Measurement-Based Variational Quantum Eigensolver.
Measurement-Based Variational Quantum Eigensolver.
复制标题
基于测量的变分量子本征求解器。
DOI:
10.1103/physrevlett.126.220501
复制
发表时间:
2020
影响因子:
8.6
通讯作者:
C. Muschik
中科院分区:
文献类型:
--
作者:
R. Ferguson;Luca Dellantonio;K. Jansen;Abdulrahim Al Balushi;W. Dur;C. Muschik
Variational quantum eigensolvers (VQEs) combine classical optimization with efficient cost function evaluations on quantum computers. We propose a new approach to VQEs using the principles of measurement-based quantum computation. This strategy uses entangled resource states and local measurements. We present two measurement-based VQE schemes. The first introduces a new approach for constructing variational families. The second provides a translation of circuit- to measurement-based schemes. Both schemes offer problem-specific advantages in terms of the required resources and coherence times.