Microscopic Description of Spontaneous Emission in Stark Chirped Rapid Adiabatic Passages
Microscopic Description of Spontaneous Emission in Stark Chirped Rapid Adiabatic Passages
复制标题
斯塔克啁啾快速绝热通道中自发发射的微观描述
DOI:
10.1007/s10773-017-3535-z
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发表时间:
2018
影响因子:
1.4
通讯作者:
Zhao Hong Quan
中科院分区:
文献类型:
--
作者:
Shi Xuan;Yuan Hao;Zhao Hong Quan
A microscopic approach describing the effect of spontaneous emission in the stark-chirped rapid adiabatic passages (SCRAPs) for quantum computation is presented. Apart from the phenomenological model, this microscopic one can investigate the dependence of the population dynamics both on the temperature of the environment and the decay rateγ. With flux-biased Josephson qubits as a specifical example, we study the efficiency of the SCRAP for realizing the basic Pauli-X and iSWAP gates. Our results show clearly that the behavior of the population transfer described by the microscopic model is similar with the phenomenological one at zero temperature. In the limit of very high temperature, the population probabilities of the qubit states exhibit strong stability properties. High efficiency for the quantum gate manipulations in SCRAPs is available against the weak decay rateγ≪ 1 at low temperature.
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