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Renormalization
New post in Renormalization
The Reeh-Schlieder theorem and quantum geometry
August 1st, 2022
geometry
quantum-gravity
quantum-entanglement
renormalization
Logarithms in Renormalization
August 1st, 2022
renormalization
quantum-field-theory
Beta function of pure $SU(N_\text{c})$ Yang-Mills theory
September 24th, 2020
quantum-chromodynamics
renormalization
Peskin Schroeder $\phi^4$ mass renormalization
March 6th, 2020
feynman-diagrams
renormalization
mass
lagrangian-formalism
quantum-field-theory
What does it mean for a QFT to not be well-defined?
August 1st, 2022
conformal-field-theory
renormalization
quantum-field-theory
mathematical-physics
Renormalization scheme independence of beta function
August 1st, 2022
renormalization
What is wrong with a nonrenormalizable theory?
November 30th, 2020
effective-field-theory
beyond-the-standard-model
renormalization
standard-model
quantum-field-theory
Residues in QFT propagator
January 1st, 2020
quantum-field-theory
quantum-interpretations
renormalization
Why does local gauge invariance suggest renormalizability?
August 1st, 2022
gauge-theory
quantum-field-theory
yang-mills
gauge-invariance
renormalization
What is meant by the phrase "the mass is protected by a symmetry"?
August 1st, 2022
terminology
symmetry
renormalization
quantum-field-theory
Why does the counterterm's propagator have inverse units of the propagator? $\phi^4$-theory
October 11th, 2020
feynman-diagrams
renormalization
quantum-field-theory
What is IR CFT and UV CFT?
September 29th, 2020
regularization
conformal-field-theory
renormalization
quantum-field-theory
Wilsonian RG and Effective Field Theory
August 1st, 2022
effective-field-theory
action
renormalization
lagrangian-formalism
quantum-field-theory
Physical explanations for renormalization
August 1st, 2020
renormalization
quantum-field-theory
$\phi^4$-theory: interpreting the RG flow
August 1st, 2022
field-theory
renormalization
quantum-field-theory
"Dimensional analysis" arguments in quantum field theory
August 1st, 2022
quantum-field-theory
dimensional-analysis
renormalization
regularization
Could the full theory of quantum gravity just be a nonrenormalizable quantum field theory?
January 3rd, 2020
quantum-field-theory
effective-field-theory
quantum-gravity
renormalization
Evaluating propagator without the epsilon trick
October 31st, 2020
quantum-field-theory
renormalization
fourier-transform
klein-gordon-equation
quantum-mechanics
Renormalization in string theory
August 1st, 2022
string-theory
quantum-field-theory
research-level
renormalization
Triviality of interacting QFT
June 9th, 2020
quantum-field-theory
renormalization
spacetime-dimensions
interactions
The phrase "Trace Anomaly" seems to be used in two different ways. What's the relation between the two?
April 24th, 2020
quantum-field-theory
quantum-anomalies
gauge-theory
renormalization
research-level
What is the difference between scale invariance and self-similarity?
April 18th, 2020
renormalization
statistical-mechanics
quantum-field-theory
scale-invariance
conformal-field-theory
Why do irrelevant operators require infinitely many counterterms?
May 21st, 2020
effective-field-theory
interactions
dimensional-analysis
renormalization
quantum-field-theory
What is the difference between pole and running mass?
August 1st, 2022
renormalization
mass
quantum-field-theory
A pedestrian explanation of Renormalization Groups - from QED to classical field theories
January 7th, 2020
quantum-field-theory
effective-field-theory
perturbation-theory
renormalization
lagrangian-formalism
Why do we expect our theories to be independent of cutoffs?
October 4th, 2020
regularization
renormalization
condensed-matter
statistical-mechanics
quantum-field-theory
Can dimensional regularization solve the fine-tuning problem?
March 7th, 2021
quantum-field-theory
renormalization
regularization
fine-tuning
dimensional-regularization
Does renormalization make quantum fields into (slightly) nonlinear functionals of test functions?
August 1st, 2022
regularization
renormalization
mathematical-physics
quantum-field-theory
Regularization of the Casimir effect
December 10th, 2020
casimir-effect
regularization
renormalization
research-level
quantum-field-theory
Why regularization?
May 12th, 2020
renormalization
quantum-field-theory
regularization
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