An ultraviolet cutoff removes modes above a chosen energy or momentum scale. An effective field theory encodes the influence of those omitted short-distance modes in its couplings.
Ancestors (5)
Incoming links (44)
- Continuum limit of a harmonic chain
- Continuum limit of a quantum field theory
- Cosmological constant problem
- Cutoff regularization
- Finite higher-point scalar vertex
- Fixed-mean-number Bogoliubov variational energy
- Gaussian fluctuation correction near a critical point
- Gaussian variational kernel for a gradient quartic interaction
- Infrared regularization
- Infrared-regulated phase covariance
- Mass-moment cancellation of vacuum energy divergences
- Mode-number regularization of soliton masses
- Momentum-cutoff two-point function in six-dimensional cubic scalar theory
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- Radial critical-mass subtraction in dimensions three to five
- Scalar potential from a field-dependent momentum cutoff
- Ultraviolet cutoff
- Wilsonian coarse-grained statistical Hamiltonian
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