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quant-ph2026
Pinning of a High-Energy Wavepacket by a Single Impurity
Fartash Chalangari, Anant Vijay Varma, Joonas Keski-Rahkonen +1
We demonstrate that a single repulsive impurity enhances directional confinement of a high-energy wavepacket in a finite two-dimensional lattice of quantum wells. At energies far a…
cond-mat.mes-hall2026
Universality and Dynamical Inequivalence in Isospectral Non-Hermitian Anderson Transitions
Aziz Hasan, Anant Vijay Varma, Namit Anand +1
The Hatano Nelson paradigm establishes that extensive bulk nonreciprocity can destabilize Anderson localization via an imaginary gauge flux. Here, we demonstrate that extensive non…