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55 papers · 1 filter
Magnification Laws of Winner-Relaxing and Winner-Enhancing Kohonen Feature Maps
Jens Christian Claussen
Self-Organizing Maps are models for unsupervised representation formation of cortical receptor fields by stimuli-driven self-organization in laterally coupled winner-take-all feedf…
Self-Organized Formation of Fractal and Regular Pores in Semiconductors
Jens Christian Claussen, Jürgen Carstensen, Marc Christophersen +2
Electrochemical etching of semiconductors, beside technical applications, provides an interesting experimental setup for self-organized structure formation capable of regular, diam…
A Possible Origin of the Mass-Metallicity Relation of Galaxies
J. Koeppen, C. Weidner, P. Kroupa
Observations show that galaxies follow a mass-metallicity relation over a wide range of masses. One currently favoured explanation is that less massive galaxies are less able to re…
Wigner function quantum molecular dynamics
Vladimir Filinov, Michael Bonitz, Alexei Filinov +1
Classical molecular dynamics (MD) is a well established and powerful tool in various fields of science, e.g. chemistry, plasma physics, cluster physics and condensed matter physics…
Path integral Monte Carlo simulation of charged particles in traps
Alexei Filinov, Jens Böning, Michael Bonitz
This chapter is devoted to the computation of equilibrium (thermodynamic) properties of quantum systems. In particular, we will be interested in the situation where the interaction…
Crystallization in mass-asymmetric electron-hole bilayers
P. Ludwig, A. Filinov, Yu. E. Lozovik +2
We consider a \textit{mass-asymmetric} electron and hole bilayer. Electron and hole Coulomb correlations and electron and hole quantum effects are treated on first princles by path…