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All questions asked by firest

List all solved & unsolved questions asked by firest

Finding a "Principle of Least Action" equivalent statement for Hamiltonian Mechanics

2   Physics Asked on 12/28/2020

classical mechanics  hamiltonian formalism  lagrangian formalism  variational principle 

Why is parameter $q$ of $U_q(mathfrak{sl}_2)$ being root of unity a problem?

0   Physics Asked on 06/09/2021

integrable systems  lie algebra 

Matrix representation of the $x$-component of orbital angular momentum $hat{L}_x$

1   Physics Asked on 06/09/2021

angular momentum  observables  operators  quantum mechanics  spherical harmonics 

The nature of measurement in Quantum Mechanics

0   Physics Asked on 06/09/2021

electrons  experimental physics  particle physics  quantum mechanics  quantum spin 

Understanding $rm SU(3)$ Gauge Invariance Through a Perturbation Theory

1   Physics Asked on 06/09/2021

gauge invariance  group theory  perturbation theory  quantum chromodynamics  strong force 

1-Loop Approximation for Fermionic Effective Action

1   Physics Asked on 06/09/2021

action  approximations  notation  quantum field theory 

Can quantum deletion error-correcting codes be constructed?

2   Physics Asked on 06/09/2021

quantum error correction  quantum information 

Significance of Group velocity Equation

1   Physics Asked on 06/09/2021

dispersion  frequency  phase velocity  wavelength  waves 

Why didn't the CMB clump into denser parts like the matter in galaxies with voids inbetween since the photons exert gravitational pull on each other?

2   Physics Asked on 06/09/2021

cosmology  general relativity  photons  spacetime 

Thinking on a 2D plane, Is the "point" of the big bang still active?

1   Physics Asked on 06/09/2021

big bang  cosmic microwave background  observable universe 

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