HeisenbergUncertaintyPrinciple 2008-10-16 13:37:46 2008-10-16 13:38:13 Law quantum uncertainty identity operator Heisenberg uncertainty principle quantum theory % this is the default PlanetPhysics preamble. as your knowledge % of TeX increases, you will probably want to edit this, but % it should be fine as is for beginners. % almost certainly you want these \usepackage{amssymb} \usepackage{amsmath} \usepackage{amsfonts} % used for TeXing text within eps files %\usepackage{psfrag} % need this for including graphics (\includegraphics) %\usepackage{graphicx} % for neatly defining theorems and propositions %\usepackage{amsthm} % making logically defined graphics %\usepackage{xypic} % there are many more packages, add them here as you need them % define commands here \section{Heisenberg Uncertainty Principle in Quantum theories:} If X and P are, respectively, the coordinate and conjugate momentum quantum operators then they satisfy the Heisenberg non-commutation/ 'uncertainty' relation, or the\emph{Heisenberg Uncertainty Principle}: $$[X,P] \geq i\hbar I,$$ where the identity operator $I$ is employed to simplify notation.