Publication: Feynman Graphs and Renormalization in Quantum Diffusion
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Date
2008
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World Scientific Publishing
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Citation
Erdos, László, Manfred Salmhofer, and Horng–Tzer Yau. "Feynman graphs and renormalization in quantum diffusion." Quantum field theory and beyond (2008): 167-182.
Abstract
We review our proof that in a scaling limit, the time evolution of a quantum particle in a static random environment leads to a diffusion equation. In particular, we discuss the role of Feynman graph expansions and of renormalization.
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Keywords
Brownian motion, Anderson model, Quantum diffusion, Feynman graphs, Renormalization
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