14 citations · 60 across the 9 of their papers we have counts for
9 papers
Relating CP divisibility of dynamical maps with compatibility of channels
Arindam Mitra, Debashis Saha, Samyadeb Bhattacharya +1
The role of CP-indivisibility and incompatibility as valuable resources for various information-theoretic tasks is widely acknowledged. This study delves into the intricate relatio…
Characterizing and quantifying the incompatibility of quantum instruments
Arindam Mitra, Máté Farkas
Incompatibility of quantum devices is one of the cornerstones of quantum theory, and the incompatibility of quantum measurements and channels has been linked to quantum advantage i…
Quantifying unsharpness of observables in an outcome-independent way
Arindam Mitra
Recently, a very beautiful measure of the unsharpness (fuzziness) of the observables is discussed in the paper [Phys. Rev. A 104, 052227 (2021)]. The measure which is defined in th…
On the compatibility of quantum instruments
Arindam Mitra, Máté Farkas
Incompatibility of quantum devices is a useful resource in various quantum information theoretical tasks, and it is at the heart of some fundamental features of quantum theory. Whi…
Improvement in quantum communication using quantum switch
Arindam Mitra, Himanshu Badhani, Sibasish Ghosh
Applications of the quantum switch on quantum channels have recently become a topic of intense discussion. In the present work, we show that some useless (for communication) channe…
Information leak and incompatibility of physical context: A modified approach
Arindam Mitra, Gautam Sharma, Sibasish Ghosh
A beautiful idea about the incompatibility of Physical Context(IPC) was introduced in Phys. Rev. A 102, 050201(R) (2020). Here, a context is defined as a set of a quantum state and…
Layers of classicality in the compatibility of measurements
Arindam Mitra
The term "Layers of classicality" in the context of quantum measurements, was introduced in [T. Heinosaari, Phys. Rev. A 93, 042118 (2016)]. The strongest layer among these consist…
Characterizing incompatibility of quantum measurements via their Naimark extensions
Arindam Mitra, Sibasish Ghosh, Prabha Mandayam
We obtain a formal characterization of the compatibility or otherwise of a set of positive-operator-valued measures (POVMs) via their Naimark extensions. We show that a set of POVM…
On optimal cloning and incompatibility
Arindam Mitra, Prabha Mandayam
We investigate the role of symmetric quantum cloning machines (QCMs) in quantifying the mutual incompatibility of quantum observables. Specifically, we identify a cloning-based inc…