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Entangling Power Dynamics: Ergodicity and Mixing
Rahul V, Ranjan Modak, Shaon Sahoo +1
We study quantum dynamics through the lens of entanglement generation and characterize the underlying unitary evolution by the distinct signatures it imprints on the time-dependent…
Quantum-to-semiclassical Husimi dynamics of non-Hermitian localization transitions
Pallabi Chatterjee, Bhabani Prasad Mandal, Ranjan Modak
The localization transition in the Hermitian Aubry-André model is known to have a clear classical origin, with the critical point being exactly predictable from an analysis of cla…
Emergence of Hermitian topology from non-Hermitian knots
Gaurav Hajong, Ranjan Modak, Bhabani Prasad Mandal
The non-Hermiticity of the system gives rise to a distinct knot topology in the complex eigenvalue spectrum, which has no counterpart in Hermitian systems. In contrast, the singula…
Dependence of Krylov complexity on the initial operator and state
Sreeram PG, J. Bharathi Kannan, Ranjan Modak +1
Krylov complexity, a quantum complexity measure which uniquely characterizes the spread of a quantum state or an operator, has recently been studied in the context of quantum chaos…