Strongly disordered Hubbard model in one dimension: spin and orbital infinite randomness and Griffiths phases

Details Strongly disordered Hubbard model in one dimension: spin and orbital infinite randomness and Griffiths phases Strongly disordered Hubbard model in one dimension: spin and orbital infinite randomness and Griffiths phases

2006-07-11

arxiv.org/abs/cond-mat/0607269v1

Phys. Rev. B 74, 155104 (2006)

Physics

Condensed Matter

Disordered Systems and Neural Networks

9 pages, 7 figures

Scientific paper

10.1103/PhysRevB.74.155104

We study by the strong disorder renormalization group (RG) method the low-energy properties of the one-dimensional Hubbard model with random-hopping matrix-elements $t_{min} t_{max}$) and to an orbital infinite randomness fixed point for vanishing interactions ($U_{max}/t_{max} \to 0$). To each critical infinite randomness fixed point is connected a Griffiths phase, the correlation length and dynamical exponent of which have well defined asymptotic dependences on the corresponding quantum control parameter. The theoretical predictions for the scaling in the vicinity of the critical points compare well to numerical RG simulations.

Affiliated with

Also associated with

No associations

Rating

Strongly disordered Hubbard model in one dimension: spin and orbital infinite randomness and Griffiths phases 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 Strongly disordered Hubbard model in one dimension: spin and orbital infinite randomness and Griffiths phases, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Strongly disordered Hubbard model in one dimension: spin and orbital infinite randomness and Griffiths phases will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-138672