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quant-ph2026
Pure State Transformations under Block Coherence
Dipayan Chakraborty, Priyabrata Char, Indrani Chattopadhyay +1
Block coherence provides a natural generalization of standard quantum coherence by treating superpositions across different subspaces as a resource. This work studies deterministic…
quant-ph2026
Catalytic Enhancement of Coherence in Noisy Quantum Channels and Characterization of Strictly Incoherent Operations
Priyabrata Char, Dipayan Chakraborty, Indrani Chattopadhyay +1
In realistic quantum information processing tasks, quantum states are inevitably affected by environmental noise, leading to decoherence and degradation of useful quantum resources…