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Vanishing efficiency of speeded-up quantum Otto engines
Ander Tobalina, Ion Lizuain, J. Gonzalo Muga
We assess the energy cost of shortcuts to adiabatic expansions or compressions of a harmonic oscillator, the power strokes of a quantum Otto engine. Difficulties to identify the co…
Asymmetric Heat Transport in Ion Crystals
M. A. Simón, S. Martínez-Garaot, M. Pons +1
We numerically demonstrate heat rectification for linear chains of ions in trap lattices with graded trapping frequencies, in contact with thermal baths implemented by optical mola…
Fast state and trap rotation of a particle in an anisotropic potential
I. Lizuain, A. Tobalina, A. Rodriguez-Prieto +1
We study the dynamics of a quantum or classical particle in a two-dimensional rotating anisotropic harmonic potential. By a sequence of symplectic transformations for constant rota…
Shortcuts to adiabaticity: concepts, methods, and applications
D. Guéry-Odelin, A. Ruschhaupt, A. Kiely +3
Shortcuts to adiabaticity (STA) are fast routes to the final results of slow, adiabatic changes of the controlling parameters of a system. The shortcuts are designed by a set of an…