4 papers
Effect of three-particle correlations in low dimensional Hubbard models
Ted Hsu, Benoit Doucot
A simple approximation which captures some non-perturbative aspects of the one electron Green function of strongly interacting Fermion systems is developed. It provides a way to go…
Level repulsion in integrable and almost-integrable quantum spin models
Theodore C. Hsu, J. C. Angles d'Auriac
The repartition of the separation between energy levels of various isotropic S=1/2 antiferromagnetic chains is studied numerically with the aim of investigating the transition from…
Frequency dependent conductivity of vortex cores in type II superconductors
Ted Hsu
This paper is relevant to the recent optical transmission experiments of Karrai et al. for vortices in high Tc superconductors. We begin with a substantial review and introduction.…
Absence of Dipole Transitions in Vortices of Type II Superconductors
Theodore C. Hsu
The response of a single vortex to a time dependent field is examined microscopically and an equation of motion for vortex motion at non-zero frequencies is derived. Of interest ar…