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AbstractStarting from the construction of the free quantum scalar field of mass $$m\ge 0$$ m ≥ 0 , we give mathematically precise and rigorous versions of three different approaches to computing the Casimir forces between compact obstacles. We then prove that they are equivalent.
Mathematics - Spectral Theory, Mathematics - Analysis of PDEs, 81T55, 58J50, FOS: Mathematics, FOS: Physical sciences, Mathematical Physics (math-ph), Spectral Theory (math.SP), Mathematical Physics, Analysis of PDEs (math.AP)
Mathematics - Spectral Theory, Mathematics - Analysis of PDEs, 81T55, 58J50, FOS: Mathematics, FOS: Physical sciences, Mathematical Physics (math-ph), Spectral Theory (math.SP), Mathematical Physics, Analysis of PDEs (math.AP)
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