Author

S. Gangadharaiah

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Preprint Sep 2026

Engineered Dissipation for Thermal-State Tracking Across Quantum Criticality

Engineering dissipation has emerged as a powerful strategy for controlling quantum many-body dynamics, complementing purely coherent control for state preparation. However, finite-time driving across a quantum critical point generates nonadiabatic excitations and coherences, and existing dissipation-engineering approac...

S. Mistry, Dibyajyoti Sahu, S. Gangadharaiah · 0 citations

Preprint Aug 2026

Localization and Transport in a Non-Hermitian Hexagonal Harper Model

We investigate a one-dimensional non-Hermitian hexagonal Harper model with quasiperiodically modulated hopping amplitudes. In the Hermitian limit, the model exhibits metallic, insulating, and multifractal phases characterized by distinct eigenstate properties. Upon introducing non- Hermiticity, the phase diagram is qua...

Akshey Rajoriya, Dibyajyoti Sahu, S. Gangadharaiah et al. · 0 citations