Articles in category physics:

A Life Before And After the Dirac Delta Function

W hen I was a young physics student at university, one of my professors told us that there is a dividing line in his life. One that separates his life …

Dec. 25, 2022

All You Need to Know about Spherical Harmonics

And how to use and visualize them in Python

Spherical harmonics are a powerful tool used in mathematics and physics to describe a wide range of phenomena. They can be used to model physical phenomena such as sound waves, …


Gradient Descent For The Schrödinger Equation With Python

Today I’ll discuss a numerical method that is widely applicable to problems in quantum mechanics and quantum chemistry, although it is rarely found in textbooks. Suppose we want to solve …

Nov. 27, 2022

The Laplace Equation Solved Analytically With Python

Today’s Problem

Using only Python, solve the 2D Laplace equation

on a semi-infinite rectangular domain

with the boundary conditions

and

as well as

Solution with Python

The solution uses the …

Nov. 6, 2022

The Hydrogen Atom Solved With Python

Diogoleite asked me recently, after reading my article “ Two Lines of Python to Solve The Schrödinger Equation ”, how one could use the so-called shooting method to solve the …

Oct. 30, 2022