The dynamics of pair condensate formation in a strongly interacting Fermi gas close to a Feshbach resonance was studied. We employed a phase-shift method in which the delayed response of the many-body system to a modulation of the interaction strength was recorded. The observable was the fraction of condensed molecules in the cloud after a rapid magnetic field ramp across the Feshbach resonance. The measured response time was slow compared to the rapid ramp, which provides final proof that the molecular condensates reflect the presence of fermion pair condensates before the ramp.

Zwierlein, M., Schunck, C., Stan, C., Raupach, S., Ketterle, W. (2005). Formation dynamics of a fermion pair condensate. PHYSICAL REVIEW LETTERS, 94(18), 180401 [10.1103/PhysRevLett.94.180401].

Formation dynamics of a fermion pair condensate

SCHUNCK, CHRISTIAN;
2005-01-01

Abstract

The dynamics of pair condensate formation in a strongly interacting Fermi gas close to a Feshbach resonance was studied. We employed a phase-shift method in which the delayed response of the many-body system to a modulation of the interaction strength was recorded. The observable was the fraction of condensed molecules in the cloud after a rapid magnetic field ramp across the Feshbach resonance. The measured response time was slow compared to the rapid ramp, which provides final proof that the molecular condensates reflect the presence of fermion pair condensates before the ramp.
2005
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore FIS/01 - FISICA SPERIMENTALE
English
Zwierlein, M., Schunck, C., Stan, C., Raupach, S., Ketterle, W. (2005). Formation dynamics of a fermion pair condensate. PHYSICAL REVIEW LETTERS, 94(18), 180401 [10.1103/PhysRevLett.94.180401].
Zwierlein, M; Schunck, C; Stan, C; Raupach, S; Ketterle, W
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/189689
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