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Norwegian physicists theorize on dividing a photon

Physicists in Norway have developed a new theoretical model addressing the division of a photon, an event not possible under normal circumstances. The study was published on arXiv.

22 July 2026
Norwegian physicists theorize on dividing a photon

Physicists in Norway have proposed a new theoretical framework to explain the consequences of attempting to divide a photon, a phenomenon not feasible under standard conditions. The research appears on the arXiv preprint server.

A photon, the fundamental particle of light, cannot be divided in typical scenarios. However, the theoretical implications of a photon interacting with a mirror as the mirror is suddenly removed have been explored. This thought experiment delves into the quantum nature of light.

The study posits that a photon is not a discrete particle with a fixed location but rather an extended object. This characteristic is key to understanding its behavior in dynamic quantum situations.

This theoretical work offers new insights into quantum mechanics and the nature of light. Further exploration of photon behavior could have implications for future research in quantum physics.

Original source: arstechnica.com