{"knowledge_schema": {"broad_category": "Physics \u2192 Electromagnetism \u2192 Field Theory", "refinement": "This problem pertains to the theoretical implications of magnetic monopoles on the electromagnetic field's energy density.", "specific_scope": "The focus is on how the existence of magnetic monopoles alters the mathematical description of energy density in electromagnetic fields.", "goal": "Identify how the energy density of the electromagnetic field is modified by the presence of magnetic monopoles."}, "summary": "In the context of electromagnetism, the introduction of magnetic monopoles would necessitate a modification of the energy density of the electromagnetic field. Specifically, the energy density would include a term for magnetic charge density, reflecting the contributions of magnetic monopoles to the overall energy of the field. This highlights the need to expand our understanding of electromagnetic theory to accommodate new types of charges."}