Salam, Abdus, 1926-1996
        Selected papers of Abdus Salam : (with commentary). Vol. 5 / editors, A. Ali [and others]. - Singapore: Word Scientific, 1994. - xiv, 679 pages : illustrations ; 27 cm.        (World Scientific series in 20th century physics ; vol. 5)

        Includes bibliographical references (pages 663-679)

        Tóm tắt: A theoretical justification for the infinite subtractions, which have to be made in the renormalization of the S matrix, is given along the lines suggested by Gupta and developed by Takeda. It is shown that this is equivalent to working with the renormalized field variables of Dyson, and that the method deals very simply with overlapping divergences and the “wave function” renormalization associated with external lines. It also gives directly Ward's identities and brings out their essential dependence on gauge invariance. The method is applied to free and bound electrons in electrodynamics and all renormalizable meson theories. In the later sections the new method is related to the original method of Dyson; the Bethe-Salpeter equation is renormalized and closed forms are derived for the renormalization constants

        ISBN
        
1. Electroweak interactions.2. Grand unified theories (Nuclear physics).3. Particles (Nuclear physics).4. Quantum field theory.5. Lý thuyết trường lượng tử.6. Hạt (Vật lý hạt nhân).
I. Ali, A. (Ahmed). II. Nhan đề

Số định danh : 530.143 S103

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NV: NV18000599
: NV18000597-8

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