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- W4327625849 abstract "The Aharonov-Bohm effect is a fundamental topological phenomenon with a wide range of applications. It consists of a charge encircling a region with a magnetic flux in a superposition of wave packets having their relative phase affected by the flux. In this work we analyze this effect using an entropic measure known as realism, originally introduced as a quantifier of a system's degree of reality and mathematically related to notions of global and local quantum coherence. More precisely, we look for observables that lead to gauge-invariant realism associated with the charge before it completes its loop. We find that the realism of these operators has a sudden change when the line connecting the center of both wave packets crosses the solenoid. Moreover, we consider the case of a quantized magnetic-field source, pointing out similarities and differences between the two cases. Finally, we discuss some consequences of these results." @default.
- W4327625849 created "2023-03-17" @default.
- W4327625849 creator A5011602764 @default.
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- W4327625849 creator A5068890847 @default.
- W4327625849 creator A5069101102 @default.
- W4327625849 date "2023-03-16" @default.
- W4327625849 modified "2023-10-17" @default.
- W4327625849 title "Coherence and realism in the Aharonov-Bohm effect" @default.
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- W4327625849 doi "https://doi.org/10.1103/physreva.107.032213" @default.
- W4327625849 hasPublicationYear "2023" @default.
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