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Colloquia Archive
Untitled Document
| DATE: |
Friday, September 14, 2007 |
| TITLE: |
CLASSICAL AND QUANTUM NONLINEAR LOCALIZED EXCITATIONS IN DISCRETE SYSTEMS |
| TIME: |
3:30 PM |
| LOCATION: |
GMCS 214 |
| SPEAKER: |
Faustino Palmero Acebedo
Nonlinear Physics Group of the University of Sevilla (Spain) |
| ABSTRACT: |
Discrete breathers, or intrinsic localized modes, are spatially localized, time--periodic, nonlinear excitations that can exist and propagate in systems of coupled dynamical units. Recently, some experiments show the sighting of a form of discrete breather that exist at the atomic scale in a magnetic solid. Other observations of breathers refer to systems such as Josephson--junction arrays, photonic crystals and optical-switching waveguide arrays. All these observations underscore their importance in physical phenomena at all scales. We will review some theoretical contributions in the field of classical and quantum breathers, with possible applications to these widely different physical systems and to many other such as DNA, proteins, quantum dots, quantum computing, etc. |
| HOST: |
Ricardo Carretero |
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Computational Science Research Center :: 5500 Campanile Drive :: San Diego, CA 92182-1245 :: (619) 594-3430
©2007 Computational Science Research Center, SDSU - All rights
reserved.
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Last
updated:
February 21, 2008 8:38 AM
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