# 4.0: Introduction

- Page ID
- 11125

### Overview of key concepts and equations for the particle in a box

| V = 0 inside box (0 < x < L) V = ∞ outside box |

| \(\hat {H} = -\frac {\hbar ^2}{2m} \frac {d^2}{dx^2}\) |

| \({(\frac {2}{L})}^{1/2} \sin (\frac {n\pi}{L}x)\) |

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| \(E = n^2 (\frac {h^2}{8mL^2})\) |

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### Contributors

- Adapted from "Quantum States of Atoms and Molecules" by David M. Hanson, Erica Harvey, Robert Sweeney, Theresa Julia Zielinski