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  • Origin of Ferromagnetism and its Pressure and Doping Dependence in Tl_{2}Mn_{2}O_{7}

    • T. Saha-Dasgupta, Molly De Raychaudhury, D. D. Sarma
      Original article citation: Phys. Rev. Lett. 96," (2006).

    • Categories: Physics
    • Recommended by : Biplab Das on 04/02/2008 07:01AM GMT
      
      Using the Nth order muffin-tin obital downfolding technique, this research explores the origin of ferromagnetism in pyrochlore, which is found to be driven by a hybridization induced spin polarization of delocalized charge carriers.
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  Physics

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  • Precision Microstate Counting of Small Black Rings

    • Atish Dabholkar, Norihiro Iizuka, Ashik Iqubal, Masaki Shigemori
      Original article citation: Phys. Rev. Lett. 96," (2006).

    • Categories: Physics
    • Recommended by : Bipin Dasgupta on 04/02/2008 05:49AM GMT
      
      Viewed as small black rings, two-charge supersymmetric states with spin in 5D string theories correspond to 4D nonspinning small black holes, indicating its precise agreement with the macroscopic degeneracy to all orders in an asymptomatic expansion.
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  Physics

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  • Leptogenesis from Spin-Gravity Coupling following Inflation

    • Subhendra Mohanty, A. R. Prasanna, G. Lambiase
      Original article citation: Phys. Rev. Lett. 96," (2006).

    • Categories: Physics
    • Recommended by : Bipin Dasgupta on 04/02/2008 05:34AM GMT
      
      This research depicts how the energy levels of the left- and the right-handed neutrinos are split in the background of gravitional waves generated during inflation, which, in presence of lepton-number-violating interactions, gives rise to a net lepton asymmetry at equilibrium.
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  Physics

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  • Velocity Autocorrelations and Viscosity Renormalization in Sheared Granular Flows

    • V. Kumaran
      Original article citation: Phys. Rev. Lett. 96," (2006).

    • Categories: Physics
    • Recommended by : Bipin Dasgupta on 04/02/2008 05:24AM GMT
      
      This research has found that the logarithmic divergence in the viscosity in 2D, and the divergence of Burnett coefficients in 3D, which is chracteristic of a fluid of elastic particles at equlibrium, is absent in a sheared granular flow.
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• 0 votes

  Chemistry

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  • Self-Assembly of Tripodal Squaraines: Cation-Assisted Expression of Molecular Chirality and Change from Spherical to Helical Morphology

    • Ayyappanpillai Ajayaghosh, Parayalil Chithra, Reji Varghese
      Original article citation: Angew. Chem. Int. Ed. 46," 230 - 233, (2007).

    • Categories: Chemistry and Materials
    • Recommended by : Bipin Dasgupta on 04/02/2008 05:13AM GMT
      
      Tripodal squaraines, a functional dye, self-assemble from acetonitrile to form hollow spheres and when bound to calcium ion form extended networks.
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• 1 vote

  Chemistry

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  • From Vesicles to Helical Nanotubes: A Sergeant-and-Soldiers Effect in the Self-Assembly of Oligo(p-phenyleneethynylene)s

    • Ayyappanpillai Ajayaghosh, Reji Varghese, Sankarapillai Mahesh, Vakayil K. Praveen
      Original article citation: Angew. Chem. 118," 7893 - 7896, (2006).

    • Categories: Chemistry
    • Recommended by : Arun Pal on 04/02/2008 04:42AM GMT
      
      This research explores how one type of organic compounds self-assemble themselves from vesicles to helical nanotubes through an effect known as Sergeant-and-Soldiers effect.
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  • Nuclear Effects in Neutrino Induced Coherent Pion Production at K2K and MiniBooNE

    • S. K. Singh, M. Sajjad Athar, Shakeb Ahmad
      Original article citation: Phys. Rev. Lett. 96," (2006).

    • Categories: Physics
    • Recommended by : Arun Pal on 04/02/2008 04:34AM GMT
      
      Using a delta hole model in the local density approximation taking into account of the properties in nuclear medium, this research studies the coherent pion production induced by neutrinos in nuclei.
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• 0 votes

  Physics

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  • Efimov States and their Fano Resonances in a Neutron-Rich Nucleus

    • I. Mazumdar, A. R. P. Rau, V. S. Bhasin
      Original article citation: Phys. Rev. Lett. 97," (2006).

    • Categories: Physics
    • Recommended by : Arun Pal on 04/02/2008 04:26AM GMT
      
      The research describes the conjunction of Efimov and Fano phenomena which may lead to experimental realization in electron-rich nuclei.
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• 0 votes

  Chemistry

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  • Hierarchical Structures Built from a Molecular Zinc Phosphate Core

    • Ramaswamy Murugavel, Subramaniam Kuppuswamy, Ramamoorthy Boomishankar, Alexander Steiner
      Original article citation: Angew. Chem. Int. Ed. 45," 5536 - 5540, (2006).

    • Categories: Chemistry and Materials
    • Recommended by : Arun Pal on 04/02/2008 04:15AM GMT
      
      This research shows that in the presence of ligands, zinc phosphate cubes assemble into 1D, 2D or 3D supramolecular networks through hydrogen bonds.
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• 1 vote

  Chemistry

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  • Diels–Alder Reactions Are Faster in Water than in Ionic Liquids at Room Temperature

    • Shraeddha Tiwari, Anil Kumar
      Original article citation: Angew. Chem. 118," 4942 - 4943, (2006).

    • Categories: Chemistry and Materials
    • Recommended by : Nilanjan Dey on 04/01/2008 02:28PM GMT
      
      This research shows that at room temperature, Diels-Alder reactions are faster in water than in ionic liquids.
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