Berlin 2012 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 45: Correlated Electrons: Poster Session

TT 45.105: Poster

Donnerstag, 29. März 2012, 15:00–19:00, Poster B

Statistical properties of interacting Rydberg gases — •David Breyel and Andreas Komnik — Institut für theoretische Physik, Universität Heidelberg

The main goal of our work is answering the question whether it is possible to detect the formation of a crystal in a gas of interacting Rydberg atoms by purely statistical means. We model the cycles of cloud formation and subsequent Rydberg atom number measurement using exact diagonalisation technique and plot the probability to produce N Rydberg atoms in a histogram. The resulting distribution is sub-Poissonian with distinct features due to interaction effects. We extract the density correlation function, which unambiguously points towards a condensed phase formation in the Rydberg cloud.