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Testing Born’s rule via photoionization of helium

Robert Förderer, Peter ; Buchleitner, Andreas ; Busto, David LU orcid and Dittel, Christoph LU (2025) In New Journal of Physics 27(12).
Abstract

State-of-the-art attosecond photoionization experiments are identified as a new platform to test Born’s rule—a postulate of quantum mechanics. A simulation of the so-called Sorkin test under typical experimental conditions infers an achievable measurement precision in the range of the best Sorkin tests to date, demonstrating new opportunities for high-precision tests of Born’s rule via nonlinear matter-wave interferometry. The potential of attosecond photoionization for further fundamental tests of quantum mechanics is discussed.

Please use this url to cite or link to this publication:
author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
attosecond photoionization, electron interference, Sorkin test
in
New Journal of Physics
volume
27
issue
12
article number
122001
publisher
IOP Publishing
external identifiers
  • scopus:105033341130
ISSN
1367-2630
DOI
10.1088/1367-2630/ae21fd
language
English
LU publication?
yes
id
56d39013-6915-46d0-be4d-e6dc3bd89aa4
date added to LUP
2026-04-20 15:15:43
date last changed
2026-04-20 15:16:25
@article{56d39013-6915-46d0-be4d-e6dc3bd89aa4,
  abstract     = {{<p>State-of-the-art attosecond photoionization experiments are identified as a new platform to test Born’s rule—a postulate of quantum mechanics. A simulation of the so-called Sorkin test under typical experimental conditions infers an achievable measurement precision in the range of the best Sorkin tests to date, demonstrating new opportunities for high-precision tests of Born’s rule via nonlinear matter-wave interferometry. The potential of attosecond photoionization for further fundamental tests of quantum mechanics is discussed.</p>}},
  author       = {{Robert Förderer, Peter and Buchleitner, Andreas and Busto, David and Dittel, Christoph}},
  issn         = {{1367-2630}},
  keywords     = {{attosecond photoionization; electron interference; Sorkin test}},
  language     = {{eng}},
  number       = {{12}},
  publisher    = {{IOP Publishing}},
  series       = {{New Journal of Physics}},
  title        = {{Testing Born’s rule via photoionization of helium}},
  url          = {{http://dx.doi.org/10.1088/1367-2630/ae21fd}},
  doi          = {{10.1088/1367-2630/ae21fd}},
  volume       = {{27}},
  year         = {{2025}},
}