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- Centre National de la Recherche ScientifiqueFR238 papers
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66 papers · 1 filter
Two-Dimensional Critical Potts and its Tricritical Shadow
Wolfhard Janke, Adriaan M. J. Schakel
These notes give examples of how suitably defined geometrical objects encode in their fractal structure thermal critical behavior. The emphasis is on the two-dimensional Potts mode…
Nuclear rainbow scattering and nucleus-nucleus potential
Dao T. Khoa, W. von Oertzen, H. G. Bohlen +1
Elastic scattering of alpha-particle and some tightly-bound light nuclei has shown the pattern of rainbow scattering at medium energies, which is due to the refraction of the incid…
Spin wave excitations: The main source of the temperature dependence of Interlayer exchange coupling in nanostructures
S. Schwieger, J. Kienert, K. Lenz +3
Quantum mechanical calculations based on an extended Heisenberg model are compared with ferromagnetic resonance (FMR) experiments on prototype trilayer systems Ni_7/Cu_n/Co_2/Cu(00…
Nodal domains in open microwave systems
U. Kuhl, R. Hoehmann, H. -J. Stoeckmann +1
Nodal domains are studied both for real and imaginary part of the wavefunctions of an open microwave cavity and found to show the same behavior as wavefunctions in clos…
Pseudo-Triangulations - a Survey
Guenter Rote, Francisco Santos, Ileana Streinu
A pseudo-triangle is a simple polygon with three convex vertices, and a pseudo-triangulation is a face-to-face tiling of a planar region into pseudo-triangles. Pseudo-triangulation…
Spacetime Approach to Phase Transitions
Wolfhard Janke, Adriaan M. J. Schakel
In these notes, the application of Feynman's sum-over-paths approach to thermal phase transitions is discussed. The paradigm of such a spacetime approach to critical phenomena is p…