Author

T. Guha

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Preprint Sep 2026

Higher-order quantum thermodynamics: equilibrium and causal structure

Quantum thermodynamics is traditionally formulated as a theory of equilibrium states and state transformations. Recent advances in higher-order quantum transformations, which describe physical scenarios beyond states and channels and provide a systematic framework for causal order, raise the question of how equilibrium...

S. Milz, Kyrylo Simonov, Z. Zimborás et al. · 0 citations

Preprint Jul 2026

On the Origin of Beyond-Classical Advantage in the Parity-Permutation Problem

We investigate the task of identifying the parity (odd vs even) of an unknown permutation applied to $n$ particles. Classically, using fewer than $n$ distinct labels per particle limits the success probability to random guessing, whereas quantum mechanics, exploiting entanglement in both preparation and measurement, ac...

Jayashree Karmakar, Biswadeep Chatterjee, Rafiuddin Gazi et al. · 0 citations