Modelling of weak quantum measurements consistent with conservation laws

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2021
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Sołtan, Stanisław
Frączak, Mateusz
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The European Physical Journal Special Topics. Springer. 2021, 230(4), pp. 915-921. ISSN 1951-6355. eISSN 1951-6401. Available under: doi: 10.1140/epjs/s11734-021-00092-2
Zusammenfassung

We discuss quantum mechanical detection models in the weak limit in the context of conservation laws of physical quantities. In particular, we analyze what kind of system–detector interaction can preserve the global conservation or the related symmetry, and how the final measurement on the detector affects the measured observable of the systems and its presumed conservation. It turns out that the order of noncommuting measurements results in observable differences on the level of third-order correlations functions.

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ISO 690SOŁTAN, Stanisław, Mateusz FRĄCZAK, Wolfgang BELZIG, Adam BEDNORZ, 2021. Modelling of weak quantum measurements consistent with conservation laws. In: The European Physical Journal Special Topics. Springer. 2021, 230(4), pp. 915-921. ISSN 1951-6355. eISSN 1951-6401. Available under: doi: 10.1140/epjs/s11734-021-00092-2
BibTex
@article{Sotan2021-06-01Model-53919,
  year={2021},
  doi={10.1140/epjs/s11734-021-00092-2},
  title={Modelling of weak quantum measurements consistent with conservation laws},
  number={4},
  volume={230},
  issn={1951-6355},
  journal={The European Physical Journal Special Topics},
  pages={915--921},
  author={Sołtan, Stanisław and Frączak, Mateusz and Belzig, Wolfgang and Bednorz, Adam}
}
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