CONFERENCE PAPERS: Recent submissions

  • k-space analysis of nanotriangle antenna 
    VASISTA, ADARSH B.; KUMAR, G. V. PAVAN (Optical Society of America, 2016-12)
    Herein we report our electromagnetic simulation studies on k-space patterns of anisotropic nanostructures using gold nanotriangle placed on glass substrate as a system. Our results knit far field patterns with electric ...
  • Transient weakening of geomagnetic shield probed by GRAPES-3 experiment 
    Mohanty, P.K.; SUBRAMANIAN, PRASAD et al. (Sissa Medialab srl, 2018-08)
    The large area (560 m2) GRAPES-3 tracking muon telescope in Ooty, India recorded a 2 hour (h) muon burst on 22 June 2015 starting at 19:00 UT in the midst of a continuing Forbush decrease. The burst occurred following the ...
  • Efficient Fuzzy Rule Base Design Using Image Features for Image Extraction and Segmentation 
    MONDAL, KOUSHIK; Dutta, Paramartha; Bhattacharyya, Siddhartha (IEEE, 2012-12)
    Fuzzy rule base design for image segmentation and subsequent extraction becomes a popular one in the field of image processing. It is important to find visual attention regions with the help of low cost solutions. The aim ...
  • Mixed Covering Arrays on Hypergraphs 
    YASMEEN; MAITY, SOUMEN (Springer, 2012-08)
    Mixed covering arrays are natural generalizations of covering arrays that are motivated by applications in software and network testing. A strength three mixed covering array C is a k×n array with the cells of row i is ...
  • DEMM: A Meta-Algorithm to Predict the pKa of Ionizable Amino Acids in Proteins 
    Nguyen, T. B.; Tan, K.P.; MADHUSUDHAN, M. S. (Spriner, 2015)
    The protonation states of ionizable amino acid residues often have a direct influence on the functioning of a protein. The acid dissociation constant (in logarithmic scale, pKa) of these residues is hence an important ...
  • Sub‐Planck structures and Quantum Metrology 
    Panigrahi, Prasanta K.; KUMAR, ABHIJEET; Roy, Utpal; Ghosh, Suranjana (AIP Publishing, 2011-09)
    The significance of sub‐Planck structures in relation to quantum metrology is explored, in close contact with experimental setups. It is shown that an entangled cat state can enhance the accuracy of parameter estimations. ...
  • Evolution of Reproductive Dominance in Animal Societies – Lessons From a Social Wasp 
    Chakraborty, Saikat; Bhadra, Anindita; Nandi, Anjan K; Annagiri, Sumana; Deshpande, Sujata; Lamba, Shakti; BANG, ALOK; Gadagkar, Raghavendra (Indian National Science Academy, 2018-09)
    Most insect societies can be classified as either primitively or highly eusocial. Primitively eusocial insect societies are usually led by queens who are morphologically indistinguishable from the workers and use aggression ...
  • Magnetic phase transitions in HoFeO3 single crystals grown using the optical floating-zone method 
    BAG, RABINDRANATH; SINGH, SURJEET (AIP Publishing, 2017-05)
    We have successfully grown high-quality single crystals of potential multiferroic orthoferrite HoFeO3 in a four-mirror optical floating-zone furnace under two different grown atmospheres, namely, argon and air. The magnetic ...
  • Investigation of thioglycerol stabilized ZnS quantum dots in electroluminescent device performance 
    Ethiraj, Anita Sagadevan; Rhen, Dani; Lee, D. H.; Kang, Dae Joon; KULKARNI, S. K. (AIP Publishing, 2016-05)
    The present work is focused on the investigation of thioglycerol (TG) stabilized Zinc Sulfide Quantum dots (ZnS QDs) in the hybrid electroluminescence (EL) device. Optical absorption spectroscopy clearly indicates the ...
  • Identification of Extremely Large Scale Structures in SDSS-III 
    SANKHYAYAN, SHISHIR; Bagchi, J.; Sarkar, P.; Sahni, V.; Jacob, J. (Cambridge University Press, 2016-10)
    We have initiated the search and detailed study of large scale structures present in the universe using galaxy redshift surveys. In this process, we take the volume-limited sample of galaxies from Sloan Digital Sky Survey ...
  • Multichannel digital watermarking of color images using SVD 
    Agarwal, Rashmi; SANTHANAM, M. S.; Venugopalan, K. (IEEE, 2011-11)
    In this paper we propose a new invisible, non-blind digital watermarking scheme for color images based on singular vector domain (SVD). In this new approach, same or different watermarks can be embedded into the three color ...
  • Gated interferometric imaging of pulsars to detect off-pulse emission 
    ATHREYA, RAMANA; Basu, Rahul; Mitra, Dipanjan (IEEE, 2011-08)
    We detected off-pulse emission from two pulsars, B0525+21 and B204516, at 325 MHz using the Giant Metrewave radio telescope. Using the instrument as a high time resolution interferometer and off-line gating we imaged the ...
  • Synthesis and magnetic behaviour of Er3AlCx 
    Ghule, S.S.; Garde, C.S.; Ramakrishnan, S.; SINGH, SURJEET; Rajarajan, A.K.; Laad, M. (AIP Publishing, 2019-07)
    High quality polycrystalline Er3AlCx (x = 0.8 and 1) system is synthesized using conventional tri arc melting. X-ray diffraction of Er3AlC is analyzed using Rietveld method which reveals single phase formation with Pm-3m ...
  • Observation of surface Dirac state in transition metal dichalcogenide NiTe2 using ARPES 
    Kar, Indrani; HARNAGEA, LUMINITA; Banik, Soma; SINGH, SURJEET; Thirupathaiah, Setti (AIP Publishing, 2020-11)
    Using angle resolved photoemission spectroscopy (ARPES) we studied the low energy electronic structure of transition metal dichalcogenide (TMDC), NiTe2, single crystal. Our ARPES data clearly show a surface Dirac point ...
  • Study of CdTe/CdS solar cell at low power density for low-illumination applications 
    Devi, Nisha; Aziz, Anver; DATTA, SHOUVIK (AIP Publishing, 2016-05)
    In this paper, we numerically investigate CdTe/CdS PV cell properties using a simulation program Solar Cell Capacitance Simulator in 1D (SCAPS-1D). A simple structure of CdTe PV cell has been optimized to study the effect ...
  • A Quantum-Secure Niederreiter Cryptosystem using Quasi-Cyclic Codes 
    KAPSHIKAR, U.; MAHALANOBIS, AYAN (European Commission, 2018-01)
  • Nonlinearity in data with gaps: Application to ecological and meteorological datasets 
    GEORGE, SANDIP V.; AMBIKA, G. (Indian Academy of Sciences, 2017-12)
    Datagaps are ubiquitous in real-world observational data. Quantifying nonlinearity in data having gaps can be challenging. Reported research points out that interpolation can affect nonlinear quantifiers adversely, ...
  • Determining the minimum embedding dimension for state space reconstruction through recurrence networks 
    Harikrishnan, K. P.; Jacob, Rinku; Misra, R.; AMBIKA, G. (Indian Academy of Sciences, 2017-12)
    The analysis of observed time series from nonlinear systems is usually done by making a time-delay reconstruction to unfold the dynamics on a multidimensional state space. An important aspect of the analysis is the choice ...
  • Dynamics of slow and fast systems on complex networks 
    GUPTA, KAJARI; AMBIKA, G. (Indian Academy of Sciences, 2017-12)
    We study the occurrence of frequency synchronized states with tunable emergent frequencies in a network of connected systems. This is achieved by the interplay between time scales of nonlinear dynamical systems connected ...
  • A Probabilistic Baby-step Giant-step Algorithm 
    Kushwaha, Prabhat; MAHALANOBIS, AYAN (Science and Technology Publications, 2017-07)
    In this paper, a new algorithm to solve the discrete logarithm problem is presented which is similar to the usual baby-step giant-step algorithm. Our algorithm exploits the order of the discrete logarithm in the multiplicative ...

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