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Showing 1 to 5 of 5 for “"VQE"”.
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Quantum computational chemistry methods for early-stage quantum computers
… qubits. The Variational Quantum Eigensolver (VQE) algorithm and VQE based protocols, are promising candidates to enable this task on emerging Noisy Intermediate-Scale Quantum (NISQ) computers. These protocols require short quantum circuits and short coherence times, and are particularly …
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Novel Quantum Chemistry Algorithms Based on the Variational Quantum Eigensolver
The variational quantum eigensolver (VQE) approach is currently one of the most promising strategies for simulating chemical systems on quantum hardware. In this work, I will describe a new quantum algorithm and a new set of classical algorithms based on VQE. The quantum algorithm, ADAPT-VQE, shows …
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Novel Ansätze for Stochastic Coupled Cluster
… for the Variational Quantum Eigensolver (VQE). The method is successful in significantly reducing the quantum resources required for VQE while maintaining accuracy, opening a potential route to allow larger quantum chemical problems to be treated on near-term noisy intermediate-scale …
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Using Device Physics and Error Mitigation to Improve the Performance of Quantum Computers
… current devices. Thirdly, we consider the ADAPT-VQE algorithm, which is used to construct quantum circuits for preparing trial states in quantum simulation. In total, we improve gate counts for the algorithm, improve a separate algorithm by utilizing the gradient criterion, and leverage the …
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Machine Learning and Quantum Computing for Optimization Problems in Power Systems
… problems using variational quantum eigensolvers (VQE).