Interferometry with Interacting Bose-Einstein Condensates in a Double-Well Potential (Paperback, Softcover reprint of the original 1st ed. 2016)

This thesis demonstrates a full Mach-Zehnder interferometer with interacting Bose-Einstein condensates confined on an atom chip. It relies on the coherent manipulation of atoms trapped in a magnetic double-well potential, for which the author developed a novel type of beam splitter. Particle-wave duality enables the construction of interferometers for matter waves, which complement optical interferometers in precision measurement devices, both for technological applications and fundamental tests. This requires the development of atom-optics analogues to beam splitters, phase shifters and recombiners. Particle interactions in the Bose-Einstein condensate lead to a nonlinearity, absent in photon optics. This is exploited to generate a non-classical state with reduced atom-number fluctuations inside the interferometer. This state is then used to study the interaction-induced dephasing of the quantum superposition. The resulting coherence times are found to be a factor of three longer than expected for coherent states, highlighting the potential of entanglement as a resource for quantum-enhanced metrology.

General

Imprint:	Springer International Publishing AG
Country of origin:	Switzerland
Series:	Springer Theses
Release date:	March 2019
First published:	2016
Authors:	Tarik Berrada
Dimensions:	235 x 155mm (L x W)
Format:	Paperback
Pages:	229
Edition:	Softcover reprint of the original 1st ed. 2016
ISBN-13:	978-3-319-80097-4
Categories:	Books > Science & Mathematics > Physics > Atomic & molecular physics Books > Science & Mathematics > Physics > States of matter > Low temperature physics Books > Science & Mathematics > Physics > Quantum physics (quantum mechanics) > General
LSN:	3-319-80097-3
Barcode:	9783319800974

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