Photonic zitterbewegung and its interpretation
Zhi-Yong Wang, Cai-Dong Xiong, Qi Qiu
TL;DR
This paper investigates photon zitterbewegung using quantum field theory, revealing it occurs with virtual photons and can be induced by gravitational interactions near flat spacetime.
Contribution
It provides a novel quantum field-theoretic analysis of photon zitterbewegung and links it to virtual photons and gravitational effects.
Findings
Photon ZB occurs only with virtual longitudinal and scalar photons.
Gravitational interaction near Minkowski space can induce photon ZB.
The study offers a new interpretation of photon ZB in quantum field theory.
Abstract
In term of the volume-integrated Poynting vector, we present a quantum field-theory investigation on the zitterbewegung (ZB) of photons, and show that this ZB occurs only in the presence of virtual longitudinal and scalar photons. To present a heuristic explanation for such ZB, by assuming that the space time is sufficiently close to the flat Minkowski space, we show that the gravitational interaction can result in the ZB of photons.
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