Test of the linearity of quantum mechanics by rf spectroscopy of theBe+<mml:mprescripts/>9ground state

1989/09/04 by J. J. Bollinger, D. J. Heinzen, Wayne M. Itano +2 · 1 voice · 2 citations
Physics and Astronomy · #Atomic and Molecular Physics #Atomic and Subatomic Physics Research #Cold Atom Physics and Bose-Einstein Condensates

paper · doi:10.1103/physrevlett.63.1031

openalex publication_date 1989/09/04 · openalex created_date 2016/06/24 · openalex updated_date 2026/06/26

Abstract

A hyperfine transition in the ground state of ⁹Be⁺ was used to test a nonlinear generalization of quantum mechanics recently formulated by Weinberg. We searched for a dependence of the frequency of a coherent superposition of two hyperfine states on the populations of the states. We are able to set a limit of 4\ifmmode×\else\texttimes\fi10^\mathrm\ensuremath-27 on the fraction of binding energy per nucleon of the ⁹Be⁺ nucleus that could be due to nonlinear corrections to quantum mechanics.

Citations

• Testing quantum mechanics

Cited by

• Novel formulation of Hamilton-Jacobi equation for higher derivative theory and quantum mechanical correspondence
• Spontaneous decoherence as a result of randomness in the flow of time

Discussions

• This question asks where a specific operator class sits in the established literature on experimental constraints on nonlinear quantum mechanics. It is a reference request, not a request to review new [stackexchange, 1 points]

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