Search Results - "Radhakrishnan, Chandrashekar"

Covariance matrix entanglement criterion for an arbitrary set of operators by Tripathi, Vinay, Radhakrishnan, Chandrashekar, Byrnes, Tim

“…A criterion for entanglement detection based on covariance matrices for an arbitrary set of observables is formulated. The method generalizes the covariance…”
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Time dynamics of quantum coherence and monogamy in a non-Markovian environment by Radhakrishnan, Chandrashekar, Chen, Po-Wen, Jambulingam, Segar, Byrnes, Tim, Ali, Md. Manirul

“…The time evolution of the distribution and shareability of quantum coherence of a tripartite system in a non-Markovian environment is examined. The total…”
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Experimental study of quantum coherence decomposition and trade-off relations in a tripartite system by Ding, Zhe, Liu, Ran, Radhakrishnan, Chandrashekar, Ma, Wenchao, Peng, Xinhua, Wang, Ya, Byrnes, Tim, Shi, Fazhan, Du, Jiangfeng

“…Quantum coherence is the most fundamental of all quantum quantifiers, underlying other well-known quantities such as entanglement. It can be distributed in a…”
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Characterizing coherence with quantum observables by Mandal, Suman, Narozniak, Marek, Radhakrishnan, Chandrashekar, Jiao, Zhi-Qiang, Jin, Xian-Min, Byrnes, Tim

“…We introduce a procedure based on quantum expectation values of measurement observables to characterize quantum coherence. Our measure allows one to quantify…”
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Lowest Weight Representations, Singular Vectors and Invariant Equations for a Class of Conformal Galilei Algebras by Aizawa, Naruhiko

“…The conformal Galilei algebra (CGA) is a non-semisimple Lie algebra labelled by two parameters [...] and [...]. The aim of the present work is to investigate…”
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Distribution of Quantum Coherence in Multipartite Systems by Radhakrishnan, Chandrashekar, Parthasarathy, Manikandan, Jambulingam, Segar, Byrnes, Tim

“…The distribution of coherence in multipartite systems is examined. We use a new coherence measure with entropic nature and metric properties, based on the…”
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Multipartite Generalization of Quantum Discord by Radhakrishnan, Chandrashekar, Laurière, Mathieu, Byrnes, Tim

“…A generalization of quantum discord to multipartite systems is proposed. A key feature of our formulation is its consistency with the conventional definition…”
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Coherence crossover dynamics in the strong coupling regime by Ali, Md. Manirul, Dinakaran, Rohith, Radhakrishnan, Chandrashekar

“…The transient dynamics of quantum coherence of Gaussian states is investigated. The state is coupled to an external environment which can be described by a…”
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Quantum coherence of the Heisenberg spin models with Dzyaloshinsky-Moriya interactions by Radhakrishnan, Chandrashekar, Parthasarathy, Manikandan, Jambulingam, Segar, Byrnes, Tim

“…We study quantum coherence in a spin chain with both symmetric exchange and antisymmetric Dzyaloshinsky-Moriya couplings. Quantum coherence is quantified using…”
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The role of thermal and squeezed photons in the entanglement dynamics of the double Jaynes–Cummings model by Mandal, Koushik, Radhakrishnan, Chandrashekar, Satyanarayana, M V

“…The effects of squeezed photons and thermal photons on the entanglement dynamics of atom-atom, atom-field and field-field subsystems are studied for the double…”
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Thermal coherence of the Heisenberg model with Dzyaloshinsky–Moriya interactions in an inhomogenous external field by Parthasarathy, Manikandan, Jambulingam, Segar, Byrnes, Tim, Radhakrishnan, Chandrashekar

“…The quantum coherence of the two-site XYZ model with Dzyaloshinsky–Moriya (DM) interactions in an external inhomogenous magnetic field is studied. The DM…”
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Entanglement preservation in tripartite quantum systems under dephasing dynamics by Radhakrishnan, Chandrashekar, Roy, Sovik, Chinnarasu, Ravikumar, Ali, Md. Manirul

“…Protecting entanglement from decoherence is a critical aspect of quantum information processsing. For many-body quantum systems evolving under decoherence,…”
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Detecting quantum phase localization using Arnold tongue by Ali, Md. Manirul, Chen, Po-Wen, Radhakrishnan, Chandrashekar

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Operational advantage of basis-independent quantum coherence by Ma, Zhi-Hao, Cui, Jian, Cao, Zhu, Fei, Shao-Ming, Vedral, Vlatko, Byrnes, Tim, Radhakrishnan, Chandrashekar

“…In the quantitative theory of quantum coherence, the amount of coherence is defined as the distance between the given state to the closest incoherent state…”
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Lowest Weight Representations, Singular Vectors and Invariant Equations for a Class of Conformal Galilei Algebras by Aizawa, Naruhiko, Chandrashekar, Radhakrishnan, Segar, Jambulingam

“…SIGMA 11 (2015), 002, 19 pages The conformal Galilei algebra (CGA) is a non-semisimple Lie algebra labelled by two parameters $d$ and $\ell$. The aim of the…”
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Basis-independent quantum coherence and its distribution by Radhakrishnan, Chandrashekar, Ding, Zhe, Shi, Fazhan, Du, Jiangfeng, Byrnes, Tim

“…We analyze a basis-independent definition of quantum coherence. The maximally mixed state is used as the reference state, which allows for a way of defining…”
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Prediction of mass of $\eta_{c}$ (2S) using variational method by Radhakrishnan, Chandrashekar

“…The suitability of using non-relativistic quantum mechanics to investigate heavy quark mesons is illustrated through a study of the charmonium meson. We…”
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Pushing Boundaries: Quantum-Enhanced Leader Election and the Limits of Consensus by Radhakrishnan, Chandrashekar, Zheng, Yuhang, Marin, Olivier

“…This work addresses the complexities involved in designing distributed quantum algorithms, highlighting that quantum entanglement does not bypass the…”
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The role of thermal and squeezed photons in the entanglement dynamics of the double Jaynes-Cummings model by Mandal, Koushik, Radhakrishnan, Chandrashekar, Satyanarayana, M. V

“…The effects of squeezed photons and thermal photons on the entanglement dynamics of atom-atom, atom-field and field-field subsystems are studied for the double…”
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Nonequilibrium time dynamics of genetic evolution by Rastegar-Sedehi, Hamid-Reza, Radhakrishnan, Chandrashekar, Intissar Nehme, Samer, Birman, Liev, Velasquez Lau, Paula Mery, Byrnes, Tim

“…Biological systems are typically highly open, nonequilibrium systems that are very challenging to understand from a statistical mechanics perspective. While…”
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