2019
DOI: 10.48550/arxiv.1902.08490
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A Resource Theory of Quantum Measurements

Thomas Guff,
Nathan A. McMahon,
Yuval R. Sanders
et al.

Abstract: Resource theories are broad frameworks that capture how useful objects are in performing specific tasks. In this paper we devise a formal resource theory quantum measurements, focusing on the ability of a measurement to acquire information. The objects of the theory are equivalence classes of positive operator-valued measures (POVMs), and the free transformations are changes to a measurement device that can only deteriorate its ability to report information about a physical system. We show that catalysis and p… Show more

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Cited by 9 publications
(12 citation statements)
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“…The resource theoretic framework has been applied to various kinds of quantities [3][4][5][6][7][8], as well as employed to extract common features shared by a wide class of resources [9][10][11][12][13][14][15][16][17][18][19][20][21]. Recently, the framework has been extended beyond the consideration of static resources attributed to quantum states to dynamic resources attributed to quantum measurements and channels, and it has been under active investigation [15][16][17][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39].…”
mentioning
confidence: 99%
“…The resource theoretic framework has been applied to various kinds of quantities [3][4][5][6][7][8], as well as employed to extract common features shared by a wide class of resources [9][10][11][12][13][14][15][16][17][18][19][20][21]. Recently, the framework has been extended beyond the consideration of static resources attributed to quantum states to dynamic resources attributed to quantum measurements and channels, and it has been under active investigation [15][16][17][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39].…”
mentioning
confidence: 99%
“…For example, V and W could be subject to their own channel resource theories. Furthermore, recent work on resource theories of measurements [98] could enable our theories whic have the B class of communication to be further dissected.…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, the general concept of quantum coherence encompasses previous notions of quantumness, e.g., quantum-optical nonclassicality as formulated by Glauber and others [21][22][23][24][25], and thereby renders it possible to distinguish classical interference phenomena from coherence effects genuine to quantum physics. * jan.sperling@uni-paderborn.de Except for some recent approaches with remarkable implications [26][27][28][29][30][31], the state-based approach to quantum coherence does not address the quantumness of measurement itself [32]. However, there can be no doubt that the understanding of the nature of measurements is vital to the fundamentals of physics and its practical applications, e.g., allowing us to implement measurement-based quantum computation [33,34].…”
Section: Introductionmentioning
confidence: 99%