Skip to main content
Fernando Garcia Cortez's user avatar
Fernando Garcia Cortez's user avatar
Fernando Garcia Cortez's user avatar
Fernando Garcia Cortez
  • Member for 3 years, 10 months
  • Last seen this week
3 votes
2 answers
63 views

Motivation for splitting the Lorentz Algebra using $J_{\pm i}$

2 votes
1 answer
52 views

Understanding $\mathscr{L}_Y^{\text{down} }=-\sqrt{2}\sum _{a,q}\overline{\psi }_{iL}Y^{\text{down} }_{iq}q'_RH+\text{h.c.} $

2 votes
2 answers
366 views

What's the best answer to "how many bounces until the ball stops"?

1 vote
1 answer
627 views

How does the derivative of time with respect to proper time equals gamma?

1 vote
1 answer
61 views

Concluding that local $SU(2)$ symmetry implies that we have charged and uncharged fields

1 vote
1 answer
138 views

Deriving the $(1/2,1/2) $ representation of the Lorentz Group as in Schwichtenberg

1 vote
2 answers
93 views

Understanding Feynman Diagrams in Loop Corrections to the propagator $\phi ^3 $ theory [closed]

1 vote
0 answers
40 views

How to use Thermal $\phi ^4$ Feynman rules?

1 vote
1 answer
60 views

Steps taken to differentiate action in wave equation [closed]

0 votes
1 answer
207 views

Noether currents for $SU(2)$ symmetric Lagrangian

0 votes
1 answer
48 views

Understanding notation in $-\overline{U}_LmU_R+\text{h.c.} =-\overline{U}mU$

0 votes
2 answers
926 views

Small advice on doing Maxwell's covariant form

0 votes
1 answer
187 views

Equilibrium between spring and centrifugal force