Annalen der Physik

Table of Contents - Volume 7, Issue No. 1 (1998)

Ann. Physik 7 (1998) 1-8

On the connection between Pauli-Villars and higher derivative regularizations

M. N. Stoilov

Institute for Nuclear Research and Nuclear Energy, Boul. Tzarigradsko Chaussee 72, 1784 Sofia, Bulgaria

Received 21 December 1997, accepted 3 February 1998

Keywords: QFT; Regularizations; BRST

Ann. Physik 7 (1998) 9-23

Brownian motion in fluctuating periodic potentials

E. Abad, A. Mielke

Institut für Theoretische Physik, Universität, Philosophenweg 19, D-69120 Heidelberg

Keywords: Noise induced transport; Brownian motors; Fokker-Planck equations

Ann. Physik 7 (1998) 24-47

Fermi-liquid quasi-particles and dx2-y2-superconductivity in the two-dimensional Hubbard model

S. Wermbter

Institut für Theoretische Physik, Universität Bremen, Postfach 330440, D-28334 Bremen

Received 16 February 1998, accepted 6 March 1998

Keywords: Fluctuation-exchange approximation; Fermi-liquid; Renormalization group acceleration

Ann. Physik 7 (1998) 48-55

Frustration of antiferromagnetism in the t-t'-Hubbard model at weak coupling

W. Hofstetter, D. Vollhardt

Theoretische Physik III, Elektronische Korrelationen und Magnetismus, Universität Augsburg, D-86135 Augsburg

Received 20 February 1998, accepted 5 March 1998

Keywords: Strongly correlated electron systems; Band and itinerant models; Magnetic phase boundaries

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