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

Why is the state of universities such an emotional issue for me?

It all about values! Universities have changed dramatically over the course of my lifetime. Australian universities are receiving increasing...