Comment on: "The Casimir force on a piston in the spacetime with extra compactified dimensions" [Phys. Lett. B 668 (2008) 72]

TL;DR

This paper clarifies that Cheng's conclusions about the attractive Casimir force between parallel plates are broadly applicable beyond his specific model, impacting understanding of hidden dimensions' effects.

Contribution

It emphasizes the general validity of Cheng's findings on Casimir forces, extending their relevance to other models involving extra compactified dimensions.

Findings

Cheng's conclusions are valid beyond his specific model.

Attractive Casimir forces are likely influenced by hidden dimensions.

The results have broader implications for theories with extra dimensions.

Abstract

We offer a clarification of the significance of the indicated paper of H. Cheng. Cheng's conclusions about the attractive nature of Casimir forces between parallel plates are valid beyond the particular model in which he derived them; they are likely to be relevant to other recent literature on the effects of hidden dimensions on Casimir forces.