Main Page | See live article | Alphabetical index Disambiguation link: Michael Berry is also the name of a writer. Sir Michael V. Berry, mathematical physicist at the University of Bristol. Famous among other things for the Berry phase (also called geometric phase), a phenomenon observed e.g. in quantum mechanics and optics. Specializes in semiclassical physics (asymptotic physics, quantum chaos), applied to wave phenomena in quantum mechanics and other areas such as optics. See also Berry phase. External links Article on special functions Berry's Homepage This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.