Journal
PHYSICAL REVIEW LETTERS
Volume 126, Issue 22, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.126.220501
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Funding
- Transformative Quantum Technologies Program (CFREF)
- NSERC
- New Frontiers in Research Fund
- Institute of Quantum Computing (IQC)
- Austrian Science Fund (FWF) [P30937-N27]
- Army Research Laboratory's Center for Distributed Quantum Information [W911NF15-2-0060]
- Alfread P. Sloan Foundation
- Austrian Science Fund (FWF) [P30937] Funding Source: Austrian Science Fund (FWF)
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This approach utilizes measurement-based quantum computation principles, involving entangled resource states and local measurements, and presents two measurement-based VQE schemes, introducing a new method for constructing variational families and translating circuit-based schemes. Both schemes offer specific advantages in terms of required resources and coherence times.
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.
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