Condensed Matter > Strongly Correlated Electrons
[Submitted on 6 Oct 2010 (v1), last revised 21 Dec 2010 (this version, v2)]
Title:The modulated spin liquid: a new paradigm for URu$_2$Si$_2$
View PDFAbstract:We argue that near a Kondo breakdown critical point, a spin liquid with spatial modulations can form. Unlike its uniform counterpart, we find that this occurs via a second order phase transition. The amount of entropy quenched when ordering is of the same magnitude as for an antiferromagnet. Moreover, the two states are competitive, and at low temperatures are separated by a first order phase transition. The modulated spin liquid we find breaks $Z_4$ symmetry, as recently seen in the hidden order phase of URu$_2$Si$_2$. Based on this, we suggest that the modulated spin liquid is a viable candidate for this unique phase of matter.
Submission history
From: Catherine Pepin [view email][v1] Wed, 6 Oct 2010 19:31:15 UTC (155 KB)
[v2] Tue, 21 Dec 2010 12:46:59 UTC (154 KB)
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