132 citations · 3k across the 144 of their papers we have counts for
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Quantum cryptography over non-Markovian channels
Kishore Thapliyal, Anirban Pathak, Subhashish Banerjee
A set of schemes for secure quantum communication are analyzed under the influence of non-Markovian channels. By comparing with the corresponding Markovian cases, it is seen that t…
Characterization of Unruh Channel in the context of Open Quantum Systems
Subhashish Banerjee, Ashutosh Kumar Alok, S. Omkar +1
We show through the Choi matrix approach that the effect of Unruh acceleration on a qubit is similar to the interaction of the qubit with a vacuum bath, despite the finiteness of t…
A comparative study of protocols for secure quantum communication under noisy environment: single-qubit-based protocols versus entangled-state-based protocols
Vishal Sharma, Kishore Thapliyal, Anirban Pathak +1
The effect of noise on various protocols of secure quantum communication has been studied. Specifically, we have investigated the effect of amplitude damping, phase damping, squeez…
Bipartite separability and non-local quantum operations on graphs
Supriyo Dutta, Bibhas Adhikari, Subhashish Banerjee +1
In this paper we consider the separability problem for bipartite quantum states arising from graphs. Earlier it was proved that the degree criterion is the graph-theoretic counterp…
Evolution of coherence and non-classicality under global environmental interaction
Samyadeb Bhattacharya, Subhashish Banerjee, Arun Kumar Pati
A master equation has been constructed for a global system-bath interaction both in the absence as well as presence of non-Markovian noise. For the memoryless case, it has been exa…