2012
Katinka Ballmann and Johann Kroha, Ann. Physik (Berlin) 524, 245-251 (2012)
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The Pseudoparticle Approach to Strongly Correlated Systems
R. Fresard, J. Kroha and P. Wölfle,
in "Strongly Correlated Systems", A. Avella and F. Mancini Eds., Springer Series in Solid-State Sciences, Volume 171, 65-101 (2012)
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Nonlinear σ model for optical media with linear absorption or gain
Zhong Yuan Lai and Oleg Zaitsev, Phys. Rev. A 85, 043838 (2012)