146 citations · 278 across the 6 of their papers we have counts for
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cond-mat.stat-mech2001★ 22 cited
Thermodynamic Properties of the Dimerised and Frustrated S=1/2 Chain
Alexander Bühler, Ute Löw, Götz S. Uhrig
By high temperature series expansion, exact diagonalisation and temperature density-matrix renormalisation the magnetic susceptibility and the specific heat of dimeri…
cond-mat.str-el2001★ 73 cited
Effective Spin Models for Spin-Phonon Chains by Flow Equations
Carsten Raas, Alexander Bühler, Götz S. Uhrig
We investigate the anti-adiabatic limit of an anti-ferromagnetic S=1/2 Heisenberg chain coupled to Einstein phonons. The flow equation method is used to decouple the spin and the p…