nLab bulk




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In physics on manifolds with boundary or with domain walls, branes, defects, etc. that piece of worldvolume/spacetime away from all these singularies (the remaining interior) is often called the bulk of worldvolume/spacetime. Accordingly, the sector of field theory applying to the bulk is sometimes called the bulk field theory, in contrast to the boundary field theory.

singularityfield theory with singularities
boundary condition/braneboundary field theory
domain wall/bi-braneQFT with defects

Last revised on March 24, 2019 at 14:10:57. See the history of this page for a list of all contributions to it.