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Quantum Field Theoretic Treatment of the Casimir Effect. Finiteness of the Casimir Force Up to the Second Order of Perturbation Theory

机译:量子场理论处理卡西米尔效应。 Casimir力达到二阶微扰理论的有限性

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Here the formal expression for the Casimir force up to order e exp 2 derived in a foregoing paper is investigated. At first it is shown that the usual perturbation theoretical UV-diergences and the corresponding Z-factors cancel so that there is no renormalization in this approximation. Moreover it turns out that the distance (a) dependent parts of suitable vacuum energy expressions are finite, so that the Casimir force as a directly measurable quantity is also finite. Finally the Casimir force in the physical limit a approaches infinity is determined. (Atomindex citation 15:042353)

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