Reference : Shortcuts to Squeezed Thermal States
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
http://hdl.handle.net/10993/48702
Shortcuts to Squeezed Thermal States
English
Dupays, Léonce mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) >]
Chenu, Aurélia mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) >]
Apr-2021
Quantum
Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften
Yes
International
2521-327X
Austria
[en] open quantum system ; squeezed thermal states ; noise engineering
[en] Squeezed state in harmonic systems can be generated through a variety of techniques, including varying the oscillator frequency or using nonlinear two-photon Raman interaction. We focus on these two techniques to drive an initial thermal state into a final squeezed thermal state with controlled squeezing parameters—amplitude and phase—in arbitrary time. The protocols are designed through reverse engineering for both unitary and open dynamics. Control of the dissipation is achieved using stochastic processes, readily implementable via, e.g., continuous quantum measurements. Importantly, this allows controlling the state entropy and can be used for fast thermalization. The developed protocols are thus suited to generate squeezed thermal states at controlled temperature in arbitrary time.
http://hdl.handle.net/10993/48702
10.22331/q-2021-05-01-449
https://quantum-journal.org/papers/q-2021-05-01-449/

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