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By definition, gauge theories - among the cornerstones of fundamental theoretical physics - involve more degrees of freedom than required by the underlying physics. The unphysical degrees of freedom must be shown not to yield unwarranted effects at every step in the formalism where explicit Lorentz covariance is required. The present work presents, in a rigorous way, a consistent formulation for the handling of noncovariant gauges in the quantization and renormalization of gauge theories. Though the path integral method is very convenient for the proof of unitarity and renormalizability of gauge theories, the canonical formalism is eventually necessary to expose the issues in a self-consistent way. These notes are written as an introduction to postgraduate students, lecturers and researchers in the field and assume prior knowledge of quantum field theory.

Gauge fields (Physics) --- Quantum field theory.

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The Transparent Becoming of World undertakes a penetrating inquiry into the quotidian world we take for granted and the brain that silently hoists our bubbles of world-thrownness. After critiquing the traditional views of direct realism, indirect realism and idealism, the continual becoming of world is explained by a novel integration of process dynamics, as formulated by Whitehead, Heidegger and Bohm, with the burgeoning field of quantum neurophilosophy. A rich ontological duality newly opened by quantum brain theory is exploited: the "between-two" of dual quantum modes. Existence as world-thrownness is between-two in waking and dreaming alike. This highly original interdisciplinary book may be of interest to philosophers, psychologists, neuroscientists, consciousness researchers, indeed anyone attracted to the enigma of their own lived existence. (Series A).

Mind and reality. --- Process philosophy. --- Quantum field theory. --- Neuropsychology --- Relativistic quantum field theory --- Field theory (Physics) --- Quantum theory --- Relativity (Physics) --- Change --- Philosophy --- Reality and mind --- Reality --- Philosophy.

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In life and work, Claudio Bunster (formerly Teitelboim) prefers extreme challenges. Bunster, a physicist who contemplates brain-warping theories of space and time, returned to his native Chile from the United States precisely when most intellectuals would have stayed clear— during the middle of the Pinochet dictatorship (K. Mossman, Proceedings of the National Academy of Sciences) Against this backdrop, Bunster founded the Centro de Estudios Científicos (CECS), a world class institute for frontier science research in Chile. His mentor, John A. Wheeler often used Teddy Roosevelt’s advice, "Do what you can, where you are, with what you have." "I followed his advice," said Bunster. "At latitude 40°S there is a science institute where one can find the footprints of Wheeler in every corner." As a true pioneer, Bunster was ahead of his time, opening roads, pushing the frontiers, under extreme conditions, in unexplored environments. Throughout his career, black holes, monopoles, the Antarctic vastness and the entire universe, have been the objects of his fascination: extreme, simple objects where beauty is best captured and displayed. On 10 and 11 January 2008, the meeting Quantum Mechanics of Fundamental Systems: The Quest for Beauty and Simplicity –Claudio’s Fest took place in Valdivia to celebrate Claudio Bunster’s 60th birthday. This volume collects the contributions that were discussed at this meeting by many of Bunster’s colleagues and longtime collaborators. Articles by L. Brink, S. Carlip, F. Englert, S. Hawking, M. Henneaux, C.W. Misner and L. Susskind, among others, highlight the broad impact of Bunster, providing unique insightful views on many topics addressed by him in his scientific career, ranging from black holes and symmetries in gravity and supergravity, to cosmology. The meeting was co-organized by the CECS and the International Solvay Institutes.

Physics. --- Quantum theory. --- Teitelboim, Claudio. --- Quantum theory --- Physics --- Atomic Physics --- Physical Sciences & Mathematics --- Natural philosophy --- Philosophy, Natural --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Teitelboim Weitzmann, Claudio --- Weitzmann, Claudio Teitelboim --- Bunster, Claudio --- Gravitation. --- Quantum physics. --- Elementary particles (Physics). --- Quantum field theory. --- Elementary Particles, Quantum Field Theory. --- Quantum Physics. --- Classical and Quantum Gravitation, Relativity Theory. --- Physical sciences --- Dynamics --- Mechanics --- Thermodynamics --- Field theory (Physics) --- Matter --- Antigravity --- Centrifugal force --- Relativity (Physics) --- Relativistic quantum field theory --- Elementary particles (Physics) --- High energy physics --- Nuclear particles --- Nucleons --- Nuclear physics --- Properties

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By definition, gauge theories - among the cornerstones of fundamental theoretical physics - involve more degrees of freedom than required by the underlying physics. The unphysical degrees of freedom must be shown not to yield unwarranted effects at every step in the formalism where explicit Lorentz covariance is required. The present work presents, in a rigorous way, a consistent formulation for the handling of noncovariant gauges in the quantization and renormalization of gauge theories. Though the path integral method is very convenient for the proof of unitarity and renormalizability of gauge theories, the canonical formalism is eventually necessary to expose the issues in a self-consistent way. These notes are written as an introduction to postgraduate students, lecturers and researchers in the field and assume prior knowledge of quantum field theory.

Physics. --- Elementary particles (Physics). --- Quantum field theory. --- Elementary Particles, Quantum Field Theory. --- Mathematical Methods in Physics. --- Gauge fields (Physics) --- Renormalization (Physics) --- Charge and mass renormalization --- Mass and charge renormalization --- Relativistic quantum field theory --- Fields, Gauge (Physics) --- Gage fields (Physics) --- Gauge theories (Physics) --- Field theory (Physics) --- Quantum theory --- Relativity (Physics) --- Electric charge and distribution --- Mass (Physics) --- Physical measurements --- Quantum field theory --- Group theory --- Symmetry (Physics) --- Quantum theory. --- Mathematical physics. --- Physical mathematics --- Physics --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Mechanics --- Thermodynamics --- Mathematics --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Elementary particles (Physics) --- High energy physics --- Nuclear particles --- Nucleons --- Nuclear physics

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Black Holes are still considered to be among the most mysterious and fascinating objects in our universe. Awaiting the era of gravitational astronomy, much progress in theoretical modeling and understanding of classical and quantum black holes has already been achieved. The present volume serves as a tutorial, high-level guided tour through the black-hole landscape: information paradox and blackhole thermodynamics, numerical simulations of black-hole formation and collisions, braneworld scenarios and stability of black holes with respect to perturbations are treated in great detail, as is their possible occurrence at the LHC. An outgrowth of a topical and tutorial summer school, this extensive set of carefully edited notes has been set up with the aim of constituting an advanced-level, multi-authored textbook which meets the needs of both postgraduate students and young researchers in the fields of modern cosmology, astrophysics and (quantum) field theory.

Black holes (Astronomy) --- Astrophysics --- Astronomy & Astrophysics --- Physical Sciences & Mathematics --- Physics. --- Quantum field theory. --- String theory. --- Gravitation. --- Astrophysics. --- Elementary particles (Physics). --- Classical and Quantum Gravitation, Relativity Theory. --- Quantum Field Theories, String Theory. --- Astrophysics and Astroparticles. --- Elementary Particles, Quantum Field Theory. --- Quantum theory. --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Elementary particles (Physics) --- High energy physics --- Nuclear particles --- Nucleons --- Nuclear physics --- Astronomical physics --- Astronomy --- Cosmic physics --- Models, String --- String theory --- Nuclear reactions --- Relativistic quantum field theory --- Field theory (Physics) --- Quantum theory --- Relativity (Physics) --- Matter --- Antigravity --- Centrifugal force --- Properties