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Toward Reliability in the NISQ Era: Robust Interval Guarantee for Quantum Measurements on Approximate States
Maurice Weber, Abhinav Anand, Alba Cervera-Lierta +6
Near-term quantum computation holds potential across multiple application domains. However, imperfect preparation and evolution of states due to algorithmic and experimental shortc…
Improving the Accuracy of the Variational Quantum Eigensolver for Molecular Systems by the Explicitly-Correlated Perturbative [2]-R12-Correction
Philipp Schleich, Jakob S. Kottmann, Alán Aspuru-Guzik
We provide an integration of the universal, perturbative explicitly correlated [2]-correction in the context of the Variational Quantum Eigensolver (VQE). This approac…
Optimized Low-Depth Quantum Circuits for Molecular Electronic Structure using a Separable Pair Approximation
Jakob S. Kottmann, Alán Aspuru-Guzik
We present a classically solvable model that leads to optimized low-depth quantum circuits leveraging separable pair approximations. The obtained circuits are well suited as a base…
Noisy intermediate-scale quantum (NISQ) algorithms
Kishor Bharti, Alba Cervera-Lierta, Thi Ha Kyaw +11
A universal fault-tolerant quantum computer that can solve efficiently problems such as integer factorization and unstructured database search requires millions of qubits with low…