a function of $\Gamma$ which is distinct from the Curie temperature. New experimental field-cooled and zero-field-cooled data on LiHo$_x$Y$_{1-x}$F$_4$ provide support for our theoretical picture.
Aeppli Gabriel
Brooke John
Grest Gary S.
Kao Ying-Jer
Levin Kathryn
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