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arXiv · 2504.02554

Measure-independent description of wave-particle duality via coherence

Zhaofang Bai·ShuanpingDu
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Abstract

Wave-particle duality as one of the expression of Bohr complementarity is a significant concept in the field of quantum mechanics. Quantitative analysis of wave-particle duality aims to establish a complementary relation between the particle and wave properties. Beyond the conventional quantitative analysis depending on special choice of quantum information measures, we are aimed to provide a measure-independent complementary relation via coherence. By employing maximally coherent states in the set of all states with fixed diagonal elements, a measure-independent complementary relation is proposed. Based on this, we give a measure-independent description of wave-particle-mixedness triality in d-path interferometers. Our complementary relations reveal the relationship between wave-particle duality and quantum coherence, and also give a justification to coherence as it truly brings out the wave nature of quantum systems at its heart.

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Zhaofang Bai, ShuanpingDu. 2025-04-03. Measure-independent description of wave-particle duality via coherence. https://doi.org/10.1088/1402-4896%2Fadd4af

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