Browsing Department of Physics by Author "Singh, R."

Browsing Department of Physics by Author "Singh, R."

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  • Anomalous and topological Hall effect in Cu doped Sb2Te3topological insulator 
    Singh, A.; Gangwar, V.K.; Shahi, P.; Pal, D.; Singh, R.; Kumar, S.; Singh, S.; Gupta, S.K.; Kumar, S.K.; Kumar, S.; Cheng, J. (American Institute of Physics Inc., 2020-08-31)
    The magneto-transport and magnetization measurements of Sb1.90Cu0.10Te3 were performed by varying both temperature and the magnetic field. The induced antiferromagnetic ordering with Cu doping and the observed quantum ...
  • Controlled generation of genuine multipartite entanglement in Floquet Ising spin models 
    Naik, G.K.; Singh, R.; Mishra, S.K. (American Physical Society, 2019-03-14)
    We propose a method for generation of genuine multipartite entangled states in a short-range Ising spin chain with periodic global pulses of magnetic field. We consider an integrable and a nonintegrable Floquet system that ...
  • Lateral inhibition provides a unifying framework for spatiotemporal pattern formation in media comprising relaxation oscillators 
    Janaki, R.; Menon, S.N.; Singh, R.; Sinha, S. (American Physical Society, 2019-05-23)
    Differential excitatory and inhibitory interactions, specifically lateral inhibition, between the constituent elements of complex systems underlie a wide range of spatiotemporal patterns in nature. Here, we show that when ...
  • Room temperature exchange bias in antiferromagnetic composite BiFeO3-TbMnO3 
    Gupta, P.K.; Ghosh, S.; Kumar, S.; Pal, A.; Singh, P.; Alam, M.; Singh, A.; Roy, S.; Singh, R.; Singh, B.P.; Naveen kumar, N.; Schwier, E.F.; Sawada, M.; Matsumura, T.; Shimada, K.; Lin, H.-J.; Chin, Y.-Y.; Ghosh, A.K.; Chatterjee, S. (American Institute of Physics Inc., 2019-12-28)
    The magnetic property of a 0.7BiFeO3-0.3TbMnO3 composite has been studied in detail and compared with that of 0.8BiFeO3-0.2TbMnO3. The magnetic properties in 0.7BiFeO3-0.3TbMnO3 are improved in manifold compared to BiFeO3. ...

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