Probability Normal Distribution of Complex Numbers
We consider the probability density function of the normal distribution when the random variable is a complex number. We also briefly touch upon Brownian motion of complex numbers.
White Noise
Probability 
Physics Harmonic Oscillator and Schrödinger Equation
This article explains what kind of probability distribution the Schrödinger equation for the harmonic oscillator expresses, and presents an interpretation of the solution.
Paper A Quantum Mechanical Financial Time Series Model
An introduction to the author's paper "A Quantum Mechanical Financial Time Series Model".