4 papers · 1 filter
Slepian Bounds on the Success Probability of Virtual Distillation
Masayuki Ohzeki, Sasuke Kimata, Xinwei Lee +1
Virtual distillation is a powerful near-term error-mitigation primitive, but it is also a spectral filter: it amplifies the dominant eigenvector component already present in the no…
Light Cone Cancellation for Variational Quantum Eigensolver in Solving Noisy Max-Cut
Xinwei Lee, Xinjian Yan, Ningyi Xie +5
Variational Quantum Eigensolver (VQE) is a quantum-classical hybrid algorithm used to estimate the ground energy of a given Hamiltonian. It consists of a parameterized quantum circ…
An Adaptive Weighted QITE-VQE Algorithm for Combinatorial Optimization Problems
Ningyi Xie, Xinwei Lee, Tiejin Chen +3
The variational quantum eigensolver (VQE) is an algorithm for finding the ground states of a given Hamiltonian. Its application to binary-formulated combinatorial optimization (CO)…
Feed-Forward Probabilistic Error Cancellation with Noisy Recovery Gates
Leo Kurosawa, Yoshiyuki Saito, Xinwei Lee +5
Probabilistic Error Cancellation (PEC) aims to improve the accuracy of expectation values for observables. This is accomplished using the probabilistic insertion of recovery gates,…