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1. |
Record Nr. |
UNINA9910695801103321 |
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Titolo |
Country profile, Iraq [[electronic resource]] |
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Pubbl/distr/stampa |
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[Washington, D.C.], : Library of Congress, Federal Research Division |
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Descrizione fisica |
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volumes : digital, PDF file |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Periodico |
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Note generali |
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Description based on: Aug. 2006; title from PDF caption (viewed Mar. 13, 2007). |
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2. |
Record Nr. |
UNISA996203199603316 |
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Autore |
Huang Kerson <1928-> |
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Titolo |
Quantum field theory : from operators to path integrals / / Kerson Huang |
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Pubbl/distr/stampa |
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Weinheim, : Wiley-VCH, c2004 |
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ISBN |
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1-281-84307-5 |
9786611843076 |
3-527-61737-X |
3-527-61738-8 |
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Descrizione fisica |
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1 online resource (448 p.) |
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Classificazione |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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QUANTUM FIELD THEORY; Contents; Preface; Acknowledgment; 1. Introducing Quantum Fields; 1.1. The Classical String; 1.2. The |
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Quantum String; 1.3. Second Quantization; 1.4. Creation and Annihilation Operators; 1.5. Bose and Fermi Statistics; Problems; References; 2. Scalar Fields; 2.1. Klein-Gordon Equation; 2.2. Real Scalar Field; 2.3. Energy and Momentum; 2.4. Particle Spectrum; 2.5. Continuum Normalization; 2.6. Complex Scalar Field; 2.7. Charge and Antiparticle; 2.8. Microcausality; 2.9. The Feynman Propagator; 2.10. The Wave Functional; 2.11. Functional Operations |
2.12. Vacuum Wave Functional2.13. The Φ4 Theory; Problems; 3. Relativistic Fields; 3.1. Lorentz Transformations; 3.2. Minimal Representation: SL(2C); 3.3. The Poincaré Group; 3.4. Scalar, Vector, and Spinor Fields; 3.5. Relativistic Quantum Fields; 3.6. One-Particle States; Problems; Reference; 4. Canonical Formalism; 4.1. Principle of Stationary Action; 4.2. Noether's Theorem; 4.3. Translational Invariance; 4.4. Lorentz Invariance; 4.5. Symmetrized Energy-Momentum Tensor; 4.6. Gauge Invariance; Problems; Reference; 5. Electromagnetic Field; 5.1. Maxwell's Equations |
5.2. Covariance of the Classical Theory5.3. Canonical Formalism; 5.4. Quantization in Coulomb Gauge; 5.5. Spin Angular Momentum; 5.6. Intrinsic Parity; 5.7. Transverse Propagator; 5.8. Vacuum Fluctuations; 5.9. The Casimir Effect; 5.10. The Gauge Principle; Problems; References; 6. Dirac Equation; 6.1. Dirac Algebra; 6.2. Wave Functions and Current Density; 6.3. Plane Waves; 6.4. Lorentz Transformations; 6.5. Interpretation of Dirac Matrices; 6.6. External Electromagnetic Field; 6.7. Nonrelativistic Limit; 6.8. Thomas Precession; 6.9. Hole Theory; 6.10. Charge Conjugation |
6.11 Massless ParticlesProblems; References; 7. The Dirac Field; 7.1. Quantization of the Dirac Field; 7.2. Feynman Propagator; 7.3. Normal Ordering; 7.4. Electromagnetic Interactions; 7.5. Isospin; 7.6. Parity; 7.7. Charge Conjugation; 7.8. Time Reversal; Problems; Reference; 8. Dynamics of Interacting Fields; 8.1. Time Evolution; 8.2. Interaction Picture; 8.3. Adiabatic Switching; 8.4. Correlation Functions in the Interaction Picture; 8.5. S Matrix and Scattering; 8.6. Scattering Cross Section; 8.7. Potential Scattering; 8.8. Adiabatic Theorem; Problems; References.; 9. Feynman Graphs |
9.1. Perturbation Theory9.2. Time-Ordered and Normal Products; 9.3. Wick'sTheorem; 9.4. Feynman Rules for Scalar Theory; 9.5. Types of Feynman Graphs; 9.5.1. Vacuum Graph; 9.5.2. Self-Energy Graph; 9.5.3. Connected Graph; 9.6. Wick Rotation; 9.7. Regularization Schemes; 9.8. Linked-Cluster Theorem; 9.9. Vacuum Graphs; Problems; Reference.; 10. Vacuum Correlation Functions; 10.1. Feynman Rules; 10.2. Reduction Formula; 10.3. The Generating Functional; 10.4. Connected Correlation Functions; 10.5. Lehmann Representation; 10.6. Dyson-Schwinger Equations; 10.7. Bound States |
10.8. Bethe-Salpeter Equation |
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Sommario/riassunto |
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A unique approach to quantum field theory, with emphasis on the principles of renormalization Quantum field theory is frequently approached from the perspective of particle physics. This book adopts a more general point of view and includes applications of condensed matter physics. Written by a highly respected writer and researcher, it first develops traditional concepts, including Feynman graphs, before moving on to key topics such as functional integrals, statistical mechanics, and Wilson's renormalization group. The connection between the latter and conventional perturbative renormalizatio |
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3. |
Record Nr. |
UNISALENTO991002437689707536 |
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Titolo |
Analele Universitatii Bucuresti-Limbi si literaturi straine / Universitatea Bucuresti. - 1969- |
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ISSN |
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Altri autori (Enti) |
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Universitatea Bucurestiauthor |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Periodico |
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4. |
Record Nr. |
UNINA9910782387203321 |
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Titolo |
150 years of quantum many-body theory [[electronic resource] ] : a festschrift in honour of the 65th birthdays of John W. Clark, Alpo J. Kallio, Manfred L. Rising, Sergio Rosati : UMIST, Manchester, UK, July 10-14, 2000 / / editors, Raymond F. Bishop, Klaus A. Gernoth, Niels R. Walet |
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Pubbl/distr/stampa |
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Singapore ; ; River Edge, NJ, : World Scientific, c2001 |
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ISBN |
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1-281-95133-1 |
9786611951337 |
981-279-976-1 |
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Descrizione fisica |
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1 online resource (359 p.) |
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Collana |
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Series on advances in quantum many-body theory ; ; v. 5 |
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Altri autori (Persone) |
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BishopR. F (Raymond F.) |
GernothKlaus A |
WaletNiels R |
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Disciplina |
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Soggetti |
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Many-body problem |
Physics |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and indexes. |
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Nota di contenuto |
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CONTENTS; Series Editorial Board and Other Committees; Foreword by the Editors; Scientific CVs of the Honorees; John Walter Clark; Alpo J. Kallio; Manfred Ristig; Sergio Rosati; A Historical Perspective; The Music of the QMBT Quartet; Formal Aspects of Many-Body Theory; Diagrams are Theoretical Physicist's Best Friends; Fourth Order Algorithms for Solving Diverse Many-Body Problems; Relativistic Quantum Dynamics of Many-Body Systems; Elastic N-body to N-body Scattering in the Hyperspherical Representation; A Generic Way to Look at Many-Body Theory; A Variational Coupled-Cluster Theory |
Nuclear and Subnuclear Physics The Nuclear Equation of State and Neutron Star Structure; To Dress or Not to Dress; Fermi Hypernetted Chain Equations and Nuclear Many-Body Physics; Nuclear Matter with the Auxiliary Field Diffusion Monte Carlo Method; Three-Body Force Effects in Few-Nucleon Systems; Correlations in Nuclear Matter with Two-Time Green's Functions; Weak Proton Capture on 3 He and the Solar Neutrino Problem; Generalized Momentum Distribution of Infinite and Finite Nucleon Systems; The Translationally Invariant Coupled Cluster Method with Applications to Nuclear Systems |
Mean Field Approach to Quark Matter in the NJL Model Effective Field Theory in Nuclear Many-Body Physics; Hyperspherical Methods for A > 4 Systems; Spin Systems; Ab initio Calculations of the Spin-Half XY Model; Quantum Antiferromagnets with Easy-Plane Anisotropy; Quantum Phase Transitions in Spin Systems; Quantum Fluids and Solids; Bose Condensation; Path Integral Monte Carlo Calculations of Symmetry-Breaking in Structural Phase Transitions; The Description of Strongly Interacting Systems Based on Jastrow Correlations and Configuration Interaction |
The Many-Boson System in One-Dimension: Application to 4 He The Ground State of Trapped Bosons Beyond the Gross-Pitaevskii Approximation; Pairing of Impurities in Quantum Fluids; Strongly Correlated Electrons; Spin Polarizations of Quantum Hall States; Electronic Molecules in Condensed Matter; The Metal-Insulator Transition in 2D and New Phases of Quantum Localisation; Related Subjects; Information Representation in the Multi-Layer Perceptron; Classical and Quantum Lyapunov Exponents in the Phase-Space Tomographic Approach; Author Index; Subject Index |
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Sommario/riassunto |
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In July 2000 a conference was held to honour the 65th birthdays of four of the leading international figures in the field of quantum many-body theory. The joint research careers of John Clark, Alpo Kallio, Manfred Ristig and Sergio Rosati total some 150 years, and this festschrift celebrated their achievements. These cover a remarkably wide spectrum. The topics in this book reflect that diversity, ranging from formal aspects to real systems, including nuclear and subnuclear systems, quantum fluids and solids, quantum spin systems and strongly correlated electron systems. The book collects more |
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