Publications of the DFG Research Group

C. Kübert and A. Muramatsu,
Quantum disordered phase in a doped antiferromagnet,
Europhys. Lett. 30, 481-486 (1995).
P. Schmitteckert, P. Schwab and U. Eckern,
Quantum Coherence in an Exactly Solvable One-dimensional Model with Defects,
Europhys. Lett. 30, 543-548 (1995).
V. Eyert, K.-H. Höck and P. S. Riseborough,
The electronic structure of La₂BaCuO₅ : A magnetic insulator,
Europhys. Lett. 31, 385-391 (1995).
U. Eckern and K.-H. Höck,
Elektronen - fast so schwer wie Wasserstoff,
Physik in unserer Zeit 2/1995, pp. 83-87 (1995).
E. Goering, O. Müller, M. Klemm, J.-P. Urbach, M. L. den Boer and S. Horn,
Angular dependent soft x-ray absorption spectroscopy of V₂O₅ and V₆O₁₃,
Physica B 208, 300 (1995).
U. Eckern and P. Schwab,
Normal Persistent Currents,
Adv. Phys. 44, 387-404 (1995).
S. Klee and A. Muramatsu,
SO(3) nonlinear σ model for a doped quantum helimagnet,
Nucl. Phys. B 473, 539-578 (1996).
C. Kübert and A. Muramatsu,
Gauge Theory for a Doped Antiferromagnet in a Rotating Reference-Frame,
Int. J. Mod. Phys. B 10, 3807-3826 (1996).
G. Schütz and P. Fischer,
X-Ray Circular Magnetic Dichroism,
Europhysics News 27, 101 (1996).
P. Schmitteckert and U. Eckern
Phase Coherence in a Random One-Dimensional System of Interacting Fermions: A Density Matrix Renormalization Group Study,
Phys. Rev. B 53, 15397-15400 (1996).
V. Eyert,
A comparative study on methods for convergence acceleration of iterative vector sequences,
J. Comput. Phys. 124, 271-285 (1996).
R. Claessen, R. O. Anderson, G.-H. Gweon, J. W. Allen, W. P. Ellis, C. Janowitz, C. G. Olson, Z. X. Shen, V. Eyert, M. Skibowski, K. Friemelt, E. Bucher and S. Hüfner,
Complete band structure determination of the quasi-twodimensional Fermi liquid reference compound TiTe₂,
Phys. Rev. B 54, 2453-2465 (1996).
H. Schuler, G. Weissmann, S. Six and S. Horn,
Effect of Growth Conditions and Buffer Layers on the Metal-Insulator Transition in V₂V₃ -Thin Films,
Mat. Res. Soc. Symp. Proc. 401, 61-66 (1996).
P. Schmitteckert, P. Schwab and U. Eckern,
Reply to the Comment by A.A. Zvyagin and H. Johannesson on our paper "Quantum Coherence in an Exactly Solvable One-dimensional Model with Defects",
Europhys. Lett. 35, 153-154 (1996).
P. Schwab and U. Eckern,
Impurity Spin Dynamics and Quantum Coherence in Mesoscopic Rings,
Ann. Phys. (Leipzig) 5, 57-87 (1996).
D. Maurer, R. Heichele, N. Lingg, V. Müller and K. H. Rieder,
Ultrasonic study of the elastic behaviour of zone refined single-crystalline Rh,
J. de Physique IV (France) 6, Colloque C8, 535-538 (1996).
D. Maurer, E. Gordesch, N. Lingg and V. Müller,
Elastic microanalysis at lower temperatures,
J. de Physique IV (France) 6, Colloque C8, 787-790 (1996).
R.A. Goschke, K. Vey, M. Mayer, U. Walter, E. Goering, M. Klemm and S. Horn,
Tip induced changes of atomic scale images of the vanadiumpentoxide surfaces,
Surface Science 348, 505 (1996).
H. Schuler, S. Klimm and S. Horn,
Correlation between Structural and Electronic Properties of Strained V₂O₃ Thin Films,
Mat. Res. Soc. Symp. Proc. 441, 451 (1996).
D. Maurer, R. Heichele, N. Lingg, V. Müller and K. H. Rieder,
Elastic properties of purified single-crystalline Rhodium,
phys. stat. sol. (a) 160, 403-411 (1997).
C. R. Werner and U. Eckern,
Non-linear conductivity of charge-density-wave systems,
Ann. Physik 6, 595-610 (1997).
R. Gade,
On the Quantum Affine Superalgebra U_q(gl(2|2)),
Nucl. Phys. B 500, 547-564 (1997).
P. Schwab and U. Eckern,
Persistent current induced by magnetic impurities,
Z. Phys. B 103, 97-103 (1997).
R. Claessen, Th. Straub, P. Steiner, S. Hüfner, V. Eyert, R. O. Anderson, J. W. Allen, C. Janowitz and C. G. Olson,
Angle-resolved photoelectron spectroscopy on the Fermi liquid reference compound TiTe₂,
Physica B 230-232, 294-296 (1997).
S. Klimm, G. Gerstmeier, H. Paulin, M. Klemm and S. Horn,
Magnetic Anisotropy in the SDW-State of Metallic V_2-yO₃ Observed by Magneto Transport Measurements on Oriented Single Crystals,
Physica B 230-232, 992-995 (1997).
E. Goering, M. Schramme, O. Müller, H. Paulin, M. Klemm, M. L. den Boer and S. Horn,
Angular Resolved Photoemission on V₂O₃ and VO₂,
Physica B 230-232, 996-998 (1997).
E. Goering, M. Schramme, O. Müller, R. Barth, H. Paulin, M. Klemm, M. L. den Boer and S. Horn,
LEED and Photoemission Study of the Stability of VO₂ surfaces,
Phys. Rev. B 55, 4225-4230 (1997).
Th. Straub, R. Claessen, P. Steiner, S. Hüfner, V. Eyert, K. Friemelt and E. Bucher,
Many-body definition of a Fermi surface: Application to angle-resolved photoemission,
Phys. Rev. B 55, 13473-13478 (1997).
H. Schuler, S. Klimm, G. Weissmann, C. Renner and S. Horn,
Influence of Strain on the Electronic Properties of Epitaxial V₂O₃ Thin Films,
Thin Solid Films 299, 119-124 (1997).
V. Eyert,
Electronic structure calculations for crystalline materials,
in: Density Functional Methods: Applications in Chemistry and Materials Science,
edited by M. Springborg (Wiley, Chichester, 1997), pp. 233-304.
O. Müller, E. Goering, J.-P. Urbach, T. Weber, H. Paulin, M. Klemm, M. L. den Boer and S. Horn,
Metal-Insulator Transition of VO₂: a XANES Investigation of the O-K-Edge,
J. de Physique IV (France) 7, Colloque C2, 533-534 (1997).
J.-P. Urbach, O. Müller, E. Goering, H. Paulin, M. Klemm, M. L. den Boer and S. Horn,
Characterization of the Metallic and Insulating Phase of V₂O₃ and (V,Cr)₂O₃ by XANES,
J. de Physique IV (France) 7, Colloque C2, 535-536 (1997).
V. Eyert, B. Siberchicot and M. Verdaguer,
Magnetism and chemical bonding in the High-T_C molecule-based cyanide magnets CsM[Cr(CN)₆] (M = Mn, Ni) from first principles,
Phys. Rev. B 56, 8959-8969 (1997).
O. Müller, J.-P. Urbach, E. Goering, T. Weber, R. Barth, H. Schuler, M. Klemm, S. Horn and M. L. den Boer,
Spectroscopy of Metallic and Insulating V₂O₃,
Phys. Rev. B 56, 15056-15061 (1997).
H. Schuler, S. Grigoriev and S. Horn,
High quality epitaxial V₂O₃ thin films: A material for infrared switching applications ?,
Mat. Res. Soc. Symp. Proc. 474, ??? (1997).
M. Lohmann, A. Loidl, M. Klemm, G. Obermeier and S. Horn,
ESR Study of the Spin-Peierls Transition in NaV₂O₅,
Solid State Commun. 104, 649-652 (1997).
E. Goering, O. Müller, M. Klemm, M. L. den Boer and S. Horn,
Angular dependent soft x-ray absorption spectroscopy of V₂O₅,
Phil. Mag. B 75, 229 (1997).
P. Schmitteckert, T. Schulze, C. Schuster, P. Schwab and U. Eckern,
Anderson localization versus delocalization of interacting fermions in one dimension,
Phys. Rev. Lett. 80, 560-563 (1998).
V. Eyert, K.-H. Höck, S. Fiechter and H. Tributsch,
Electronic structure of FeS₂: The crucial role of electron-lattice interaction,
Phys. Rev. B 57, 6350-6359 (1998).
V. Eyert and K.-H. Höck,
The electronic structure of V₂O₅ : Role of octahedral deformations,
Phys. Rev. B 57, 12727-12737 (1998).
C. Schuster and U. Eckern,
Interaction versus dimerization in one-dimensional Fermi systems,
Eur. Phys. J. B 5, 395-402 (1998).
L. Amico, A. Osterloh and U. Eckern,
One-Dimensional XXZ Model for Particles Obeying Fractional Statistics,
Phys. Rev. B 58, 1703-1706 (1998).
A.Muramatsu,
Quantum Monte Carlo for lattice fermions,
in: NATO Science series C: Mathematical and physical sciences. NATO ASI on Quantum Monte Carlo Methods in Physics and Chemistry, Cornell University, 13-24 July, 1998.
M. Brunner and A. Muramatsu,
Quantum Monte Carlo simulations of infinitely strongly correlated fermions,
Phys. Rev. B 58, 10100-10103 (1998).
U. Eckern and K. Ziegler,
Transport in a nearly periodic potential with a magnetic field,
J. Phys.: Cond. Matt. 10, 6749-6760 (1998).
R. Gade,
Universal R-Matrix and graded Hopf algebra structure of U_q(gl(2|2)),
J. Phys. A 31, 4909-4925 (1998).
J. Hemberger, M. Lohmann, M. Nicklas, A. Loidl, M. Klemm, G. Obermeier and S. Horn,
Thermodynamic, transport and magnetic properties of α'-NaV₂O₅,
Europhys. Lett. 42, 661-666 (1998).
K. Büker, S. Fiechter, V. Eyert and H. Tributsch,
Photoelectrochemistry of highly Zn-doped pyrite as compared with isostructural FeS₂,
J. Electrochem. Soc. 146, 261-265 (1999).
S. Mederle-Hoffmeister, S. Klimm, M. Klemm and S. Horn,
Magnetotransport measurements on V₂O₃ under high pressure,
Physica B 259-261, 851-852 (1999).
M. Lohmann, J. Hemberger, M. Nicklas, H. A. Krug von Nidda, A. Loidl, M. Klemm, G. Obermeier and S. Horn,
LiV₂O₄: a heavy-fermion transition metal oxide?,
Physica B 259-261, 963-964 (1999).
M. Lohmann, J. Hemberger, M. Nicklas, A. Loidl, M. Klemm, G. Obermeier and S. Horn,
Thermodynamic, transport and magnetic properties of α'-NaV₂O₅,
Physica B 259-261, 983-984 (1999).
A. Krimmel, A. Loidl, M. Klemm, S. Horn and H. Schober,
Dramatic Change of the Magnetic Response in LiV₂O₄: Possible Heavy Fermion to Itinerant d-Metal Transition,
Phys. Rev. Lett. 82, 2919-2922 (1999).
E. Goering, D. Ahlers, K. Attenkofer, G. Obermeier, S. Horn and G. Schütz,
XMCD and magnestism of the ferrimagnetic system NaV₆O₁₁,
J. Synch. Rad. 6, 537-539 (1999).
V. Eyert, K.-H. Höck, S. Horn, A. Loidl, and P. S. Riseborough,
Electronic structure and magnetic interactions in LiV₂O₄,
Europhys. Lett. 46, 762-767 (1999).
E. Goering, M. Schramme, O. Müller, R. Barth, H. Paulin, M. Klemm, M. L. den Boer and S. Horn,
Relationship Between Resonant Photoemission and Density of States in VO₂ and V₂O₃,
submitted to Phys. Rev. B
S. Tiefenbacher, C. Pettenkofer, V. Eyert, A. Klein and W. Jaegermann,
Valence band structure of a WS₂ monolayer film,
submitted to Phys. Rev. B
V. Eyert, R. Horny, K.-H. Höck and S. Horn,
Lattice stabilization and electronic structure of MoO₂,
submitted to Phys. Rev. B
V. Eyert,
Basic notions and applications of the augmented spherical wave method,
to appear in: Electronic Structure of Materials,
edited by M. Defranceschi, a special issue of Int. J. Quantum Chem., (1999).
J. Augustin, V. Eyert, Th. Böker, W. Frentrup, H. Dwelk, C. Janowitz and R. Manzke,
Electronic band structure of the layered compound Td-WTe₂,
submitted to Phys. Rev. B
V. T. Moshnyaga, I. V. Khoroshun, A. Weidinger, S. Klimm, M. Zeitler, R. Tidecks, S. Horn and K. Samwer,
Magnetotransport in Chemically Derived La-Ca-Mn-O Thin Films,
submitted to J. Appl. Phys.