Scalar field | Wikipedia audio article
Channel: wikipedia tts
Date: 25/12/2018

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Scalar_field


00:00:43 1 Definition
00:02:02 2 Uses in physics
00:02:42 2.1 Examples in quantum theory and relativity
00:04:39 3 Other kinds of fields
00:05:34 4 See also



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SUMMARY
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In mathematics and physics, a scalar field associates a scalar value to every point in a space – possibly physical space. The scalar may either be a (dimensionless) mathematical number or a physical quantity. In a physical context, scalar fields are required to be independent of the choice of reference frame, meaning that any two observers using the same units will agree on the value of the scalar field at the same absolute point in space (or spacetime) regardless of their respective points of origin.  Examples used in physics include the temperature distribution throughout space, the pressure distribution in a fluid, and spin-zero quantum fields, such as the Higgs field.  These fields are the subject of scalar field theory.