Exact four-spinon dynamical correlation function in isotropic Heisenberg model

Details Exact four-spinon dynamical correlation function in isotropic Heisenberg model Exact four-spinon dynamical correlation function in isotropic Heisenberg model

1998-02-25

arxiv.org/abs/cond-mat/9802271v3

Physics

Condensed Matter

Revtex, 9 eps figures. A revised version following a pertinent remark from the referee. Same resutls but the discussion is res

Scientific paper

We discuss some properties of the exact four-spinon dynamical correlation function $S_4$ in the antiferromagnetic spin 1/2 $XXX$-model, the expression of which we derived recently. We show that the region in which it is not identically zero is different from and larger than the spin-wave continuum. We describe its behavior as a function of the neutron momentum transfer $k$ for fixed values of the neutron energy $\omega$ and compare it to the one corresponding to the exact two-spinon dynamical correlation function $S_2$. We show that the overall shapes are quite similar, even though the expression of $S_4$ is much more involved than that of $S_2$. We finish with concluding remarks.

Affiliated with

Also associated with

No associations

Rating

Exact four-spinon dynamical correlation function in isotropic Heisenberg 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 Exact four-spinon dynamical correlation function in isotropic Heisenberg model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Exact four-spinon dynamical correlation function in isotropic Heisenberg model will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-283110