Delta Function

Quantum Mechanics · Part 3

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Table of Contents

  1. 1.The Potential
  2. 2.Boundary Condition at Delta Function
  3. 3.Scattering States ()
  4. 4.Transmission and Reflection Coefficients
  5. 5.Double Delta Function
  6. 6.Delta Function Barrier
  7. 7.Physical Significance

Key Equations

$$V(x) = -\alpha\delta(x), \quad \alpha > 0$$
$$\psi(x) = \frac{\sqrt{m\alpha}}{\hbar}e^{-m\alpha|x|/\hbar^2}$$
$$\psi_L(x) = Ae^{ikx} + Be^{-ikx}$$
$$R = \frac{1}{1 + (2\hbar^2 E/m\alpha^2)}$$

Equations are rendered with MathJax in the PDF with professional LaTeX typesetting.

Course Context

This PDF is part of the Quantum Mechanics course on CoursesHub.World. Master quantum mechanics from mathematical foundations to advanced topics. Covers Hilbert spaces, wave functions, angular momentum, perturbation theory, scattering, and path integrals with 450+ pages ...

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