Time-optimal transfer of coherence

Alberto Carlini; Tatsuhiko Koike

doi:10.1103/PhysRevA.86.054302

Time-optimal transfer of coherence

Alberto Carlini
, Tatsuhiko Koike

Risultato della ricerca: Contributo su rivista › Articolo in rivista › peer review

Abstract

We provide exact analytical solutions for the problem of time-optimal transfer of coherence from one spin-polarization to a threefold coherence in a trilinear Ising chain with a fixed energy available and subject to local controls with a non-negligible time cost. The time of transfer is optimal and consistent with a previous numerical result obtained assuming instantaneous local controls.

Lingua originale	Inglese
Numero di articolo	054302
Rivista	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	86
Numero di pubblicazione	5
DOI	https://doi.org/10.1103/PhysRevA.86.054302
Stato di pubblicazione	Pubblicato - 26 nov 2012
Pubblicato esternamente	Sì

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10.1103/PhysRevA.86.054302

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AB - We provide exact analytical solutions for the problem of time-optimal transfer of coherence from one spin-polarization to a threefold coherence in a trilinear Ising chain with a fixed energy available and subject to local controls with a non-negligible time cost. The time of transfer is optimal and consistent with a previous numerical result obtained assuming instantaneous local controls.

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Time-optimal transfer of coherence

Abstract

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