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Q: Fachverband Quantenoptik und Photonik

Q 5: Quantengase (Bose-Einstein-Kondensation)

Q 5.4: Talk

Monday, March 19, 2007, 15:00–15:15, 6J

Noise-induced phase transitions — •María Eckholt¹, Juan José García-Ripoll^1,2, and Ignacio Cirac¹ — ¹Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching (Germany) — ²Dpto. de Física Teórica I, Facultad de CC. Físicas, Universidad Complutense, Ciudad Universitaria s/n, 28040 Madrid (Spain)

We study the quantum phase transition of ultracold bosonic atoms in the presence of a noisy environment. The study comprehends different analytical and numerical techniques to estimate the phases of the atoms.