Citation: V. Janis, THE HUBBARD-MODEL AT INTERMEDIATE COUPLING - RENORMALIZATION OF THE INTERACTION STRENGTH, Journal of physics. Condensed matter, 10(13), 1998, pp. 2915-2932
Citation: V. Janis et R. Teply, THE ROLE OF 2-PARTICLE CORRELATIONS IN STRONGLY INTERACTING ELECTRON-SYSTEMS, Czechoslovak journal of Physics, 46, 1996, pp. 2633-2634
Citation: V. Janis et J. Schlipf, LINKED-CLUSTER EXPANSION AROUND MEAN-FIELD THEORIES OF INTERACTING ELECTRONS, Physical review. B, Condensed matter, 52(24), 1995, pp. 17119-17134
Citation: V. Janis et D. Vollhardt, ANALYTICALLY TRACTABLE MEAN-FIELD THEORY FOR INTERACTING ELECTRONS ATSTRONG-COUPLING, Physica. B, Condensed matter, 194, 1994, pp. 489-490
Citation: V. Janis, GREENS-FUNCTION OF THE CORE ELECTRONS IN A LATTICE MODEL FOR X-RAY-SPECTRA - BREAKDOWN OF PERTURBATION-THEORY IN THE LONG-TIME LIMIT, Physical review. B, Condensed matter, 49(3), 1994, pp. 1612-1626
Citation: Pgj. Vandongen et V. Janis, MOTT TRANSITION NEAR THE FERROMAGNETIC STATE (VOL 72, PG 3258, 1994), Physical review letters, 73(6), 1994, pp. 912-912
Citation: V. Janis, A LATTICE MODEL FOR X-RAY-EMISSION AND ABSORPTION - THE EDGE SINGULARITY, Journal of physics. Condensed matter, 5(35), 1993, pp. 425-432
Citation: V. Janis et al., DISORDER VS INTERACTION IN THE HUBBARD-MODEL - PHASE-DIAGRAM IN INFINITE DIMENSIONS, Europhysics letters, 24(4), 1993, pp. 287-292