domain wall

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  • Hyphenation: do‧main‧wall


domain wall (plural domain walls)

  1. (physics) An interface separating magnetic domains.
    • 1998, Eugene M. Chudnovsky and Javier Tejada, Macroscopic Quantum Tunneling of the Magnetic Moment [1], ↑ISBN, page 67:
      A domain wall corresponds to the rotation of the magnetization vector from one magnetic domain to another.
  2. (astrophysics) A two-dimensional singularity hypothesized in string theory.
    • 2006, M. Eto et al., "Solitons in Supersymmetric Gauge Theories" in Particles, Strings and Cosmology [2], ↑ISBN, page 266:
      The simplest soliton is the domain wall with co-dimension one, and the next simplest is the vortex with co-dimension two, whereas the co-dimension three (four) soliton is called monopole (instanton).