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Keyflux
  • Member for 6 years, 1 month
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4 votes
0 answers
128 views

Tadpole cancellation condition for $C_4$ in Type IIB Supergravity theory

3 votes
0 answers
158 views

Variations of tensors are tensors?

3 votes
0 answers
64 views

Product of two finite Lorentz transfomations on a classical scalar field

2 votes
1 answer
534 views

Traceless symmetric tensor's transformation under a Lie group

2 votes
1 answer
236 views

Crossing Symmetry between tree-level diagrams of $e^+ e^- \rightarrow \mu^+ \mu^-$ and $e^- \mu^- \rightarrow e^- \mu^-$

2 votes
1 answer
97 views

Field Strength and Source terms

1 vote
0 answers
80 views

About EM Lagrangian: Should electric flux density $D$ be a canonical conjugate variable of electric field $E$?

1 vote
0 answers
188 views

Peskin&Schroeder (4.76) - Evaluation of non-trivial part of amplitudes and Unitarity of S-matrix

1 vote
3 answers
923 views

Functional derivative of metric

1 vote
0 answers
27 views

Analytical mechanics: Noether charge as a generator with variating fields to time direction [duplicate]

1 vote
0 answers
105 views

Mass shift in QED: perturbative mass terms

0 votes
0 answers
78 views

Implicit assumption behind the definition of scalar, vector, and tensor fields

0 votes
2 answers
2k views

Which properties of Pauli matrices can be derived and cannot be derived from their algebra (without explicit representation)? [closed]