Testing Gravity-Driven Collapse of the Wave Function via Cosmogenic Neutrinos

Joy Christian
Phys. Rev. Lett. 95, 160403 – Published 12 October 2005

Abstract

It is pointed out that the Diósi-Penrose ansatz for gravity-induced quantum state reduction can be tested by observing oscillations in the flavor ratios of neutrinos originating at cosmological distances. Since such a test would be almost free of environmental decoherence, testing the ansatz by means of a next generation neutrino detector such as IceCube would be much cleaner than by experiments proposed so far involving superpositions of macroscopic systems. The proposed microscopic test would also examine the universality of the superposition principle at unprecedented cosmological scales.

  • Received 1 March 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.160403

©2005 American Physical Society

Authors & Affiliations

Joy Christian

  • Perimeter Institute, 31 Caroline Street North, Waterloo, Ontario N2L 2Y5, Canada, and Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom

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Issue

Vol. 95, Iss. 16 — 14 October 2005

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