Qmechanic

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I'm a theoretical physicist.


482 Answers

newest activity votes
0
Finding Hamilton's equations given a Hamiltonian
4
When are there enough Casimirs?
6
Hilbert space of harmonic oscillator: Countable vs uncountable?
1
Topological vs. non-topological noetherian charges
0
Geodesic equations
1
Peculiar Hamiltonian Phase space
2
Expanding two-variable function $f(x,y)$ over the complete sets $\{ g_{i}(x) \}$ and $\{ h_{j}(y) \}$
2
Motivation for Wigner Phase Space Distribution
1
Evaluating the Ricci tensor effectively
2
Derivation of the volume element (which uses the metric tensor)?
2
Coherent State, Unitary Operators, Harmonic Oscillator
7
Definition of Casimir operator and its properties
3
The matrix element of a normal-ordered operator
2
Trace and adjoint representation of $SU(N)$
2
Moyal Product in Non Commutative Quantum Mechanics
1
Matrix representation for fermionic annihilation operator
0
Local inertial coordinates
1
Total energy is extremal for the static solutions of equation of motions
0
Noether's identities
1
Quantum mechanical analogue of conjugate momentum
6
When can a global symmetry be gauged?
1
What is the most natural value of Heaviside step function at zero argument?
2
Mysterious spectra?
0
How can the derivative of this trace be constrained?
1
Where is the magnetic self energy term in $L$ for a charged particle in an electromagnetic field?
3
Non-SHM oscillatory motion
3
primary constraints for constrained Hamiltonian systems
1
Calculating Average Velocity
1
Prove an action expansion's even-indexed terms have to be integrated, where the odd-indexed terms are only derivatives of the potential (WKB)
1
From Lagrangian to Hamiltonian in Fermionic Model
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