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ColourConfined
  • Member for 5 years, 3 months
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8 votes
3 answers
976 views

QFT vacuum and the zero point energy

6 votes
3 answers
2k views

Boundedness of a Hamiltonian and when does a Hamiltonian have a spectrum?

6 votes
3 answers
1k views

Different Hilbert spaces in quantum mechanics

5 votes
2 answers
5k views

Convective derivative vs total derivative

5 votes
1 answer
602 views

When does QFT perturbation theory stop being valid?

4 votes
1 answer
1k views

Local phase invariance of our lagrangian

4 votes
1 answer
549 views

Link between $\mathfrak{su}(2)$ decomposition and Lorentz Lie algebra

4 votes
2 answers
500 views

Worldline formalism and QCD

4 votes
1 answer
390 views

Standard model notation on doublets

3 votes
1 answer
243 views

The interpretation of the quantum field

3 votes
1 answer
351 views

Wigner classification of particles vs generic Hamiltonian spectrum

2 votes
0 answers
91 views

Classification of couplings in continuum renormalisation [closed]

2 votes
1 answer
240 views

Defining the exterior derivative with torsion [duplicate]

2 votes
1 answer
248 views

Fields and Path integrals in the axiomatic Wightman setting

2 votes
1 answer
1k views

Fermion LSZ reduction / Greens function

1 vote
1 answer
248 views

LSZ derivation and contact terms [closed]

1 vote
2 answers
1k views

Time dependence of ladder operators in QFT

1 vote
2 answers
348 views

Different definitions of configuration space

1 vote
1 answer
219 views

Finding the form of an Infinitesimal Lorentz matrix

1 vote
1 answer
503 views

SUSY and van der Waerden spinor notation

1 vote
1 answer
143 views

Different adjoints in particle physics

1 vote
1 answer
117 views

Quark model wavefunction separability

1 vote
0 answers
98 views

Unstable particles as Hilbert space states

0 votes
2 answers
67 views

Literature request: Non-compact supported gauge transformations

0 votes
0 answers
212 views

Distributions in QFT