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cond-mat.mes-hall2026
Quantum statistics in an extended collider coupled to a qubit
Rishav Chaudhuri, Sai Satyam Samal
Mesoscopic colliders provide an effective platform for probing the mutual statistics of quantum particles. Recent experiments have successfully extracted the mutual statistics of f…
quant-ph2026
Krylov complexity and fidelity susceptibility in two-band Hamiltonians
Rishav Chaudhuri, Ayush Raj, Soham Ray +1
We investigate Krylov spread complexity for the ground state of two-band Hamiltonians, where the reference state is a generic state on the Bloch sphere. The spread complexity is ob…
cond-mat.mes-hall2026
Symmetry and Topology in a Non-Hermitian Kitaev chain
Ayush Raj, Soham Ray, Sai Satyam Samal
We investigate the non-Hermitian Kitaev chain with non-reciprocal hopping amplitudes and asymmetric superconducting pairing. We work out the symmetry structure of the model and sho…