Time evolution of nodes in quantum superposition states
Abstract
The nodes are traditionally viewed as fixed points where the probability density vanishes. However, this work demonstrates that these nodes exhibit time-dependent oscillation in quantum superposition states. We derive this effect for a fundamental system: the 1D particle in a box. It is shown that the probability density in a superposition of two eigenstates evolves with a time-dependent interference term, introducing an oscillation of the nodes at a specific frequency equal to the energy difference between the states. This result suggests a deeper dynamical role for nodes in quantum systems.
Cite
@article{arxiv.2502.00496,
title = {Time evolution of nodes in quantum superposition states},
author = {Tarek Yehia},
journal= {arXiv preprint arXiv:2502.00496},
year = {2025}
}
Comments
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