Summary: Mainz preprint
August 3, 1998
printed: August 4, 1998
High­Temperature Series Analysis
of the Free Energy and Susceptibility
of the 2D Random­Bond Ising Model
Alexandra Roder 1
, Joan Adler 2
and Wolfhard Janke 1;3
1 Institut f¨ur Physik, Johannes Gutenberg­Universit¨at Mainz,
Staudinger Weg 7, 55099 Mainz, Germany
2 Department of Physics, Technion,
Haifa 32000, Israel
3 Institut f¨ur Theoretische Physik, Universit¨at Leipzig,
Augustusplatz 10/11, 04109 Leipzig, Germany
Abstract
We derive high­temperature series expansions for the free en­
ergy and susceptibility of the two­dimensional random­bond Ising
model with a symmetric bimodal distribution of two positive coupling
strengths J 1 and J 2 and study the influence of the quenched, random

Source: Adler, Joan - Physics Department, Technion, Israel Institute of Technology

Collections: Physics