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Gauge-theory
New post in Gauge-theory
Gauge invariance and covariant derivative
November 3rd, 2020
gauge-theory
electromagnetism
gauge-invariance
Integrating the gauge covariant derivative by parts
March 15th, 2020
path-integral
gauge-invariance
quantum-field-theory
gauge-theory
How to calculate Noether current for Yang Mills theory
June 21st, 2020
noethers-theorem
homework-and-exercises
lagrangian-formalism
yang-mills
gauge-theory
Difference between $SU(2)$ and $SU(2)$ gauge transformations?
August 1st, 2022
group-theory
quantum-field-theory
symmetry
gauge-theory
gauge-symmetry
How do gauge boson interact with elementary particles?
July 11th, 2020
carrier-particles
gauge-theory
interactions
quantum-field-theory
Phase shift in electromagnetic potential
November 15th, 2020
gauge-theory
wavefunction
quantum-mechanics
electromagnetism
Counting number of degrees of freedom in constrained system
August 1st, 2022
degrees-of-freedom
constrained-dynamics
hamiltonian-formalism
gauge-theory
Scalar and Vector Potential
December 29th, 2020
gauge-invariance
potential
gauge-theory
electromagnetism
Generators of $SU(2)$ and $SU(3)$ Symmetry Groups
August 1st, 2022
field-theory
gauge-theory
symmetry
lie-algebra
group-theory
Gauge theory in classical electromagnetism
October 8th, 2020
gauge-invariance
gauge-theory
electromagnetism
gauge
Expressing the gauge field strength tensor in terms of covariant derivatives of the vector potential
November 30th, 2020
gauge-theory
covariance
Single trace partition function
August 1st, 2022
gauge-theory
quantum-field-theory
Local gauge invariance of Dirac Lagrangian
August 1st, 2022
quantum-field-theory
lagrangian-formalism
field-theory
gauge-theory
homework-and-exercises
The 10 independent components in the Einstein's Field equations
August 1st, 2022
general-relativity
metric-tensor
gauge-theory
degrees-of-freedom
Global $U(1)$ transformation properties of gauge fields
August 1st, 2022
electromagnetism
gauge-invariance
quantum-field-theory
classical-field-theory
gauge-theory
Residual Gauge Freedom
August 1st, 2022
electromagnetism
gauge-theory
degrees-of-freedom
gauge
For the Yang-Mills field strength defined as a commutator, why does the $A_\nu\partial_\mu - A_\mu\partial_\nu$ term vanish?
March 23rd, 2021
differentiation
gauge-theory
commutator
yang-mills
homework-and-exercises
Why can the divergence of vector potential be anything?
July 30th, 2021
gauge
electromagnetism
magnetic-fields
gauge-theory
vector-fields
Is there a mistake in a QFT textbook?
October 14th, 2020
feynman-diagrams
gauge-theory
particle-physics
quantum-field-theory
Gauge field and covariant derivative
June 2nd, 2020
gauge-invariance
lagrangian-formalism
gauge-theory
What determines the spin of fields in gauge field theories?
August 1st, 2022
quantum-field-theory
gauge-theory
Commutator of Gauge Covariant derivatives
May 8th, 2020
curvature
gauge-theory
yang-mills
lie-algebra
Lapse and shift in ADM decomposition
March 23rd, 2020
constrained-dynamics
gauge
general-relativity
gauge-theory
hamiltonian-formalism
Physical meaning of gauge choice in electromagnetism
December 10th, 2020
potential
electromagnetism
gauge
gauge-invariance
gauge-theory
What is Weak isospin in Laymans terms?
August 1st, 2022
gauge-theory
quantum-field-theory
standard-model
weak-interaction
electroweak
Why the Proca Lagrangian has an inverted sign?
August 1st, 2022
lagrangian-formalism
mass
gauge-theory
conventions
Aharonov-Bohm effect and its topological connection
June 3rd, 2020
topology
gauge-theory
electromagnetism
quantum-mechanics
Transverse polarizations of a massless spin 1 particle
November 7th, 2020
electromagnetism
gauge-theory
helicity
polarization
Why does the $\pi$-flux state have time-reversal symmetry?
November 26th, 2020
time-reversal-symmetry
symmetry
research-level
condensed-matter
gauge-theory
Gauge Transformation of Lagrangians
August 1st, 2022
gauge-theory
lagrangian-formalism
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