Monthly Archives: July 2019

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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Fourier transform of Yukawa potential

Fourier transform of Yukawa potential

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Yukawa’s psi-psi-phi theory

Yukawa’s psi-psi-phi theory

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Feynman diagrams for ABA theory

Feynman diagrams for ABA theory

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Feynman diagrams for phi-cubed theory

Feynman diagrams for phi-cubed theory

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Momentum space amplitudes for phi-four theory

Momentum space amplitudes for phi-four theory

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Wick’s theorem – examples

Wick’s theorem – examples

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