Thursday, June 6, 2013

1306.0410 (Adolfo del Campo)

Shortcuts to adiabaticity by counter-diabatic driving    [PDF]

Adolfo del Campo
The evolution of a system induced by counter-diabatic driving mimics the adiabatic dynamics without the requirement of slow driving. Engineering it involves diagonalizing the instantaneous Hamiltonian of the system and results in the need of auxiliary non-local interactions for matter-waves. Here experimentally realizable driving protocols are found for a large class of single-particle, many-body, and non-linear systems without demanding the spectral properties as an input. The method is applied to the fast decompression of Bose-Einstein condensates in different trapping potentials.
View original: http://arxiv.org/abs/1306.0410

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