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Quantum-mechanics
New post in Quantum-mechanics
If we can prove that superposition exists, then why can't we measure it?
November 24th, 2022
quantum-mechanics
superposition
Collapse in Quantum Field Theory?
August 9th, 2022
quantum-mechanics
quantum-field-theory
wavefunction-collapse
Solving the Schrödinger equation where the initial wave function is an energy eigenfunction
July 2nd, 2020
time-evolution
quantum-mechanics
schroedinger-equation
What is the prerequisite for learning quantum mechanics?
May 2nd, 2020
quantum-mechanics
education
Dr. Pierre-Marie Robitaille: On the Validity of Kirchhoff's Law
April 17th, 2020
statistical-mechanics
thermal-radiation
thermodynamics
quantum-mechanics
How does quantum world affect us and why should I care about it?
March 20th, 2020
quantum-mechanics
Determine the normalisation constant of a piecewise wavefunction
August 11th, 2020
wavefunction
homework-and-exercises
quantum-mechanics
normalization
Normalizing the sum of wavefunctions and calculating probabilty - understanding concepts
March 29th, 2020
homework-and-exercises
normalization
wavefunction
quantum-mechanics
superposition
Degeneracy of spherical harmonics eigenfunctions
August 16th, 2020
spherical-harmonics
homework-and-exercises
quantum-mechanics
Momentum in quantum mechanics
August 9th, 2020
quantum-mechanics
momentum
heisenberg-uncertainty-principle
wave-particle-duality
Why does negative energy imply that a system is bounded?
March 4th, 2020
potential-energy
energy
quantum-mechanics
What are the main differences between these three quantum theories: QM, QFT & QG?
August 14th, 2020
quantum-field-theory
quantum-gravity
quantum-mechanics
How do you calculate the time to emission of an electron from a metal given the incident radiation?
January 31st, 2020
quantum-mechanics
homework-and-exercises
Dimension analysis of de Broglie equations
September 14th, 2020
quantum-mechanics
units
dimensional-analysis
Does the state of a quantum system change between measurements?
June 20th, 2020
quantum-mechanics
measurements
time-evolution
How to entangle two particles?
December 8th, 2020
experimental-physics
quantum-mechanics
quantum-information
Commutator with Pauli spin matrices and the momentum operator
August 1st, 2020
homework-and-exercises
quantum-mechanics
commutator
quantum-spin
operators
Probability density for wavefunction given as infinite superposition of eigenstates
June 13th, 2020
quantum-mechanics
wavefunction
hilbert-space
probability
superposition
Why do we obtain classical physics by taking the limit of Planck's constant to zero?
December 29th, 2020
quantum-mechanics
classical-mechanics
physical-constants
semiclassical
What is limitation of Pauli exclusion principle?
July 19th, 2020
quantum-mechanics
Elastic collision of photon
September 29th, 2020
quantum-mechanics
homework-and-exercises
collision
particle-physics
How to calculate the $x$-component of the angular momentum $L_x$
January 13th, 2020
angular-momentum
quantum-mechanics
Selection rules and type of photon?
June 1st, 2020
quantum-mechanics
Time Dependent HydroHow would I go about writing the time dependent wave function given the wavefunction at $t=0$? gen Wave Function
May 2nd, 2020
homework-and-exercises
quantum-mechanics
schroedinger-equation
wavefunction
Pure state - density matrix - real life example of boxes in warehouse
March 12th, 2020
statistical-mechanics
quantum-mechanics
Help trying to understand why the matrix representation of $J^2$ is what it is
May 15th, 2020
operators
hilbert-space
representation-theory
quantum-mechanics
angular-momentum
How can you prove generalised Jacobi identity?
November 8th, 2020
homework-and-exercises
quantum-mechanics
QM - calculating expectation value for velocity of an electron
August 8th, 2020
quantum-mechanics
Determine whether the ground state is an eigenfunction of [p] and of [p^2]
November 9th, 2020
eigenvalue
schroedinger-equation
momentum
quantum-mechanics
homework-and-exercises
Flow of water and flow of electrons, how this analogy works?
March 6th, 2021
electricity
quantum-mechanics
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