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[null,"1.","Record Nr.",null,"UNINA9910782394603321"]
[null,null,"Autore",null,"Kleinert Hagen"]
[null,null,"Titolo",null,"Critical properties of [Greek letter phi]4-theories [[electronic resource] /] / Hagen Kleinert, Verena Schulte-Frohlinde"]
[null,null,"Pubbl/distr/stampa",null,"River Edge, N.J., : World Scientific, c2001"]
[null,null,"ISBN",null,"1-281-95148-X"]
[{"$nulls":4},"9786611951481"]
[{"$nulls":4},"981-279-994-X"]
[null,null,"Descrizione fisica",null,"1 online resource (512p.)"]
[null,null,"Disciplina",null,"530.143"]
[null,null,"Soggetti",null,"Perturbation (Quantum dynamics)"]
[{"$nulls":4},"Physics"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Bibliographic Level Mode of Issuance: Monograph"]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and index."]
[null,null,"Nota di contenuto",null,"Definition of [phi]4-Theory; Feynman Diagrams; Diagrams in Momentum Space; Structural Properties of Perturbation Theory; Diagrams for Multicomponent Fields; Scale Transformations of Fields and Correlation Functions; Regularization of Feynman Integrals; Renormalization; Renormalization Group; Recursive Subtraction of UV-Divergences via R-Operation; Zero-Mass Approach to Counterterms; Calculation of Momentum Space Integrals; Generation of Diagrams; Results of the Five-Loop Calculation; Basic Resummation Theory; Critical Exponents of O(N)-Symmetric Theory; Cubic Anisotropy; Variational Perturbation Theory; Critical Exponents from Other Expansions; New Resummation Algorithm; Conclusion: Diagrammatic R-Operation Up to Five Loops; Contributions to Renormalization-Constants."]
[null,null,null,"Sommario/riassunto","This work explains in detail how to perform perturbation expansions in quantum field theory to high orders, and how to extract the critical properties of the theory from the resulting divergent power series."]