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.

Anders' paper seems to raise important questions about the field theory descriptions of these transitions.

No comments:

Post a Comment

Emergence and protein folding

Proteins are a distinct state of matter. Globular proteins are tightly packed with a density comparable to a crystal but without the spatia...