Search Results for author: Sibasish Ghosh

Found 2 papers, 0 papers with code

Information leak and incompatibility of physical context: A modified approach

no code implementations15 Feb 2021 Arindam Mitra, Gautam Sharma, Sibasish Ghosh

The three primary limitations are that, (i) their approach is not positive operator-valued measurements and (ii), they restrict information-theoretic agents Alice, Eve and Bob to specific quantum operations and do not consider most general quantum operations i. e., quantum instruments and (iii), their measure of IPC can take negative values in specific cases in a more general scenario which implies the limitation of their information measure.

Quantum Physics Mathematical Physics Mathematical Physics

Protecting quantum correlations in presence of generalised amplitude damping channel: the two-qubit case

no code implementations8 Mar 2019 Suchetana Goswami, Sibasish Ghosh, A. S. Majumdar

Any kind of quantum resource useful in different information processing tasks is vulnerable to several types of environmental noise.

Quantum Physics

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