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This theoretical study demonstrates that finite-thickness magnetic tubes can induce measurable vacuum energy dependent on curvature coupling parameters even within flat space-time. By employing general Robin boundary conditions rather than standard Dirichlet or Neumann constraints, the research highlights how subtle topological defects influence quantum field polarization without requiring intrinsic spacetime curvature. The findings extend Casimir effect principles by quantifying specific geometric dependencies in vacuum energy generation through magnetic flux confinement.

Source coveringQuantum Zeitgeist

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Quantum Finite-Thickness Magnetic Tubes Induce Measurable Vacuum Energy

Quantum ZeitgeistJuly 31, 20264 min read

Modeling magnetic topological defects as finite-thickness tubes, our study reveals vacuum energy is affected by curvature ξ, even in flat space-time.

Researchers at Taras Shevchenko National University of Kyiv and collaborating institutions including the National Academy of Sciences of Ukraine and Igor Sikorsky Kyiv Polytechnic Institute have demonstrated that a finite-thickness magnetic tube affects the vacuum polarization of a charged massive scalar field. The work models the magnetic defect as an impenetrable tube containing magnetic flux, then analyzes its effect on vacuum energy. Crucially, the total vacuum energy produced depends on…

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