Leggett-Garg tests of macrorealism: checks for non-invasiveness and generalizations to higher-order correlators
J. J. Halliwell · 2019 · arXiv
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
The finding, in one line
“Ideal negative measurements, in which a null result is argued to be a non-invasive determination of the system's state, are often used.”
Abstract (excerpt)
In the tests for macrorealism proposed by Leggett and Garg, the temporal correlation functions of a dichotomic variable Q must be measured in a non-invasive way to rule out alternative classical explanations of Leggett-Garg inequality violations. Ideal negative measurements, in which a null result is argued to be a non-invasive determination of the system's state, are often used. From a quantum-mechanical perspective, such a measurement collapses the wave function and will therefore typically be found to be invasive under any experimental check. Here, a simple modified ideal negative measureme
Excerpt shown for reference under fair use — read the full paper at the publisher.
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Metadata source: arXiv