Magnetic field-induced transition in a quantum magnet described by the Quantum Dimer Model

Details Magnetic field-induced transition in a quantum magnet described by the Quantum Dimer Model Magnetic field-induced transition in a quantum magnet described by the Quantum Dimer Model

2008-06-23

arxiv.org/abs/0806.3486v1

PRL 101, 117204 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1103/PhysRevLett.101.117204

The effect of a magnetic field on a gapped quantum magnet is described within the framework of the Quantum Dimer Model. A minimal model describing the proliferation of itinerant spinons above a critical field is proposed and investigated by Lanczos exact diagonalizations and quantum Monte Carlo simulations. For both square and triangular lattices, it is shown that spinons are fully polarized and Bose-condense. This offers a novel scenario of a Quantum Critical Point in the dimer-liquid phase (triangular lattice) characterized by the continuous appearance of a spinon superfluid density, contrasting with the usual triplet condensation picture. The possible role of other spinon kinetic terms neglected in the model are discussed.

Affiliated with

Also associated with

No associations

Rating

Magnetic field-induced transition in a quantum magnet described by the Quantum Dimer Model does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Magnetic field-induced transition in a quantum magnet described by the Quantum Dimer Model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic field-induced transition in a quantum magnet described by the Quantum Dimer Model will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-672512