Tangent maps and tangent groupoid for Carnot manifolds
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DOI: 10.1016/j.difgeo.2018.11.002
Abstract: This paper studies the infinitesimal structure of Carnot manifolds. By a Carnot manifold we mean a manifold together with a subbundle filtration of its tangent bundle which is compatible with the Lie bracket of vector… read more here.
Keywords: carnot manifolds; carnot manifold; group; carnot differential ... See more keywords
Nature of Heat and Thermal Energy: From Caloric to Carnot’s Reflections, to Entropy, Exergy, Entransy and Beyond
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DOI: 10.3390/e20080584
Abstract: The nature of thermal phenomena is still elusive and sometimes misconstrued. Starting from Lavoisier, who presumed that caloric as a weightless substance is conserved, to Sadi Carnot who erroneously assumed that work is extracted while… read more here.
Keywords: energy; carnot; thermal energy; entropy exergy ... See more keywords
Quantum Information Remote Carnot Engines and Voltage Transformers
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DOI: 10.3390/e21020127
Abstract: A physical system out of thermal equilibrium is a resource for obtaining useful work when a heat bath at some temperature is available. Information Heat Engines are the devices which generalize the Szilard cylinders and… read more here.
Keywords: voltage transformers; information; quantum information; information remote ... See more keywords
Carnot Cycles in a Harmonically Confined Ultracold Gas across Bose–Einstein Condensation
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DOI: 10.3390/e25020311
Abstract: Carnot cycles of samples of harmonically confined ultracold 87Rb fluids, near and across Bose–Einstein condensation (BEC), are analyzed. This is achieved through the experimental determination of the corresponding equation of state in terms of the… read more here.
Keywords: carnot cycles; harmonically confined; across bose; confined ultracold ... See more keywords