EAN: 9783319281711

QUANTUM FIELD THEORY - THANU PADMANABHAN GEBUNDEN

This book describes  in clear terms  the Why  What and the How of Quantum Field Theory. The
raison d'etre of QFT is explained by starting from the dynamics of a relativistic particle and
demonstrating how it leads to the notion of quantum fields. Non-perturbative aspects and the
Wilsonian interpretation of field theory are emphasized right from the start. Several
interesting topics such as the Schwinger effect  Davies-Unruh effect  Casimir effect and
spontaneous symmetry breaking introduce the reader to the elegance and breadth of applicability
of field theoretical concepts. Complementing the conceptual aspects  the book also develops all
the relevant mathematical techniques in detail  leading e.g.  to the computation of anomalous
magnetic moment of the electron and the two-loop renormalisation of the self-interacting scalar
field. It contains nearly a hundred problems  of varying degrees of difficulty  making it
suitable for both self-study and classroom use.

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