Casimir Torque for a Perfectly Conducting Wedge: A Canonical Quantum Field Theoretical Approach

TL;DR

This paper calculates the Casimir torque on a perfectly conducting wedge caused by quantum vacuum fluctuations using a canonical quantum field theoretical approach with Green functions.

Contribution

It introduces a canonical quantum field theoretical method to compute Casimir torque on a wedge, advancing the theoretical framework for quantum vacuum effects.

Findings

Derived explicit expression for Casimir torque density

Validated the approach with known limits

Provides a foundation for experimental exploration

Abstract

The torque density per unit height exerted on a perfectly conducting wedge due to the quantum vacuum fluctuations (the Casimir torque) is obtained. A canonical quantum field theoretical approach with the method of calculating vacuum-to-vacuum propagator (Green function) [1] is used.