Geometric phase induced by a cyclically evolving squeezed vacuum reservoir

Geometric phase induced by a cyclically evolving squeezed vacuum reservoir

We propose a new way to generate an observable geometric phase by means of a completely incoherent phenomenon. We show how to imprint a geometric phase to a system by "adiabatically" manipulating the environment with which it interacts. As a specific scheme we analyse a multilevel atom int...

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Veröffentlicht in:arXiv.org 2006-04
Hauptverfasser: Carollo, Angelo, Palma, G Massimo, Lozinski, Artur, Marcelo Franca Santos, Vedral, Vlatko
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Closed loops
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creator Carollo, Angelo
Palma, G Massimo
Lozinski, Artur
Marcelo Franca Santos
Vedral, Vlatko
description We propose a new way to generate an observable geometric phase by means of a completely incoherent phenomenon. We show how to imprint a geometric phase to a system by "adiabatically" manipulating the environment with which it interacts. As a specific scheme we analyse a multilevel atom interacting with a broad-band squeezed vacuum bosonic bath. As the squeezing parameters are smoothly changed in time along a closed loop, the ground state of the system acquires a geometric phase. We propose also a scheme to measure such geometric phase by means of a suitable polarization detection.
doi_str_mv 10.48550/arxiv.0507101
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title Geometric phase induced by a cyclically evolving squeezed vacuum reservoir
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