Scherer, Manuel; Lücke, Bernd; Gebreyesus, Garu; Topic, Oliver; Deuretzbacher, Frank; Ertmer, Wolfgang; Santos, Luis; Arlt, Jan J.; Klempt, Carsten
(College Park, MD : American Physical Society, 2010)
Parametric amplification of quantum fluctuations constitutes a fundamental mechanism for spontaneous symmetry breaking. In our experiments, a spinor condensate acts as a parametric amplifier of spin modes, resulting in a ...