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.

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scale factor
scale height
scale horizontally
scale insect
scale model
scale out
scale scar
scale symmetry
scale up
scale vertically
scale wax
scale-of-ten circuit
scale-of-two circuit
scale-up
scaleboard

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