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cond-mat.mes-hall2025
On modeling quantum point contacts in quantum Hall systems
Prasoon Kumar, Kyrylo Snizhko
Quantum point contacts (QPC) are a key instrument in investigating the physics of edge excitations in the quantum Hall effect. However, at not-so-high bias voltage values, the pred…
quant-ph2025
General theory of slow non-Hermitian evolution
Parveen Kumar, Yuval Gefen, Kyrylo Snizhko
Non-Hermitian systems are widespread in both classical and quantum physics. The dynamics of such systems has recently become a focal point of research, showcasing surprising behavi…