Spin Squeezing and Non-linear Atom Interferometry with Bose-Einstein Condensates
Seiten
2014
|
2012
Springer Berlin (Verlag)
978-3-642-43245-3 (ISBN)
Springer Berlin (Verlag)
978-3-642-43245-3 (ISBN)
This book examines the realization of spin-squeezed states suitable for atom interferometry. Recipient of the German Physical Society's 2011 Dissertation.
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.
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.
Introduction.- Spin Squeezing, Entanglement and Quantum Metrology.- Squeezing Two Mean Field Modes of a Bose-Einstein Condensate.- Non-linear Interferometry Beyond the Standard Quantum Limit.- Outlook. - Appendices.
| Erscheint lt. Verlag | 22.2.2014 |
|---|---|
| Reihe/Serie | Springer Theses |
| Zusatzinfo | XII, 116 p. |
| Verlagsort | Berlin |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Gewicht | 207 g |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Atom- / Kern- / Molekularphysik |
| Naturwissenschaften ► Physik / Astronomie ► Quantenphysik | |
| Naturwissenschaften ► Physik / Astronomie ► Theoretische Physik | |
| Schlagworte | Atom Interferometry • entanglement in ultracold quantum gases • nonlinear interferometry • quantum-enhanced precision • quantum metrology • spin squeezing |
| ISBN-10 | 3-642-43245-X / 364243245X |
| ISBN-13 | 978-3-642-43245-3 / 9783642432453 |
| Zustand | Neuware |
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