Quantum Eraser for Three-Slit Interference
Naveed Ahmad Shah, Tabish Qureshi (Centre for Theoretical Physics,, JMI, Delhi)
TL;DR
This paper theoretically generalizes the quantum eraser concept from two-slit to three-slit interference, demonstrating the emergence of three distinct interference patterns through quantum erasing.
Contribution
It introduces a theoretical framework for a three-slit quantum eraser, expanding the understanding of quantum interference and information erasure.
Findings
Three interference patterns can be generated via quantum erasing.
The generalization from two-slit to three-slit interference is theoretically feasible.
Quantum erasing restores interference in a three-slit setup.
Abstract
It is well known that in a two-slit interference experiment, if the information, on which of the two paths the particle followed, is stored in a quantum path detector, the interference is destroyed. However, in a setup where this path information is "erased", the interference can reappear. Such a setup is known as a quantum eraser. A generalization of quantum eraser to a three-slit interference is theoretically analyzed. It is shown that three complementary interference patterns can arise out of the quantum erasing process.
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