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Regensburg 2016 – scientific programme

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O: Fachverband Oberflächenphysik

O 30: 1D Metal Wires on Semiconductors I

O 30.8: Talk

Tuesday, March 8, 2016, 12:30–12:45, S052

Dynamic Ginzburg-Landau theory for the Peierls transition in In/Si(111) — •Yasemin Ergün and Eric Jeckelmann — Leibniz Universität Hannover, Germany

We investigate thermal fluctuations and collective excitations in quasi-one-dimensional charge-density-wave systems using the Ginzburg-Landau (GL) theory. Starting from a microscopic Su-Schrieffer-Heeger-like model for In/Si(111), we generalized the GL theory for grand canonical Peierls transitions. The equilibrium properties and the non-equilibrium dynamics are simulated using the Langevin approach. We discuss our theoretical results in relation to doping and spectroscopy experiments for In/Si(111). Support from the DFG through the Research Unit FOR 1700 is gratefully acknowledged.

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