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Tensor Network Contractions

Authors: --- --- --- --- et al.
Book Series: Lecture Notes in Physics ISBN: 9783030344894 Year: Pages: 150 DOI: 10.1007/978-3-030-34489-4 Language: English
Publisher: Springer Nature
Subject: Mathematics --- Computer Science
Added to DOAB on : 2020-02-04 11:21:17
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Tensor network is a fundamental mathematical tool with a huge range of applications in physics, such as condensed matter physics, statistic physics, high energy physics, and quantum information sciences. This open access book aims to explain the tensor network contraction approaches in a systematic way, from the basic definitions to the important applications. This book is also useful to those who apply tensor networks in areas beyond physics, such as machine learning and the big-data analysis. Tensor network originates from the numerical renormalization group approach proposed by K. G. Wilson in 1975. Through a rapid development in the last two decades, tensor network has become a powerful numerical tool that can efficiently simulate a wide range of scientific problems, with particular success in quantum many-body physics. Varieties of tensor network algorithms have been proposed for different problems. However, the connections among different algorithms are not well discussed or reviewed. To fill this gap, this book explains the fundamental concepts and basic ideas that connect and/or unify different strategies of the tensor network contraction algorithms. In addition, some of the recent progresses in dealing with tensor decomposition techniques and quantum simulations are also represented in this book to help the readers to better understand tensor network. This open access book is intended for graduated students, but can also be used as a professional book for researchers in the related fields. To understand most of the contents in the book, only basic knowledge of quantum mechanics and linear algebra is required. In order to fully understand some advanced parts, the reader will need to be familiar with notion of condensed matter physics and quantum information, that however are not necessary to understand the main parts of the book. This book is a good source for non-specialists on quantum physics to understand tensor network algorithms and the related mathematics.

Quantum Information and Foundations

Authors: ---
ISBN: 9783039283804 9783039283811 Year: Pages: 508 DOI: 10.3390/books978-3-03928-381-1 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Mathematics
Added to DOAB on : 2020-04-07 23:07:09
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Quantum information has dramatically changed information science and technology, looking at the quantum nature of the information carrier as a resource for building new information protocols, designing radically new communication and computation algorithms, and ultra-sensitive measurements in metrology, with a wealth of applications. From a fundamental perspective, this new discipline has led us to regard quantum theory itself as a special theory of information, and has opened routes for exploring solutions to the tension with general relativity, based, for example, on the holographic principle, on non-causal variations of the theory, or else on the powerful algorithm of the quantum cellular automaton, which has revealed new routes for exploring quantum fields theory, both as a new microscopic mechanism on the fundamental side, and as a tool for efficient physical quantum simulations for practical purposes. In this golden age of foundations, an astonishing number of new ideas, frameworks, and results, spawned by the quantum information theory experience, have revolutionized the way we think about the subject, with a new research community emerging worldwide, including scientists from computer science and mathematics.

Keywords

reconstruction of quantum theory --- entanglement --- monogamy --- quantum non-locality --- conserved informational charges --- limited information --- complementarity --- characterization of unitary group and state spaces --- algebraic quantum theory --- C*-algebra --- gelfand duality --- classical context --- bohrification --- process theory --- classical limit --- purity --- higher-order interference --- generalised probabilistic theories --- Euclidean Jordan algebras --- Pauli exclusion principle --- quantum foundations --- X-ray spectroscopy --- underground experiment --- silicon drift detector --- measurement uncertainty relations --- relative entropy --- position --- momentum --- quantum mechanics --- the measurement problem --- collapse models --- X-rays --- quantum gravity --- discrete spacetime --- causal sets --- path summation --- entropic gravity --- physical computing models --- complexity classes --- causality --- blind source separation (BSS) --- qubit pair --- exchange coupling --- entangled pure state --- unentanglement criterion --- probabilities in quantum measurements --- independence of random quantum sources --- iterant --- Clifford algebra --- matrix algebra --- braid group --- Fermion --- Dirac equation --- quantum information --- quantum computation --- semiclassical physics --- quantum control --- quantum genetic algorithm --- sampling-based learning control (SLC) --- quantum foundations --- relativity --- quantum gravity --- cluster states --- multipartite entanglement --- percolation --- Shannon information --- quantum information --- quantum measurements --- consistent histories --- incompatible frameworks --- single framework rule --- probability theory --- entropy --- quantum relative entropy --- quantum information --- quantum mechanics --- inference --- quantum measurement --- quantum estimation --- macroscopic quantum measurement --- quantum annealing --- adiabatic quantum computing --- hard problems --- Hadamard matrix --- binary optimization --- reconstruction of quantum mechanics --- conjugate systems --- Jordan algebras --- quantum correlations --- Gaussian states --- Gaussian unitary operations --- continuous-variable systems --- Wigner-friend experiment --- no-go theorem --- quantum foundations --- interpretations of quantum mechanics --- subsystem --- agent --- conservation of information --- purification --- group representations --- commuting subalgebras --- quantum walks --- Hubbard model --- Thirring model --- quantum information --- quantum foundations --- quantum theory and gravity

Particle Physics Reference Library

Authors: ---
ISBN: 9783030342456 Year: Pages: 863 DOI: 10.1007/978-3-030-34245-6 Language: English
Publisher: Springer Nature
Subject: Mathematics --- Science (General)
Added to DOAB on : 2020-06-16 23:59:41
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This third open access volume of the handbook series deals with accelerator physics, design, technology and operations, as well as with beam optics, dynamics and diagnostics. A joint CERN-Springer initiative, the “Particle Physics Reference Library” provides revised and updated contributions based on previously published material in the well-known Landolt-Boernstein series on particle physics, accelerators and detectors (volumes 21A,B1,B2,C), which took stock of the field approximately one decade ago. Central to this new initiative is publication under full open access

Particle Physics Reference Library

Authors: ---
ISBN: 9783030353186 Year: Pages: 1078 DOI: 10.1007/978-3-030-35318-6 Language: English
Publisher: Springer Nature
Subject: Mathematics --- Science (General) --- Agriculture (General)
Added to DOAB on : 2020-09-23 00:04:44
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This second open access volume of the handbook series deals with detectors, large experimental facilities and data handling, both for accelerator and non-accelerator based experiments. It also covers applications in medicine and life sciences. A joint CERN-Springer initiative, the “Particle Physics Reference Library” provides revised and updated contributions based on previously published material in the well-known Landolt-Boernstein series on particle physics, accelerators and detectors (volumes 21A,B1,B2,C), which took stock of the field approximately one decade ago. Central to this new initiative is publication under full open access.

Particle Physics Reference Library

Author:
ISBN: 9783030382070 Year: Pages: 630 DOI: 10.1007/978-3-030-38207-0 Language: English
Publisher: Springer Nature
Subject: Mathematics --- Science (General)
Added to DOAB on : 2020-09-23 00:05:27
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This first open access volume of the handbook series contains articles on the standard model of particle physics, both from the theoretical and experimental perspective. It also covers related topics, such as heavy-ion physics, neutrino physics and searches for new physics beyond the standard model. A joint CERN-Springer initiative, the “Particle Physics Reference Library” provides revised and updated contributions based on previously published material in the well-known Landolt-Boernstein series on particle physics, accelerators and detectors (volumes 21A,B1,B2,C), which took stock of the field approximately one decade ago. Central to this new initiative is publication under full open access.

Optoelectronic Nanodevices

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ISBN: 9783039286966 / 9783039286973 Year: Pages: 338 DOI: 10.3390/books978-3-03928-697-3 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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During the last decade, novel graphene related materials (GRMs), perovskites, as well as metal oxides and other metal nanostructures have received the interest of the scientific community. Due to their extraordinary physical, optical, thermal, and electrical properties, which are correlated with their 2D ultrathin atomic layer structure, large interlayer distance, ease of functionalization, and bandgap tunability, these nanomaterials have been applied in the development or the improvement of innovative optoelectronic applications, as well as the expansion of theoretical studies and simulations in the fast-growing fields of energy (photovoltaics, energy storage, fuel cells, hydrogen storage, catalysis, etc.), electronics, photonics, spintronics, and sensing devices. The continuous nanostructure-based applications development has provided the ability to significantly improve existing products and to explore the design of materials and devices with novel functionalities. This book demonstrates some of the most recent trends and advances in the interdisciplinary field of optoelectronics. Most articles focus on light emitting diodes (LEDs) and solar cells (SCs), including organic, inorganic, and hybrid configurations, whereas the rest address photodetectors, transistors, and other well-known dynamic optoelectronic devices. In this context, this exceptional collection of articles is directed at a broad scientific audience of chemists, materials scientists, physicists, and engineers, with the goals of highlighting the potential of innovative optoelectronic applications incorporating nanostructures and inspiring their realization.

Keywords

localized surface plasmon --- green LED --- cathodoluminescence --- FDTD --- NiCo2S4 nanotubes --- Ti porous film --- quantum dot --- solar cells --- counter electrode --- metasurfaces --- orthogonal polarization --- high-efficiency --- polarization analyzer --- green LEDs --- InGaN/GaN superlattice --- V-pits --- external quantum efficiency --- PeLEDs --- OAB --- perovskite --- quantum confinement effect --- transparent electrode --- Ag film --- nucleation layer --- organic solar cell --- graphene oxide --- oxidation --- photodetector --- light-emitting diodes --- quantum dots --- stability --- color-conversion efficiency --- photoluminescence --- p-type InGaN --- graded indium composition --- hole injection --- quantum efficiency --- green LED --- 2D perovskite --- controllable synthesis --- flexible substrate --- photodetector --- photoelectric performance --- photodetector --- organic --- photomultiplication --- tunneling --- external quantum efficiency --- liquid crystals --- metasurfaces --- plasmonics --- actively tunable nanodevices --- solvent --- compact --- smooth --- perovskite solar cells --- indium nanoparticles (In NPs) --- textured silicon solar cells --- antireflective coating (ARC) --- plasmonic forward scattering --- InN/p-GaN heterojunction --- interface --- photovoltaics --- GaN --- LED --- nano-grating --- metamaterials --- mid infrared --- graphene split-ring --- gold split-ring --- electromagnetically induced transparency effect --- transparent conductive electrode --- Ga2O3 --- AlGaN-based ultraviolet light-emitting diode --- transmittance --- sheet resistance --- electrowetting --- tunable absorbers --- subwavelength metal grating --- plasmon resonance --- field emission --- graphene --- reduced graphene oxide --- polymer composites --- graphene ink --- cold cathode --- Fowler–Nordheim --- CdTe microdots --- Schottky barrier --- photodetector --- piezo-phototronic effect --- UV LEDs --- double-layer ITO --- pinhole pattern --- current spreading --- light output power --- flip-chip mini-LED --- prism-structured sidewall --- waveguide photons --- light extraction --- erbium --- silicon transistor --- photocurrent --- colorimetry --- excitation wavelength --- light-emitting diode --- quantum dots --- ternary organic solar cells --- graphene ink --- functionalization --- air-processed --- cascade effect --- charge transfer --- n/a

Selected Papers from the 1st International Online Conference on Nanomaterials

Authors: ---
ISBN: 9783039285341 9783039285358 Year: Pages: 92 DOI: 10.3390/books978-3-03928-535-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General)
Added to DOAB on : 2020-04-07 23:07:09
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This book compiles selected papers from the Proceedings of the 1st International Online Conference on Nanomaterials, held 1–15 September, 2018 on sciforum.net, an online platform for hosting scholarly e-conferences and discussion groups. It targets a broad readership of physicists, chemists, materials scientists, biologists, environmentalists, and nanotechnologists, and provides interesting examples of the most recent advances in the synthesis, characterization, and applications of nanomaterials.

Advances in Nanoparticles: Synthesis, Characterization, Theoretical Modelling, and Applications

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ISBN: 9783039285822 / 9783039285839 Year: Pages: 144 DOI: 10.3390/books978-3-03928-583-9 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General)
Added to DOAB on : 2020-06-09 16:38:56
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This book focuses on recent advances in the synthesis of nanoparticles, their characterization, and their applications in different fields such as catalysis, photonics, magnetism, and nanomedicine. Nanoparticles receive a large share of the worldwide research activity in contemporary materials science. This is witnessed by the number of scientific papers with ""nanoparticle"" as a keyword, increasing linearly in the last 10 years from about 16,000 in 2009 to about 50,000 in 2019. This impressive widespread interest stems from the basic science of nanoparticles, which constitute a bridge between the molecular and the bulk worlds, as well as from their technological applications. The preparation of nanoparticles is a crossroad of materials science where chemists, physicists, engineers, and even biologists frequently meet, leading to a continuous improvement of existing techniques and to the invention of new methods. The reader interested in nanoparticles synthesis and properties will here find a valuable selection of scientific cases that cannot cover all methods and applications relevant to the field, but still provide an updated overview on the fervent research activity focused on nanoparticles.

Symmetry in Special and General Relativity

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ISBN: 9783039280940 9783039280957 Year: Pages: 100 DOI: 10.3390/books978-3-03928-095-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Physics (General) --- Science (General)
Added to DOAB on : 2020-01-30 16:39:46
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The development of special and general relativity has relied significantly on ideas of symmetry. Similarly, modern efforts to test these theories have often sought either violations or extensions of the symmetries seen, and symmetry is regularly used a tool in seeking new applications. In this Special Issue of symmetry, we explore some contemporary research related to symmetry in special and general relativity.

Reversible Computation: Extending Horizons of Computing

Authors: --- --- ---
Book Series: Lecture Notes in Computer Science; Theoretical Computer Science and General Issues ISBN: 9783030473617 Year: Pages: 237 DOI: 10.1007/978-3-030-47361-7 Language: English
Publisher: Springer Nature
Subject: Computer Science
Added to DOAB on : 2020-06-17 00:00:03
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This open access State-of-the-Art Survey presents the main recent scientific outcomes in the area of reversible computation, focusing on those that have emerged during COST Action IC1405 "Reversible Computation - Extending Horizons of Computing", a European research network that operated from May 2015 to April 2019. Reversible computation is a new paradigm that extends the traditional forwards-only mode of computation with the ability to execute in reverse, so that computation can run backwards as easily and naturally as forwards. It aims to deliver novel computing devices and software, and to enhance existing systems by equipping them with reversibility. There are many potential applications of reversible computation, including languages and software tools for reliable and recovery-oriented distributed systems and revolutionary reversible logic gates and circuits, but they can only be realized and have lasting effect if conceptual and firm theoretical foundations are established first.

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