Time-optimal transfer of coherence

A Carlini, T Koike - Physical Review A—Atomic, Molecular, and Optical …, 2012 - APS
Physical Review A—Atomic, Molecular, and Optical Physics, 2012APS
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.
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.
American Physical Society
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