Journal
PHYSICAL REVIEW A
Volume 82, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.82.053403
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Funding
- Basque Government [IT472-10]
- Ministerio de Ciencia e Innovacion [FIS2009-12773-C02-01]
- National Natural Science Foundation of China [60806041]
- Shanghai Rising-Star Program [08QA14030]
- Shanghai Leading Academic Discipline [S30105]
- Juan de la Cierva Programme
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We study for the time-dependent harmonic oscillator the transient energy excitation in speed-up processes (shortcuts to adiabaticity) designed to reproduce the initial populations at some predetermined final frequency and time. We provide lower bounds and examples. Implications for the limits imposed to the process times and for the principle of unattainability of the absolute zero, in a single expansion or in quantum refrigerator cycles, are drawn.
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