Author Archives: growescience

Wick’s theorem and path integrals

Wick’s theorem and path integrals Advertisements

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Lagrangian for gaussian integral

Lagrangian for gaussian integral

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Scalar field theory with source field

Scalar field theory with source field

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Generating functional for harmonic oscillator

Generating functional for harmonic oscillator

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Green function for diffusion equation

Green function for diffusion equation

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Response function for forced harmonic oscillator

Response function for forced harmonic oscillator

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Thermal average of a harmonic oscillator

Thermal average of a harmonic oscillator

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