arithmetic spiral

English

Etymology

It is a spiral whose equation in polar coordinates is linear, which would thus, when quantized, yield an arithmetic progression.

Noun

arithmetic spiral (plural arithmetic spirals)

1. (mathematics) A spiral that increases in distance from the point of origin at a constant rate.

   The Parker spiral is the shape of the Sun's magnetic field as it extends through the solar system. Unlike the familiar shape of the field from a bar magnet, the Sun's extended field is twisted into an arithmetic spiral by the magnetohydrodynamic influence of the solar wind.

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Synonyms

• Archimedean spiral
• spiral of Archimedes

Translations

Archimedean spiral — see Archimedean spiral