Domain Wall

A domain wall is a type of topological soliton that occurs whenever a discrete symmetry is spontaneously broken. It can take on different meanings depending on the context:

  • Domain wall (magnetism), an interface separating magnetic domains
  • Domain wall (optics), for domain walls in optics
  • Domain wall (string theory), a theoretical 2-dimensional singularity

Famous quotes containing the words domain and/or wall:

    “You are the harvest and not the reaper
    And of your domain another is the keeper.”
    —John Ashbery (b. 1927)

    “Last night you wrote on the wall: Revolution is poetry.
    Today you needn’t write; the wall has tumbled down.”
    —Adrienne Rich (b. 1929)