40 citations · 220 across the 33 of their papers we have counts for
33 papers
Nonlocal effects via Local Quantum Fisher Information: Characterizations and Interpretations
R. Muthuganesan
We introduce a quantum Fisher information based measurement-induced nonlocality (QFI-MIN), which quantifies the maximal statistical distinguishability induced by locally invariant…
Quantum Correlation Hierarchy and Teleportation in Dephased Hydrogen Hyperfine System
Geerthana Thiyagarajan, R. Muthuganesan
We study the dynamics of quantum correlations in the hydrogen hyperfine spin system subject to Markovian phase noise. Treating the electron and proton spin degrees of freedom as an…
Hybrid Qubit-Qutrit Quantum Battery: Nonclassicality and Energy Performance
G. Sharvan Prakash, R. Muthuganesan
We propose and analyze a hybrid qubit-qutrit quantum battery (QB) based on a mixed spin-1/2 and spin-1 system interacting via an anisotropic Heisenberg exchange coupling in the pre…
Quantum correlation and coherence in a mononuclear nickel-based molecular Magnet
S. Bhuvaneswari, R. Muthuganesan, R. Radha
We investigate the behaviors of thermal entanglement, quantum correlation beyond entanglement namely, measurement-induced nonlocality (MIN) and coherence in a nickel radical molecu…
Hierarchy of quantum correlations in qubit-qutrit axially symmetric states
Venkat Abhignan, R. Muthuganesan
We investigate quantum correlations in a hybrid qubit-qutrit system subject to both axial and planar single-ion anisotropies, dipolar spin-spin interactions, and Dzyaloshinskii-Mor…
Thermal quantum correlations and Teleportation in a Graphene Sheet
S. Bhuvaneswari, R. Muthuganesan, R. Radha
The characterization of quantum resources in dynamical systems is one of the most important problems to be addressed in quantum information theory. In this article, we investigate…
Weak measurement as a tool for studying coherence and quantum correlations in bipartite systems
Indrajith V. S, R. Muthuganesan, R. Sankaranarayanan
In this article, we study quantum coherence of bipartite state from the perspective of weak measurement, which generalizes the notion of coherence relative to measurement. The is b…
Effects of intrinsic decoherence on discord-like correlation measures of two-qubit spin squeezing model
Venkat Abhignan, R. Muthuganesan
Quantum decoherence happens when the system interacts with the environment. Quantum correlation behaviours in the two-qubit spin squeezing model are studied under the influence of…
Quantum correlations in a mixed spin-(1/2,1) Heisenberg dimer
S. Bhuvaneswari, R. Radha, R. Muthuganesan
In this article, we consider the heterodinuclear complex [Ni(dpt)(H2O)Cu(pba)].2H2O [pba =1,3-propylenebis(oxamato) and dpt = bis-(3-aminopropyl)amine] realized through the theoret…
Quantum Correlations and Coherence in a Moving Unruh-deWitt Detector
S. Bhuvaneswari, R. Muthuganesan, R. Radha
In this paper, we investigate the quantum correlations and coherence of two accelerating Unruh-deWitt detectors coupled to a scalar field in 3 + 1 Minkowski space-time. We show tha…
Characterizing nonbilocal correlation: A geometric perspective
R. Muthuganesan, S. Balakrishnan, V. K. Chandrasekar
Exploiting the notion of measurement-induced nonlocality [Phys.Rev. Lett. 106, 120401 (2011)], we introduce a new measure to quantify the nonbilocal correlation. We establish a sim…
Characterizing nonclassical correlations of tensorizing states in a bilocal scenario
S. Bhuvaneswari, R. Muthuganesan, R. Radha
In the present paper, we attempt to address the question of "can tensorizing states have quantum advantages?". To answer this question, we exploit the notion of measurement-induced…
Thermal quantum correlations and teleportation under PT-symmetric system
J. Ramya Parkavi, R. Muthuganesan, V. K. Chandrasekar +1
In this article, we exploit the different notions of quantumness measure to understand the properties of the Heisenberg XY model with and without PT-symmetric operation. In the abs…
Facets of nonlocal correlation under non-Hermitian system
J. Ramya Parkavi, R. Muthuganesan, V. K. Chandrasekar
In this article, we investigate the dynamics of a bipartite system under the action of a local non-Hermitian system. We study the quantum correlation of the bipartite system quanti…
Weak Measurement effects on dynamics of quantum correlations in a Two-atom System in Thermal Reservoirs
N. Ananth, R. Muthuganesan, V. K. Chandrasekar
The dynamical behavior of quantum correlations captured by different forms Measurement-Induced Nonlocality (MIN) between two atoms coupled with thermal reservoirs is investigated a…
Characterizing quantum ensemble using geometric measure of quantum coherence
R. Muthuganesan, V. K. Chandrasekar
The characterization of the quantum ensemble is a fundamental issue in quantum information theory and foundations. The ensemble is also useful for various quantum information proce…
Fidelity based purity and coherence for quantum states
Indrajith V S, R. Muthuganesan, R. Sankaranarayanan
Purity and coherence of a quantum state are recognized as useful resources for various information processing tasks. In this article, we propose a fidelity based valid measure of p…
Spotlighting quantum phase transition in spin-1/2 Ising-Heisenberg diamond chain employing Measurement-Induced Nonlocality
S. Bhuvaneswari, R. Muthuganesan, R. Radha
We examine thermal quantum correlations characterized by Measurement-Induced Nonlocality (MIN) in an infinite spin-1/2 Ising-Heisenberg spin chain with Dzyaloshinskii-Moriya (DM) i…
Asymmetry-induced nonclassical correlation
R. Muthuganesan, V. K. Chandrasekar
In quantum resource theory (QRT), asymmetry recognized as a valid resource for the advantage of various quantum information processing. In this paper, we establish the resource the…
Quantum Fisher information and skew information correlations in dipolar spin system
R. Muthuganesan, V. K. Chandrasekar
Quantum Fisher information (QFI) and skew information (SI) plays a key role in the quantum resource theory. Understanding these measures in the physical system has practical signif…
Measurement Induced Nonlocality Quantified by Hellinger Distance and weak measurements
Indrajith V S, R. Muthuganesan, R. Sankaranarayanan
In this article, we propose measurement-induced nonlocality (MIN) quantified by Hellinger distance using von Neumann projective measurement. The proposed MIN is a bonafide measure…
Intrinsic decoherence effects on measurement-induced nonlocality
R. Muthuganesan, V. K. Chandrasekar
By considering an exactly solvable model of a two interacting spin-1/2 qubits described by the Heisenberg anisotropic interaction in the presence of intrinsic decoherence, we study…
Robustness of Measurement-Induced Correlations Under Decoherence Effect
S. Bhuvaneswari, R. Muthuganesan, R. Radha
In this article, we study the dynamics of quantum correlation measures such as entanglement and measurement-induced nonlocality (MIN). Starting from an arbitrary Bell diagonal mixe…
Quantum coherence and correlation measures based on affinity
R. Muthuganesan, V. K. Chandrasekar, R. Sankaranarayanan
Coherence and correlation are key features of the quantum system. Quantifying these quantities are astounding task in the framework of resource theory of quantum information proces…