Tunneling between pronounced minima of a polynomial potential (simulating coupled quantum dots) can cause an abrupt quantum-catastrophic relocalization of density ∣ψ(x,y,…)∣. Non-numerical illustration is constructed, in 2D, using a non-separable sextic-oscillator model.
@article{arxiv.2005.06934,
title = {Relocalization switch in a triple quantum dot molecule in 2D},
author = {Miloslav Znojil},
journal= {arXiv preprint arXiv:2005.06934},
year = {2025}
}