Field Theory, Critical Phenomena and Interfaces
نویسنده
چکیده
1 Field Theory 2 1.1 Canonical Formalism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2 Green’s Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Euclidean Time Formulation . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.4 Example: Free Field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.5 Functional Integral Formulation . . . . . . . . . . . . . . . . . . . . . . . . 7 1.6 Lattice Regularisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.7 Analogy to Statistical Mechanics . . . . . . . . . . . . . . . . . . . . . . . 9
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