A note on Algebraic approach to Casimir force between two $delta$-like potentials (K. Ziemian, Ann. Henri Poincare, Online First, 2021)


Abstract in English

We comment on the recent work [1], and on its relations with our papers [2,3] cited therein. In particular we show that, contrarily to what stated in [1], the Casimir energy density determined therein in the case of a single delta-like singularity coincides with the energy density obtained previously in our paper [2] using a different approach.

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