Drafts by Thigazholi Muruganandan
Quantum Information Splitting (QIS) is of high significance when a sender has to cooperate with m... more Quantum Information Splitting (QIS) is of high significance when a sender has to cooperate with more than one recipient for quantum teleportation, consequently reducing the risks of threats from external interference. Achieving QIS with different entangled channels is an interesting quantum informational task. Here, we describe a method to split quantum information using a highly entangled five-qubit state named Brown et al. state. We propose new quantum circuits, design and simulate them using the IBM quantum experience platform. We perform the experiments on different quantum processors to obtain good fidelity. The results from different processors are compared and verified with the theoretical proposed scheme.
Papers by Thigazholi Muruganandan
Quantum Information Splitting (QIS) is of high significance when a sender has to cooperate with m... more Quantum Information Splitting (QIS) is of high significance when a sender has to cooperate with more than one recipient for quantum teleportation, consequently reducing the risks of threats from external interference. Achieving QIS with different entangled channels is an interesting quantum informational task. Here, we describe a method to split quantum information using a highly entangled five-qubit state named Brown et al. state. We propose new quantum circuits, design and simulate them using the IBM quantum experience platform. We perform the experiments on different quantum processors to obtain good fidelity. The results from different processors are compared and verified with the theoretical proposed scheme.
We study the bipartite composition of elementary toy systems with state spaces described by regul... more We study the bipartite composition of elementary toy systems with state spaces described by regular polygons. We provide a systematic method to characterize the entangled states in the maximal tensor product composition of such systems. Applying this method, we show that while a bipartite pentagon system allows two and exactly two different classes of entangled states, in the hexagon case, there are exactly six different classes of entangled states. We then prove a generic no-go result that the maximally entangled state for any bipartite odd gon system does not depict Hardy's nonlocality behaviour. However, such a state for even gons exhibits Hardy's nonlocality, and in that case, the optimal success probability decreases with the increasing number of extreme states in the elementary systems. Optimal Hardy's success probability for the non-maximally entangled states is also studied that establishes the presence of beyond quantum correlation in those systems, although the resulting correlation lies in the almost quantum set. Furthermore, it has been shown that mixed states of these systems, unlike the two-qubit case, can depict Hardy's nonlocality behaviour which arises due to a particular topological feature of these systems not present in the two-qubit system.
Quantum Information Processing
Quantum teleportation is a secure way to transfer an unknown message using a known channel implem... more Quantum teleportation is a secure way to transfer an unknown message using a known channel implementing a simple and efficient protocol. Here, we achieve three-qubit and four-qubit quantum teleportation using a highly entangled Brown et al. state. We simulate the same using IBM quantum experience platform. Furthermore, we extend this concept to generalize N-qubit teleportation which comprises of two cases, N being odd and even. The results are verified after designing the quantum circuits and simulating on the quantum simulator.
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Drafts by Thigazholi Muruganandan
Papers by Thigazholi Muruganandan