Work

Suppressing the geometric dephasing of Berry phase by using modified dynamical decoupling sequences

Year: 2016

Type: article

Abstract: Even though traditional dynamical decoupling methods have the ability to resist dynamic dephasing caused by low frequency noise, they are not appropriate for suppressing the residual geometric dephasing, which arises from the disturbance of the geometric loop in the parameter space. This prevents the precision of quantum manipulation-based geometric quantum gates from being promoted further. In this paper, we design two kinds of modified dynamical decoupling schemes to suppress the residual geometric dephasing. The further numerical simulation demonstrates the validity of our schemes.

Source: New Journal of Physics

DOI: 10.1088/1367-2630/aa5488

Authors: Xiao-Ke Qin, Guang-Can Guo, Zheng-Wei Zhou

Institutions: University of Science and Technology of China, Chinese Academy of Sciences, CAS Key Laboratory of Quantum Information, USTC

Language: English

Topic: Quantum Computing Algorithms and Architecture

Subfield: Artificial Intelligence

Field: Computer Science

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,610

Funders: National Natural Science Foundation of China, Chinese Academy of Sciences, National Key Research and Development Program of China