9 citations · 45 across the 20 of their papers we have counts for
4 papers · 1 filter
Quantum hypothesis testing of non-mixed-unitarity: A multifaceted hierarchy of quantum channel discrimination
Pratik Ghosal, Pritam Halder, Ayan Patra +2
Given multiple uses of an unknown quantum channel, we determine whether it is a specified non-mixed-unitary channel or belongs to the set of mixed-unitary channels. Formulating thi…
Private communication from Pauli channels with no privacy
Uthirakalyani G, Pritam Halder, David Elkouss
A channel capacity quantifies the communication capability of a noisy physical process. In contrast to communication channels in the classical world, quantum theory makes this capa…
Quantum time-flip beats adaptive metrology: Asymptotic benefit, activation, and unsimulability
Gaurang Agrawal, Pritam Halder, Aditi Sen De
In quantum metrology, adaptive and causal-superposition strategies are proven to be beneficial over parallel schemes for a finite number of channel uses, but their advantages disap…
Entanglement-enhanced fluctuation-free daemonic ergotropy with random measurements
Saptarshi Roy, Pritam Halder, Tamal Guha +1
Optimized daemonic ergotropy can make entanglement thermodynamically dispensable in measurement-assisted work extraction: for a fixed system marginal, quantum-classical states can…