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scale symmetry |
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scale symmetry [′skāl ‚sim·ə·trē]
(physics) The property of certain physical systems whereby their equations of motion in classical mechanics are unchanged when the space and time variables are rescaled; for example, for a point particle moving in a plane in a potential given by a delta function at the origin, when the vector giving the particle's positionris replaced bysrand the timetis replaced bys2t, wheresis any number. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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