Effects of random fields on the dynamics of the one-dimensional quantum XXZ model

Details Effects of random fields on the dynamics of the one-dimensional quantum XXZ model Effects of random fields on the dynamics of the one-dimensional quantum XXZ model

2010-10-21

arxiv.org/abs/1010.4348v3

Physics

Condensed Matter

Statistical Mechanics

12 pages, 6 figures

Scientific paper

The dynamics of the one-dimensional spin-1/2 quantum XXZ model with random fields is investigated by the recurrence relations method. When the fields satisfy the bimodal distribution, the system shows a crossover between a collective-mode behavior and a central-peak one with increasing field while the anisotropy parameter {\Delta} is small; a disordered behavior replaces the crossover as {\Delta} increases. For the cases of Gaussian and double-Gaussian distributions, when the standard deviation is small, the results are similar to that of the bimodal distribution; while the standard deviation is large enough, the system only shows a disordered behavior regardless of {\Delta}.

Affiliated with

Also associated with

No associations

Rating

Effects of random fields on the dynamics of the one-dimensional quantum XXZ 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 Effects of random fields on the dynamics of the one-dimensional quantum XXZ model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Effects of random fields on the dynamics of the one-dimensional quantum XXZ model will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-422800