UID:
almahu_9948026133402882
Format:
1 online resource (639 p.)
Edition:
1st ed.
ISBN:
1-281-79570-4
,
9786611795702
,
0-08-053542-9
Series Statement:
Les Houches
Content:
It has been recognised recently that the strange features of the quantum world could be used for new information transmission or processing functions such as quantum cryptography or, more ambitiously, quantum computing. These fascinating perspectives renewed the interest in fundamental quantum properties and lead to important theoretical advances, such as quantum algorithms and quantum error correction codes. On the experimental side, remarkable advances have been achieved in quantum optics, solid state physics or nuclear magnetic resonance. This book presents the lecture notes of the Les Houc
Note:
Description based upon print version of record.
,
Front Cover; Quantum Entanglement and Information Processing: Intrication Quantique Et Traitement De L'Information; Copyright Page; Lecturers; Participants; Preface; CONTENTS; Course 1. Principles of quantum computation; 1. Introduction; 2. Fundamentals: quantum mechanics and computer science; 3. Quantum circuits; 4. Entanglement as a physical resource; 5. Information theory; 6. Open quantum systems; 7. Quantum error correction and fault tolerance; References; Course 2. Mesoscopic state superpositions and decoherence in quantum optics; 1. An overview of quantum optics
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2. Beam splitters and interferences in quantum optics3. Schrödinger cats in cavity QED; 4. Collapse and revivals of matter-waves: proposals for atomic Schrödinger cats; 5. Conclusion: a brief comparison with other mesoscopic state superpositions in quantum optics; References; Course 3. Cavity quantum electrodynamics; 1. Introduction; 2. Microwave CQED experiments: The strong coupling regime; 3. ""Quantum logic"" operations based on the vacuum Rabi oscillation; 4. Step by step synthesis of a three particles entangled state; 5. Direct atom-atom entanglement: cavity-assisted collision
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6. Conclusion and perspectivesReferences; Course 4. Quantum optical implementation of quantum information processing; 1. Introduction; 2. Trapped ions; 3. Atoms in optical lattices; 4. Quantum information processing with atomic ensembles; 5. Conclusions; References; Course 5. Quantum information processing in ion traps I; 1. Introduction; 2. Ion trap quantum computer- the concept; 3. Physics of ion traps; 4. Coherent manipulation of quantum information; 5. Deutsch-Jozsa algorithm; 6. Cirac-Zoller CNOT-gate operation; 7. Entanglement and Bell state generation; 8. Summary and perspectives
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ReferencesCourse 6. Quantum information processing in ion traps II; 1. Introduction; 2. Linear RF (Paul) ion traps; 3. Ion qubits; 4. Stimulated Raman transitions; 5. Multiple modes, multiple excited states; References; Course 7. Quantum cryptography with and without entanglement; 1. Introduction; 2. Intuitions; 3. Experiments: a lesson in applied physics; 4. Security; 5. Conclusion; References; Course 8. Quantum cryptography: from one to many photons; 1. Introduction; 2. Single photons sources for quantum cryptography; 3. Quantum key distribution using gaussian-modulated coherent states
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4. ConclusionReferences; Course 9. Entangled photons and quantum communication; 1. Introduction; 2. Distributing quantum entanglement; 3. Quantum teleportation and entanglement swapping; 4. Purification of entanglement; 5. Quantum entanglement and information; References; Course 10. Nuclear magnetic resonance quantum computation; 1. Nuclear magnetic resonance; 2. NMR and quantum logic gates; 3. NMR quantum computers; 4. Robust logic gates; 5. An NMR miscellany; 6. Summary; Appendix A. Commutators and product operators; References; Course 11. Introduction to quantum conductors; 1. Introduction
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2. The scattering approach to quantum conduction
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English
Additional Edition:
ISBN 0-444-51728-6
Language:
English
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