Efficient Quantum Simulation of an Anti-P-Pseudo-Hermitian Two-Level System.
Efficient Quantum Simulation of an Anti-P-Pseudo-Hermitian Two-Level System.
复制标题
反 P 伪厄米二能级系统的高效量子模拟
DOI:
10.3390/e22080812
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发表时间:
2020-07-24
期刊:
影响因子:
--
通讯作者:
Li Y
中科院分区:
文献类型:
--
作者:
Zheng C;Tian J;Li D;Wen J;Wei S;Li Y
Besides Hermitian systems, quantum simulation has become a strong tool to investigate non-Hermitian systems, such as PT-symmetric, anti-PT-symmetric, and pseudo-Hermitian systems. In this work, we theoretically investigate quantum simulation of an anti-P-pseudo-Hermitian two-level system in different dimensional Hilbert spaces. In an arbitrary phase, we find that six dimensions are the minimum to construct the anti-P-pseudo-Hermitian two-level subsystem, and it has a higher success probability than using eight dimensions. We find that the dimensions can be reduced further to four or two when the system is in the anti-PT-symmetric or Hermitian phase, respectively. Both qubit-qudit hybrid and pure-qubit systems are able to realize the simulation, enabling experimental implementations in the near future.
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