Search Results - "Bennemann, K.H."

Ultra-fast dynamics in solids: non-equilibrium behaviour of magnetism and atomic structure by Bennemann, K.H.

“…Non‐equilibrium physics is of fundamental interest, for example, for extensions of statistical mechanics and thermodynamics. In particular, it is important to…”
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Theory for nonlinear magnetooptics in metals by Bennemann, K.H

“…The electronic theory for nonlinear magnetooptics in metals is presented. Characteristic results are given for the enhancement of the Kerr rotation, its…”
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Theory for laser-induced ultrafast phase transitions in carbon by Jeschke, H.O., Garcia, M.E., Bennemann, K.H.

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Theory for the temperature induced reorientation of the magnetization in thin films by Jensen, P.J., Bennemann, K.H.

“…We study the temperature driven reorientation of the magnetization observed in thin ferromagnetic films. Taking into account the thermal variation of the layer…”
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Theory for the temperature driven continuous and discontinuous reorientation of the thin film magnetization by Jensen, P.J., Bennemann, K.H.

“…We present results for the temperature driven continuous and discontinuous reorientation of the magnetization in thin ferromagnetic films. A Heisenberg…”
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Ultra‐fast dynamics in solids: non‐equilibrium behaviour of magnetism and atomic structure by Bennemann, K.H.

“…Non‐equilibrium physics is of fundamental interest, for example, for extensions of statistical mechanics and thermodynamics. In particular, it is important to…”
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The origin of the 90 degree magneto-optical Kerr rotation in CeSb by Pustogowa, U., Hübner, W., Bennemann, K.H.

“…We calculate the linear magneto-optical Kerr rotation for CeSb in the near-infrared spectral range. Using an exact formula for large Kerr rotation angles and a…”
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Calculation of the elementary excitations and of the magnetic excitations in cuprates and Sr 2RuO 4 by Bennemann, K.H.

“…We assume for simplicity that electrons and holes interact dominantly with spin-fluctuations. Thus, we calculate the elementary excitations in hole doped…”
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Enhancement of the magneto-opticl Kerr rotation in nonlinear optical response by Pustogowa, U., Hübner, W., Bennemann, K.H.

“…Using an electronic theory we calculate the frequency-dependent nonlinear magneto-optical Kerr rotation and show that the second harmonic polarization ellipsis…”
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Theory for the interdependence of high- Tc superconductivity and dynamical spin fluctuations by Grabowski, S, Schmalian, J, Langer, M, Bennemann, K.H

“…The doping dependence of the superconducting state for the 2D one-band Hubbard Hamiltonian is determined. By using an Eliashberg theory within the FLEX…”
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Magnetic structure of films: Dependence on anisotropy and atomic morphology by Jensen, P.J., Bennemann, K.H.

“…In this review a number of magnetic properties of different thin film systems are investigated as functions of the temperature and the atomic morphology…”
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Transport and dynamics of optically excited electrons in metals by Aeschlimann, M., Bauer, M., Pawlik, S., Knorren, R., Bouzerar, G., Bennemann, K.H.

“…Time-resolved two-photon photoemission, based on the equal-pulse correlation technique, is used to measure the energy relaxation and the transport of the…”
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Thermodynamics of dissipative two-level system: A perturbation approach based on unitary transformation by Zheng, H., Bennemann, K.H.

“…The thermodynamics of a dissipative two-level system is studied by means of the perturbation approach based on a unitary transformation. Both the Ohmic and…”
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Calculation of the elementary excitations and of the magnetic excitations in cuprates and Sr2RuO4 by BENNEMANN, K. H

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Theory for laser-induced ultrafast phase transitions in carbon by Jeschke, H.O., Garcia, M.E., Bennemann, K.H.

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Elementary excitations in high- Tc cuprates: kink and resonance peak by Manske, D., Eremin, I., Bennemann, K.H.

“…Assuming the exchange of antiferromagnetic spin fluctuations as the Cooper pairing mechanism we calculate the kink-like change of the quasiparticle velocity…”
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Model study for the nonequilibrium magnetic domain structure during the growth of nanostructured ultrathin films by Brinzanik, R, Jensen, P.J, Bennemann, K.H

“…The nonequilibrium magnetic domain structure of growing ultrathin ferromagnetic films with a realistic atomic structure is studied as a function of coverage…”
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Temperature and size dependence of the optical response of small Ag $\mathsf{_n}$ clusters by Zabel, T., Garcia, M.E., Bennemann, K.H.

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High- Tc-superconductivity and shadow state formation in YBa 2Cu 3O 6+δ and Bi 2Sr 2CaCu 2O 8+δ by Grabowski, S., Schmalian, J., Bennemann, K.H.

“…The normal and superconducting state of YBa 2Cu 3O 6+δ and Bi 2Sr 2CaCu 2O 8+δ are investigated by using the mono- and bilayer Hubbard model within the…”
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Calculation of the short-time dynamics of the hot-electron distribution in noble and transition metals by Knorren, R., Bennemann, K.H.

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