Generalized Wentzell boundary conditions and quantum field theory
classification
🧮 math-ph
gr-qchep-thmath.APmath.MP
keywords
fieldboundaryconditionsdiscussgeneralizedwentzellbulkcauchy
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We discuss a free scalar field subject to generalized Wentzell boundary conditions. On the classical level, we prove well-posedness of the Cauchy problem and in particular causality. Upon quantization, we obtain a field that may naturally be restricted to the boundary. We discuss the holographic relation between this boundary field and the bulk field.
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