From the moving piston to the dynamical Casimir effect: Explorations with shaken condensates

Michael, Marios H.; Schmiedmayer, Jörg; Demler, Eugene

doi:10.1103/physreva.99.053615

Cited by 18 publications

(17 citation statements)

References 33 publications

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“…Analogs of the DCE in Bose-Einstein condensates and ultracold gases with time-dependent parameters were considered in [352][353][354][355][356][357][358][359][360][361][362][363][364]. An obvious advantage of replacing EM waves with their sound analogs is a possibility of achieving high ratios of effective velocities to the sound speed, including the supersonic regimes [358,360].…”

Section: Analogs Of Dce In Condensed Mattermentioning

confidence: 99%

Fifty Years of the Dynamical Casimir Effect

Dodonov

2020

Physics

150

105

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Section: Analogs Of Dce In Condensed Mattermentioning

confidence: 99%

Fifty Years of the Dynamical Casimir Effect

Dodonov

2020

Physics

150

105

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“…Analogs of the DCE in Bose-Einstein condensates and ultracold gases with timedependent parameters were considered in references [107][108][109][110][111][112]. An obvious advantage of replacing EM waves with their sound analogs is the possibility of achieving high ratios of effective velocities to the sound speed, including the supersonic regimes.…”

Section: Dynamical Casimir Effectmentioning

confidence: 99%

Perspective on Some Recent and Future Developments in Casimir Interactions

2020

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Here, we present a critical review of recent developments in Casimir physics motivated by discoveries of novel materials. Specifically, topologically nontrivial properties of the graphene family, Chern and topological insulators, and Weyl semimetals have diverse manifestations in the distance dependence, presence of fundamental constants, magnitude, and sign of the Casimir interaction. Limited studies of the role of nonlinear optical properties in the interaction are also reviewed. We show that, since many new materials have greatly enhanced the nonlinear optical response, new efficient pathways for investigation of the characteristic regimes of the Casimir force need to be explored, which are expected to lead to new discoveries. Recent progress in the dynamical Casimir effect is also reviewed and we argue that nonlinear media can open up new directions in this field as well.

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“…(ii) Conversely, splitting the elements of the QFM -once they have established phase coherence -may introduce quantum noise [31,32] related to the dynamical Casimir effect [33,34]. The production of excitations in this process may in a finite and well-controlled system add an amount of energy which is not negligible.…”

Section: Coupling and Decoupling Two Quasi-condensates: A Valvementioning

confidence: 99%

“…Again, if the physics of the piston involves quantum effects one can expect certain differences to ordinary thermal machines. For example, (i) while the energy is changing due to compression or decompression the piston may go out of thermal equilibrium, e.g., due to squeezing of internal modes [34,37]. If this quantum feature will influence thermodynamic transformations involved in the operation of a thermal machine, then such a machine will have richer physics compared to a standard one.…”

Section: Compressing and Decompressing: A Pistonmentioning

confidence: 99%

Quantum field thermal machines

Gluza,

Sabino,

et al. 2020

Preprint

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Recent years have enjoyed an overwhelming interest in quantum thermodynamics, a field of research aimed at understanding thermodynamic tasks performed in the quantum regime. Further progress, however, seems to be obstructed by the lack of experimental implementations of thermal machines in which quantum effects play a decisive role. In this work, we introduce a blueprint of quantum field machines, which -once experimentally realized -would fill this gap. We provide a detailed proposal how to realize a quantum machine in one-dimensional ultra-cold atomic gases using a set of modular operations giving rise to a piston that can be coupled sequentially to thermal baths with the innovation that a quantum field takes up the role of the working fluid. We study the operational primitives numerically in the Tomonaga-Luttinger liquid framework proposing how to model the compression of the system during strokes of a piston and the coupling to a bath giving rise to a valve controlling phononic heat flow. By composing the numerically modeled operational primitives we design complete quantum thermodynamic cycles that are shown to enable cooling and hence giving rise to a quantum field refrigerator. The active cooling achieved in this way can operate in regimes where existing cooling methods become ineffective. We describe the consequences of operating the machine at the quantum level and give an outlook of how this work serves as a road map to explore open questions in quantum information, quantum thermodynamics and the study of non-Markovian quantum dynamics.

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From the moving piston to the dynamical Casimir effect: Explorations with shaken condensates

Cited by 18 publications

References 33 publications

Fifty Years of the Dynamical Casimir Effect

Fifty Years of the Dynamical Casimir Effect

Perspective on Some Recent and Future Developments in Casimir Interactions

Quantum field thermal machines

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