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Abstract:
It is still a challenge to experimentally realize shortcuts to adiabaticity (STA) for a non-Hermitian quantum system since a non-Hermitian quantum system's counterdiabatic driving Hamiltonian contains some unrealizable auxiliary control fields. In this paper, we relax the strict condition in constructing STA and propose a method to redesign a realizable supplementary Hamiltonian to construct non-Hermitian STA. The redesigned supplementary Hamiltonian can be eithersymmetric or asymmetric. For the sake of clearness, we apply this method to an Allen-Eberly model as an example to verify the validity of the optimized non-Hermitian STA. The numerical simulation demonstrates that a ultrafast population inversion could be realized in a two-level non-Hermitian system.
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ANNALEN DER PHYSIK
ISSN: 0003-3804
Year: 2018
Issue: 1
Volume: 530
3 . 2 7 6
JCR@2018
2 . 2 0 0
JCR@2023
ESI Discipline: PHYSICS;
ESI HC Threshold:158
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 13
SCOPUS Cited Count: 11
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1
Affiliated Colleges: