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19962026
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Showing 2014 · quant-phShow all

5 papers · 2 filters

quant-ph2014★ 4 cited

Quantum decoherence of an anharmonic oscillator monitored by a Bose-Einstein condensate

D. Alonso, S. Brouard, D. Sokolovski

The dynamics of a quantum anharmonic oscillator whose position is monitored by a Bose-Einstein condensate (BEC) trapped in a symmetric double well potential is studied. The (non-ex…

quant-ph2014★ 17 cited

Hierarchies of multipartite entanglement for continuous-variable states

Antonio A. Valido, Federico Levi, Florian Mintert

We derive a hierarchy of separability criteria for multi-mode continuous variable systems. They permit to study in a unified way the k-partite entanglement of broad classes of Gaus…

quant-ph2014★ 58 cited

Optimal performance of endoreversible quantum refrigerators

Luis A. Correa, José P. Palao, Gerardo Adesso +1

The derivation of general performance benchmarks is important in the design of highly optimized heat engines and refrigerators. To obtain them, one may model phenomenologically the…

quant-ph2014★ 33 cited

Tuning heat transport in trapped-ion chains across a structural phase transition

Antonia Ruiz, Daniel Alonso, Martin B. Plenio +1

We explore heat transport across an ion Coulomb crystal beyond the harmonic regime by tuning it across the structural phase transition between the linear and zigzag configurations.…

quant-ph2014★ 54 cited

Multi-stage quantum absorption heat pumps

Luis A. Correa

It is well known that heat pumps, while being all limited by the same basic thermodynamic laws, may find realization on systems as "small" and "quantum" as a three-level maser. In…