MIT Physicists Argue Classical Physics Can Explain Quantum Phenomena

Physicists from the Massachusetts Institute of Technology argue that classical physics can explain phenomena traditionally attributed to quantum mechanics ^[1].

This challenge to a fundamental pillar of modern science suggests that the complex mathematical framework of quantum theory may be redundant. If classical descriptions suffice, it could fundamentally alter how scientists approach the study of subatomic particles and energy.

The researchers published their findings in the Proceedings A of the Royal Society in Volume 482, Issue 2336 ^[2]. The paper, released April 13, 2025 ^[1], contends that quantum formalism adds unnecessary complexity to the description of observed phenomena ^[1].

According to the authors, the phenomena typically used to justify the need for quantum physics can be understood using classical physics ^[1]. By removing the need for quantum theory in these instances, the researchers aim to simplify the theoretical landscape of physics. This approach seeks to replace the probabilistic nature of quantum mechanics with a more direct classical interpretation.

The study suggests that the current reliance on quantum theory as an absolute necessity is a misconception ^[1]. The authors said that a classical description is sufficient for the observations in question, a move that would strip away the need for many of the counterintuitive rules associated with quantum mechanics.

While the paper presents a theoretical alternative, the broader scientific community continues to rely on quantum mechanics for the development of semiconductors and lasers. The MIT researchers focus on the theoretical redundancy of the formalism rather than the practical application of existing quantum technology ^[1].