Search Results - "Chakrabarty, Indranil"

Absolute fully entangled fraction from spectrum by Patro, Tapaswini, Mukherjee, Kaushiki, Siddiqui, Mohd Asad, Chakrabarty, Indranil, Ganguly, Nirman

“…Fully entangled fraction (FEF) is a significant figure of merit for density matrices. In bipartite d ⊗ d quantum systems, the threshold value FEF > 1 / d ,…”
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Broadcasting of NPT entanglement in two qutrit systems by Mundra, Rounak, Chattopadhyay, Sabuj, Chakrabarty, Indranil, Ganguly, Nirman

“…It is known that beyond 2 ⊗ 2 and 2 ⊗ 3 dimensional quantum systems, Peres–Hordecki criterion is no longer sufficient as an entanglement detection criterion as…”
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A-unital Operations and Quantum Conditional Entropy by Vempati, Mahathi, Shah, Saumya, Ganguly, Nirman, Chakrabarty, Indranil

“…Negative quantum conditional entropy states are key ingredients for information theoretic tasks such as superdense coding, state merging and one-way…”
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Broadcasting of entanglement via orthogonal and non-orthogonal state-dependent cloners by Shukla, Manish Kumar, Chakrabarty, Indranil, Chatterjee, Sourav

“…In this work, we extensively study the problem of broadcasting of entanglement as state-dependent versus state-independent cloners. We start by…”
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Correlations in Quantum Network Topologies Created with Cloning by Shukla, Manish Kumar, Huang, Minyi, Chakrabarty, Indranil, Wu, Junde

“…With progress in quantum technologies, the field of quantum networks has emerged as an important area of research. In the last few years, there has been…”
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SHANNON ENTROPY: AXIOMATIC CHARACTERIZATION AND APPLICATION by Chakrabarti, C. G., Chakrabarty, Indranil

“…We have presented a new axiomatic derivation of Shannon entropy for a discrete probability distribution on the basis of the postulates of additivity and…”
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A study of teleportation and super dense coding capacity in remote entanglement distribution by Sazim, Sk, Chakrabarty, Indranil

“…In this work we consider a quantum network consisting of nodes and entangled states connecting them. In every node there is a single player. The players at the…”
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Sequential quantum secret sharing in a noisy environment aided with weak measurements by Ray, Maharshi, Chatterjee, Sourav, Chakrabarty, Indranil

“…In this work we give a ( n,n )-threshold protocol for sequential secret sharing of quantum information for the first time. By sequential secret sharing we…”
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Broadcasting of non-locality by Patel, Dhrumil, Roy, Arup, Chakrabarty, Indranil, Ganguly, Nirman

“…Bell non-locality and steering are archetypal characteristics of quantum mechanics that mark a significant departure from conventional classical notions. They…”
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Dynamic Grover search: applications in recommendation systems and optimization problems by Chakrabarty, Indranil, Khan, Shahzor, Singh, Vanshdeep

“…In the recent years, we have seen that Grover search algorithm (Proceedings, 28th annual ACM symposium on the theory of computing, pp. 212–219, 1996 ) by using…”
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Complementarity of quantum correlations in cloning and deleting of quantum states by Sazim, Sk, Chakrabarty, Indranil, Datta, Annwesha, Pati, Arun K.

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Brief report Robustness of coherence for multipartite quantum states by Mukhopadhyay, Chiranjib, Sharma, Udit Kamal, Chakrabarty, Indranil

“…In this brief report, we prove that the robustness of coherence (ROC), in contrast with many popular quantitative measures of quantum coherence derived from…”
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Quantum no-go theorems in causality respecting systems in the presence of closed timelike curves: Tweaking the Deutsch condition by Kumar, Asutosh, Chakrabarty, Indranil, Pati, Arun Kumar, Sen(De), Aditi, Sen, Ujjwal

“…We consider causality respecting (CR) quantum systems interacting with closed timelike curves (CTCs), within the Deutsch model. We introduce the concepts of…”
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Absolute non-violation of a three-setting steering inequality by two-qubit states by Bhattacharya, Some Sankar, Mukherjee, Amit, Roy, Arup, Paul, Biswajit, Mukherjee, Kaushiki, Chakrabarty, Indranil, Jebaratnam, C., Ganguly, Nirman

“…Steerability is a characteristic non-local trait of quantum states lying in between entanglement and Bell non-locality. A given quantum state is considered to…”
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Controlled State Reconstruction and Quantum Secret Sharing by Singh, Pahulpreet, Chakrabarty, Indranil

“…Phys. Rev. A 109, 032406 (2024) In this article, we present a benchmark for resource characterization in the process of controlled quantum state reconstruction…”
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Generating and detecting bound entanglement in two-qutrits using a family of indecomposable positive maps by Bhattacharya, Bihalan, Goswami, Suchetana, Mundra, Rounak, Ganguly, Nirman, Chakrabarty, Indranil, Bhattacharya, Samyadeb, Majumdar, A S

“…The problem of bound entanglement detection is a challenging aspect of quantum information theory for higher dimensional systems. Here, we propose an…”
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Quantum conditional entropies and fully entangled fraction of states with maximally mixed marginals by Kumar, Komal, Chakrabarty, Indranil, Ganguly, Nirman

“…The fully entangled fraction (FEF) measures the proximity of a quantum state to maximally entangled states. FEF $>\frac{1}{d}$, in $d \otimes d$ systems is a…”
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Deletion, Bell’s inequality, teleportation by Chakrabarty, Indranil, Ganguly, Nirman, Choudhury, Binayak S.

“…In this letter we analyze the efficacy of the entangled output of Pati-Braunstein (arxiv:quant-ph/0007121v1, 2000) deletion machine as a teleportation channel…”
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Maximal Secret Reconstruction, Teleportation and Bell's Inequality by Abrol, Pratishtha, Singh, Pahulpreet, Chakrabarty, Indranil

“…A tripartite state is said to be a potential resource for secret sharing if the state imposes restrictions on the teleportation fidelity of the bipartite…”
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Persistency of non-n-local correlations in noisy linear networks by Mukherjee, Kaushiki, Chakrabarty, Indranil, Mylavarapu, Ganesh

“…Phys. Rev. A 107, 032404 Published 3 March 2023 Linear n-local networks are compatible with quantum repeaters based entanglement distribution protocols…”
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