Adding Up Feynman Diagrams to Make Predictions about Real Materials (IMAGE)

California Institute of Technology

Adding Up Feynman Diagrams to Make Predictions about Real Materials

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Illustration of a polaron in a crystal: the central bright sphere is the charge carrier, distorting the surrounding lattice. The wavy lines represent high-order Feynman diagrams for the electron–phonon interaction, summed with quantitative accuracy with the new Caltech method.

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Ella Maru Studio

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