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1. Renormalization group: In theoretical physics, the term renormalization group (RG) refers to a formal apparatus that allows systematic investigation of the changes of a physical system as viewed at different scales. In particle physics, it reflects the changes in the underlying force ... (Physics) [100%] 2023-08-02 [Renormalization group] [Quantum field theory]...
2. Renormalization group analysis: The theoretical physicist aims to elaborate theories at the microscopic scale, from which observed phenomena can be explained. Renormalization group analysis allows one to determine effective theories at each length scale, from microscopic to macroscopic, by averaging over "degrees of ... (Mathematics) [81%] 2023-09-01
3. Renormalization group for non-relativistic fermions: The renormalization group (RG) is a method for trading a given problem for an equivalent one that gives the same answers to a limited subset of questions. Often one begins with a theory that is good for all energies and ... [63%] 2021-12-24 [Statistical Mechanics] [Condensed matter]...