Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates

Christian Groß

ISBN 10: 3642256368 / ISBN 13: 9783642256363

Editore: Springer Berlin Heidelberg, 2012

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Druck auf Anfrage Neuware - Printed after ordering - Interferometry, the most precise measurement technique known today, exploits the wave-like nature of the atoms or photons in the interferometer. As expected from the laws of quantum mechanics, the granular, particle-like features of the individually independent atoms or photons are responsible for the precision limit, the shot noise limit. However this 'classical' bound is not fundamental and it is the aim of quantum metrology to overcome it by employing entanglement among the particles. This work reports on the realization of spin-squeezed states suitable for atom interferometry. Spin squeezing was generated on the basis of motional and spin degrees of freedom, whereby the latter allowed the implementation of a full interferometer with quantum-enhanced precision.

Codice articolo 9783642256363

Dati bibliografici

• Titolo: Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates
• Editore: Springer Berlin Heidelberg
• Data di pubblicazione: 2012
• Lingua: Inglese
• ISBN 10: 3642256368
• ISBN 13: 9783642256363
• Rilegatura: Buch
• Condizione: Neu
• Dimensioni: 241 L x 160 A x 12 P (millimetri) 241 millimetri di larghezza per 160 millimetri di altezza per 12 millimetri di profondità
• Peso: 366 grammi

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Riassunto

Interferometry, the most precise measurement technique known today, exploits the wave-like nature of the atoms or photons in the interferometer. As expected from the laws of quantum mechanics, the granular, particle-like features of the individually independent atoms or photons are responsible for the precision limit, the shot noise limit. However this classical bound is not fundamental and it is the aim of quantum metrology to overcome it by employing entanglement among the particles. This work reports on the realization of spin-squeezed states suitable for atom interferometry. Spin squeezing was generated on the basis of motional and spin degrees of freedom, whereby the latter allowed the implementation of a full interferometer with quantum-enhanced precision.