Paper

Probing the entropic uncertainty bound and quantum correlations in a quantum dot system

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Published 12 April 2021 © 2021 Astro Ltd
, , Citation Soroush Haseli et al 2021 Laser Phys. 31 055203 DOI 10.1088/1555-6611/abe236

1555-6611/31/5/055203

Abstract

The uncertainty principle is one of the most comprehensive and fundamental concepts in quantum theory and it states that it is not possible to simultaneously measure two incompatible observables with high accuracy. In particular, we show that the entropic uncertainty relation that uses quantum memory is one of the most useful entropic uncertainty relations. In this work, we consider a quantum dot system as a solid-state system which is in the thermal regime, and we then probe the quantum correlations and the quantum-memory-assisted entropic uncertainty bound in this type of system. Interestingly, our results show that there are some system parameters that can be adjusted to suppress the entropic uncertainty bound and improve quantum correlations.

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