PHY 511 Field Theory

Semester: Spring (alternate years)
Credit Hours: 4
Prerequisite: PHY 509 or PHY 510

Path integral formulation of quantum mechanics, free harmonic oscillator, fermionic oscillator, instantons, free scalar field, Green's functions, generating functional, statistical mechanics as Euclidean field theory, partition function as a path integral, free Bose gas, interacting theories. Green's functions and scattering amplitudes at tree level, symmetry, Ward identities, symmetry breaking and Goldstone theorem, effective action at one loop, 1d Ising model, 2d Ising model, duality, high and low temperature expansions, transfer matrix, scaling of coupling with lattice size.

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