Anders' paper seems to raise important questions about the field theory descriptions of these transitions.
Monday, May 3, 2010
Desperately seeking spin liquids IV
Rajiv Singh has a really nice Physics article, which gives a very clear commentary on a recent PRL by Anders Sandvik, which looks at numerical evidence for deconfined quantum criticality in a Heisenberg model which exhibits a quantum phase transition between Neel order and Valence Bond Solid order.
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