Quantum information and computing [[electronic resource] /] / editors, L. Accardi, M. Ohya and N. Watanabe

• Pubblicazione: Singapore ; ; Hackensack, N.J., : World Scientific, c2006
• Descrizione fisica: 1 online resource (396 p.)
• Disciplina: 004.14
• Soggetto topico: Quantum computers; Quantum theory
• Altri autori: AccardiL <1947-> (Luigi) OhyaMasanori <1947-> WatanabeN <1938-> (Noboru)
• Note generali: Papers presented at the international conference on "Quantum Information 2003" held at various locations in Japan.
• Nota di bibliografia: Includes bibliographical references.
• Nota di contenuto: Contents ; Preface ; Coherent Quantum Control of A-Atoms through the Stochastic Limit ; 1 Introduction ; 2 An atom in a laser field ; 3 The stochastic limit ; 4 The quantum master equation ; 5 Stationary states for a two-level atom ; 6 Stationary states for a three-level atom ; 7 Three-level lambda-atom 8 Two-level 3-times degenerate atom ; 9 Conclusions ; References ; Recent Advances in Quantum White Noise Calculus ; 1 Emergence of white noise equations from classical quantum mechanics ; 2 Quantum white noise unitary evolutions ; 3 Higher powers of white noise 4 Appplications to quantum stochastic control ; References ; Control of Quantum States by Decoherence ; 1 Introduction ; 2 A master equation driving to a pre-assigned state ; 3 A microscopic model ; 4 The Master equation ; 5 Assimilation of the state ; 6 Purification 7 Example: Entangled state with Spin-Boson model ; References ; Logical Operations Realized on the Ising Chain of N Qubits ; Joint Extension of States of Fermion Subsystems ; 1 Introduction ; 2 Notation for Fermion Systems ; 3 Product Extension ; 4 A Pair of Pure and General States for Two Subsystems 5 Examples ; References ; Quantum Filtering and Optimal Feedback Control of a Gaussian Quantum Free Particle ; 1 Inroduction ; 2 The Model ; 3 Quantum Filtering ; 4 Control ; 5 Discussion ; References ; On Existence of Quantum Zeno Dynamics
• Sommario/riassunto: The main purpose of this volume is to emphasize the multidisciplinary aspects of this very active new line of research in which concrete technological and industrial realizations require the combined efforts of experimental and theoretical physicists, mathematicians and engineers. <br><i>Contents:</i><ul><li>Coherent Quantum Control of Λ-Atoms through the Stochastic Limit <i>(L Accardi et al.)</i></li><li>Recent Advances in Quantum White Noise Calculus <i>(L Accardi & A Boukas)</i></li><li>Joint Extension of States of Fermion Subsystems <i>(H Araki)</i></li><li>Fidelity of Quantum Teleportati
• Titolo autorizzato: Quantum information and computing
• ISBN: 1-281-37916-6; 9786611379162; 981-277-449-1
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910777049403321
• Lo trovi qui: Univ. Federico II
• Serie: QP-PQ, quantum probability and white noise analysis ; ; v. 19.