Publikationsliste der Arbeitsgruppe (1995-2000)

 

"Coulomb interaction between conduction electrons and f-electrons in the Anderson impurity model"
A. Bauer, J. Keller, Z. Physik B - Condensed Matter 96, 383 (1995)

"Anomalous Normal State Properties of High-Tc Superconductors - Intrinsic Properties of Strongly Correlated Electron Systems?"
Th. Pruschke, M. Jarrell and J.K. Freericks, Adv. in Physics 44, 187 (1995)

"Optical Conductivity of the Infinite-dimensional Hubbard Model"
M. Jarrell, J.K. Freericks, and Th. Pruschke, Phys. Rev. B 51, 11704 (1995)

"Properties of the t-J model in the dynamical mean field theory: One-particle properties in the antiferromagnetic phase"
Th. Obermeier, Th. Pruschke, J. Keller, Ann. Physik 5, 137 (1996)

"Magnetic properties of the t-J model in the dynamical mean-field theory"
Th. Pruschke, Q. Qin, Th. Obermeier, J. Keller, J. of Physics - Condensed Matter 8, 3161 (1996)

"Collective modes in the electronic polarization of double-layer systems in the superconducting state"
F. Forsthofer, S. Kind, J. Keller, Phys. Rev. B53, 14481 (1996)

"Parametric amplification of radiation by the intrinsic Josephson effect"
Ch. Preis, M. Sardar, J. Keller, J. Appl. Phys. 81, 315 (1997)

"Coupling between phonons and intrinsic Josephson oscillations in cuprate superconductors"
Ch. Helm, Ch. Preis, F. Forsthofer, J. Keller, K. Schlenga, R. Kleiner, P. Müller, Phys. Rev. Lett. 79, 737 (1997)

"Ferromagnetism in the Large-U Hubbard Model"
Th. Obermeier, Th. Pruschke, J. Keller, Phys. Rev. B56, 8479 (1997)

"Anderson impurity in pseudo-gap Fermi systems"
R. Bulla, Th. Pruschke und A.C. Hewson, J. of Physics - Condens. Matter 9, 10463 (1997)

"Tunneling spectroscopy with intrinsic Josephson junctions in Bi2Sr2CaCu2O8+d and Tl2Ba2Ca2Cu3O10+d "
K. Schlenga, R. Kleiner, G. Hechtfischer, M. Mößle, S. Schmitt, P. Müller, Ch. Helm, Ch. Preis, F. Forsthofer, J. Keller, H.L. Johnson, M. Veith, E. Steinbeiß, Phys. Rev. B57, 14518 (1998)

"Numerical Renormalization Group Calculations for the Self-energy of the impurity Anderson model"
R. Bulla, Th. Pruschke und A.C. Hewson, J. of Physics - Condens. Matter. 10, 8365 (1998)

"Nonlocal Dynamical Correlations of Strongly Interacting Electron Systems"
M. Hettler, A.N. Tahvildar-Zadeh, M. Jarrell, Th.Pruschke and H.R.Krishnamurthy, Phys. Rev. B 58, 7475 (1998)

"Magnetic properties of the three-band Hubbard model"
Th. Maier, M.B. Zölfl, Th. Pruschke, J. Keller, Eur. Phys. J. B7, 377 (1999)

"Absence of hysteresis at the Mott-Hubbard metal-insulator transition in the infinite-dimensional Hubbard model"
J. Schlipf, M. Jarrell, P.G.J. van Dongen, N.Blümer, S. Kehrein, Th. Pruschke and D.Vollhardt, Phys. Rev. Letter 82, 4890 (1999)

"Electronic Structure of the Heavy Fermion Metal LiV2O4"
V.I. Anisimov, M.A. Korotin, M. Zölfl, T. Pruschke, K. Le Hur and T.M. Rice, Phys. Rev. Letter 83, 364 (1999)

"Evidence for exhaustion in the conductivity of the infinite-dimensional periodic Anderson model"
A.N. Tahvildar-Zadeh, M. Jarrell, Th. Pruschke and J.K. Freericks, Phys. Rev. B60, 10782 (1999)

"Optical properties of CuO2-planes: A DMFT study"
M.B. Zölfl, Th. Maier, Th. Pruschke and J. Keller, Euro. Phys. Journal B 13, 47 (2000)

"Theory for the coupling between longitudinal phonons and intrinsic Josephson oscillations in layered superconductors"
Ch. Helm, Ch. Preis, Ch. Walter, and J. Keller, Phys. Rev. B to be published

"Phonon self-energy in superconductors: Effect of vibrating impurities"
A. Sergeev, C. Preis, J. Keller, Phys. Rev. B, accepted

"A Non-Crossing Approximation for the Study of Intersite Correlations"
Th. Maier, M. Jarrell, Th. Pruschke and J. Keller, Euro. Phys. Journal. B 13, 613 (2000).

"Incoherence in the bilayer-t-J-model "
W. Heindl, Th. Pruschke and J. Keller, J. of Physics - Condens. Matter 12, 1 (2000)

"The low energy scale of the periodic Anderson model"
Th. Pruschke, R. Bulla und M. Jarrell, Phys. Rev. B61, 12799 (2000)

"A LDA+DMFT study for La1-xSrxTiO3"
M.B. Zölfl, Th. Pruschke, J. Keller, A.I. Poteryaev, and V.I. Anisimov, Phys. Rev. B61, 12810 (2000)

"d-wave superconductivity in the Hubbard model"
Th. Maier, M. Jarrell, T. Pruschke und J. Keller, Phys. Rev. Lett., accepted

"Anderson impurities in gapless hosts: comparison of renormalization group and local moment approaches"
R. Bulla, M.T. Glossop, D. Logan und Th. Pruschke, submitted to J. of Physics - Condensed Mat.



Beiträge in Konferenz-Proceedings:

"Electron-phonon interaction in Hubbard systems"
J. Keller, C.E. Leal, F. Forsthofer, Physica B 206&207, 739 (1995)

"Dynamical properties of the Kondo lattice"
Th. Pruschke, B. Steininger, J. Keller, Physica B 206&207, 154 (1995)

"Infrared properties of CuO-superconductors"
J. Keller, S. Kind, J. Low Temp. Phys. 99, 293 (1995)

"Bandstructure Effects in Correlated Electron Systems"
Th. Pruschke, Th. Obermeier, J. Keller and M. Jarrell, Physica B 223&224, 611 (1996)

"Radiation amplification with help of the intrinsic Josephson effect"
Ch. Preis, M. Sardar, J. Keller, J. Low Temp. Phys. 105, 1255 (1996)

"Collective spinfluctuations in superconducting double-layer systems"
F. Forsthofer, Ch. Helm, J. Keller, J. Low Temp Phys. 105, 687 (1996)

"Magnetic susceptibility for the t-J model"
Th. Pruschke, Th. Obermeier, J. Keller, Physica B 230-232, 895 (1997)

"Effects of Spin-Fluctuations in the t-J Model"
Th. Obermeier, Th. Pruschke, J. Keller, Physica B 230-232, 892 (1997)

"Constraint quantization of slave-boson theories"
Ch. Helm, J. Keller, Physica B 230-232, 451 (1997)

"Superconductivity in systems with strong correlations"
B. Steininger, Th. Pruschke, J. Keller, Physica B 230-232, 945 (1997)

"Subgap structures in the current-voltage characteristics of the intrinsic Josephson effect due to phonons"
Ch. Helm, Ch. Preis, F. Forsthofer, J. Keller, K. Schlenga, R. Kleiner, P. Müller, Physica C 293, 60 (1997)

"C-axis tunneling between adjacent superconducting CuO2 bi- or trilayers"
K. Schlenga, G. Hechtfischer, W. Walkenhorst, H.L. Johnson, F Forsthofer, Ch. Helm, Ch. Preis, J. Keller, R. Kleiner, P. Müller, Physica C 282-287, 2431 (1997)

"Coupling of intrinsic Josephson oscillations in layered superconductors by charge fluctuations"
Ch. Preis, Ch. Helm, J. Keller, A. Sergeev, R. Kleiner, Superconducting Superlattices II. Native and Artificial, I. Bosovic, D. Pavona, editors, Proceedings of SPIE, Vol 3480, 236 (1998)

"On the coexistence of d-wave pairing and strong local correlations"
T. Pruschke, B. Steininger, H. Hetznecker, J. Keller, Physica B 259-261 (1999)

"C-axis transport in the bi-layer t-J model"
W. Heindl, T. Pruschke, J. Keller, Physica B 259-261, 745 (1999)

"Optical phonon attenuation in d-wave superconductors"
A. Sergeev, C. Preis, J. Keller, Physica B 263-264, 733 (1999)

"Coupling of intrinsic Josephson oscillations in layered superconductors"
C. Preis, C. Helm, J. Keller, A. Sergeev, R. Kleiner, Proceedings Material Science, Fundamental Properties and Future Electronic, Applications of High-Tc-Superconductors, Nato Advanced Study Institute, Albena, Bulgaria (1999), in print

"Metal-insulator transition in the Hubbard model"
Bulla, Th. Pruschke and A.C. Hewson, Physica B 259-261, 721 (1999)

"Exhaustion Physics in the Periodic Anderson Model: A T=0 NRG Study"
Th. Pruschke, R. Bulla and M. Jarrell, to appear in Physica B.