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:

    “No domain of nature is quite closed to man at all times.”
    —Henry David Thoreau (1817–1862)

    “When a wall is collapsing, everybody gives it a push.”
    —Chinese proverb.