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Fakultät für Physik

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  • Professor/in em./i.R., Theoretische Physik

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Die folgenden Publikationen sind in der Online-Universitätsbibliographie der Universität Duisburg-Essen verzeichnet. Weitere Informationen finden Sie gegebenenfalls auch auf den persönlichen Webseiten der Person.

    Artikel in Zeitschriften

  • Usadel, Klaus; Storozhenko, Anastasiya; Arefyev, Igor; Nádasi, Hajnalka; Trittel, Torsten; Stannarius, Ralf; Veit, Peter; Eremin, Alexey
    Frequency-dependent conversion of the torque of a rotating magnetic field on a ferrofluid confined in a spherical cavity
    In: Soft matter Jg. 15 (2019) Nr. 44, S. 9018 - 9030
    ISSN: 1744-6848; 1744-683X
  • Usadel, Klaus
    Dynamics of magnetic nanoparticles in a viscous fluid driven by rotating magnetic fields
    In: Physical Review B Jg. 95 (2017) Nr. 10, S. 104430
    ISSN: 2469-9969; 2469-9950
  • Usadel, Klaus; Usadel, C.
    Dynamics of magnetic single domain particles embedded in a viscous liquid
    In: Journal of Applied Physics Jg. 118 (2015) Nr. 23, S. 234303
    ISSN: 0021-8979; 1089-7550
  • Usadel, Klaus
    Dynamics at finite temperatures of single-domain particles driven by rotating magnetic fields
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 87 (2013) Nr. 17, S. 174431
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Ney, A.; Ney, V.; Wilhelm, F.; Rogalev, A.; Usadel, Klaus
    Quantification of the magnetic exchange via element-selective high-field magnetometry : Co-doped ZnO epitaxial films
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 85 (2012) Nr. 24, S. 245202
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Usadel, Klaus; Stamps, R.L.
    Exchange bias : Dependence on the properties of the ferromagnetic interface layer
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 82 (2010) Nr. 9, S. 094432
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Usadel, Klaus; Nowak, Ulrich
    Exchange bias for a ferromagnetic film coupled to a spin glass
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 80 (2009) Nr. 1, S. 014418
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Sukhov, Alexander; Usadel, Klaus; Nowak, Ulrich
    Ferromagnetic resonance in an ensemble of nanoparticles with randomly distributed anisotropy axes
    In: Journal of magnetism and magnetic materials Jg. 320 (2008) Nr. 1-2, S. 31 - 35
    ISSN: 0304-8853
  • Beckmann, Björn; Nowak, Ulrich; Usadel, Klaus
    Cooling-field dependence of asymmetric reversal modes for ferromagnetic/antiferromagnetic multilayers
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 74 (2006) Nr. 5, S. 054431
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Stamps, Robert L.; Usadel, Klaus
    Dynamic consequences of exchange enhanced anisotropy in ferromagnet/antiferromagnet bilayers
    In: EPL (Europhysics Letters) Jg. 74 (2006) Nr. 3, S. 512 - 518
    ISSN: 1286-4854; 0295-5075
  • Usadel, Klaus
    Temperature-dependent dynamical behavior of nanoparticles as probed by ferromagnetic resonance using Landau-Lifshitz-Gilbert dynamics in a classical spin model
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 73 (2006) Nr. 21, S. 212405
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Wieser, Robert; Usadel, Klaus; Nowak, Ulrich
    Thermodynamic behavior of nanomagnets with a vortex configuration
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 74 (2006) Nr. 9, S. 094410
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Scholten, Gregor; Usadel, Klaus; Nowak, Ulrich
    Coercivity and exchange bias of ferromagnetic/antiferromagnetic multilayers
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 71 (2005) Nr. 6, S. 064413
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Wieser, Robert; Nowak, Ulrich; Usadel, Klaus
    Domain wall motion in nanowires
    In: Phase Transitions Jg. 78 (2005) Nr. 1-3, S. 115 - 120
    ISSN: 0141-1594; 1029-0338
  • Kampen, Maarten van; Soroka, Inna L.; Brucas, Rimantas; Hjörvarsson, Björgvin; Wieser, Robert; Usadel, Klaus; Hanson, M.; Kazakova, O.; Grabis, J.; Zabel, Hartmut; Jozsa, C.; Koopmans, B.
    On the realization of artificial XY spin chains
    In: Journal of Physics: Condensed Matter Jg. 17 (2005) Nr. 2, S. L27 - L33
    ISSN: 1361-648X; 0953-8984
  • Wieser, Robert; Nowak, Ulrich; Usadel, Klaus
    Domain wall mobility in nanowires: transverse versus vortex walls
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 69 (2004) Nr. 6, S. 064401
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Misra, Arkajyoti; Nowak, Ulrich; Usadel, Klaus
    Structure of domains in an exchange-bias model
    In: Journal of Applied Physics Jg. 95 (2004) Nr. 3, S. 1357 - 1363
    ISSN: 0021-8979; 1089-7550
  • Beschoten, Bernd; Keller, Jan; Nowak, Ulrich; Usadel, Klaus; Güntherodt, Gernot
    Testing the domain state model for exchange bias
    In: Physicalia Magazine Jg. 26 (2004) S. 109 - 118
    ISSN: 0770-0520
  • Ali, Mannan; Marrows, Christopher H.; Al-Jawad, Maisoon; Hickey, Bryan J.; Misra, Arkajyoti; Nowak, Ulrich; Usadel, Klaus
    Antiferromagnetic layer thickness dependence of the IrMn/Co exchange-bias system
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 68 (2003) Nr. 21, S. 214420
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Beckmann, Björn; Nowak, Ulrich; Usadel, Klaus
    Asymmetric reversal modes in ferromagnetic/antiferromagnetic multilayers
    In: Physical Review Letters Jg. 91 (2003) Nr. 18, S. 187201
    ISSN: 1079-7114; 0031-9007
  • Misra, Arkajyoti; Nowak, Ulrich; Usadel, Klaus
    Control of exchange bias by diluting the antiferromagnetic layer
    In: Journal of Applied Physics Jg. 93 (2003) Nr. 10, S. 6593
    ISSN: 0021-8979; 1089-7550
  • Nowak, Ulrich; Misra, Arkajyoti; Usadel, Klaus
    Simulations of the domain state model
    In: MRS Online Proceedings Library Jg. 746 (2003) S. Q7.4
  • Usadel, Klaus; Hucht, Alfred
    Anisotropy of ultrathin ferromagnetic films and the spin reorientation transition
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 66 (2002) Nr. 2, S. 024419
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Roters, Lars; Lübeck, Sven; Usadel, Klaus
    Depinning transition of a driven interface in the random-field Ising model around the upper critical dimension
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 66 (2002) Nr. 6, S. 069901
    ISSN: 2470-0053; 1550-2376
  • Roters, Lars; Usadel, Klaus
    Dimensional crossover and driven interfaces in disordered ferromagnets
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 65 (2002) Nr. 2, S. 027101
    ISSN: 2470-0053; 1550-2376
  • Keller, Jan; Miltenyi, Peter; Beschoten, Bernd; Güntherodt, Gernot; Nowak, Ulrich; Usadel, Klaus
    Domain state model for exchange bias. II. Experiments
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 66 (2002) Nr. 1, S. 014431
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Nowak, Ulrich; Usadel, Klaus; Miltenyi, Peter; Keller, Jan; Beschoten, Bernd; Güntherodt, Gernot
    Domain state model for exchange bias. I. Theory
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 66 (2002) Nr. 1, S. 014430
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Beschoten, Bernd; Tillmanns, Andrea; Keller, Jan; Güntherodt, Gernot; Nowak, Ulrich; Usadel, Klaus
    Domain state model for exchange bias: Influence of structural defects on exchange bias in Co/CoO
    In: Advances in solid state physics Jg. 42 (2002) S. 419 - 431
    ISSN: 1438-4329
  • Roters, Lars; Lübeck, Sven; Usadel, Klaus
    Interface motion in disordered ferromagnets
    In: Phase Transitions Jg. 75 (2002) Nr. 1-2, S. 257 - 263
    ISSN: 0141-1594; 1029-0338
  • Hausmanns, Britta; Krome, T. P.; Dumpich, Günter; Wassermann, Eberhard; Hinzke, Denise; Nowak, Ulrich; Usadel, Klaus
    Magnetization reversal process in thin Co nanowires
    In: Journal of magnetism and magnetic materials Jg. 240 (2002) Nr. 1-3, S. 297 - 300
    ISSN: 0304-8853
  • Nowak, Ulrich; Misra, Arkajyoti; Usadel, Klaus
    Modeling exchange bias microscopically
    In: Journal of magnetism and magnetic materials Jg. 240 (2002) Nr. 1-3, S. 243 - 247
    ISSN: 0304-8853
  • Hinzke, Denise; Usadel, Klaus
    Thermally assisted magnetization reversal in nanostructures
    In: Phase Transitions Jg. 75 (2002) Nr. 1-2, S. 67 - 72
    ISSN: 0141-1594; 1029-0338
  • Roters, Lars; Lübeck, Sven; Usadel, Klaus
    Creep motion in a random-field Ising model
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 63 (2001) Nr. 2, S. 026113
    ISSN: 2470-0053; 1550-2376
  • Nowak, Ulrich; Misra, Arkajyoti; Usadel, Klaus
    Domain state model for exchange bias
    In: Journal of Applied Physics Jg. 89 (2001) Nr. 11, S. 7269 - 7271
    ISSN: 0021-8979; 1089-7550
  • Roters, Lars; Lübeck, Sven; Usadel, Klaus
    Thermally activated interface motion in a disordered ferromagnet
    In: Computer Physics Communications Jg. 142 (2001) Nr. 1-3, S. 361 - 363
    ISSN: 0010-4655
  • Miltenyi, Peter; Gierlings, M.; Keller, Jan; Beschoten, Bernd; Güntherodt, Gernot; Nowak, Ulrich; Usadel, Klaus
    Diluted antiferromagnets in exchange bias: Proof of domain state model
    In: Physical Review Letters Jg. 84 (2000) Nr. 18, S. 4224 - 4227
    ISSN: 1079-7114; 0031-9007
  • Hucht, Alfred; Usadel, Klaus
    Influence of magnetic fields on the spin reorientation transition in ultrathin films
    In: Philosophical Magazine B: Physics of Condensed Matter, Statistical Mechanics, Electronic, Optical and Magnetic Properties Jg. 80 (2000) Nr. 2, S. 275 - 282
    ISSN: 1463-6417; 1364-2812
  • Roters, Lars; Lübeck, Sven; Usadel, Klaus
    Reply to "Comment on 'Critical behavior of a traffic flow model' "
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 61 (2000) Nr. 3, S. 3272 - 3274
    ISSN: 2470-0053; 1550-2376
  • Acharyya, Muktish; Nowak, Ulrich; Usadel, Klaus
    Transverse ordering of an antiferromagnet in a field with oblique angle to the easy axis
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 61 (2000) Nr. 1, S. 464 - 469
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Staats, Michael; Usadel, Klaus
    A Monte Carlo study of the specific heat of diluted antiferromagnets
    In: International Journal of Modern Physics C (IJMPC) Jg. 10 (1999) Nr. 1, S. 233 - 239
    ISSN: 1793-6586; 0129-1831
  • Roters, Lars; Lübeck, Sven; Usadel, Klaus
    Critical behavior of a traffic flow model
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 59 (1999) Nr. 3, S. 2672 - 2676
    ISSN: 2470-0053; 1550-2376
  • Roters, Lars; Hucht, Alfred; Lübeck, Sven; Nowak, Ulrich; Usadel, Klaus
    Depinning transition and thermal fluctuations in the random-field Ising model
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 60 (1999) Nr. 5, S. 5202 - 5207
    ISSN: 2470-0053; 1550-2376
  • Hucht, Alfred; Usadel, Klaus
    On the spin reorientation transition in ultra-thin Ni/Cu(0 0 1) films
    In: Journal of magnetism and magnetic materials Jg. 198-199 (1999) S. 493 - 495
    ISSN: 0304-8853
  • Kopec, Tadeusz K.; Usadel, Klaus
    The short-range interaction +/-J-random-bond spherical quantum spin glass on the Bethe lattice: dynamic correlations and thermodynamic functions
    In: Journal of Physics: Condensed Matter Jg. 11 (1999) Nr. 3, S. 807 - 820
    ISSN: 1361-648X; 0953-8984
  • Hucht, Alfred; Usadel, Klaus
    Theory of the spin reorientation transition in ultra thin ferromagnetic films
    In: Journal of magnetism and magnetic materials Jg. 203 (1999) Nr. 1-3, S. 88 - 90
    ISSN: 0304-8853
  • Lübeck, Sven; Schreckenberg, Michael; Usadel, Klaus
    Density fluctuations and phase transition in the Nagel-Schreckenberg traffic flow model
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 57 (1998) Nr. 1, S. 1171 - 1174
    ISSN: 2470-0053; 1550-2376
  • Jost, Michael; Usadel, Klaus
    Hysteris loops in a disordered ferromangnet
    In: Physica status solidi: B - Basic solid state physics Jg. 205 (1998) Nr. 1, S. R5 - R6
    ISSN: 1521-3951
  • Nowak, Ulrich; Usadel, Klaus
    Influence of temperature on the depinning transition of driven interfaces
    In: EPL (Europhysics Letters) Jg. 44 (1998) Nr. 5, S. 634
    ISSN: 1286-4854; 0295-5075
  • Nowak, Ulrich; Usadel, Klaus; Esser, Jörg
    Modified scaling relation for the random-field Ising model
    In: Physica A: Statistical mechanics and its applications Jg. 250 (1998) Nr. 1-4, S. 1 - 7
    ISSN: 0378-4371
  • Staats, Michael; Nowak, Ulrich; Usadel, Klaus
    Non-exponential relaxation in diluted antiferromagnets
    In: Phase Transitions Jg. 65 (1998) Nr. 1-4, S. 159 - 167
    ISSN: 0141-1594; 1029-0338
  • Jost, Michael; Usadel, Klaus
    On the automaton representation of the Edwards-Wilkinson model with quenched disorder
    In: Physica A Jg. 255 (1998) Nr. 1-2, S. 15 - 25
    ISSN: 0378-4371
  • Staats, Michael; Nowak, Ulrich; Usadel, Klaus
    On the relaxation dynamics of diluted antiferromagnets
    In: Journal of magnetism and magnetic materials Jg. 177-181 (1998) Nr. 1, S. 85 - 86
    ISSN: 0304-8853
  • Lübeck, Sven; Usadel, Klaus
    Bak-Tang-Wiesenfeld sandpile model around the upper critical dimension
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 56 (1997) Nr. 5, S. 5138 - 5143
    ISSN: 2470-0053; 1550-2376
  • Jost, Michael; Usadel, Klaus
    Domain wall roughening in three dimensional magnets at the depinning transition
    In: Physica A: Statistical Mechanics and its Applications Jg. 239 (1997) Nr. 4, S. 486 - 492
    ISSN: 0378-4371
  • Jost, Michael; Esser, Jörg; Usadel, Klaus
    Exact ground state calculation of the interface morphology in the two-dimensional random-field Ising model
    In: Physica status solidi: B - Basic solid state physics Jg. 202 (1997) Nr. 2, S. R11 - R12
    ISSN: 1521-3951
  • Esser, Jörg; Nowak, Ulrich; Usadel, Klaus
    Exact ground-state properties of disordered Ising systems
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 55 (1997) Nr. 9, S. 5866 - 5872
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Lübeck, Sven; Usadel, Klaus
    Numerical determination of the avalanche exponents of the Bak-Tang-Wiesenfeld model
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 55 (1997) Nr. 4, S. 4095 - 4099
    ISSN: 2470-0053; 1550-2376
  • Kopec, Tadeusz K.; Usadel, Klaus
    Quantum spin glass on the Bethe lattice
    In: Physical Review Letters Jg. 78 (1997) Nr. 10, S. 1988 - 1991
    ISSN: 1079-7114; 0031-9007
  • Hucht, Alfred; Usadel, Klaus
    Reorientation transition of ultrathin ferromagnetic films
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 55 (1997) Nr. 18, S. 12309 - 12312
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Jost, Michael; Usadel, Klaus
    The roughness exponent and the parallel correlation length in the Edwards-Wilkinson model with quenched disorder
    In: Physica status solidi: B - Basic solid state physics Jg. 202 (1997) Nr. 2, S. R3 - R4
    ISSN: 1521-3951
  • Hucht, Alfred; Usadel, Klaus
    Characterization of the reorientation transition in classical Heisenberg models with dipole interaction
    In: Journal of magnetism and magnetic materials Jg. 156 (1996) Nr. 1-3, S. 423 - 424
    ISSN: 0304-8853
  • Nowak, Ulrich; Esser, Jörg; Usadel, Klaus
    Diluted Ising-antiferromagnets in a field: ground state properties, fractality and non-exponential dynamics
    In: Journal de Physique I Jg. 6 (1996) Nr. 1, S. 37
    ISSN: 1155-4304
  • Nowak, Ulrich; Esser, Jörg; Usadel, Klaus
    Dynamics of domains in diluted antiferromagnets
    In: Physica A : Statistical mechanics and its applications Jg. 232 (1996) Nr. 1-2, S. 40 - 50
    ISSN: 0378-4371
  • Jost, Michael; Usadel, Klaus
    Interface roughening in driven magnetic systems with quenched disorder
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 54 (1996) Nr. 13, S. 9314 - 9321
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Lübeck, Sven; Tadic, Bosiljka; Usadel, Klaus
    Nonequilibrium phase transition and self-organized criticality in a sandpile model with stochastic dynamics
    In: Physical Review E: Statistical, nonlinear, and soft matter physics Jg. 53 (1996) Nr. 3, S. 2182 - 2189
    ISSN: 2470-0053; 1550-2376
  • Hartmann, Alexander K.; Usadel, Klaus
    Exact determination of all ground states of random field systems in polynomial time
    In: Physica A: Statistical mechanics and its applications Jg. 214 (1995) Nr. 2, S. 141 - 152
    ISSN: 0378-4371
  • Moschel, Andreas; Usadel, Klaus
    Influence of the film thickness on the direction of the magnetization in thin ferromagnetic films
    In: Journal of magnetism and magnetic materials Jg. 140-144, Part 1 (1995) S. 649 - 650
    ISSN: 0304-8853
  • Hucht, Alfred; Moschel, Andreas; Usadel, Klaus
    Monte-Carlo study of the reorientation transition in Heisenberg models with dipole interactions
    In: Journal of magnetism and magnetic materials Jg. 148 (1995) Nr. 1-2, S. 32 - 33
    ISSN: 0304-8853
  • Moschel, Andreas; Usadel, Klaus
    Reorientation transitions of first and second order in thin ferromagnetic films
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 51 (1995) Nr. 22, S. 16111 - 16114
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Moschel, Andreas; Usadel, Klaus
    Influence of the dipole interaction on the direction of the magnetization in thin ferromagnetic films
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 49 (1994) Nr. 18, S. 12868 - 12871
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Moschel, Andreas; Usadel, Klaus
    Magnetism of antiferromagnetically coupled multilayers
    In: Journal of magnetism and magnetic materials Jg. 136 (1994) Nr. 1-2, S. 99 - 104
    ISSN: 0304-8853
  • Usadel, Klaus; Jost, Michael
    Field-driven interface dynamics of a random soft-spin Ising model
    In: Journal of Physics A: Mathematical and Theoretical Jg. 26 (1993) Nr. 8, S. 1783 - 1787
    ISSN: 1751-8121; 1751-8113
  • Moschel, Andreas; Usadel, Klaus
    Magnetization of coupled ferromagnetic and antiferromagnetic films: Dependence on the interface coupling
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 48 (1993) Nr. 18, S. 13991 - 13994
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Moschel, Andreas; Usadel, Klaus; Hucht, Alfred
    Magnetization of ferromagnetic-antiferromagnetic double layers
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 47 (1993) Nr. 14, S. 8676 - 8680
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Yi, L.; Büttner, G.; Usadel, Klaus; Yao, K.-L.
    Quantum Heisenberg spin glass with Dzyaloshinskii-Moriya interactions
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 47 (1993) Nr. 1, S. 254 - 261
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Lübeck, Sven; Usadel, Klaus
    SOC in a class of sandpile models with stochastic dynamics
    In: Fractals: Complex geometry, patterns, and scaling in nature and society Jg. 1 (1993) Nr. 4, S. 1030 - 1036
    ISSN: 1793-6543; 0218-348X
  • Nowak, Ulrich; Usadel, Klaus
    Correlations and fractality in random Ising magnets
    In: Physica A: Statistical mechanics and its applications Jg. 191 (1992) Nr. 1-4, S. 203 - 207
    ISSN: 0378-4371; 1873-2119
  • Usadel, Klaus; Nowak, Ulrich
    Diluted antiferromagnets in a magnetic field: evidence for a spin glass phase
    In: Journal of magnetism and magnetic materials Jg. 104-107, Part 1 (1992) S. 179 - 180
    ISSN: 0304-8853
  • Büttner, G.; Usadel, Klaus
    Monte Carlo investigation of dynamic properties of the quantum Ising spin glass in a transverse field
    In: Journal of magnetism and magnetic materials Jg. 104-107, Part 3 (1992) S. 1601 - 1602
    ISSN: 0304-8853
  • Tadic, Bosiljka; Nowak, Ulrich; Usadel, Klaus; Ramaswamy, Ramakrishna; Padlewski, S.
    Scaling behavior in disordered sandpile automata
    In: Physical Review A Jg. 45 (1992) Nr. 12, S. 8536 - 8545
    ISSN: 1094-1622; 1050-2947
  • Nowak, Ulrich; Usadel, Klaus
    Structure of domains in random Ising magnets
    In: Physical Review B: Condensed Matter and Materials Physics Jg. 46 (1992) Nr. 13, S. 8329 - 8335
    ISSN: 1095-3795; 1550-235X; 2469-9969; 0163-1829; 0556-2805; 1098-0121; 2469-9950
  • Beiträge in Sammelwerken und Tagungsbänden

  • Roters, Lars; Hucht, Alfred; Lübeck, Sven; Nowak, Ulrich; Usadel, Klaus
    Dynamics of driven interfaces in heterogenous magnetic systems
    In: International Symposium on Structure and Dynamics of Heterogeneous Systems: from atoms, molecules and clusters in complex environment to thin films and multilayers ; Duisburg, Germany, 24 - 26 February 1999 / Entel, Peter; Wolf, Dietrich (Hrsg.), 2000, S. 338 - 344
    ISBN: 981-02-4251-4
  • Acharyya, Muktish; Nowak, Ulrich; Usadel, Klaus
    Phase diagram of a classical anisotropic Heisenberg antiferromagnet in a field
    In: International Symposium on Structure and Dynamics of Heterogeneous Systems: from atoms, molecules and clusters in complex environment to thin films and multilayers ; Duisburg, Germany, 24 - 26 February 1999 / Entel, Peter; Wolf, Dietrich (Hrsg.), 2000, S. 317 - 322
    ISBN: 981-02-4251-4
  • Hinzke, Denise; Nowak, Ulrich; Usadel, Klaus
    Thermally activated magnetization reversal in classical spin chains
    In: International Symposium on Structure and Dynamics of Heterogeneous Systems: from atoms, molecules and clusters in complex environment to thin films and multilayers ; Duisburg, Germany, 24 - 26 February 1999 / Entel, Peter; Wolf, Dietrich (Hrsg.), 2000, S. 331 - 337
    ISBN: 981-02-4251-4
  • Lübeck, Sven; Schreckenberg, Michael; Usadel, Klaus
    Density fluctuations and phase separation in a traffic flow model
    In: Workshop on Traffic and Granular Flow ’97. Gerhard-Mercator-Universität Duisburg, Germany, October 6 - 8, 1997 / Schreckenberg, Michael; Wolf, Dietrich (Hrsg.), 1998, S. 361 - 366
    ISBN: 981-3083-87-5
  • Lübeck, Sven; Roters, Lars; Usadel, Klaus
    Investigation of the dynamical structure factor of the Nagel-Schreckenberg traffic flow model
    In: Workshop on Traffic and Granular Flow ’97. Gerhard-Mercator-Universität Duisburg, Germany, October 6 - 8, 1997 / Schreckenberg, Michael; Wolf, Dietrich (Hrsg.), 1998, S. 355 - 360
    ISBN: 981-3083-87-5
  • Roters, Lars; Lübeck, Sven; Usadel, Klaus
    The dynamical structure factor and critical behavior of a traffic flow model
    In: Fractals and beyond : complexities in the sciences; selected contrib. of the 5th internat. multidisciplinary conf. on fractals, Valetta, Malta, 25 - 28 Oct. 1998 / Novak, Miroslav M. (Hrsg.), 1998, S. 261 - 267
    ISBN: 981-02-3593-3
  • Jost, Michael; Usadel, Klaus
    Domain wall roughening in disordered media: From local spin dynamics to a continuum description of the interface
    In: Fractals and chaos in chemical engineering : proceedings of the International CFIC 96 conference, Rome, Italy, 2-5 September 1996 / Giona, Massimiliano; Biardi, G. (Hrsg.), 1997, S. 293 - 304
    ISBN: 981-02-3165-2
  • Usadel, Klaus; Lübeck, Sven
    Numerical determination of the avalanche exponents of the Bak-Tang-Wiesenfeld model
    In: Pilot Conference on Scientific Computing in Europe 1996. Conference proceedings : September 2 - 4, 1996, Dublin Ireland / Ruskin, Heather J. (Hrsg.), 1996
  • Lübeck, Sven; Usadel, Klaus; Tadic, Bosiljka
    Self-organized criticality and phase transition in a stochastic sandpile automaton
    In: Workshop on Traffic and Granular Flow: HLRZ, Forschungszentrum Jülich, Germany , October 9 - 11, 1995 / Wolf, Dietrich; Schreckenberg, Michael; Bachem, A. (Hrsg.), 1996, S. 367 - 371
    ISBN: 981-02-2635-7
  • Lübeck, Sven; Usadel, Klaus; Tadic, Bosiljka
    Fractal properties of relaxation clusters and phase transition in a stochastic sandpile automaton
    In: Fractal reviews in the natural and applied sciences : proceedings of the third IFIP Working Conference on Fractals in the Natural and Applied Sciences, 1995 / Novak, Miroslav M. (Hrsg.), 1995, S. 47 - 56
    ISBN: 0-412-71020-X
  • Jost, Michael; Usadel, Klaus
    Interface roughening in magnetic systems with quenched disorder
    In: Fractal reviews in the natural and applied sciences : proceedings of the third IFIP Working Conference on Fractals in the Natural and Applied Sciences, 1995 / Novak, Miroslav M. (Hrsg.), 1995, S. 356 - 364
    ISBN: 0-412-71020-X