Cited by 423Quantum Information and CryptographyQuantum Mechanics and ApplicationsQuantum Computing Algorithms and Architecture

The resource theory of quantum reference frames: manipulations and monotones

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Gour, Gilad, Spekkens, Robert W·2008·New Journal of Physics

Abstract

Every restriction on quantum operations defines a resource theory, determining how quantum states that cannot be prepared under the restriction may be manipulated and used to circumvent the restriction. A superselection rule (SSR) is a restriction that arises through the lack of a classical reference frame and the states that circumvent it (the resource) are quantum reference frames. We consider the resource theories that arise from three types of SSRs, associated respectively with lacking: (i) a phase reference, (ii) a frame for chirality, and (iii) a frame for spatial orientation. Focusing on pure unipartite quantum states (and in some cases restricting our attention even further to subsets of these), we explore single-copy and asymptotic manipulations. In particular, we identify the necessary and sufficient conditions for a deterministic transformation between two resource states to be possible and, when these conditions are not met, the maximum probability with which the transformation can be achieved. We also determine when a particular transformation can be achieved reversibly in the limit of arbitrarily many copies and find the maximum rate of conversion. A comparison of the three resource theories demonstrates that the extent to which resources can be interconverted decreases as the strength of the restriction increases. Along the way, we introduce several measures of frameness and prove that these are monotonically non-increasing under various classes of operations that are permitted by the SSR.

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  • The variance of energy ∆E^2 is nonincreasing for pure-to-pure state transformations achieved by TI quantum operations.

    “Note that all the properties (i), (ii) and (iii) of A min/max are also satisfied by the variance of the energy, ∆ 2 E , and consequently, using essentially the same argument, one can show that the variance is also nonincreasing for pure to pure state transformations that are achieved by TI quantum opertations [28, 30].”

    From Quantum speed limits, coherence, and asymmetry (2016) · cites this paper as [28]

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Research works printed but not linked: 4

  1. Vaccaro J A, Anselmi F, Wiseman H M and Jacobs K 2005 Preprint quant-ph/0501121 · arXiv
  2. Peres A and Scudo P F 2002 Quantum Theory: Reconsideration of Foundations ed A Khrennikov (Växjö, Sweden: Växjö University Press) p 283 (Preprint quant-ph/0201017) · arXiv
  3. Boileau J-C, Sheridan L, Laforest M and Bartlett S D 2007 Preprint 0709.0142v1
  4. Bartlett S D and Wiseman H M 2003 Phys. Rev. Lett. 91 097903 · DOI

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Authors
Gour, G., & Spekkens, R. W.
Affiliations
  • University of Calgary (CA)
  • University of Cambridge (GB)
Venue
New Journal of Physics
Published
2008-03-17
Volume
10
Issue
3
Pages
033023
ISSN
1367-2630 (ISSN-L)
OpenAlex
W2084575582
Cited by
423
References
46
Citations by year
2026: 23 · 2025: 36 · 2024: 34 · 2023: 34 · 2022: 26 · 2021: 36 · 2020: 42 · 2019: 34 · 2018: 38 · 2017: 29 · 2016: 31 · 2015: 17 · 2014: 15 · 2013: 11 · 2012: 7
FWCI
5.28
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • New Journal of Physics (publishedVersion, cc-by)
  • arXiv (Cornell University) (publishedVersion)
  • arXiv (Cornell University)
Funders
Natural Sciences and Engineering Research Council of Canada
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
  • Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
Keywords
quantum reference frames, resource theory, superselection rules, phase reference, chirality, spatial orientation, monotones, quantum state transformation, reversible transformation

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