2018
DOI: 10.1103/physreva.97.062128
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Bosonic Szilard engine assisted by Feshbach resonances

Abstract: It was recently found that the information-to-work conversion in a quantum Szilard engine can be increased by using a working medium of bosons with attractive interactions. In the original scheme, the work output depends on the insertion and removal position of an impenetrable barrier that acts like a piston, separating the chambers of the engine. Here, we show that the barrier removal process can be made fully reversible, resulting in a full information-to-work conversion if we also allow for the interaction … Show more

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Cited by 3 publications
(3 citation statements)
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“…Beyond this however, the wave-function symmetry is also an additional information-bearing degree of freedom [80] available to the system. Using information as a resource in a thermodynamic system, is an area that has seen much recent activity [81][82][83][84][85][86][87][88][89][90][91][92][93]. We leave an exploration of how this additional information resource may be leveraged as a topic to be explored in future work.…”
Section: Discussionmentioning
confidence: 99%
“…Beyond this however, the wave-function symmetry is also an additional information-bearing degree of freedom [80] available to the system. Using information as a resource in a thermodynamic system, is an area that has seen much recent activity [81][82][83][84][85][86][87][88][89][90][91][92][93]. We leave an exploration of how this additional information resource may be leveraged as a topic to be explored in future work.…”
Section: Discussionmentioning
confidence: 99%
“…In contrast to the heat engines described above, which convert heat energy into useful output work, Szilard engines operate isothermally, and use information to do the same [174][175][176][177][178][179]. Szilard engines in the microscopic regime have been realized experimentally [24,[180][181][182].…”
Section: Quantum Szilard Engine With Interacting Bosonsmentioning
confidence: 99%
“…While originally formulated in the classical domain, the inherent microscopic character of these analyses, together with the dramatic improvements in our ability to manipulate systems at the nanoscale, forces us to re-examine these engines to account for quantum behavior. Indeed, descriptions of the quantum version of Szilard's engine have been widely discussed [13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] and also experimentally realized [29][30][31][32][33][34][35]. While a fully accurate description of engine operation requires accounting for the details of the underlying dynamics, the following focuses on two aspects of the quantum Szilard engine.…”
mentioning
confidence: 99%