Quantum 2025 – scientific programme
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FRI: Friday Contributed Sessions
FRI 4: Foundational / Mathematical Aspects – Alternative Views
FRI 4.1: Talk
Friday, September 12, 2025, 10:45–11:00, ZHG004
Three Steps Turn Euclidean Relativity Into a Pillar of Physics — •Markolf H. Niemz — Heidelberg University, Germany
In special relativity (SR), there is coordinate time t and proper time τ. Two facts deserve reflection: (1) Clocks measure τ, but the construct t is more common in the equations of physics than natural τ. (2) Cosmology is aware of the Hubble parameter Hθ, but the parameter τ is preferred to θ=1/Hθ in both SR and general relativity (GR). We show: Euclidean relativity (ER) describes nature exclusively in natural concepts. Three steps make ER work: (1) The new time coordinate is τ. (2) The new parameter is θ. (3) An observer’s reality is a projection from 4D Euclidean space (ES). Because of the different concepts, ER neither conflicts with nor requires SR/GR! All energy moves through ES at the speed c. Absolute ES is experienced as a relative Euclidean spacetime: Each object experiences its 4D motion as its proper time and the other three axes as its proper space. Both the Lorentz factor and gravitational time dilation are recovered in ER. Thus, ER predicts the same relativistic effects as SR/GR. In ER, τ is the length of a 4D Euclidean vector “flow of proper time” τ. Gravity makes its comeback as a force. Any acceleration rotates an object’s τ and curves its worldline in ES. τ is crucial for objects that are very far away or entangled. Information hidden in θ and in τ is not available in SR/GR. ER solves the wave–particle duality and explains entanglement without postulating non-locality. Entangled objects have never been spatially separated in their view, but their proper time flows in opposite 4D directions. https://www.preprints.org/manuscript/202207.0399
Keywords: quantum mechanics; wave–particle duality; non-locality; entanglement; spacetime