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Quantum Continuous Variables

Quantum Continuous Variables PDF Author: Alessio Serafini
Publisher: CRC Press
ISBN: 1351645005
Category : Mathematics
Languages : en
Pages : 216

Book Description
Quantum Continuous Variables introduces the theory of continuous variable quantum systems, from its foundations based on the framework of Gaussian states to modern developments, including its applications to quantum information and forthcoming quantum technologies. This new book addresses the theory of Gaussian states, operations, and dynamics in great depth and breadth, through a novel approach that embraces both the Hilbert space and phase descriptions. The volume includes coverage of entanglement theory and quantum information protocols, and their connection with relevant experimental set-ups. General techniques for non-Gaussian manipulations also emerge as the treatment unfolds, and are demonstrated with specific case studies. This book will be of interest to graduate students looking to familiarise themselves with the field, in addition to experienced researchers eager to enhance their understanding of its theoretical methods. It will also appeal to experimentalists searching for a rigorous but accessible treatment of the theory in the area.

Quantum Continuous Variables

Quantum Continuous Variables PDF Author: Alessio Serafini
Publisher: CRC Press
ISBN: 1351645005
Category : Mathematics
Languages : en
Pages : 216

Book Description
Quantum Continuous Variables introduces the theory of continuous variable quantum systems, from its foundations based on the framework of Gaussian states to modern developments, including its applications to quantum information and forthcoming quantum technologies. This new book addresses the theory of Gaussian states, operations, and dynamics in great depth and breadth, through a novel approach that embraces both the Hilbert space and phase descriptions. The volume includes coverage of entanglement theory and quantum information protocols, and their connection with relevant experimental set-ups. General techniques for non-Gaussian manipulations also emerge as the treatment unfolds, and are demonstrated with specific case studies. This book will be of interest to graduate students looking to familiarise themselves with the field, in addition to experienced researchers eager to enhance their understanding of its theoretical methods. It will also appeal to experimentalists searching for a rigorous but accessible treatment of the theory in the area.

Quantum Information with Continuous Variables

Quantum Information with Continuous Variables PDF Author: S.L. Braunstein
Publisher: Springer Science & Business Media
ISBN: 9401512582
Category : Science
Languages : en
Pages : 419

Book Description
Quantum information may sound like science fiction but is, in fact, an active and extremely promising area of research, with a big dream: to build a quantum computer capable of solving problems that a classical computer could not even begin to handle. Research in quantum information science is now at an advanced enough stage for this dream to be credible and well-worth pursuing. It is, at the same time, too early to predict how quantum computers will be built, and what potential technologies will eventually strike gold in their ability to manipulate and process quantum information. One direction that has reaped many successes in quantum information processing relies on continuous variables. This area is bustling with theoretical and experimental achievements, from continuous-variable teleportation, to in-principle demonstrations of universal computation and efficient error correction. Now the time has come to compile some of the major results into one volume. In this book the leading researchers of the field present up-to-date developments of continuous-variable quantum information. This book is organized to suit many reader levels with introductions to every topic and in-depth discussions of theoretical and experimental results.

Quantum Information with Continuous Variables of Atoms and Light

Quantum Information with Continuous Variables of Atoms and Light PDF Author: N. J. Cerf
Publisher: World Scientific
ISBN: 1860948162
Category : Science
Languages : en
Pages : 629

Book Description
Quantum information describes the new field which bridges quantum physics and information science. The quantum world allows for completely new architectures and protocols. While originally formulated in continuous quantum variables, the field worked almost exclusively with discrete variables, such as single photons and photon pairs. The renaissance of continuous variables came with European research consortia such as ACQUIRE (Advanced Coherent Quantum Information Research) in the late 1990s, and QUICOV (Quantum Information with Continuous Variables) from 2000OCo2003. The encouraging research results of QUICOV and the new conference series CVQIP (Continuous Variable Quantum Information Processing) triggered the idea for this book. This book presents the state of the art of quantum information with continuous quantum variables. The individual chapters discuss results achieved in QUICOV and presented at the first five CVQIP conferences from 2002OCo2006. Many world-leading scientists working on continuous variables outside Europe also contribute to the book.

QUANTUM COMPUTATION AND INFORMATION USING CONTINUOUS VARIABLES.

QUANTUM COMPUTATION AND INFORMATION USING CONTINUOUS VARIABLES. PDF Author: CHRISTIAN. BARDHAN WEEDBROOK (BHASKAR ROY.)
Publisher:
ISBN: 9789813234796
Category :
Languages : en
Pages :

Book Description


Quantum Information with Continuous Variables of Atoms and Light

Quantum Information with Continuous Variables of Atoms and Light PDF Author: N. J. Cerf
Publisher:
ISBN: 9781860947766
Category : Science
Languages : en
Pages : 604

Book Description
Quantum information describes the new field which bridges quantum physics and information science. The quantum world allows for completely new architectures and protocols. While originally formulated in continuous quantum variables, the field worked almost exclusively with discrete variables, such as single photons and photon pairs. The renaissance of continuous variables came with European research consortia such as ACQUIRE (Advanced Coherent Quantum Information Research) in the late 1990s, and QUICOV (Quantum Information with Continuous Variables) from 2000-2003. The encouraging research results of QUICOV and the new conference series CVQIP (Continuous Variable Quantum Information Processing) triggered the idea for this book. continuous quantum variables. The individual chapters discuss results achieved in QUICOV and presented at the first five CVQIP conferences from 2002-2006. Many world-leading scientists working on continuous variables outside Europe also contribute to the book.

An Introduction to the Formalism of Quantum Information with Continuous Variables

An Introduction to the Formalism of Quantum Information with Continuous Variables PDF Author: Carlos Navarrete-Benlloch
Publisher: Morgan & Claypool Publishers
ISBN: 1681744058
Category : Science
Languages : en
Pages : 115

Book Description
Quantum information is an emerging field which has attracted a lot of attention in the last couple of decades. It is a broad subject which extends from the most applied questions (e.g. how to build quantum computers or secure cryptographic systems) to the most theoretical problems concerning the formalism and interpretation of quantum mechanics, its complexity, and its potential to go beyond classical physics. This book is an introduction to quantum information with special emphasis on continuous-variable systems (such as light) which can be described as collections of harmonic oscillators. It covers a selection of basic concepts, focusing on their physical meaning and mathematical treatment. It starts from the very first principles of quantum mechanics, and builds up the concepts and techniques following a logical progression. This is an excellent reference for students with a full semester of standard quantum mechanics and researchers in closely related fields.

An Introduction to the Formalism of Quantum Information with Continuous Variables

An Introduction to the Formalism of Quantum Information with Continuous Variables PDF Author: Carlos Navarrete-Benlloch
Publisher: Myprint
ISBN: 9781681747361
Category :
Languages : en
Pages : 116

Book Description


Quantum Information with Continuous Variables of Atoms and Light

Quantum Information with Continuous Variables of Atoms and Light PDF Author: N J Cerf
Publisher: World Scientific
ISBN: 1908979364
Category :
Languages : en
Pages : 632

Book Description
Quantum information describes the new field which bridges quantum physics and information science. The quantum world allows for completely new architectures and protocols. While originally formulated in continuous quantum variables, the field worked almost exclusively with discrete variables, such as single photons and photon pairs. The renaissance of continuous variables came with European research consortia such as ACQUIRE (Advanced Coherent Quantum Information Research) in the late 1990s, and QUICOV (Quantum Information with Continuous Variables) from 2000–2003. The encouraging research results of QUICOV and the new conference series CVQIP (Continuous Variable Quantum Information Processing) triggered the idea for this book. This book presents the state of the art of quantum information with continuous quantum variables. The individual chapters discuss results achieved in QUICOV and presented at the first five CVQIP conferences from 2002-2006. Many world-leading scientists working on continuous variables outside Europe also contribute to the book. Contents: Bipartite and Multipartite Entanglement of Gaussian States (G Adesso & F Illuminati)Gaussian Quantum Channels (J Eisert & M M Wolf)Entanglement in Systems of Interacting Harmonic Oscillators (K M R Audenaert et al.)Continuous-Variable Quantum Key Distribution (F Grosshans et al.)Gaussian Quantum Cellular Automata (O Krüger & R F Werner)Distillation of Continuous-Variable Entanglement (J Fiurášek et al.)Loophole-Free Test of Quantum Nonlocality with Continuous Variables of Light (R García-Patrón et al.)Homodyne Tomography and the Reconstruction of Quantum States of Light (G M D'Ariano et al.)Schrödinger Cat States for Quantum Information Processing (H Jeong & T C Ralph)Polarization Squeezing and Entanglement (N Korolkova)Type-II Optical Parametric Oscillator: A Versatile Source of Quantum Correlations and Entanglement (J Laurat et al.)Accessing the Phase Quadrature of Intense Non-Classical Light State (O Glöckl et al.)Experimental Polarization Squeezing and Continuous Variable Entanglement via the Optical Kerr Effect (V Josse et al.)High-Fidelity Quantum Teleportation and a Quantum Teleportation Network (N Takei et al.)Quantum State Sharing with Continuous Variables (T Tyc et al.)Experimental Quantum Cloning with Continuous Variables (U L Andersen et al.)Quantum Imaging Techniques for Improving Information Extraction from Images (C Fabre et al.)Squeezed Light for Gravitational Wave Detectors (R Schnabel)Continuous Variables for Single Photons (L Zhang et al.)Experimental Non-Gaussian Manipulation of Continuous Variables (J Wenger et al.)Continuous-Variable Quantum-State Tomography of Optical Fields and Photons (A I Lvovsky & M G Raymer)Gaussian Description of Continuous Measurements on Continuous Variable Quantum Systems (L B Madsen & K Mølmer)Quantum State Preparation of Spin Ensembles by Continuous Measurement and Feedback (R van Handel et al.)Real-Time Quantum Feedback Control with Cold Alkali Atoms (J M Geremia)Deterministic Quantum Interface Between Light and Atomic Ensembles (K Hammerer et al.)Long Distance Quantum Communication with Atomic Ensembles (C W Chou et al.)Decoherence and Decoherence Suppression in Ensemble-Based Quantum Memories for Photons (M Fleischhauer & C Mewes) Readership: Researchers and students specializing in quantum information systems described by continuous variables; as supporting material for advanced university courses in the field.

Digital Quantum Information Processing with Continuous-Variable Systems

Digital Quantum Information Processing with Continuous-Variable Systems PDF Author: Takaya Matsuura
Publisher: Springer Nature
ISBN: 9811982880
Category : Science
Languages : en
Pages : 172

Book Description
The book provides theoretical methods of connecting discrete-variable quantum information processing to continuous-variable one. It covers the two major fields of quantum information processing, quantum communication and quantum computation, leading to achievement of a long-sought full security of continuous-variable quantum key distribution (QKD) and proposal of a resource-efficient method for optical quantum computing. Firstly, the book provides a security of continuous-variable QKD against arbitrary attacks under a realistic condition such as finite communication rounds and the use of digitized information processing. The book also provides the unified view for conventionally used approximate Gottesman-Kitaev-Preskill (GKP) codes, which encodes qudits on a continuous-variable system, enabling direct comparison between researches based on different approximations. The book finally proposes a resource-efficient method to realize the universal optical quantum computation using the GKP code via the direct preparation of the GKP magic state instead of GKP Pauli states. Feasibility of the proposed protocol is discussed based on the existing experimental proposals for the GKP state preparation.

An Introduction to the Formalism of Quantum Information with Continuous Variables

An Introduction to the Formalism of Quantum Information with Continuous Variables PDF Author: Carlos Navarrete-Benlloch
Publisher: Morgan & Claypool Publishers
ISBN: 1681744066
Category : Science
Languages : en
Pages : 93

Book Description
Quantum information is an emerging field which has attracted a lot of attention in the last couple of decades. It is a broad subject which extends from the most applied questions (e.g. how to build quantum computers or secure cryptographic systems) to the most theoretical problems concerning the formalism and interpretation of quantum mechanics, its complexity, and its potential to go beyond classical physics. This book is an introduction to quantum information with special emphasis on continuous-variable systems (such as light) which can be described as collections of harmonic oscillators. It covers a selection of basic concepts, focusing on their physical meaning and mathematical treatment. It starts from the very first principles of quantum mechanics, and builds up the concepts and techniques following a logical progression. This is an excellent reference for students with a full semester of standard quantum mechanics and researchers in closely related fields.