Zitterbewegung is not an observable

TL;DR

The paper argues that Zitterbewegung, despite recent claims, is not an observable phenomenon and challenges the interpretation of experimental observations suggesting otherwise.

Contribution

It clarifies the conceptual status of Zitterbewegung and refutes recent claims of its observation, emphasizing its non-observability.

Findings

Zitterbewegung is not an observable phenomenon.

Recent experimental claims of observing Zitterbewegung are reinterpreted as non-observations.

Abstract

It has recently been claimed that Zitterbewegung has been observed. However, we argue that it is not an observable and that the authors' observations must be reinterpreted.