Applications Of Temporal Quantum Correlations
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Applications Of Temporal Quantum Correlations
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Author :
language : en
Publisher:
Release Date : 2022
Applications Of Temporal Quantum Correlations written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
Temporal Quantum Correlations And Hidden Variable Models
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Author : Costantino Budroni
language : en
Publisher: Springer
Release Date : 2015-10-22
Temporal Quantum Correlations And Hidden Variable Models written by Costantino Budroni and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-22 with Science categories.
In this thesis, the main approach to the characterization of the set of classical probabilities, the correlation polytope approach, is reviewed for different scenarios, namely, hidden variable models discussed by Bell (local), Kochen and Specker (non-contextual), and Leggett and Garg (macrorealist). Computational difficulties associated with the method are described and a method to overcome them in several nontrivial cases is presented. For the quantum case, a general method to analyze quantum correlations in the sequential measurement scenario is provided, which allows computation of the maximal correlations. Such a method has a direct application for computation of maximal quantum violations of Leggett-Garg inequalities and it is relevant in the analysis of non-contextuality tests. Finally, possible applications of the results for quantum information tasks are discussed.
Measuring Quantum Correlations Geometrically Quantifying Quantum Steering And Hierarchy In Temporal Quantum Correlations
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Author : 古煥宇
language : en
Publisher:
Release Date : 2019
Measuring Quantum Correlations Geometrically Quantifying Quantum Steering And Hierarchy In Temporal Quantum Correlations written by 古煥宇 and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Quantum Correlations In Space Time
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Author : Tian Zhang
language : en
Publisher:
Release Date : 2020
Quantum Correlations In Space Time written by Tian Zhang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
Quantum Steering Device Independent Quantification And Temporal Quantum Correlations
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Author : 陳信良
language : en
Publisher:
Release Date : 2017
Quantum Steering Device Independent Quantification And Temporal Quantum Correlations written by 陳信良 and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Lectures On General Quantum Correlations And Their Applications
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Author : Felipe Fernandes Fanchini
language : en
Publisher: Springer
Release Date : 2017-06-24
Lectures On General Quantum Correlations And Their Applications written by Felipe Fernandes Fanchini and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-24 with Science categories.
This book presents a distinctive way of understanding quantum correlations beyond entanglement, introducing readers to this less explored yet very fundamental aspect of quantum theory. It takes into account most of the new ideas involving quantum phenomena, resources, and applications without entanglement, both from a theoretical and an experimental point of view. This book serves as a reference for both beginner students and experienced researchers in physics and applied mathematics, with an interest in joining this novel venture towards understanding the quantum nature of the world.
Quantum Correlations
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Author : Dylan John Saunders
language : en
Publisher:
Release Date : 2013
Quantum Correlations written by Dylan John Saunders and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Einstein-Podolsky-Rosen experiment categories.
Abstract: Quantum mechanics has led to the biggest technological breakthroughs of last century. However, many paradoxes still remain in the foundations of quantum theory. In this research we study one effect that leads to such paradoxes; quantum correlations. Quantum nonlocality refers to the set of quantum correlations that are not explainable using local models. It is quantum nonlocality that has troubled physicists since the inception of quantum theory nearly 100 years ago. However, these nonlocal quantum correlations offer a range of advantages in quantum information tasks. For example, quantum key distribution and quantum computing are two tasks that are powered by quantum correlations. For this reason a wide range of quantum correlations are studied experimentally in this research. These include: entanglement, EPR-steering, Bell nonlocality and bilocality. We study these correlations using the framework of quantum information, using single photons as our chosen quantum information carriers. The first quantum correlation tested in this research is EPR-steering. EPR-steering is the application of the EPR-paradox to a quantum information task. We implement three different experiments on EPR-steering. By studying the properties of the quantum information task we find that: EPR-steering is more robust to depolarisation noise than Bell-nonlocality; EPR-steering is absolutely loss tolerant; and tests of EPR-steering are easier to carry out, than tests of Bell nonlocality, but harder to implement compared to tests of non-separability. As a result of these three findings we experimentally show that EPR-steering can be demonstrated on Belllocal states, we close the detection loophole in a photonic test of quantum nonlocality, and we discover and implement maximally parsimonious tests of non-separability, EPR-steering and Bell nonlocality.
Quantum Correlations Beyond Entanglement
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Author : Alexander Streltsov
language : en
Publisher:
Release Date : 2014-11-30
Quantum Correlations Beyond Entanglement written by Alexander Streltsov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-30 with categories.
Characterization And Applications Of Quantum Measurement Invasiveness
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Author : Saulo Vicente Moreira
language : en
Publisher:
Release Date : 2017
Characterization And Applications Of Quantum Measurement Invasiveness written by Saulo Vicente Moreira and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Quantum measurement invasiveness is a feature of quantum phenomena, i.e. associated with the fact that measurements can affect quantum systems in a manner which cannot be described by classical physics. In this thesis we will investigate measurement invasiveness through the Leggett-Garg inequality and another inequality based on the non-disturbance condition, both of which, when violated, witness measurement invasiveness. First, we will study a model for the violation of the Leggett-Garg inequality, which will allow us to provide an operational characterization of measurement invasiveness through a parameter called the measurability of the physical system. This parameter controls Leggett-Garg inequality violation and can be associated with experimental tests of this inequality, helping one to understand and interpret them. We will also investigate, through this model, the relationship between measurement invasiveness and a specific definition of macroscopicity, related to the \size" of spin systems. We will then seek to study an application of measurement invasiveness in the context of protocols for parameter estimation or quantum metrology. A general relationship between the Fisher information and temporal quantum correlations will be established, allowing one to characterize the robustness of metrological scenarios against the presence of noise. This relationship will also serve as a guideline for a connection between measurement invasiveness and (nearly-) optimal metrological scenarios. We will also establish a relationship between measurement invasiveness and a definition of a measure of macroscopic coherence. Lastly, we will propose a protocol for testing measurement noninvasiness based on the non-disturbance condition for spin systems of arbitrary size. This inequality allows one to argue against the possibility of its violation being due to the classical disturbance of measurements. We will show that the maximum value for the violation of this inequality Corresponds to the number of particles which constitutes the system.
10th International Conference On Theory And Application Of Soft Computing Computing With Words And Perceptions Icsccw 2019
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Author : Rafik A. Aliev
language : en
Publisher: Springer Nature
Release Date : 2019-11-19
10th International Conference On Theory And Application Of Soft Computing Computing With Words And Perceptions Icsccw 2019 written by Rafik A. Aliev and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-19 with Technology & Engineering categories.
This book presents the proceedings of the 10th Conference on Theory and Applications of Soft Computing, Computing with Words and Perceptions, ICSCCW 2019, held in Prague, Czech Republic, on August 27–28, 2019. It includes contributions from diverse areas of soft computing and computing with words, such as uncertain computation, decision-making under imperfect information, neuro-fuzzy approaches, deep learning, natural language processing, and others. The topics of the papers include theory and applications of soft computing, information granulation, computing with words, computing with perceptions, image processing with soft computing, probabilistic reasoning, intelligent control, machine learning, fuzzy logic in data analytics and data mining, evolutionary computing, chaotic systems, soft computing in business, economics and finance, fuzzy logic and soft computing in earth sciences, fuzzy logic and soft computing in engineering, fuzzy logic and soft computing in material sciences, soft computing in medicine, biomedical engineering, and pharmaceutical sciences. Showcasing new ideas in the field of theories of soft computing and computing with words and their applications in economics, business, industry, education, medicine, earth sciences, and other fields, it promotes the development and implementation of these paradigms in various real-world contexts. This book is a useful guide for academics, practitioners and graduates.