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2 produkter
2 produkter
Häftad, Engelska, 1988
877 kr
Skickas inom 7-10 vardagar
This is a concise graduate level introduction to analytical functional methods in quantum field theory. Functional integral methods provide relatively simple solutions to a wide range of problems in quantum field theory. After introducing the basic mathematical background, this book goes on to study applications and consequences of the formalism to the study of series expansions, measure, phase transitions, physics on spaces with nontrivial topologies, stochastic quantisation, fermions, QED, non-abelian gauge theories, symmetry breaking, the effective potential, finite temperature field theory, instantons and compositeness. Serious attention is paid to the shortcomings of the conventional formalism (e.g. problems of measure) as well as detailed appraisal of the ambiguities of series summation. This book will be of great use to graduate students in theoretical physics wishing to learn the use of functional integrals in quantum field theory. It will also be a useful reference for researchers in theoretical physics, especially those with an interest in experimental and theoretical particle physics and quantum field theory.
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Magic is a death sentence. Rowan has spent his entire life making sure no one finds out he has it. Apprenticed to a blacksmith in the shadow of the War of the Roses, he keeps his head down and his secrets buried — until a phoenix enchants his hammer and changes everything. Now the very power he has fought to conceal is the power most likely to get him killed. With war brewing and a town that burns people like his mother, Rowan faces an impossible choice: use his gift to protect the people he loves, or use it to survive. Some choices forge a hero. Others forge something darker. The Forge of Law is the first book in The Old Forge Trilogy — perfect for fans of dark, grounded historical fantasy with moral stakes, forbidden magic, and a hero who isn't sure he's one of the good ones.