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Dirac-delta-distributions
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The definition of Density of States
January 16th, 2021
density-of-states
statistical-mechanics
solid-state-physics
definition
dirac-delta-distributions
How do you do an integral involving the derivative of a delta function?
August 1st, 2022
differentiation
integration
mathematics
calculus
dirac-delta-distributions
If one puts a delta-function spike inside an infinite square well, is the resulting potential analytically solvable?
August 1st, 2022
dirac-delta-distributions
schroedinger-equation
wavefunction
homework-and-exercises
quantum-mechanics
Principal value of $1/x$ and few questions about complex analysis in Peskin's QFT textbook
February 23rd, 2022
dirac-delta-distributions
complex-numbers
integration
notation
mathematical-physics
Hilbert space of a free particle: Countable or Uncountable?
October 20th, 2020
dirac-delta-distributions
hilbert-space
mathematical-physics
quantum-mechanics
How exactly is the propagator a Green's function for the Schrodinger equation
October 24th, 2020
quantum-mechanics
dirac-delta-distributions
greens-functions
propagator
What's wrong with this derivation that $i\hbar = 0$?
August 1st, 2022
operators
momentum
quantum-mechanics
dirac-delta-distributions
hilbert-space
What are the units or dimensions of the Dirac delta function?
October 11th, 2020
electrostatics
units
dimensional-analysis
dirac-delta-distributions
Don't understand the integral over the square of the Dirac delta function
January 13th, 2020
dirac-delta-distributions
quantum-mechanics
mathematical-physics
hilbert-space
regularization
Hilbert space of harmonic oscillator: Countable vs uncountable?
August 26th, 2021
dirac-delta-distributions
harmonic-oscillator
mathematical-physics
hilbert-space
quantum-mechanics
Can momentum have a complex expectation value?
August 1st, 2022
dirac-delta-distributions
heisenberg-uncertainty-principle
operators
mathematical-physics
quantum-mechanics
Divergence of a field and its interpretation
August 1st, 2022
maxwell-equations
dirac-delta-distributions
gauss-law
electrostatics
What is the square root of the Dirac Delta Function?
August 1st, 2022
dirac-delta-distributions
3D Delta Potential Well
August 1st, 2022
quantum-mechanics
dirac-delta-distributions
potential
schroedinger-equation
mathematical-physics
Dirac delta potential and bound/scattered states
August 1st, 2022
dirac-delta-distributions
quantum-mechanics
potential
schroedinger-equation
eigenvalue
Green function solutions in electrostatics
August 1st, 2022
dirac-delta-distributions
greens-functions
homework-and-exercises
electrostatics
Finding the Fourier Transform of a Plane Wave
August 1st, 2022
dirac-delta-distributions
quantum-mechanics
homework-and-exercises
State normalization in Dirac's formulation of quantum mechanics
November 14th, 2020
quantum-mechanics
dirac-delta-distributions
operators
mathematical-physics
Units of a dirac delta function in quantum mechanics
August 1st, 2022
normalization
dimensional-analysis
hilbert-space
quantum-mechanics
dirac-delta-distributions
The delta function as an eigenfunction of the position operator explanation
March 3rd, 2020
observables
wavefunction
operators
quantum-mechanics
dirac-delta-distributions
Normalization of Momentum Eigenfunctions: the number of particles
August 1st, 2022
normalization
dirac-delta-distributions
fourier-transform
wavefunction
quantum-mechanics
Charge density as Dirac delta function
August 1st, 2022
greens-functions
electrostatics
homework-and-exercises
dirac-delta-distributions
Surface density charge, divergence of the electric field and gauss law
August 1st, 2022
charge
gauss-law
dirac-delta-distributions
electrostatics
electric-fields
Book to study Dirac delta function from a physics point of view
August 1st, 2022
resource-recommendations
mathematics
dirac-delta-distributions
mathematical-physics
Why is the wave function inside a delta potential non-zero?
August 7th, 2020
quantum-mechanics
schroedinger-equation
dirac-delta-distributions
wavefunction
Dirac delta function and volume charge density
January 29th, 2020
charge
gauss-law
density
dirac-delta-distributions
electrostatics
Normalized wave functions in position and momentum space
July 14th, 2020
fourier-transform
dirac-delta-distributions
homework-and-exercises
normalization
wavefunction
What is the expectation value of the 3D delta function for the Hydrogen atom ground state?
February 22nd, 2020
dirac-delta-distributions
quantum-mechanics
Definitions of position operator in QM
August 1st, 2022
quantum-mechanics
operators
hilbert-space
observables
dirac-delta-distributions
Can $E=\frac{q}{4\pi\epsilon_0 r^2}$ be directly derived from differential form of Maxwell equations?
August 1st, 2022
coulombs-law
gauss-law
electric-fields
electrostatics
dirac-delta-distributions
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