Alpha001
  • Member for 6 years, 3 months
  • Last seen more than 1 year ago
  • Germany
3 answers
9 votes
4k views
9 bookmarks
Conservation of energy and Killing-field
1 answers
8 votes
2k views
2 bookmarks
Peccei-Quinn-symmetry and effective Lagrangian for the Axion field
2 answers
6 votes
1k views
4 bookmarks
Is the quantum action principle of Schwinger a variational principle?
1 answers
5 votes
681 views
3 bookmarks
Gauge invariance of $\theta$-term in QCD
5 answers
4 votes
1k views
3 bookmarks
Local inertial frame
1 answers
4 votes
765 views
2 bookmarks
Kerr spacetime and Carter time machine
2 answers
3 votes
2k views
4 bookmarks
Photon-Photon-scattering (Feynman diagram)
1 answers
3 votes
209 views
Variations (proportional to unity operator) in Schwingers quantum action principle
2 answers
3 votes
1k views
Gauge field and covariant derivative
1 answers
3 votes
186 views
1 bookmarks
Frame-dragging (conservation of angular momentum)
2 answers
2 votes
575 views
2 bookmarks
Gravitational mass defect
1 answers
2 votes
110 views
Transition amplitude of n-vacuua in QCD
0 answers
2 votes
114 views
Second quantization field derivative commutator
1 answers
2 votes
121 views
2 bookmarks
Equivalence of Schwingers action principle and path integral formalism
0 answers
2 votes
157 views
Total angular velocity (Kerr metric)
1 answers
1 votes
59 views
Dirac solution with coulomb-field (perturbation theory)
0 answers
1 votes
141 views
1 bookmarks
Path integral (sum over paths where $v>c$)
0 answers
1 votes
114 views
Effective potential kerr solution
1 answers
1 votes
323 views
Time dilation (special and general relativity)
1 answers
0 votes
169 views
Event-horizon black hole
2 answers
0 votes
51 views
What is the symmetric multiplication of operators?
1 answers
0 votes
61 views
Perturbation of Diracs equation (first order)
1 answers
0 votes
352 views
Meaning of terms in Dirac Lagrangian
2 answers
0 votes
879 views
2 bookmarks
Eigenvalues of Lagrangian/action operator?
1 answers
0 votes
75 views
Proper symmetrization for dirac field
1 answers
0 votes
475 views
Lorentz transformation and symmetries of the Lagrangian
1 answers
0 votes
244 views
1 bookmarks
Time dilation at the Innermost Stable Circular Orbit
1 answers
0 votes
696 views
1 bookmarks
Metric of an accelerated reference frame (without gravitation)
0 answers
0 votes
65 views
Singularity of spacetime and singularity of the riemanian tensor scalar