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5 papers · 2 filters
Strength of the nonlocality of two-qubit entangled state and its applications
Anuma Garg, Satyabrata Adhikari
Non-locality is a feature of quantum mechanics that cannot be explained by local realistic theory. It can be detected by the violation of Bell's inequality. In this work, we have c…
Structured Negativity: A physically realizable measure of entanglement based on structural physical approximation
Anu Kumari, Satyabrata Adhikari
Quantification of entanglement is one of the most important problem in quantum information theory. In this work, we will study this problem by defining a physically realizable meas…
Search for an efficient entanglement witness operator for bound entangled states in bipartite quantum systems
Shruti Aggarwal, Satyabrata Adhikari
Entanglement detection problem is one of the important problem in quantum information theory. Gurvit showed that this problem is NP complete and thus this may be the possible reaso…
Structural physical approximation of partial transposition makes possible to distinguish SLOCC inequivalent classes of three-qubit system
Anu Kumari, Satyabrata Adhikari
Detection and classification of entanglement properties of a multi-qubit system is a topic of great interest. This topic has been studied extensively and thus we found different ap…
Detection of Dimensional Bipartite Entangled State: A Graph Theoretical Approach
Rohit Kumar, Satyabrata Adhikari
Braunstein et. al. have started the study of entanglement properties of the quantum states through graph theoretical approach. Their idea was to start from a simple unweighted grap…