Qmechanic

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I'm a theoretical physicist.


486 Answers

newest activity votes
6
Proof that the One-Dimensional Simple Harmonic Oscillator is Non-Degenerate?
6
Can any physical rigid body be represented by an ellipsoid with the same angular dynamics?
6
Find the Hamiltonian given $\dot p$ and $\dot q$
6
How to interpret the magnetic vector potential?
6
Why is the Yang-Mills gauge group assumed compact and semi-simple?
6
What is the value of a quantum field?
6
What is the spectrum of energies for the potential $ a^{x} $?
6
Is spacetime flat inside a spherical shell?
6
Intuition for multiple temporal dimensions
6
Why we use $L_2$ Space In QM?
6
What is the definition of how to count degrees of freedom?
6
Shape of electric charges on sphere in equilibrium state
6
How do I construct the $SU(2)$ representation of the Lorentz Group using $SU(2)\times SU(2)\sim SO(3,1)$ ?
6
Dirac's quantization rule
6
Why is there a $\frac 1 2$ in $\frac 1 2 mv^2$?
6
Simple QFT exercise
6
Do Maxwell's Equations overdetermine the electric and magnetic fields?
6
How does non-Abelian gauge symmetry imply the quantization of the corresponding charges?
6
What symmetry causes the Runge-Lenz vector to be conserved?
6
Finding coefficient of proportionality
6
Proving that interval preserving transformations are linear
6
Charged Black holes - What is the Interest in those?
6
How to calculate the quantum expectation of frequency of a particle?
6
Is Palladium an exception?
6
Laplacian of $1/r^2$ (context: electromagnetism and poisson equation)
6
Question about a Limit of Gaussian Integrals and how it relates to Path Integration (if at all)?
5
Is the momentum operator diagonal in position representation?
5
Possible ambiguity in using the Dirac Delta function
5
Are group representations possible when the solution space is not a vector space?
5
Dimension of Dirac $\gamma$ matrices
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