Skip to main content
Physics
Electra's user avatar
Electra's user avatar
Electra's user avatar
Electra
  • Member for 4 years, 4 months
  • Last seen more than a month ago
Profile Activity
Stats
295
reputation
9k
reached
1
answer
16
questions
Communities
View all
Badges
View all badges
This user doesn’t have any gold badges yet.
1
silver badge
13
bronze badges
Top tags
View all tags
1
Score
10
Posts
59
Posts %
1
Score
3
Posts
18
Posts %
0
Score
6
Posts
35
Posts %
0
Score
4
Posts
24
Posts %
0
Score
3
Posts
18
Posts %
0
Score
3
Posts
18
Posts %
Top posts
View all questions and answers
4
Where does the four-vector potential $A^\mu$ originate?
May 2
3
Can the total momentum in the centre of mass frame be non-zero?
May 9, 2020
3
The 1-dimensional Kronig-Penney Model: Trying to understand the relation between hopping energy and effective mass
Jun 4, 2020
3
Show that $i/2m\int d^3\vec x\hat\pi(\vec x)\partial^2_i\hat\phi(\vec x)=1/(2\pi)^3\int d^3\vec p E(\vec p)\hat a(\vec p)^\dagger\hat a(\vec p)$ [closed]
Dec 17, 2023
2
What is the derivation of this formula for eclipsed flux?
Apr 26, 2020
2
Difference between: 'Rest Mass' length, 'Centre of Mass' length and 'Invariant Mass' length in special relativity and particle physics?
May 11, 2020
2
Show that the effective carrier density for electrons is $2\left(\frac{{m_c}^*k_BT}{2\pi\hbar^2}\right)^{3/2}$ [closed]
Jun 7, 2020
2
Confusion even over such a simple application of the Right-hand rule to determine direction of magnetic field
Jul 20, 2020
2
How can nuclear fusion release energy (even in principle)?
Aug 2, 2020
1
How to compute the magnetic field given a circularly polarised electric field?
Mar 14, 2020
Top network posts
View all network posts
10
How to Fourier transform to find the operator coefficients in the solution to the real Klein-Gordon scalar field in the Heisenberg picture?
8
Show that the real K-G equation, $(\Box + m^2)\phi=0$ is the EOM for the action $S=\frac12\int d^4x(\partial^\mu{\phi}\partial_\mu{\phi}-m^2\phi^2)$
6
How to derive the equation for geodesic deviation starting from the geodesic equation?