Titlebook: Relativistic Quantum Mechanics and Introduction to Field Theory; Francisco J. Ynduráin Textbook 1996 Springer-Verlag Berlin Heidelberg 199

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Quantum Fields: Spin 0, 1/2, 1. Covariant Quantization of the Electromagnetic Field, if particles cannot be created because the energy is not sufficient, they may appear as quantum fluctuations provided the time they are present, ., and the energy fluctuation, ., satisfy the Bohr-Heisenberg relation

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Textbook 1996chan- ics of systems with an infinite number of degrees of freedom. This is because the relativistic equivalence of mass and energy plus the quantum possibility of fluctuations imply the existence of (real or virtual) creation and annihilation of particles in unlimited numbers. In spite of this, the

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1864-5879 quantum mechan- ics of systems with an infinite number of degrees of freedom. This is because the relativistic equivalence of mass and energy plus the quantum possibility of fluctuations imply the existence of (real or virtual) creation and annihilation of particles in unlimited numbers. In spite of

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1864-5879 ided, and in fact an introduction to quantum field theory is presented in this text. However, field theory is not the object per se of this book; apart from a f978-3-642-64674-4978-3-642-61057-8Series ISSN 1864-5879 Series E-ISSN 1864-5887

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a moving mass (.). However, if this mass is stationary and susceptible to be deformed, a quasi-static force or mechanical force must be defined. Both dynamic and mechanical forces have the same units, but different physical meaning. Moreover, this mechanical force is analogous to load (.). Obviously

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cess zone adjacent to the crack surfaces, while the remaining material is deformed elastically. In such a case the various work terms associated with fracture may be lumped together in a macroscopic term . (resistance to fracture) which represents the work required for the creation of a unit of new

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Textbook 1996ion of one- and two-particle relativistic states, in particular for scattering processes. A field-theoretic approach may not be entirely avoided, and in fact an introduction to quantum field theory is presented in this text. However, field theory is not the object per se of this book; apart from a f