Boson sampling for molecular vibronic spectra

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Boson sampling for molecular vibronic spectra

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Title: Boson sampling for molecular vibronic spectra
Author: Huh, Joonsuk; Guerreschi, Gian Giacomo; Peropadre, Borja; McClean, Jarrod R.; Aspuru-Guzik, Alan

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Citation: Huh, Joonsuk, Gian Giacomo Guerreschi, Borja Peropadre, Jarrod R. McClean, and Alán Aspuru-Guzik. 2015. “Boson Sampling for Molecular Vibronic Spectra.” Nature Photon 9 (9) (August 24): 615–620. doi:10.1038/nphoton.2015.153.
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Abstract: Controllable quantum devices open novel directions to both quantum computation and quantum simulation. Recently, a problem known as boson sampling has been shown to provide a pathway for solving a computationally intractable problem without the need for a full quantum computer, instead using a linear optics quantum set-up. In this work, we propose a modification of boson sampling for the purpose of quantum simulation. In particular, we show that, by means of squeezed states of light coupled to a boson sampling optical network, one can generate molecular vibronic spectra, a problem for which no efficient classical algorithm is currently known. We provide a general framework for carrying out these simulations via unitary quantum optical transformations and supply specific molecular examples for future experimental realization.
Published Version: doi:10.1038/nphoton.2015.153
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