papers
Publications (10)
cond-mat.str-el2004
First- and Second Order Phase Transitions in the Holstein-Hubbard Model
W. Koller, D. Meyer, Y. Ono +1
cond-mat.str-el2004
Single particle spectrum of the flux phase in the FM Kondo Model
M. Daghofer, W. Koller, W. von der Linden +1
cond-mat.str-el2004
Dynamic response functions for the Holstein-Hubbard model
W. Koller, D. Meyer, A. C. Hewson
cond-mat.str-el2004
Polaronic Aspects of the two-dimensional Ferromagnetic Kondo Model
M. Daghofer, W. Koller, H. G. Evertz +1
cond-mat.str-el2005
Polaronic Quasiparticles in a Strongly Correlated Electron Band
W. Koller, A. C. Hewson, D. M. Edwards
cond-mat.other2006
Variational Cluster Perturbation Theory for Bose-Hubbard models
W. Koller, N. Dupuis
cond-mat.str-el2005
Magnetic Field Effects on Quasiparticles in Strongly Correlated Local Systems
A. C. Hewson, J. Bauer, W. Koller
cond-mat.str-el2004
Ferromagnetic Polarons, Phase Separation, Stripes and Polaron Lattice: The two- and three-dimensional ferromagnetic Kondo Model
M. Daghofer, W. Koller, H. G. Evertz +1
cond-mat.str-el2005
Aspects of the FM Kondo Model: From Unbiased MC Simulations to Back-of-an-Envelope Explanations
M. Daghofer, W. Koller, A. Pruell +2
cond-mat.str-el2004
Phase diagram and dynamic response functions of the Holstein-Hubbard model
W. Koller, D. Meyer, A. C. Hewson +1