Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/145448
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dc.titleQUANTUM CORRELATIONS FROM BLACK BOXES
dc.contributor.authorGOH KOON TONG
dc.date.accessioned2018-07-31T18:01:10Z
dc.date.available2018-07-31T18:01:10Z
dc.date.issued2018-04-30
dc.identifier.citationGOH KOON TONG (2018-04-30). QUANTUM CORRELATIONS FROM BLACK BOXES. ScholarBank@NUS Repository.
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/145448
dc.description.abstractQuantum theory predicts the existence of correlations that violate local realism. In this thesis, we look at this fact from the reverse angle ("device-independent approach"): given that such non-local correlations are observed, what can we know about the quantum resources being used? It had been known for several years that some correlations are fingerprints of specific quantum states: this kind of blind tomography has been called "self-testing". Here we prove that every pure bipartite entangled state possesses such fingerprints, highlighting that self-testing is a generic phenomenon. Self-testing is also used in the demonstration that a proposed connection between non-locality and uncertainty relations is an artefact of cherry-picking the expression of Bell inequality equivalent under no-signalling. Finally, we report the first comprehensive geometric study of the set of quantum correlations, bringing to the fore an unexpected complexity of features.
dc.language.isoen
dc.subjectQuantum Information Theory, Quantum Nonlocality, Quantum Correlations, Device-independent Self-testing, Quantum Foundations
dc.typeThesis
dc.contributor.departmentCENTRE FOR QUANTUM TECHNOLOGIES
dc.contributor.supervisorSCARANI, VALERIO
dc.description.degreePh.D
dc.description.degreeconferredDOCTOR OF PHILOSOPHY
dc.identifier.orcid0000-0003-2224-3559
Appears in Collections:Ph.D Theses (Open)

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