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Heat kernel expansion in the background field formalism
Heat kernel expansion and background field formalism represent the combination of two calculational methods within the functional approach to quantum field theory. This approach implies construction of generating functionals for matrix elements and expectation values of physical observables. These a...
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| Lenguaje: | eng |
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2015
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| Acceso en línea: | https://dx.doi.org/10.4249/scholarpedia.31644 http://cds.cern.ch/record/2153751 |