Search Results - "Ghosh, Sibasish"

Measurement Based Quantum Heat Engine with Coupled Working Medium by Das, Arpan, Ghosh, Sibasish

“…We consider measurement based single temperature quantum heat engine without feedback control, introduced recently by Yi, Talkner and Kim [Phys. Rev. E 96,…”
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Quantum homogenization in non-Markovian collisional model by Saha, Tanmay, Das, Arpan, Ghosh, Sibasish

“…Abstract Collisional models are a category of microscopic framework designed to study open quantum systems. The framework involves a system sequentially…”
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LOCC distinguishability of unilaterally transformable quantum states by Bandyopadhyay, Somshubhro, Ghosh, Sibasish, Kar, Guruprasad

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Implications of Coupling in Quantum Thermodynamic Machines by Thomas, George, Banik, Manik, Ghosh, Sibasish

“…We study coupled quantum systems as the working media of thermodynamic machines. Under a suitable phase-space transformation, the coupled systems can be…”
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Non-Markovianity of qubit evolution under the action of spin environment by Chakraborty, Sagnik, Mallick, Arindam, Mandal, Dipanjan, Goyal, Sandeep K., Ghosh, Sibasish

“…The question, whether an open system dynamics is Markovian or non-Markovian can be answered by studying the direction of the information flow in the dynamics…”
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Role of Measurement Incompatibility and Uncertainty in Determining Nonlocality by Kar, Guruprasad, Ghosh, Sibasish, Choudhary, Sujit, Banik, Manik

“…It has been recently shown that measurement incompatibility and fine grained uncertainty—a particular form of preparation uncertainty relation—are deeply…”
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Degree of complementarity determines the nonlocality in quantum mechanics by Banik, Manik, Gazi, Md. Rajjak, Ghosh, Sibasish, Kar, Guruprasad

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Bloch sphere analog of qudits using Heisenberg-Weyl Operators by Sharma, Gautam, Ghosh, Sibasish, Sazim, Sk

“…Abstract We study an analogous Bloch sphere representation of higher-level quantum systems using the Heisenberg-Weyl operator basis. We introduce a…”
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Improvement in quantum communication using quantum switch by Mitra, Arindam, Badhani, Himanshu, Ghosh, Sibasish

“…Abstract Applications of the quantum switch on quantum channels have recently become a topic of intense discussion. In the present work, we show that some…”
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Extraction of product and higher moment weak values: Applications in quantum state reconstruction and entanglement detection by Sahil, Sohail, Modak, Subhrajit, Ghosh, Sibasish, Pati, Arun Kumar

“…Weak values of product observables or higher moments of an observable are informationally significant because of their ability to solve some paradoxes, realise…”
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Role of Bell-CHSH violation and local filtering in quantum key distribution by Singh, Jaskaran, Ghosh, Sibasish, Arvind, Goyal, Sandeep K.

“…•Bell-CHSH violation does not necessarily imply security of quantum key distribution.•Quantum states having the same Bell-CHSH violation may offer differing…”
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Emergent entropy of exotic oscillators and squeezing in three-wave mixing process by Pal, Sayan Kumar, Nandi, Partha, Ghosh, Sibasish, Scholtz, Frederik G., Chakraborty, Biswajit

“…•The paper gives a thorough analysis of appearance of entanglement entropy in deformed (noncommutative) quantum systems.•Using a correspondence with Landau…”
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Preface: Quantum optical science and technology by Bayat, Abolfazl, Bondani, Maria, Genoni, Marco G., Ghosh, Sibasish, Olivares, Stefano, Paris, Matteo G.A.

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Cloning and superluminal signaling by Ghosh, Sibasish

“…It is shown that the no-signaling constraint generates the symmetric as well as the asymmetric 1 → 2 optimal universal quantum cloning machine of single qubits…”
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On thermalization of two-level quantum systems by Prathik Cherian, J, Chakraborty, Sagnik, Ghosh, Sibasish

“…Providing the microscopic behavior of a thermalization process has always been an intriguing issue. There are several models of thermalization, which often…”
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Author Correction: Non-Markovianity of qubit evolution under the action of spin environment by Chakraborty, Sagnik, Mallick, Arindam, Mandal, Dipanjan, Goyal, Sandeep K., Ghosh, Sibasish

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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The Laplacian of a Graph as a Density Matrix: A Basic Combinatorial Approach to Separability of Mixed States by Braunstein, Samuel L., Ghosh, Sibasish, Severini, Simone

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Qudit-Teleportation for photons with linear optics by Goyal, Sandeep K., Boukama-Dzoussi, Patricia E., Ghosh, Sibasish, Roux, Filippus S., Konrad, Thomas

“…Quantum Teleportation, the transfer of the state of one quantum system to another without direct interaction between both systems, is an important way to…”
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Minimal state-dependent proof of measurement contextuality for a qubit by Kunjwal, Ravi, Ghosh, Sibasish

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Defining subsystems in Hilbert spaces with non-Euclidean metric by Badhani, Himanshu, Ghosh, Sibasish

“…This work outlines a consistent method of identifying subsystems in finite-dimensional Hilbert spaces, independent of the underlying inner-product structure…”
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