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- Functional_renormalization_group abstract "In theoretical physics, functional renormalization group (FRG) is an implementation of the renormalization group (RG) concept which is used in quantum and statistical field theory, especially when dealing with strongly interacting systems. The method combines functional methods of quantum field theory with the intuitive renormalization group idea of Kenneth G. Wilson. This technique allows to interpolate smoothly between the known microscopic laws and the complicated macroscopic phenomena in physical systems. In this sense, it bridges the transition from simplicity of microphysics to complexity of macrophysics. Figuratively speaking, FRG acts as a microscope with a variable resolution. One starts with a high-resolution picture of the known microphysical laws and subsequently decreases the resolution to obtain a coarse-grained picture of macroscopic collective phenomena. The method is nonperturbative, meaning that it does not rely on an expansion in a small coupling constant. Mathematically, FRG is based on an exact functional differential equation for a scale-dependent effective action.".
- Functional_renormalization_group thumbnail Theoryspace.png?width=300.
- Functional_renormalization_group wikiPageID "26271144".
- Functional_renormalization_group wikiPageRevisionID "598014492".
- Functional_renormalization_group hasPhotoCollection Functional_renormalization_group.
- Functional_renormalization_group subject Category:Fixed_points_(mathematics).
- Functional_renormalization_group subject Category:Quantum_field_theory.
- Functional_renormalization_group subject Category:Renormalization_group.
- Functional_renormalization_group subject Category:Scaling_symmetries.
- Functional_renormalization_group subject Category:Statistical_mechanics.
- Functional_renormalization_group type Abstraction100002137.
- Functional_renormalization_group type Attribute100024264.
- Functional_renormalization_group type Property104916342.
- Functional_renormalization_group type ScalingSymmetries.
- Functional_renormalization_group type SpatialProperty105062748.
- Functional_renormalization_group type Symmetry105064827.
- Functional_renormalization_group comment "In theoretical physics, functional renormalization group (FRG) is an implementation of the renormalization group (RG) concept which is used in quantum and statistical field theory, especially when dealing with strongly interacting systems. The method combines functional methods of quantum field theory with the intuitive renormalization group idea of Kenneth G. Wilson.".
- Functional_renormalization_group label "Functional renormalization group".
- Functional_renormalization_group sameAs m.0b77lh_.
- Functional_renormalization_group sameAs Q5508844.
- Functional_renormalization_group sameAs Q5508844.
- Functional_renormalization_group sameAs Functional_renormalization_group.
- Functional_renormalization_group wasDerivedFrom Functional_renormalization_group?oldid=598014492.
- Functional_renormalization_group depiction Theoryspace.png.
- Functional_renormalization_group isPrimaryTopicOf Functional_renormalization_group.
