Kniha Interferometry with Interacting Bose-Einstein Condensates in a Double-Well Potential Tarik Berrada

Interferometry with Interacting Bose-Einstein Condensates in a Double-Well Potential

Autor: Tarik Berrada
Jazyk: Angličtina
Vazba: Pevná
Dostupnost: Skladem u dodavatele
Odesíláme za 10-13 dnů
2 286
This thesis demonstrates a full Mach-Zehnder interferometer with interacting Bose-Einstein condensat...

Informace o knize

Jazyk
Angličtina
Vazba
Kniha - Pevná
Vydáno
2015
Stránek
229
EAN
9783319272320
ISBN
3319272322
Enbook ID
02833017
Hmotnost
5029
Rozměry
155 x 235 x 19

Kompletní popis

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.§

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