Qmechanic

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I'm a theoretical physicist.


485 Answers

newest activity votes
5
Representation on Hilbert space of the product of two symmetry transformations
4
Quantum Stat-Mech Proof of an Inequality for the Partition Function
2
Uncertainty Principle for a Totally Localized Particle
3
Time Varying Potential, series solution
6
How does non-Abelian gauge symmetry imply the quantization of the corresponding charges?
4
When is the principle of virtual work valid?
1
How to apply an algebraic operator expression to a ket found in Dirac's QM book?
1
Showing constraint is nonholonomic
1
Riemann Tensor Calculation trick(number of element)
5
Looking for the name of a particular device
4
Similar masses and lifetimes of the $\Delta$ baryons
3
What's a pseudo-rotation?
1
Canonical transformations and conservation of energy
0
Are all classically impossible quantum possibilities entangled?
1
Scaling with the Ising Model
1
Question on 1st order Lagrangian Derivation in Faddeev-Jackiw Formalism
3
Compatible Observables
1
half Skyrmion vs Meron
1
Results for the path integral formalism for a system with known start and end configuration?
2
Why is the value of spin +/- 1/2?
1
Static plane in an inertial frame of reference
4
How do I show that there exists variational/action principle for a given classical system?
3
Does the stress-energy tensor contain the equations of motion?
0
Expressing a particle's matter wave in terms of its momentum
3
The Double Integrator: Matching velocity and position as quickly as possible with only a limited amount of force available
0
Is the equivalence principle strictly fulfilled by general relativity?
2
Is there a 1-1 correspondence between symmetry and group theory?
1
Smoothness constraint of wave function
1
How to prove that a motion is Simple Harmonic Motion (SHM)?
13
Is there something similar to Noether's theorem for discrete symmetries?
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