Abstract
Path integral formulas for the evolution operator in quantum mechanics. Path integral formula for the generating functional Z[j] in the quantum theory of the real scalar field. Rederivation of the perturbative expansion for the ϕ 44 model. Integration over Grassmann variables. Path integral formula for the generating functional in the theory of the quantum Dirac field.
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Weinberg, S.: The Quantum Theory of Fields, vol. I. Cambridge University Press, Cambridge, New York, NY, Melbourne (1995)
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© 2010 Springer-Verlag Berlin Heidelberg
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Arodź, H., Hadasz, D.L. (2010). Paths Integrals in QFT. In: Lectures on Classical and Quantum Theory of Fields. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15624-3_11
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DOI: https://doi.org/10.1007/978-3-642-15624-3_11
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