Publications 1982-2001

[82]
G. Wellein, G. Hager, A. Basermann, and H. Fehske, CD CUG 2001,
Exact Diagonalization of Large Sparse Matrices: A Challenge for Modern Supercomputers
[81]
D. Ihle, C. Schindelin, and H. Fehske, Phys. Rev. B. 64 , 054419 (2001).
Magnetic order in the quasi-two-dimensional easy-plane XXZ model
[80]
A. Weiße, J. Loos, and H. Fehske, Phys. Rev. B. 64 , 104413 (2001).
Two-phase scenario for the metal-insulator transition in CMR manganites
[79]
A. Weiße, J. Loos, and H. Fehske, Phys. Rev. B. 64 , 054406 (2001); 64 , 149903(E) (2001).
Considerations on the quantum double-exchange Hamiltonian; Erratum
[78]
H. Fehske, M. Kinateder, G. Wellein, and A. R. Bishop, Phys. Rev. B. 63 , 245121 (2001).
Quantum lattice effects in mixed-valence transition-metal chain complexes
[77]
C. Schindelin, H. Fehske, H. Büttner, and D. Ihle J. Magn. Magn. Mater. 226-230 , 403 (2001).
Quantum effects in the 2D XY model
[76]
M. Holicki and H. Fehske, J. Magn. Magn. Mater. 226-230 , 397 (2001).
Landau approach to the spin-Peierls transition
[75]
M. Kinateder, G. Wellein, A. Basermann, and H. Fehske, in High Performance Computing in Science and Engineering '00
edited by E. Krause and W. Jäger, Springer-Verlag Berlin Heidelberg (2001), pp. 188-204.
Jacobi-Davidson algorithm with fast matrix vector multiplication on massively parallel and vector supercomputers
[74]
M. Holicki, H. Fehske, and R. Werner, Phys. Rev. B. 63 , 174417 (2001).
Magneto-elastic excitations in spin-Peierls systems
[73]
H. Fehske, C. Schindelin, A. Weiße, H. Büttner, and D. Ihle, Brazil. Jour. Phys. (2001) 30 , 720 (2000).
Quantum to classical crossover in the 2D easy-plane XXZ model
[72]
C. Schindelin, H. Fehske, H. Büttner, and D. Ihle, Phys. Rev. B. 62 , 12141 (2000).
Spin correlation functions and susceptibilities in the easy-plane XXZ chain
[71]
H. Fehske, M. Holicki, and A. Weiße, Advances in Solid State Physics, 40 , 235 (2000).
Lattice dynamical effects on the Peierls transition in one-dimensional metals and spin chains
[70]
H. Fehske, M. Deeg, and H. Büttner, in DFG: Macromolecular Systems: Microscopic Interactions and Macroscopic Properties
edited by H. Hoffmann, M. Schwoerer, and T. Vogtmann, Wiley-VCH Weinheim (2000), pp. 88-112.
Slave-Boson Approach to Strongly Correlated Electron Systems
[69]
A. Weiße, H. Fehske, G. Wellein, and A. R. Bishop, Phys. Rev. B 62 , R747 (2000).
Optimized phonon approach for the diagonalization of electron-phonon problems
[68]
H. Fehske, J. Loos, and G. Wellein, Phys. Rev. B 61 , 8016 (2000).
Lattice polaron formation: Effects of non-screened electron-phonon interaction
[67]
G. Wellein and H. Fehske, in High Performance Computing in Science and Engineering '99 edited by E. Krause and W. Jäger, Springer-Verlag Berlin Heidelberg (2000), pp. 112-129.
Towards the limits of present-day supercomputers: Exact diagonalization of strongly correlated electron-phonon systems
[66]
C. Schindelin, D. Ihle, S.-L. Drechsler, and H. Fehske, Physica B 281 & 282, 819 (2000).
Spin correlation functions and Neel order in the 2D Heisenberg model: Effects of spatial anisotropy
[65]
H. Fehske, G. Wellein, H. Büttner, A. R. Bishop, and M. I. Salkola, Physica B 281 & 282, 673 (2000).
Local mode behaviour in quasi-1D CDW systems
[64]
D. Ihle, C. Schindelin, A. Weiße, and H. Fehske, Phys. Rev. B 60, 9240 (1999).
Magnetic order-disorder transition in the two-dimensional spatially anisotropic Heisenberg model at zero temperature
[63]
A. Weiße, G. Wellein and H. Fehske, Phys. Rev. B 60, 6566 (1999).
Quantum lattice fluctuations in a frustrated Heisenberg spin-Peierls chain
[62]
H. Fehske, G. Wellein, and H. Büttner, J. Supercond., 12 , 65 (1999).
Pairing susceptibility of strongly correlated electrons weakly coupled to the lattice
[61]
J. Loos and H. Fehske, Physica B, 259-261, 801 (1999).
Spin excitations in ferromagnetic manganites
[60]
B. Büchner, H. Fehske, A. P. Kampf, and G. Wellein, Physica B, 259-261, 956 (1999).
Lattice dimerization for the spin-Peierls compound CuGeO3
[59]
A. Weiße, G. Bouzerar, and H. Fehske, Eur. Phys. Jour. B 7, 5 (1999).
A new model to describe the physics of (VO)2P2O7
[58]
A. Weiße and H. Fehske, Phys. Rev. B 58, 13526 (1998).
Peierls instability and optical response in the one-dimensional half-filled Holstein model of spinless fermions
[57]
G. Wellein, H. Fehske, and A. P. Kampf, Phys. Rev. Lett. 81, 3956 (1998).
Peierls dimerization with non-adiabatic spin-phonon coupling
[56]
G. Wellein and H. Fehske, Phys. Rev. B 58, 6208 (1998).
Self-trapping problem of electrons or excitons in one dimension
[55]
B. Bäuml, G. Wellein and H. Fehske, Phys. Rev. B 58, 3663 (1998).
Optical absorption and single-particle excitations in the 2D Holstein t-J model
[54]
G. Wellein, B. Bäuml, and H. Fehske, Recent Progress in Many-Body theories, edited by D. Neilson and R. F. Bishop, World Scientific, Singapore (1998), p. 481.
Dynamical pairing correlations in the t-J model with non-adiabatic hole-phonon coupling
[53]
U. Trapper, D.Ihle, H. Büttner, and H. Fehske, J. Magn. Magn. Mater. 177-181, 577 (1998).
Magnetic short-range order effects in the 2D t-J model
[52]
H. Fehske, J. Loos and G. Wellein, Z. Phys. B 104, 619 (1997).
Spectral properties of the 2D Holstein polaron
[51]
H. Fehske, G. Wellein, B. Bäuml, and R. N. Silver, Physica C 282-287, 1829 (1997).
Spectral properties of the 2D Holstein t-J model
[50]
G. Wellein, H. Fehske, H. Büttner, and A. R. Bishop, Physica C 282-287, 1827 (1997).
On the stability of polaronic superlattices in strongly coupled electron-phonon systems
[49]
U. Trapper, H. Fehske, and D. Ihle, Physica C 282-287, 1779 (1997).
Magnetic properties of the 2D t-t'-Hubbard model
[48]
G. Wellein and H. Fehske, Phys. Rev. B 55, 4513 (1997).
Polaron band formation in the Holstein model
[47]
J. Loos and H. Fehske, Phys. Rev. B 56, 3544 (1997).
Effective one-band electron-phonon Hamiltonian for nickel perovskites
[46]
U. Trapper, D. Ihle, and H. Fehske, Int. J. Mod. Phys. B 11, 1337 (1997).
Theory of magnetic short-range order for itinerant electron systems
[45]
H. Fehske, G. Wellein, B. Bäuml, and H. Büttner, Physica B 230-232, 899 (1997).
Polaronic effects in strongly coupled electron-phonon systems:
Exact diagonalization results for the 2D Holstein t-J model
[44]
U. Trapper, D. Ihle, and H. Fehske, Physica B 230-232, 906 (1997).
Theory of magnetic short-range order for high-Tc superconductors
[43]
C. Schindelin, U. Trapper, H. Fehske, and H. Büttner, Czech. J. Physics 46, 1881 (1996).
Theory of short-range magnetic order for the t-J model
[42]
J. Loos and H. Fehske, Czech. J. Physics 46 1879 (1996).
Interplay of charge and spin correlations in nickel perovskites
[41]
U. Trapper, D. Ihle, and H. Fehske, Phys. Rev. B 54, 7614 (1996).
Spin susceptibility and magnetic short-range order in the Hubbard model
[40]
G. Wellein, H. Röder, and H. Fehske, Phys. Rev. B 52, 9666 (1996).
Polarons and bipolarons in strongly interacting electron-phonon systems
[39]
U. Trapper, D. Ihle, and H. Fehske, Phys. Rev. B 52, R 11553 (1995).
Magnetic short-range versus long-range order in the Hubbard model
[38]
H. Fehske, H. Röder, G. Wellein, and A. Mistriotis, Phys. Rev. B 51, 16582 (1995).
Hole-polaron formation in the 2D Holstein-t-J model: A variational Lanczos study
[37]
D. Ihle and H. Fehske, J. Phys. A 28, L 275 (1995).
Unitary-transformation scheme for bi-/polaron correlation models
[36]
M. Deeg, H. Fehske, and H. Büttner, J. Phys.: Condensed Matter 7, L 245 (1995).
Magnetic correlations and spin dynamics in the t-t'-J model
[35]
H. Fehske and M. Deeg, J. Low Temp. Phys. 99, 425 (1995).
Magnetism and transport in the t-t'-J model
[34]
H. Fehske and M. Deeg, Solid State Commun. 93, 41 (1995).
Hall resistivity of hole- and electron-doped high-Tc cuprates
[33]
M. Deeg and H. Fehske, Phys. Rev. B 50, 17874 (1994).
Slave-boson study of the t-t'-J model: phase diagram, spin susceptibility and Hall resistivity
[32]
H. Röder, H. Fehske, and R. N. Silver, Europhys. Lett. 28, 257 (1994).
The ordering of polarons in the Holstein-t-J model: An application to La2-xSrxNiO4+y
[31]
D. Ihle, H. Fehske, J. Loos, and U. Trapper, Physica C 235-240, 2363 (1994).
Bi-/Polaron formation and optical conductivity in the Holstein-Hubbard model
[30]
H. Fehske and M. Deeg, Physica C 235-240, 2243 (1994).
Transport and charge/magnetic order in the 2D (Holstein-) t-t'-J model
[29]
M. Deeg, H. Fehske, S. Körner, S. Trimper, and D. Ihle, Z. Phys. B 95, 87 (1994).
Dynamic spin and charge susceptibilities in the t-J model
[28]
M. Deeg, H. Fehske, and H. Büttner, Europhys. Lett. 26, 109 (1994).
Magnetic Phase Diagram and Transport Properties of the t-J Model: A Spin-Rotation-Invariant Slave-Boson Approach
[27]
H. Fehske, D. Ihle, J. Loos, U. Trapper, and H. Büttner, Z. Phys. B 94, 91 (1994).
Polaron formation and hopping conductivity in the Holstein-Hubbard model
[26]
H. Fehske and H. Röder, NATO Advanced Research Workshop on Nonlinear Coherent Structures in Physics and Biology, Bayreuth 1993, edited by K. H. Spatschek and F. G. Mertens, NATO ASI series B 329, p. 233, Plenum Press, New York, (1994).
The phase diagram of the 2D Holstein-t-J model
[25]
H.Fehske, U. Trapper, M. Deeg, and H. Büttner, NATO Advanced Research Workshop on Nonlinear Coherent Structures in Physics and Biology, Bayreuth 1993, edited by K. H. Spatschek and F. G. Mertens, NATO ASI series B 329, p. 229, Plenum Press, New York, (1994).
Variational slave boson approach to the Holstein-Hubbard model
[24]
U. Trapper, H. Fehske, M. Deeg and H. Büttner, Z. Phys. B 93, 465 (1994).
Electron correlations and quantum lattice vibrations in strongly coupled electron-phonon systems: a variational slave boson approach
[23]
V. Waas, H. Fehske, and H. Büttner, Phys. Rev. B 48, 9106 (1993).
Exact diagonalization study of the t-J model in the low-density limit:
Implications for phase separation
[22]
H. Fehske, H. Röder, A. Mistriotis, and H. Büttner, J. Phys. Condens. Matter 5, 3565 (1993).
The phase diagram of the 2D Holstein-t-J model near half-filling
[21]
H. Röder, H. Fehske, and H. Büttner, Phys. Rev. B 47, 12420 (1993).
Exact diagonalisation study of the 2D t-J model with adiabatic Holstein phonons: Single hole case
[20]
M. Deeg, H. Fehske, and H. Büttner, Z. Phys. B 91, 31 (1993).
Slave-boson phase diagram of the two-dimensional extended Hubbard model:
Influence of electron-phonon coupling
[19]
M. Deeg, H. Fehske, and H. Büttner, Z. Phys. B 88, 283 (1992).
Slave boson mean field theory for the 2D Peierls Hubbard system
[18]
H. Fehske, M. Deeg, and H. Büttner, Phys. Rev. B 46, 3713 (1992).
Two-dimensional Peierls-Hubbard model within the slave-boson approach
[17]
H. Röder, H. Fehske, V. Waas, and H. Büttner, Phys. Rev. B 45, 13092 (1992).
Thermodynamics of the two-dimensional t-J model
[16]
H. Fehske, V. Waas, H. Röder, and H. Büttner, Phys. Rev. B 44, 8473 (1991).
Hole dynamics in a strongly correlated two-dimensional spin background
[15]
H. Röder, V. Waas, H. Fehske, and H. Büttner, Phys. Rev. B 43, 6284 (1991).
Holes in a two-dimensional Hubbard antiferromagnet
[14]
H. Fehske, V. Waas, H. Röder, and H. Büttner, Solid State Commun. 76, 1333 (1990).
On the possibility of phase separation in the extended Hubbard model
[13]
H. Fehske and D. Ihle, J. Phys. Soc. Jpn. 58, 360 (1989).
On the T 3lnT law in the specific heat of spin-fluctuation compounds
[12]
D. Ihle and H. Fehske, Phys. Rev. B 39, 2106 (1989).
Fermi-surface geometry and pressure effects on the spin-fluctuation contributions to the specific heat:
Anisotropic spin-fluctuation model for heavy-fermion UPt3
[11]
H. Fehske and D. Ihle, J. Phys. C 21, 4663 (1988).
On the coexistence of ferro- and antiferromagnetic spin fluctuations and their contributions to the specific heat
[10]
H. Fehske and D. Ihle, J. Phys. F 18, 33 (1988).
Flatness in the wave-vector-dependent response function of metals with a corrugated cylindrical Fermi surface: Consequences for the paramagnon mass enhancement
[9]
H. Fehske and D. Ihle, Proceedings of the 6 th International Seminar on Magnetism, Wiss. Zeitschrift der Hochschule für Verkehrswesen Dresden 31, 113, Dohma(1987).
Effects of Fermi surface geometry on the spin susceptibility: Model calculation
[8]
H. Fehske and D. Ihle, J. Phys. F 17, 2109 (1987).
Effects of Fermi surface anisotropy and topology on the spin susceptibility of metals
[7]
H. Fehske, Phys. Status Solidi B 130, K121 (1985).
On a simple functional moment approach to itinerant magnetism:
Application to Ni
[6]
B. Lorenz and H. Fehske, Phys. Status Solidi B 126, 235 (1984).
Critical study of the static functional integral method in the Hubbard model
[5]
H. Fehske and B. Lorenz, Lecture Notes in Physics 206 Static Critical Phenomena in Inhomogeneous System, edited by A. Pekalski and J. Sznajd (Berlin 1984). Springer-Verlag.
Some remarks on the spin fluctuation theories for itinerant electrons
[4]
H. Fehske and B. Lorenz, J. Phys. C 17, 5031 (1984).
On the validity of the static approximation in the spin-fluctuation theory for itinerant electrons
[3]
H. Fehske, E. Kolley, and W. Kolley, Phys. Status Solidi B 123, 553 (1984).
Spin-glass behaviour in disordered Hubbard alloys
[2]
H. Fehske, Phys. Status Solidi B 120, 611 (1983).
Spin fluctuations in alloys with random transfer
[1]
E. Kolley, W. Kolley, and H. Fehske, Phys. Status Solidi B 109, 551 (1982).
CPA study of the electrical coductivity for various percolation models