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Charlie's questions - English 1answer
32 questions.
Questions
Answers
Feynman Rules for Two Different Interacting Fields
2
1
answers,
0
favourites,
93
views
homework-and-exercises
quantum-field-theory
feynman-diagrams
correlation-functions
Propagator $K_F(x-x)$ in Feynman diagrams
1
0
answers,
1
favourites,
44
views
quantum-field-theory
feynman-diagrams
Construction of tensor from vector product
1
answers,
0
favourites,
74
views
quantum-mechanics
homework-and-exercises
2D isotropic quantum harmonic oscillator: polar coordinates
1
answers,
1
favourites,
131
views
quantum-mechanics
homework-and-exercises
wavefunction
schroedinger-equation
harmonic-oscillator
Dirac field local observables
0
answers,
0
favourites,
36
views
homework-and-exercises
quantum-field-theory
commutator
causality
General Irreducible Representation of Lorentz Group
1
1
answers,
1
favourites,
145
views
homework-and-exercises
special-relativity
group-theory
lorentz-symmetry
group-representations
Dirac propagator causality
1
answers,
0
favourites,
61
views
homework-and-exercises
quantum-field-theory
fermions
dirac-equation
propagator
General Commutator for Spherical Tensors (reformulated)
3
0
answers,
2
favourites,
149
views
quantum-mechanics
homework-and-exercises
angular-momentum
operators
representation-theory
Eigenvalues dependent on choice of $\vec{A}$? (Pauli hamiltonian)
1
2
answers,
0
favourites,
140
views
quantum-mechanics
homework-and-exercises
Wavefunction vs Quantum Field (Conceptual Approach)
4
1
answers,
1
favourites,
131
views
quantum-mechanics
homework-and-exercises
quantum-field-theory
Arranging coefficients in a derivation of the Casimir energy
1
answers,
1
favourites,
99
views
homework-and-exercises
quantum-field-theory
regularization
casimir-effect
How to prove time reversal symmetry in a system (given a hamiltonian)
1
0
answers,
0
favourites,
93
views
quantum-mechanics
homework-and-exercises
hamiltonian
time-reversal-symmetry
Show that a theory is scale invariant
2
1
answers,
0
favourites,
82
views
homework-and-exercises
lagrangian-formalism
field-theory
scale-invariance
Study of strong interactions
1
1
answers,
0
favourites,
79
views
quantum-field-theory
What is the wave field functional?
1
1
answers,
0
favourites,
74
views
quantum-field-theory
terminology
Operator acting on an exponential of an operator
1
answers,
0
favourites,
44
views
quantum-mechanics
homework-and-exercises
operators
hilbert-space
Degeneracy of anisotropic oscillator
-1
1
answers,
0
favourites,
87
views
quantum-mechanics
homework-and-exercises
harmonic-oscillator
Lorentz transform of spin particles
2
1
answers,
0
favourites,
82
views
quantum-mechanics
special-relativity
quantum-spin
Lorentz covariance of Pauli-Lubanski pseudo-vector
1
answers,
0
favourites,
105
views
homework-and-exercises
special-relativity
tensor-calculus
inertial-frames
lorentz-symmetry
Eigenstates of helicity operator
1
0
answers,
0
favourites,
109
views
quantum-mechanics
homework-and-exercises
quantum-field-theory
Helicity: massive vs massless particles
0
answers,
0
favourites,
70
views
quantum-field-theory
special-relativity
particle-physics
mass
helicity
Lorentz transformation of a polarized photon
1
0
answers,
0
favourites,
57
views
homework-and-exercises
quantum-field-theory
special-relativity
Degenerate parametric amplifier: quadratures
1
0
answers,
0
favourites,
36
views
quantum-mechanics
homework-and-exercises
quantum-optics
Evolution of uncertainty of position
1
answers,
0
favourites,
40
views
quantum-mechanics
homework-and-exercises
Lorentz representation in $\mathrm{SL}(2, \mathbb C)$: explicit form
2
1
answers,
1
favourites,
82
views
homework-and-exercises
special-relativity
group-theory
lorentz-symmetry
Green function of Retarded Causal Propagator
1
1
answers,
2
favourites,
90
views
quantum-mechanics
homework-and-exercises
quantum-field-theory
Find the eigenvalues of operator sum
2
1
answers,
0
favourites,
72
views
quantum-mechanics
homework-and-exercises
operators
hilbert-space
How to prove Lorentz invariance for rotations?
3
2
answers,
1
favourites,
105
views
homework-and-exercises
special-relativity
Coherent states of the form $|{-\alpha}\rangle$
2
1
answers,
0
favourites,
69
views
quantum-mechanics
homework-and-exercises
coherent-states
Propagator solution to Klein-Gordon equation
0
answers,
0
favourites,
132
views
quantum-mechanics
homework-and-exercises
quantum-field-theory
klein-gordon-equation
propagator
1
2
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