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Quantized gravitational responses, the sign problem, and quantum complexity

Abstract:

It is believed that not all quantum systems can be simulated efficiently using classical computational resources. This notion is supported by the fact that it is not known how to express the partition function in a sign-free manner in quantum Monte Carlo (QMC) simulations for a large number of important problems. The answer to the question-whether there is a fundamental obstruction to such a sign-free representation in generic quantum systems-remains unclear. Focusing on systems with bosonic ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Version of record

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Publisher copy:
10.1126/sciadv.1701758

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More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
ORCID:
0000-0002-2555-7695
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Atomic & Laser Physics
ORCID:
0000-0003-3336-8146
Publisher:
American Association for the Advancement of Science Publisher's website
Journal:
Science Advances Journal website
Volume:
3
Issue:
9
Pages:
e1701758
Publication date:
2017-09-27
Acceptance date:
2017-09-05
DOI:
EISSN:
2375-2548
Pubs id:
pubs:733021
URN:
uri:f4650c75-fdf6-4e49-bf0b-10d237227d77
UUID:
uuid:f4650c75-fdf6-4e49-bf0b-10d237227d77
Local pid:
pubs:733021
Language:
English

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