Alán Aspuru-Guzik
University of Toronto
664 Papers
4.7K Citations
Alán Aspuru-Guzik is an academic researcher from University of Toronto. The author has contributed to research in topics: Quantum computer & Quantum. The author has an hindex of 97, co-authored 628 publications. Previous affiliations of Alán Aspuru-Guzik include D-Wave Systems & National Autonomous University of Mexico.
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Papers
A Benchmark Quantum Monte Carlo Study of Molecular Crystal Polymorphism: A Challenging Case for Density-Functional Theory
Mark A. Watson,Kenta Hongo,Toshiaki Iitaka,Alán Aspuru-Guzik +3 more
- 01 Jan 2012
TL;DR: Watson et al. as mentioned in this paper applied the diffusion Monte Carlo method to determine the relative stability of the two polymorphs of the diiodobenzeneorganicmolecularcrystal, and their result predicted the α phase to be more stable than the β phase at zero temperature.
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Patent
Quantum Artificial Neural Networks
Alán Aspuru-Guzik,Yudortg Cao +1 more
- 27 Aug 2020
TL;DR: In this paper, the first RUS circuit was applied to the ancilla qubit and to the output qubit of the first quantum neuron, where the first circuit was controlled by the input quantum state.
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State-by-state investigation of destructive interference in resonance Raman spectra of neutral tyrosine and the tyrosinate anion with the simplified sum-over-states approach.
TL;DR: This model, based on time-dependent density functional theory (TDDFT), reproduced the experimental resonance Raman spectra and Raman excitation profiles for both studied molecules with good agreement and demonstrated that interference with high-energy states had a significant impact and could not be neglected even when in resonance with a lower-energy state.
Natural Evolutionary Strategies for Variational Quantum Computation
Abhinav Anand,Matthias Degroote,Alán Aspuru-Guzik +2 more
- 19 Jul 2021
TL;DR: Natural evolutionary strategies (NES) are a family of gradient-free black-box optimization algorithms as discussed by the authors, and they have been used for the optimization of randomly-initialized parametrized quantum circuits in the region of vanishing gradients.
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