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Quantum-mechanics
New post in Quantum-mechanics
The Schrödinger equation as an Euler-Lagrange equation
September 26th, 2021
second-quantization
quantum-mechanics
lagrangian-formalism
schroedinger-equation
many-body
The uncertainty in angular momentum
August 1st, 2022
quantum-mechanics
angular-momentum
operators
heisenberg-uncertainty-principle
Derivation of expression for Berry curvature
July 17th, 2020
quantum-mechanics
homework-and-exercises
curvature
topological-insulators
berry-pancharatnam-phase
Total orbital and spin angular momentum for a closed shell
July 24th, 2020
quantum-mechanics
angular-momentum
atomic-physics
What is the relationship between Schrödinger equation and Boltzmann equation?
December 21st, 2020
statistical-mechanics
schroedinger-equation
hamiltonian
equations-of-motion
quantum-mechanics
What does it really mean that particle has a spin of up/down? And how is spin actually meassured?
June 10th, 2020
quantum-mechanics
angular-momentum
quantum-spin
How should I interpret the expectation value $\langle x p\rangle$ in quantum mechanics?
February 17th, 2020
quantum-mechanics
quantum-interpretations
operators
What IS reflection?
April 9th, 2020
quantum-mechanics
electromagnetic-radiation
quantum-optics
reflection
Tensor Product of Hilbert spaces
December 13th, 2020
quantum-mechanics
mathematical-physics
mathematics
hilbert-space
tensor-calculus
Uncertainty principle and the energy-momentum 4-vector
September 12th, 2020
quantum-mechanics
special-relativity
heisenberg-uncertainty-principle
Is the uncertainty principle valid?
November 5th, 2020
quantum-mechanics
heisenberg-uncertainty-principle
Interpretation of a density matrix as an observable
July 21st, 2020
quantum-mechanics
density-operator
Square of the Pauli matrices and the identity matrix
October 1st, 2020
quantum-mechanics
angular-momentum
quantum-spin
hilbert-space
observables
Separability of a Hilbert space and its implications for the formalism of QM
November 27th, 2020
quantum-mechanics
mathematical-physics
hilbert-space
What is Size of Photon?
August 1st, 2022
quantum-mechanics
particle-physics
photons
Difference in Raman, Rayleigh, and Compton scattering
February 7th, 2020
quantum-mechanics
scattering
How did Heisenberg come up with matrix mechanics?
August 1st, 2022
quantum-mechanics
history
Is the Heisenberg Uncertainty Principle only applicable to particles at rest?
August 1st, 2022
quantum-mechanics
special-relativity
heisenberg-uncertainty-principle
Is there any relation between spin and gravity?
August 1st, 2022
quantum-mechanics
general-relativity
gravity
quantum-spin
quantum-gravity
Identical particles seem to reduce probability
August 1st, 2022
quantum-mechanics
hilbert-space
wavefunction
probability
identical-particles
KMS States and Thermal States
May 4th, 2020
quantum-mechanics
quantum-field-theory
thermodynamics
statistical-mechanics
definition
Is there a straightforward method to find the Kraus operators of a given quantum channel?
March 7th, 2020
quantum-mechanics
quantum-information
What is the physical meaning of the Fourier transformed Coulomb potential $1/q^2$?
October 29th, 2020
quantum-mechanics
fourier-transform
coulombs-law
second-quantization
What is a local operator in quantum mechanics?
October 21st, 2021
quantum-mechanics
operators
symmetry
locality
non-locality
Is general relativity required from quantum mechanics?
August 1st, 2022
quantum-mechanics
general-relativity
atomic-physics
history
thought-experiment
Unsolved entanglement problems
July 10th, 2020
quantum-mechanics
quantum-entanglement
Relation between total orbital angular momentum and symmetry of the wavefunction
May 2nd, 2020
quantum-mechanics
angular-momentum
spectroscopy
symmetry
Does a magnetic field arise from a moving charge or from its spin, or both?
July 25th, 2020
quantum-mechanics
electromagnetism
quantum-spin
Is the wave function objective or subjective?
April 2nd, 2020
quantum-mechanics
quantum-interpretations
wavefunction
observables
epistemology
Locality in Quantum Mechanics
January 1st, 2020
quantum-mechanics
locality
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