PUBLICATIONS :


Jasjeet Singh Bagla

  1. Bagla J.S. and Ray S. : Performance characteristics of the TreePM method, New Astronomy 8, 665, 2003.
  2. Bagla J.S. : A parallel TreePM code, Numerical Simulations in Astronomy, ed. K.Tomisaka and T.Hanawa, 2003, p.32.
  3. Bagla J.S. : Cluster Computing at HRI, Proceedings of DAE meeting on Parallel computing and its applications in science and engineering, BARC, p.219, 2003.
  4. Bagla J.S. and White M. : Prospects for Detecting Neutral Hydrogen Using 21-cm Radiation from Large Scale Structure at High Redshifts, the IAU 8th Asian-Pacific Regional Meeting, Proceedings volume I, Eds. Satoru Ikeuchi, John Hearnshaw, and Tomoyuki Hanawa; ASP conference series, vol.289, p.251, 2003.

Debajyoti Choudhury

  1. ZZH Coupling: A Probe to the origin of EWSB?
    D. Choudhury, A. Datta and K. Huitu
    Nucl. Phys. B673 385 (2003).
  2. Slepton production from gauge boson fusion
    D. Choudhury, A. Datta, K. Huitu, P. Konar, S. Moretti and B. Mukhopadhyaya
    Phys. Rev., D68:075007,2003
  3. Hybrid Inflation and Brane-Antibrane System
    D. Choudhury, D. Ghoshal, D.P. Jatkar and S. Panda
    Jour. Cosmology and Astropart Phys. 07, 009 (2003).

Prasanta Kumar Das

  1. "Implications of a light radion on &beta(&lambda) and &beta(gt)and a lower bound on radion vev" -- Prasanta Kr. Das and Uma Mahanta (published in MPLA)/hep-ph/0110309.

Raj Gandhi

  1. A. Datta, R. Gandhi, P. Mehta and S. U. Sankar, ``Atmospheric neutrinos as a probe of CPT and Lorentz violation,'' arXiv:hep-ph/0312027.(to appear in Physics Lett B)
  2. R. Gandhi, K. Kar and S. Uma Sankar, ``Working Group Report: Neutrino And Astroparticle Physics,'' Pramana 60, 405 (2003).

Debashish Ghoshal

  1. Hybrid inflation and the brane-antibrane system
    J. Cosmology & Astrophys. 0307: 009 (2003)
    (in collaboration with D. Choudhury, D.P. Jatkar and S. Panda)

Rajesh Gopakumar

  1. R. Gopakumar, ``From Free Fields to AdS'', hep-th/0308184, (To appear in Phys. Rev. D .)
  2. R. Gopakumar, ``From Free Fields to AdS -II'', hep-th/0402063, (To appear in Phys. Rev. D .)

Srubabati Goswami

  1. Constraints on neutrino oscillation parameters from the SNO salt phase data. A. Bandyopadhyay, S. Choubey, S. Goswami, S. T. Petcov and D. P. Roy, Phys. Lett. B 583, 134.
  2. On the measurement of solar neutrino oscillation parameters with KamLAND
    A. Bandyopadhyay, S. Choubey, S. Goswami and S. T. Petcov,
    arXiv:hep-ph/0309236,
    Phys. Lett. B 581, 62, (2003).
  3. Exploring the sensitivity of current and future experiments to &theta(\odot)
    A. Bandyopadhyay, S. Choubey,S. Goswami, arXiv:hep-ph/0302243, to appear in Phys. Rev. D. Phys. Rev. D 67 113011, (2003).

Alok Chandra Gupta

  1. Optical Photometric Observations of γ-Ray Loud Blazars, J. H. Fan, O. M. Kurtanidze, M. G. Nikolashvili, A. C. Gupta, J. S. Zhang & Y. H. Yuan (2004), Chin. J. Astron. Astrophys., 4, 133-142
  2. Near Infrared Intraday Variability of Mrk 421, A. C. Gupta, D. P. K. Banerjee, N. M. Ashok & U. C. Joshi (2004), Astronomy & Astrophysics, (in press)
  3. Intra-night Optical Variability of BL Lacs, Radio-Quiet Quasars and Radio-Loud Quasars, C. S. Stalin, Alok. C. Gupta, Gopal-Krishna, Paul J. Wiita & Ram Sagar (2004) (submitted to Monthly Notices Roy. Astron. Soc.)

Partha Konar

  1. Slepton production from gauge boson fusion.
    with Debajyoti Choudhury, Anindya Datta, Katri Huitu, Stefano Moretti, Biswarup Mukhopadhyaya.
    e-Print Archive: hep-ph/0304192
    Published in Phys.Rev. D68:075007, 2003
  2. Bhabha Scattering with Radiated Gravitons at Linear Colliders.
    with Sukanta Dutta, Biswarup Mukhopadhyaya, Sreerup Raychaudhuri.
    e-Print Archive: hep-ph/0307117
    Published in Phys.Rev. D68:095005, 2003

Sanjeev Kumar

  1. Inhomogeneous Ferromagnetism and Unconventional Charge Dynamics in Disordered Double Exchange Magnets: Sanjeev Kumar and Pinaki Majumdar
    Phys. Rev. Lett. vol 91, 246602-1 (2003)
  2. Nanoscale Phase Coexistence and Percolative Quantum Transport: Sanjeev Kumar and Pinaki Majumdar
    Phys. Rev. Lett. vol 92, 126602 (2004)
  3. Anti-Localisation to Strong Localisation: The Interplay of Magnetic Scattering and Structural Disorder: Sanjeev Kumar and Pinaki Majumdar
    Europhys. Lett. vol 65, 75 (2004)

Namit Mahajan

  1. t → bW IN NONCOMMUTATIVE STANDARD MODEL, Namit Mahajan, Phys. Rev. D68, 095001,2003 [arXiv: hep-ph/0304235].
  2. PCT THEOREM IN FIELD THEORY ON NONCOMMUTATIVE SPACE , Namit Mahajan, Phys. Lett. B569, 85 ,2003 [arXiv: hep-th/0305105].
  3. CP VIOLATION IN THE DECAY MODE B → πγ&gamma. with S.R.Choudhury (Delhi U.), G.C. Joshi (Melbourne U.), Namit Mahajan and B.H.J.McKellar (Melbourne U.), Phys. Rev. D69, 054011,2004 [arXiv: hep-ph/0306293].
  4. SHORT AND LONG DISTANCE CONTRIBUTIONS TO B → K*γ&gamma. with S.R.Choudhury (Delhi U.), A.S.Cornell (Korea Inst. Advanced Study, Seoul) and Namit Mahajan, Phys. Lett. B580, 177 (2004) [arXiv: hep-ph/0307104].

Pinaki Majumdar

  1. Inhomogeneous Ferromagnetism and Unconventional Charge Dynamics in Disordered Double Exchange Magnets,
    Sanjeev Kumar and Pinaki Majumdar,
    Phys. Rev. Lett. 91, 246602-1 (2003).
  2. Nanoscale Phase Coexistence and Percolative Quantum Transport,
    Sanjeev Kumar and Pinaki Majumdar,
    Phys. Rev. Lett. 92, 126602 (2004).
  3. Anti-localisation to Strong Localisation: the Interplay of Magnetic Scattering and Structural Disorder,
    Sanjeev Kumar and Pinaki Majumdar,
    Europhys. Lett. 65, 75 (2004).

Satchidananda Naik

  1. The Non-Perturbative ${\cal N} = 2 $ SUSY Yang-Mills Theory from Semiclassical Absorption of Supergravity by Wrapped D Branes [JHEP 06 (2004) 022]

Sudhakar Panda

  1. Choudhury D., Ghoshal D, Jatkar D.P. and Panda S., Hybrid Inflation and Brane-Antibrane System, JCAP 07 (2003) 009.
  2. de Roo M., Panda S., Trigiante M. and Westra D.B., Potential and mass-matrix in gauged N=4 supergravity, JHEP 11 (2003) 022.

Tribhuvan P. Pareek

  1. Pure spin currents and associated electrical voltage, T. P. Pareek, Phys. Rev. Lett. 92, 076601 (2004).
  2. Absolute spin valve effect: Charge transport in two dimensional hybrid system, T. P. Pareek, accepted for publication in PRB.

Sumathi Rao

  1. Effective action and interaction energy of coupled quantum dots (with Sourin Das), Phys. Rev. B68 073301 (2003).
  2. Transport through multiply connected carbon nano-tubes (with Sourin Das), to be published in Phys. Rev. B.
  3. Renormalisation group study of the conductances of interacting quantum wire systems with different geometries (with Sourin Das and Diptiman Sen), to be published in Phys. Rev. B.
  4. Transport through quantum dots, to be published in Proceedings of National Seminar on `Recent Advances in Physics', 19-20 September 2003, Gopalpur-on-sea, organised by Berhampur University and Institute of Physics, Bhubaneswar.
  5. Effects of interactions and different geometries on conductances of quantum wires : the ring and the stub systems, (with S. Das and D. Sen), to be published in International Conference on Nanoscience and Technology, Kolkatta, December 2003.

V. Ravindran

  1. V. Ravindran, J. Smith and W. L. van Neerven, "Differential cross sections for Higgs production," Mod. Phys. Lett. A 18, 1721 (2003) [arXiv:hep-ph/0307005].
  2. V. Ravindran, J. Smith and W. L. van Neerven, "Higgs production at NNLO," Pramana 62, 683 (2004) [arXiv:hep-ph/0304005].
  3. V. Ravindran, J. Smith and W. L. van Neerven, "NNLO corrections to massive lepton-pair production in longitudinally polarized proton proton collisions," Nucl. Phys. B 682, 421 (2004) [arXiv:hep-ph/0311304].
  4. J. Blumlein, V. Ravindran and W. L. van Neerven, "Twist-2 heavy flavor contributions to the structure function g2(x,Q**2)," Phys. Rev. D 68, 114004 (2003) [arXiv:hep-ph/0304292].
  5. R. Basu and V. Ravindran, "Working Group Report: Quantum Chromodynamics (QCD) And Hadronic Structure," Pramana 60, 401 (2003).

Ashoke Sen

  1. A. Sen, "Open and closed strings from unstable D-branes," Phys. Rev. D 68, 106003 (2003) [arXiv:hep-th/0305011].
  2. A. Sen, "Open-closed duality at tree level," Phys. Rev. Lett. 91, 181601 (2003) [arXiv:hep-th/0306137].
  3. A. Sen, "Open-closed duality: Lessons from matrix model," Mod. Phys. Lett. A 19, 841 (2004) [arXiv:hep-th/0308068].
  4. A. Sen, "Moduli space of unstable D-branes on a circle of critical radius," JHEP 0403, 070 (2004) [arXiv:hep-th/0312003].
  5. A. Sen, "Remarks on tachyon driven cosmology," arXiv:hep-th/0312153.
  6. A. Sen, "Rolling tachyon boundary state, conserved charges and two dimensional string theory," JHEP 0405, 076 (2004) [arXiv:hep-th/0402157].
  7. A. Sen, "Energy momentum tensor and marginal deformations in open string field theory," arXiv:hep-th/0403200.

Prasenjit Sen

  1. Electronic structure of Te- and As-covered Si(211), Prasenjit Sen, Inder P. Batra, S. Sivananthan, C. H. Grein, Nibir Dhar, and S. Ciraci, Phys. Rev. B 68, 045314 (2003)3.
  2. Electronic structure and ground states of transition metals encapsulated in a Si12 hexagonal prism cage, Prasenjit Sen and Lubos Mitas, Phys. Rev. B 68, 155404 (2003)3.

Ashok Sethia

  1. Title: Interplay between the repulsive and attractive interaction and the spacial dimensionality of an excess electron in a simple fluid.

    Authors: A. Sethia, E. R. Bittner and F . Hirata
    Journal: Journal of theoretical and computational Chemistry.
    Vol.2, Page:129-138 Year:2003.

L. Sriramkumar

  1. L. Sriramkumar, Interpolating between the Bose-Einstein and the Fermi-Dirac distributions in odd dimensions, Gen. Rel. Grav. 35, 1699--1705 (2003).



PREPRINTS :


Debajyoti Choudhury

  1. Higgs production in association with top quark pair at e+e- colliders in theories of higher dimensional gravity
    D. Choudhury, N.G. Deshpande and D.K. Ghosh
    hep-ph/0311284

Prasanta Das

  1. "Muon anomalous magnetic moment and a lower bound on the Higgs mass due to a stabilized radion in the Randall-Sundrum model "- Prasanta Kr. Das (submitted to PRD).
  2. "Higgs pair production due to radion resonance in Randall-Sundrum model: prospects at the Large Hadron Collider"-- Prasanta Kr. Das and Biswarup Mukhopadhyaya (submitted to EPJC), hep-ph/0303135.

Raj Gandhi

  1. Matter effects in P&nu&mu&rarr &nu&tau with A. Datta,P. Ghoshal, S.Goswami, P. Mehta and S. Uma Sankar, in preparation.
  2. Atmospheric Neutrino Physics Sensitivity studies for a Large Mass Iron Calorimeter, with A. Datta,P. Ghoshal, S.Goswami, P. Mehta and S. Uma Sankar, in preparation.

Debashish Ghoshal

  1. Noncommutative p-tachyon
    HRI-P/031101 (To be published in the proceedings of p-Adic MathPhys 2003)
  2. NS fivebrane and tachyon condensation
    HRI-P-0312001, hep-th/0312245
    (in collaboration with D.P. Jatkar and M. Kreuzer)

Srubabati Goswami

  1. Prospects of probing theta(13) and neutrino mass hierarchy by supernova neutrinos in KamLAND, A. Bandyopadhyay, S. Choubey, S. Goswami and K. Kar, arXiv:hep-ph/0312315
  2. Solar neutrino oscillation parameters after KamLAND S. Goswami, A. Bandyopadhyay and S. Choubey, arXiv:hep-ph/0312028.
  3. Solar Neutrinos and 1-3 mixing S. Goswami and A. Y. Smirnov, (in preparation).

Alok Chandra Gupta

  1. CCD Photometric Observations of the Galactic Globular Clusters NGC 1904 and NGC 6341,
    A. C. Gupta (astro-ph 0311443)
  2. Near Infrared Intraday Variability of Mrk 421,
    A. C. Gupta, D. P. K. Banerjee, N. M. Ashok & U. C. Joshi (astro-ph 0405186)

Partha Konar

  1. Gauge boson fusion as a probe of inverted hierarchies in supersymmetry.
    with Biswarup Mukhopadhyaya.
    e-Print Archive: hep-ph/0311347

Sanjeev Kumar

  1. The Travelling Cluster Approximation for Strong Correlation Models of Lattice Fermions Coupled to Classical Fields: Sanjeev Kumar and Pinaki Majumdar
    cond-mat/0406082
  2. The Many Electron Ground State of the Adiabatic Holstein Model in Two and Three Dimensions: B. Poornachandra Sekhar, Sanjeev Kumar, Pinaki Majumdar
    cond-mat/0406083
  3. The Interplay of Disorder and Thermal Fluctuations in Strongly Coupled Electron-Phonon Systems: Sanjeev Kumar and Pinaki Majumdar
    cond-mat/0406084
  4. Metal-Insulator Transitions in the Disordered Holstein-Double Exchange Model in Three Dimension: Sanjeev Kumar and Pinaki Majumdar
    cond-mat/0406085

Namit Mahajan

  1. LITTLEST HIGGS MODEL AND UNITARITY CONSTRAINTS, [arXiv: hep-ph/0310098].

Pinaki Majumdar

  1. The Travelling Cluster Approximation for Strong Correlation Models of Lattice Fermions Coupled to Classical Fields, Sanjeev Kumar and Pinaki Majumdar, cond-mat 0406082.
  2. The Many Electron Ground State of the Adiabatic Holstein Model in Two and Three Dimensions, B. Poornachandra Sekhar, Sanjeev Kumar and Pinaki Majumdar, cond-mat 0406083.
  3. The Interplay of Disorder and Thermal Fluctuations in Strongly Coupled Electron-Phonon Systems, Sanjeev Kumar and Pinaki Majumdar, preprint, cond-mat 0406084.
  4. Metal-Insulator Transitions in the Disordered Holstein-Double Exchange Model in Three Dimension, Sanjeev Kumar and Pinaki Majumdar, cond-mat 0406085.

Sudhakar Panda

  1. Hybrid Inflation and Brane-antibrane system, D. Choudhury, D. Ghoshal, D.P. Jatkar and S. Panda, hep-th/0305104.
  2. Potential and mass-matrix in gauged N=4 supergravity, M. de Roo, S. Panda, D.B. Westra and M.Trigiante, hep-th/0310187.

Tribhuvan P. Pareek

  1. Quantum Beating of Ballistic conductance, T. P. Pareek submitted for publication.

Sumathi Rao

  1. Tunneling through two resonant levels: fixed points and conductances (with D. Sen), cond-mat/0404010.

Arnab Kumar Ray

  1. A dynamical systems approach to an inviscid and thin accretion disc, Arnab K. Ray and J. K. Bhattacharjee, 2004 (submitted).

Ashok Sethia

  1. Quantum properties of many identical boson system: Path integral approach (in preparation)
    S. Sanyal and A. Sethia

L. Sriramkumar

  1. S. Shankaranarayanan and L. Sriramkumar, Trans-Planckian corrections to the primordial spectrum in the infra-red and the ultra-violet, hep-th/0403236.

 

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