Quantum algorithm for calculating molecular vibronic spectra

-д хадгалсан:
Номзүйн дэлгэрэнгүй
-д хэвлэсэн:arXiv.org (Aug 1, 2019), p. n/a
Үндсэн зохиолч: Sawaya, Nicolas P D
Бусад зохиолчид: Huh, Joonsuk
Хэвлэсэн:
Cornell University Library, arXiv.org
Нөхцлүүд:
Онлайн хандалт:Citation/Abstract
Full text outside of ProQuest
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022 |a 2331-8422 
024 7 |a 10.1021/acs.jpclett.9b01117  |2 doi 
035 |a 2161867187 
045 0 |b d20190801 
100 1 |a Sawaya, Nicolas P D 
245 1 |a Quantum algorithm for calculating molecular vibronic spectra 
260 |b Cornell University Library, arXiv.org  |c Aug 1, 2019 
513 |a Working Paper 
520 3 |a We present a quantum algorithm for calculating the vibronic spectrum of a molecule, a useful but classically hard problem in chemistry. We show several advantages over previous quantum approaches: vibrational anharmonicity is naturally included; after measurement, some state information is preserved for further analysis; and there are potential error-related benefits. Considering four triatomic molecules, we numerically study truncation errors in the harmonic approximation. Further, in order to highlight the fact that our quantum algorithm's primary advantage over classical algorithms is in simulating anharmonic spectra, we consider the anharmonic vibronic spectrum of sulfur dioxide. In the future, our approach could aid in the design of materials with specific light-harvesting and energy transfer properties, and the general strategy is applicable to other spectral calculations in chemistry and condensed matter physics. 
653 |a Proposals 
653 |a Truncation errors 
653 |a Anharmonicity 
653 |a Organic chemistry 
653 |a Quantum computers 
653 |a Error correction 
653 |a Polynomials 
653 |a Condensed matter physics 
653 |a Algorithms 
653 |a Mathematical models 
653 |a Energy measurement 
653 |a Triatomic molecules 
653 |a Error detection 
653 |a Computer simulation 
653 |a Sampling 
653 |a Energy transfer 
653 |a Approximation 
700 1 |a Huh, Joonsuk 
773 0 |t arXiv.org  |g (Aug 1, 2019), p. n/a 
786 0 |d ProQuest  |t Engineering Database 
856 4 1 |3 Citation/Abstract  |u https://www.proquest.com/docview/2161867187/abstract/embedded/6A8EOT78XXH2IG52?source=fedsrch 
856 4 0 |3 Full text outside of ProQuest  |u http://arxiv.org/abs/1812.10495