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:

    “When it had long since outgrown his purely medical implications and become a world movement which penetrated into every field of science and every domain of the intellect: literature, the history of art, religion and prehistory; mythology, folklore, pedagogy, and what not.”
    —Thomas Mann (1875–1955)

    “It is hard going to the door
    cut so small in the wall where
    the vision which echoes loneliness
    brings a scent of wild flowers in the wood.”
    —Robert Creeley (b. 1926)