Publication: Derivation of the cubic non-linear Schrödinger equation from quantum dynamics of many-body systems
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Date
2006
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Springer Nature
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Citation
Erdos, László, Benjamin Schlein, and Horng-Tzer Yau. 2006. “Derivation of the Cubic Non-Linear Schrödinger Equation from Quantum Dynamics of Many-Body Systems.” Inventiones Mathematicae 167 (3) (December 20): 515–614. doi:10.1007/s00222-006-0022-1.
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Abstract
We prove rigorously that the one-particle density matrix of three dimensional interacting Bose systems with a short-scale repulsive pair interaction converges to the solution of the cubic non-linear Schrödinger equation in a suitable scaling limit. The result is extended to k-particle density matrices for all positive integer k.
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Keywords
Feynman diagrams, BBGKY hierarchy, dispersive estimates, propagation of chaos
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