Using 1986 PEP collider Bhabha scattering data, the authors set a 95% confidence upper bound of ε < 0.042 on a Gaussian angular smearing parameter modeling Born-rule violations.
Pilot-wave theory and the search for new physics
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abstract
We show how pilot-wave theory points to new physics, beyond quantum mechanics, in three distinct ways. First, generalised cosmological initial conditions, departing from the Born rule, can lead to observable anomalies in the cosmic microwave background and in relic cosmological particles. Second, a breakdown of the Born rule in the deep quantum-gravity regime, with gravitational corrections that render the Born rule semiclassically unstable, can create anomalies in Hawking radiation from evaporating black holes. Third, a regularised equation of motion that remains finite at nodes of the wave function generates corrections to the Born rule at short distances, while a natural time-dependent generalisation implies an instability of quantum equilibrium at short times, effects which may be observable in high-energy collisions.
years
2026 2representative citing papers
In torsion-extended quantum cosmology the universe wave function is a superposition of Hamiltonian eigenfunctions with cosmic time as the conjugate variable to curvature eigenvalues, interpreted via de Broglie-Bohm to permit weak measurements without collapse.
citing papers explorer
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First constraint on Born-rule violations at high-energy colliders
Using 1986 PEP collider Bhabha scattering data, the authors set a 95% confidence upper bound of ε < 0.042 on a Gaussian angular smearing parameter modeling Born-rule violations.
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On measuring the Quantum Universe
In torsion-extended quantum cosmology the universe wave function is a superposition of Hamiltonian eigenfunctions with cosmic time as the conjugate variable to curvature eigenvalues, interpreted via de Broglie-Bohm to permit weak measurements without collapse.