arXiv subjects

Eric D. Williams

Publications and source records attributed to Eric D. Williams.

2 recordsLinked to original sources

arXiv1996

Exact Wavefunctions for a Delta Function Bose Gas with Higher Derivatives

A quantum mechanical system describing bosons in one space dimension with a kinetic energy of arbitrary order in derivatives and a delta function interaction is studied. Exact wavefunctions for an arbitrary number of particles and order of derivative are constructed. Also, equations determining the spectrum of eigenvalues are found.

hep-th↗

arXiv1993

Thermodynamics and Excitations of the Supersymmetric $t-J$ Model

The free energy of the supersymmetric $t-J$ model is expressed in terms of finite temperature excitations above thermodynamic equilibrium. This reveals that the free energy has the form of noninteracting fermions with temperature dependant excitation spectra. We also discuss the ground state and zero temperature excitations.

cond-mat↗