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cond-mat1998
Thermodynamics of Random Ferromagnetic Antiferromagnetic Spin-1/2 Chains
Beat Frischmuth, Manfred Sigrist, Beat Ammon +1
Using the quantum Monte Carlo Loop algorithm, we calculate the temperature dependence of the uniform susceptibility, the specific heat, the correlation length, the generalized stag…
cond-mat1995
Effect of the Three-Site Hopping Term on the t-J Model
Beat Ammon, Matthias Troyer, Hirokazu Tsunetsugu
We have used exact diagonalization and quantum Monte Carlo methods to study the one-dimensional {t-J} model including the three-site hopping term derived from the strong coupling l…