PUBLICATIONS AND PREPRINTS IN PHYSICS

PUBLICATIONS :

Jasjeet Singh Bagla

1. Jassal H. K., Bagla J. S. and Padmanabhan T. 2005, MNRAS Letters 356, L11 (doi: 10.1111/j.1745-3933.2005.08577.x) : WMAP constraints on low redshift evolution of dark energy.
2. Bagla J. S. 2004,Current Science 88, 1088 (Special section on cosmology, Guest editor T.Padmanabhan) : Cosmological N-Body simulation: Techniques, Scope and Status. (astro-ph/0411043)
3. Bagla J. S. 2004, Resource Summary, Khagol 59, 5 : Cluster computing in Astronomy.
   

Pravabati Chingangbam

1. Non-minimally coupled tachyonic inflation in warped string background, Pravabati Chingangbam, Sudhakar Panda and Atri Deshamukhya,JHEP 02 (2005) 052.

2. Dynamics of rolling massive scalar field cosmology, P.Chingangbam and T. Qureshi, Accepted in IJMPA, hep-th/0409015.
   

Tapas K. Das

1. Das, T. K., 2004, Behaviour of matter close to the event horizon.Monthly Notices of the Royal Astronomical Society. (349, 375)

2. Das, T. K., 2004, Analogue Hawking Radiation from Astrophysical Black Hole Accretion. Classical & Quantum Gravity, (21, 5253).

3. Barai, P., Das, T. K., & Wiita, P. J., 2004, Dependence of General Relativistic Accretion on Black Hole Spin.Astrophysical Journal Letters. (613, L49).

4. Das, T. K., 2004, Transonic Black Hole Accretion as Analogue System. Proceedings of `Dynamics and Thermodynamics of Black Holes and Naked Singularities', Milan, May 2004 (gr-qc/0411006).

5. Das, T. K., 2005, Black hole accretion as black hole analogue. Invited contribution as a chapter of the book `21st Century Astrophysics' eds. S K Saha & V K Rastogi, Anita Publications, New Delhi.
   

Raj Gandhi

1. R. Gandhi, P. Ghoshal, S. Goswami, P. Mehta and S. Uma Sankar, Large matter effects in nu/mu $\to$ nu/tau oscillations Phys. Rev. Lett. 94, 051801 (2005)[arXiv:hep-ph/0408361]. 
2. A. Datta, R. Gandhi, P. Mehta and S. Uma Sankar, Atmospheric neutrinos as a probe of CPT and Lorentz violation, Phys. Lett. B 597, 356 (2004)[arXiv:hep-ph/0312027]. 

Debashish Ghoshal

1. D. Ghoshal,
   Noncommutative $p$ -tachyon,
   Proc. Steklov Inst. Math. 245 83-90 (2004),
   Proceedings of the First International Conference $p$ -Adic MathPhys.2003, Moscow, Russia.

2. D. Ghoshal, S. Mukhi and S. Murthy,
   Liouville D-branes in two-dimensional strings and open string field theory,
   JHEP 0411, 027 (2004) [hep-th/0406106].

3. D. Ghoshal,
   Exact noncommutative solitons in p-adic strings and BSFT,
   JHEP 0409, 041 (2004) [hep-th/0406259].

4. D. Ghoshal and T. Kawano,
   Towards p-adic string in constant B-field,
   Nucl. Phys. B710, 577-598 (2005) [hep-th/0409311].

5. D. Ghoshal (Editor)
   Current Perspectives in High Energy Physics: Lectures from SERC Schools
   Hindustan Book Agency, New Delhi (2005).

Rajesh Gopakumar

1. R. Gopakumar, From free fields to AdS, Phys. Rev. D 70, 025009 (2004).

2. R. Gopakumar, From free fields to AdS. II, Phys. Rev. D 70, 025010 (2004).

3. R. Gopakumar, Free field theory as a string theory?, Comptes Rendus Physique 5, 1111 (2004).

4. R. Gopakumar, Large $N$ and Topological Strings, Encyclopedia of Mathematical Physics, Elsevier (to appear).
   

 

Srubabati Goswami

1. Large Matter Effects in ${{\nu_\mu \to \nu_\tau}}$ Oscillations
   R. Gandhi, P. Ghoshal, S. Goswami, P. Mehta and S Uma Sankar Phys. Rev. Lett. 94, 051801 (2005), arXiv:hep-ph/0408361, (2004).

2. Update of the solar neutrino oscillation analysis with the 766-Ty KamLAND spectrum
   A. Bandyopadhyay, S. Choubey, S. Goswami, S. T. Petcov and D. P. Roy Phys. Lett. B 608, 115 (2005)' arXiv:hep-ph/0406328.

3. Global Analysis of Neutrino Oscillation
   S. Goswami, A. Bandyopadhyay, S. Choubey,
   Nucl. Phys. Proc. Suppl. 143, 121 (2005), e-Print Archive:hep-ph/0409224.
4. Working group report: Neutrino and astroparticle physics. (WHEPP-8)
   S. Goswami et al., Pramana 63, 1391 (2004) [arXiv:hep-ph/0409225].

Harvinder Kaur Jassal

1. H. K. Jassal, J. S. Bagla and T. Padmanabhan, WMAP constraints on low redshift evolution of dark energy, astro-ph/0404378, Mon. Not. Roy. Astron. Soc. Letters. 356, L11-L16, 2005
   

Dileep Jatkar

1. ONE DIMENSIONAL M5-BRANE INTERSECTIONS.

   with Ansar Fayyazuddin and Tasneem Zehra Husain

   Published in Phys.Rev.D71:106003,2005

   e-Print Archive:hep-th/0407129
   

Namit Mahajan

1. $B_d-{\bar{B}}_d$ mass difference in Little Higgs model, S. R. Choudhury, N. Gaur, A. Goyal and Namit Mahajan, Phys. Lett. B601, 164 (2004).

Pinaki Majumdar

1. Singular Effect of Disorder on Electronic Transport in Strong Coupling Electron-Phonon Systems,  Sanjeev Kumar and Pinaki Majumdar,
   Phys. Rev. Lett. 94, 136601 (2005).

2. The Many Electron Ground State of the Adiabatic Holstein Model in Two and Three Dimensions,  B. Poornachandra Sekhar, Sanjeev Kumar and Pinaki Majumdar,
   Europhys. Lett. 68, 564 (2004).

3. Structural Disorder Induced Polaron Formation and Magnetic Scattering in the Disordered Holstein-Double Exchange Model,  Pinaki Majumdar and Sanjeev Kumar,
   J. Phys. Soc. Jpn. Suppl. XX, 217 (2005).
   

Poonam Mehta

1. Large matter effects in $\nu_\mu \to \nu_\tau$ oscillatons,
   R. Gandhi, P. Ghoshal, S. Goswami, P. Mehta and S. Uma Sankar,
   Phys. Rev. Lett. 94, 051801 (2005).
   

Biswarup Mukhopadhyaya

1. BULK KALB-RAMOND FIELD IN RANDALL-SUNDRUM SCENARIO
   By Biswarup Mukhopadhyaya, Siddhartha Sen, Somasri Sen, Soumitra SenGupta
   Published in Phys.Rev.D70:066009,2004

2. INVISIBLE HIGGS IN THEORIES OF LARGE EXTRA DIMENSIONS
   By Anindya Datta, Katri Huitu, Jari Laamanen, Biswarup Mukhopadhyaya
   Published in Phys.Rev.D70:075003,2004

3. SPARTICLE SPECTRUM AND PHENOMENOLOGY IN SPLIT SUPERSYMMETRY: SOME POSSIBILITIES
   By Biswarup Mukhopadhyaya, Soumitra SenGupta
   Published in Phys.Rev.D71:035004,2005

4. R-PARITY VIOLATION IN SPLIT SUPERSYMMETRY AND NEUTRALINO DARK MATTER: TO BE OR NOT TO BE
   By Sudhir Kumar Gupta, Partha Konar, Biswarup Mukhopadhyaya
   Published in Phys.Lett.B606:384-390,2005

5. SPLIT SUPERSYMMETRY FROM ANOMALOUS U(1)
   By K.S. Babu, Ts. Enkhbat, Biswarup Mukhopadhyaya, (Appeared in Nuclear Physics B)
   

Sudhakar Panda

1. Chingangbam P., Deshamukhya A. and Panda S.,Non-minimally Coupled Tachyonic Inflation in Warped String Background,JHEP 02 (2005) 052.

2. de Roo M., Eenink M.G.C., Panda S., and Westra D.B.,Group Manifold Reduction of Dual N=1 d=10 Supergravity,JHEP 06 (2005) 077.

Tribhuvan P. Pareek

1.   Asolute spin valve effect: Charge transport in two dimensional hybrid system. Phys. Rev. B70 033310 (2004)

Sumathi Rao

1. 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.

2. Effects of interactions and different geometries on conductances of quantum wires : the ring and the stub systems, ( with Sourin Das and Diptiman Sen), to be published in International Conference on Nanoscience and Technology, Kolkata, December 2003.

V. Ravindran

1. NLO-QCD corrections to $e^+~e^- \rightarrow$ hadrons in model of TeV-scale gravity,
   JHEP 0408:048 (2004), hep-ph/0405292, TIFR-TH-04-12, May 2004. 11pp. Prakash Mathews, V. Ravindran, K. Sridhar

2. Two Loop Corrections to Higgs Production
   Nucl.Phys. B704:332-348,2005,hep-ph/0408315,
   V. Ravindran, J. Smith, W.L. van Neerven,

3. Next to leading order QCD corrections to the Drell-Yan cross section in models of TEV-Scale gravity.
   Nucl.Phys. B713 :333-377,2005, hep-ph/0411018, IPPP-04-70, Nov 2004.
   Prakash Mathews, V. Ravindran, K. Sridhar, W.L. van Neerven.

4. Mellin moments of the next-to-next-to leading order coefficient functions for the Drell-Yan process and hadronic Higgs-boson production,
   Nucl. Phys. B 716, 128 (2005), hep-ph/0501178.
   J. Blumlein and V. Ravindran,
5. NNLO coefficient functions of Higgs and Drell-Yan cross sections in Mellin space,
   Nucl. Phys. Proc. Suppl. 135, 24 (2004),hep-ph/0407045.
   J. Blumlein and V. Ravindran,
6. NNLO corrections to the Higgs production cross section,
   Nucl. Phys. Proc. Suppl. 135, 35 (2004) hep-ph/0405263.
   V. Ravindran, J. Smith and W. L. van Neerven,
7. NNLO corrections to the polarized Drell-Yan coefficient function,
   Nucl. Phys. Proc. Suppl. 135, 14 (2004) hep-ph/0405233.
   V. Ravindran, J. Smith and W. L. van Neerven.

Arnab Kumar Ray

1. Large Scale Properties in Turbulent Spherically Symmetric Accretion, Arnab K. Ray and J. K. Bhattacharjee, The Astrophysical Journal, 627, 368, July 1, 2005.

2. Time-dependence in the Circular Hydraulic Jump, Arnab K. Ray and J. K. Bhattacharjee, Proceedings of the Second National Conference on Nonlinear Systems and Dynamics (NCNSD 2005), 2005.
   

Joseph Samuel

1. Ensemble Inequivalence in Single Molecule measurements Physical Review E71 021104 (2005).
2. Connections and Fields -I,Resonance April issue (2005)
3. Connections and Fields-II, Resonance May issue (2005)
   

Ashoke Sen

1. A. Sen, Symmetries, conserved charges and (black) holes in two dimensional string theory JHEP 0412, 053 (2004) [arXiv:hep-th/0408064].

2. A. Sen, Tachyon dynamics in open string theory, [arXiv:hep-th/0410103] (review article).

3. A. Sen, How does a fundamental string stretch its horizon?, JHEP 0505, 059 (2005) [arXiv:hep-th/0411255].

4. A. Sen, Black holes, elementary strings and holomorphic anomaly, [arXiv:hep-th/0502126].
   

Ashok Sethia

1. Chem. Phys. Lett. 404 192-198 (2005)
   

Supurna Sinha

1. Writhe distribution of stretched polymers, Supurna Sinha, Physical Review E 70, 011801 (2004), has been selected for the July 15, 2004 issue of Virtual Journal of Biological Physics Research.

2. Inequivalence Of Ensembles in Single Molecule Measurements (Supurna Sinha and Joseph Samuel), Physical Review E 71, 021104 (2005). [Selected for the Virtual Journal Of Biological Physics Research].
   

L. Sriramkumar

1. S. Shankaranarayanan and L. Sriramkumar, Trans-Planckian corrections to the primordial spectrum in the infra-red and the ultra-violet, Phys. Rev. D 70, 123520 (2004).
2. S. Shankaranarayanan and L. Sriramkumar, Planck scale effects and the suppression of power on the large scales in the primordial spectrum, To appear in the Proceedings of PASCOS '04 (World Scientific, 2004).
   

Arjun Bagchi

1. Cosmology and Static Spherically Symmetric Solutions In
   D-Dimensional Scalar Tensors Theories: Some Novel Features..
   Arjun Bagchi (IMSc, Chennai and Harish-Chandra Res. Inst.), S. Kalyana Rama (IMSc, Chennai).
   IMSC-2004-08-31, Aug 2004. 17pp.
   Published in Phys.Rev.D70:104030,2004
   e-Print Archive:gr-qc/0408030
   

Pomita Ghosal

     1.  R. Gandhi, P. Ghoshal, S. Goswami, P.Mehta, S. Uma Sankar, Large Matter Effects in $\nu_\mu \to \nu_\tau$ Oscillations, Phys. Rev. Lett. 94, 051801

Sudhir Kumar Gupta

1. R-parity Violation in Split Supersymmetry (Sudhir Kumar Gupta, Partha Konar and Biswarup Mukhopadhyaya)-Physics Letters B 606 (2005)
   

Jayanti Prasad

1. Bagla, Prasad $\&$ Ray, 2005, MNRAS (in press),astro-ph/0408429
   

PREPRINTS :

Jasjeet Singh Bagla

• Ray Suryadeep and Bagla J. S. 2004,astro-ph/0405220: A parallel TreePM code.
• Bagla J. S., Prasad Jayanti and Ray Suryadeep 2004, astro-ph /0408429: Gravitational collapse in an expanding background and the role of substructure I: Planar collapse.
• Ray Suryadeep, Bagla J. S. and Padmanabhan T. 2005,astro-ph/0410041: Gravitational collapse in an expanding universe: Scaling relations for two dimensional collapse revisited.
• Bagla J. S. and Ray Suryadeep 2005, astro-ph /0410373: Comments on the size of the simulation box in cosmological N-Body simulations.

Pravabati Chingangbam

• Two particle ghost interference demystified, P.Chingangbam and T. Qureshi,quant-ph/0502162 [Submitted to Phys. Rev. A]
  

Tapas K. Das

• Das, T. K., and Czerny, B., 2004, Low angular momentum accretion-outflow model of flares from Sgr A$^*$ . Monthly Notices of Royal Astronomical Society Lettersastro-ph/0408416). (Submitted) 

• Das, T. K. (with Dasgupta, S., Rao, A. R., Dewangan, G. C., & Czerny, B.) 2005, Dramatic X-ray Spectral Variability in the Low-Luminosity Active Nucleus of NGC 4395: Flaring Accretion Disk or Shocked Accretion Flow?,Astrophysical Journal Letters (Submitted).
• Das, T. K. (with Dasgupta, S., & Bilic, N.) 2005, Pseudo-Schwarzschild Spherical Accretion as a Classical Black Hole Analogue,Monthly Notices of the Royal Astronomical Society (Submitted). (astro-ph/0501410).

Raj Gandhi

• R. Gandhi, P. Ghoshal, S. Goswami, P. Mehta and S. Uma Sankar, Probing the nu mass hierarchy via atmospheric nu/mu + anti-nu/mu survival rates in Megaton water Cerenkov detectors, [arXiv:hep-ph/0506145].
• R. Gandhi, P. Ghoshal, S. Goswami, P. Mehta and S. Uma Sankar, Earth matter effects at very long baselines and the neutrino mass hierarchy, [arXiv:hep-ph/0411252], submitted to Phys. Rev D.

Rajesh Gopakumar

• R. Gopakumar, From free fields to AdS. III, arXiv:hep-th/0504229.

• R. Dijkgraaf, R. Gopakumar, H. Ooguri and C. Vafa, Baby universes in string theory, arXiv:hep-th/0504221.

Srubabati Goswami

• Solar neutrinos and 1-3 leptonic mixing
  S. Goswami and A. Y. Smirnov,
  arXiv:hep-ph/0411359, submitted for publication.

• Earth matter effects at very long baselines and the neutrino mass hierarchy,
  R. Gandhi, P. Ghoshal, S. Goswami, P. Mehta and S. U. Sankar,
  arXiv:hep-ph/0411252, submitted for publication.

• High Precision Measurements of $\theta_{\odot}$ in Solar and Reactor Neutrino Experiments
  A. Bandyopadhyay, S. Choubey, S. Goswami, S. T. Petcov
  arXiv:hep-ph/0410283, submitted for publication.
  

Namit Mahajan

• $B\to\rho$ form factors including higher twist contributions and reliability of pQCD approach, Namit Mahajan, hep-ph/0405161.
  

Pinaki Majumdar

• Transport and Localisation in the Presence of Strong Structural and Spin Disorder,
  Sanjeev Kumar and Pinaki Majumdar,
  cond-mat 0504656.

• Tunneling Magnetoresistance, Glassiness, and the Energy Landscape at Nanoscale Cluster Coexistence,  Sanjeev Kumar, Chandra Shekhar Mohapatra, and Pinaki Majumdar, cond-mat 0503735.
  

Poonam Mehta

• Probing the $\nu$ mass hierarchy via atmospheric $\nu_\mu + \bar\nu_\mu$ survival rates in megaton water cerenkov detectors,
  R. Gandhi, P. Ghoshal, S. Goswami, P. Mehta and S. Uma Sankar,
  hep-ph/0506145.

• Earth matter effects at very long baselines and the neutrino mass hierarchy,
  R. Gandhi, P. Ghoshal, S. Goswami, P. Mehta and S. Uma Sankar,
  hep-ph/0411252,   Submitted to Phys. Rev. D.
  

Biswarup Mukhopadhyaya

• SPLIT SUPERSYMMETRY AND THE ROLE OF A LIGHT FERMION IN A GENERAL SUPERGRAVITY THEORY
  By Biswarup Mukhopadhyaya, Soumitra SenGupta
  e-Print Archive:hep-ph/0503167

• NEUTRINO MASSES AND LEPTON-NUMBER VIOLATION IN THE LITTLEST HIGGS SCENARIO
  By Tao Han, Heather E. Logan, Biswarup Mukhopadhyaya, Raghavendra Srikanth
  e-Print Archive:hep-ph/050526
  

Sudhakar Panda

• Non-minimally Coupled Tachyonic Inflation in Warped String Background, P. Chingangbam, A. Deshamukhya and S. Panda,hep-th/0411210.

• Group Manifold Reduction of Dual N = 1 d = 10 Supergravity, M. de Roo, M.G.C. Eenink, S. Panda and D.B. Westra,hep-th/0503059.

Tribhuvan P. Pareek

• Measuring Rashba Spin orbit interaction strength at Zero magnetic field: cond-mat/0412115. Submitted to PRB Rapid communication for publication.
  

Sumathi Rao

• Effect of interactions on an adiabatic quantum electron pump
  cond-mat/0410025 (with Sourin Das).

Arnab Kumar Ray

• Hydraulic Jump in One-dimensional Flow, Subhendu B. Singha, J. K. Bhattacharjee and Arnab K. Ray, 2005 (submitted).

• A Time-dependent Study in the Shallow Water Approach to the Circular Hydraulic Jump, Arnab K. Ray and J. K. Bhattacharjee, 2005 (under revision).

• A Dynamical Systems Approach to a Thin Accretion Disc, Arnab K. Ray and J. K. Bhattacharjee, 2005 (under revision).

Joseph Samuel

• DNA Elasticity: topology of self avoidance, submitted for publication.

• Euler buckling in red blood cells: a biological micromotor, submitted for publication.
  

Prasenjit Sen

• Electronic Structure and Origin of Ferromagnetism in CaB$_6$ : Hartree-Fock, Density Functional and Quantum Monte Carlo Study, Z. Helms, P. Sen and L. Mitas.

• Growth of P on Si(001): Atomic Structure up to a Monolayer, P. Sen, I. P. Batra, and B. Gupta.

Supurna Sinha

• DNA Elasticity: Topology Of Self-Avoidance (with J. Samuel and A. Ghosh; Submitted to Physical Review E).

• cond-mat/0410142: Dynamics of Vibrated Grains Abhishek Dhar and Supurna Sinha (A Technical Report).

• physics/0501099: Euler buckling in red blood cells: An optically driven biological micromotor ( A. Ghosh, S. Sinha, J. A. Dharmadhikari, S. Roy, A. K. Dharmadhikari, J. Samuel, S. Sharma, D. Mathur)

L. Sriramkumar

• L. Sriramkumar and T. Padmanabhan, Initial state of matter fields and trans-Planckian physics: Can CMB observations disentangle the two?,
  gr-qc/0408034.
  

Pomita Ghosal

• R. Gandhi, P. Ghoshal, S. Goswami, P.Mehta, S. Uma Sankar, Earth Matter Effects at Very Long Baselines and the Neutrino Mass Hierarchy ,hep-ph/0411252

• R. Gandhi, P. Ghoshal, S. Goswami, P.Mehta, S. Uma Sankar, Resolving the neutrino mass hierarchy from atmospheric neutrinos in a megaton Water Cerenkov detector, work in progress