Comment on "On Visibility in the Afshar Two-Slit Experiment"
Tabish Qureshi (Department of Physics, Jamia Millia Islamia, New, Delhi.)
TL;DR
This paper critiques Kastner's thought experiment, arguing it does not demonstrate interference or which-slit information, and therefore does not apply to the Afshar experiment, clarifying ongoing debates about quantum visibility.
Contribution
It clarifies that Kastner's thought experiment does not show interference, challenging claims about visibility in the Afshar experiment.
Findings
Kastner's thought experiment does not demonstrate interference.
The experiment is not applicable to the Afshar experiment.
The debate on visibility in the Afshar experiment remains unresolved.
Abstract
Recently Kastner has analyzed the issue of visibility in a modified two-slit experiment carried out by Afshar et al, which has been a subject of much debate. Kastner describes a thought experiment which is claimed to show interference with hundred percent visibility and also an "apparent" which-slit information. We argue that this thought experiment does not show interference at all, and is thus not applicable to the Afshar experiment.
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Taxonomy
TopicsPhilosophy and History of Science