Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics A quantity that behaves like a scalar, but changes sign under a parity inversion

Etymologies

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Examples

  • He was best known for his eponymous effect, which, among other things, describes the production of neutral pseudoscalar mesons by the interaction of a photon with a virtual photon in the Coulomb field of a heavy nucleus.

    Peebles and Primakoff Mark 2009

  • The axion is a “pseudoscalar” (changes sign under parity), and couples to electromagnetism in a particular way, so that photons can convert into axions in a strong magnetic field.

    Particle physics marches on Sean 2006

  • A chiral background pseudoscalar field diverges Big Bang evolution of matter and antimatter.

    The Reference Frame 2010

  • Parity-odd spacetime would manifest as a background pseudoscalar field.

    The Reference Frame 2010

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