Physical explanation of entanglement

What is entanglement? Entanglement is a known physical phenomenon whereby particles affect each other despite being a macroscopic  distance apart, and despite no apparent connection between them. The effect is typically seen in the spin, which is an orientation property of particles, whereby an action of changing the spin of one particle results in the spin of the other also changing. Macroscopic entanglement requires special situations – it requires deliberate preparation and setting up of the experiment. It is  a coherent behaviour, and the effect is lost when dis-coherence sets in, which occurs when the particles are disturbed by outside forces and fields. Consequently it is not generally observed in macroscopic phenomenon at our level of existence, and for the same reasons neither is superposition (a particle is simultaneously in two geometric locations).

How does it operate? This is unknown. The experimental evidence is that it does exist, but the mechanism is not known. Classical Newtonian mechanics implies the effect should not exist. General relativity makes no provision for it. Quantum mechanics (QM) accepts it as real, and can express the outcomes mathematically, but does not describe how entanglement operates at the physical level.

Does new physics offer new explanations for entanglement? Yes. This is where the Cordus theory of fundamental physics offers a candidate solutions In the paper ‘A physical basis for entanglement in a non-local hidden variable theory’ (2017) ( we show that superposition and entanglement may be qualitatively explained if particles were to have the internal structure proposed by the Cordus  theory.

This is a non-local hidden-variable (NLHV) theory, hence naturally supports non-local behaviour. Locality is the expectation that a point object is only affected by the values of fields and external environmental variables at that point, not by remote values. Entanglement is a type of non-local behaviour – the particles evidently behave as if affected by effects happening some distance away from the point the defines the particles.

As a type of hidden-variable theory, the theory proposes -and this is important- that fundamental particles have internal structure. This is a major departure from QM and its assumption that particles are zero-dimensional points without sub-structure.

Figure: Qualitative explanation of two-photon entanglement. The photons are predicted to originate from a Pauli pair of electrons – these electrons are bonded in a transphasic interaction and hence their emitted photons also have that interaction. Consequently the four reactive ends of the two photons are linked by fibrils, even as they move further apart. As a result the behaviours of the photons are coupled: hence entanglement.

The explanation from the Cordus theory is that there is no single point that defines the position of the particule. Its reactive ends between them occupy a volume of space, and its discrete fields extend out to occupy a volume of space external to the reactive ends.

The Cordus theory explains that locality fails because the particule is affected by what happens at both reactive ends, and by the externally-originating discrete forces it receives at both locations. A principle of Wider Locality is proposed, whereby the particule is affected by the values of external discrete forces (hence also conventional fields) in the vicinity of both its reactive ends.

The ability to explain entanglement conceptually in terms of physical realism is relevant because it rebuts the claim that it is impossible that such a hidden-variable theory could exist. This is significant because previously it has been believed that only QM could explain this phenomena.


Pons, D. J., Pons, A. D., & Pons, A. J. (2017). A physical basis for entanglement in a non-local hidden variable theory Journal of Modern Physics, 8(8), 1257-1274 doi:   or  or



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