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Faculty Members :: Physics

         
 

 

 

Dr.Tapas Pal Majumdar

Lecturer

Academic Qualification

MSc.,Ph.D.

Post Doctoral Research

One and half Year in IACS as a RA; One Year in Tokyo Institute of Technology, Japan as an Unesco Fellow;  one year in Nanotechnology Research Institute, Japan as an ITIT (Institute Transfer for Industrial Technology) Fellow; Half year in Rostock University, Germany as a BAT Fellow.

Telephone No.
E-mail:

+91 33 24818087
tpmajumder@yahoo.com

Area of Interest
i)  Teaching

Statistical Mechanics; Condensed Matter Physics; Nanoscience

ii)  Research

Nanoscience and Liquid Crystals

Recent Significant Publications

1. T. Datta (Ray), S. Kundu, P. Nayek, T. P. Majumder, S. K. Roy and W. Haase (2008): Dielectric and electro-optic behavior of pure ferroelectric liquid crystal material and the isomeric mixtures. Current Applied Physics 9(3), 605-609 (2009).

2. P. Nayek, S. Ghosh, S. Karan, T. P. Majumder and S. K. Roy (2008): Bias dependent dielectric relaxation dynamics of electrically tuned large-scale zinc oxide nanorods in nematic liquid crystal host. Applied Physics Letters 93, 112905/1-3.

3. P. Nayek, S. Kundu, S. K. Roy, T. Pal Majumder, N. Bennis, J. M. Oton and R. Dabrowski (2008): Electro-optical properties of an orthoconic liquid crystal mixture (W-182) and its molecular dynamics. Journal of Applied Physics 103, 0541031-7.

4. S. Kundu, T. Ray, P. Nayek, T. Pal Majumder and S. K. Roy (2008): Electro-optic and dielectric behavior of a FLC material having doped with a non-mesogenic polar molecules. Current Applied Physics 8, 542-548.

5. T. Ray, S. Kundu, T. Pal Majumder, S. K. Roy and R. Dabrowski (2008): Influence of ionic conductivity and interfacial charges on the relaxation dynamics of smectic phases of an antiferroelectric material. Journal of Molecular Liquids 139, 35-42.

6. T. Pal Majumder, D. Meibner, C. Schick and S. K. Roy (2006): Phase transion phenomena and the corresponding relaxation process of wheat starch-water polymer matrix studied by dielectric spectroscopic method. Carbohydrate Polymers 65, 129-133.

7. T. Pal Majumder, D. Meibner and C. Schick (2004): Dielectric processes of wet and well dried wheat starch. Carbohydrate Polymers 56, 361-366.

8. T. Pal Majumder and K. Ikegami (2004): Physical characterization of Organic-Inorganic charge transfer complexes. Indian J. Phys. 78A (1), 93-95.

9. K. Ikegami, T. Pal Majumder, M. Lan and T. Nakamura (2003): Molecular Orientation of Langmuir-Blodgett Films of AlkylDCNQI-Cu And AlkylTCNQ-Cu Complexes. Transactions of the Materials Research Society of Japan 28(1), 51-54.

10. T. Pal Majumder and K. Ikegami (2003): A Structural Model for Langmuir-Blodgett Films Based on Charge-Transfer Salts of AlkylTCNQ and Cu. Synthetic Metals 135-136, 515-516.

Award / Prize / National Recognition/membership

UNESCO Fellowship; ITIT Fellowship; JSPS Fellowship; BAT Fellowship; Life Member of Indian Physical Society; Life Member of Indian Liquid Crystal Society

 

 

Dr. Yatramohan Jana

Reader

Academic Qualification

M.Sc. Ph.D. (Physics)

Post Doctoral Research

  1. International Innovation Center and Graduate School of Sciences, Kyoto University, Kyoto, Japan (2002 -03).

 

  1. Grenoble High Magnetic Field Laboratory, CNRS, Grenoble, France (2004 -05)

Telephone No.
E-mail:

9830997571
yatramohan@yahoo.com

Area of Interest
i)  Teaching

Nuclear Physics

ii)  Research

Condensed Matter Physics Experiment (Crystal Field Interaction and Geometrical Frustration in pyrochlores and spinels)

Recent Significant Publications

1. Spin-glass-like magnetic ground state of geometrically frustrated pyrochlore niobate Tb2Nb2O7, Phys. Rev. B68(17), 174413 (2003)

2. New Compounds based on Pyrochlore Structure: R2Nb2O7  ( R = Dy, Yb),  J. Phys. Soc. Japan 73, 2829 (2004).

3. A study on crystal-field interaction and single-ion anisotropy in pyrochlore Eu2Ti2O7, J. Alloys and Compounds 384, 6 (2004).

4. Crystal field effect and geometric frustration in  Er2Ti2O7 – an XY antiferro-magnetic pyrochlore,  Solid State Commus 139, 424 (2006).

5. Low-temperature measurements of magnetic susceptibility and specific heat of Eu2Ti2O7 – an XY  pyrochlore, J. Phys. Chem. Solids 68, 347 (2007).

Award / Prize / National Recognition/membership

Material Research Society of India (Kolkata) Young Scientist Award -2001

 

Prof.Arunava Chakrabarti

Profrssor

Academic Qualification

M.Sc., Ph.D.

Post Doctoral Research

  • 1992-93 : Commonwealth Post Doctoral Fellow, University of Bristol, UK
  • Till date, in India and abroad

Telephone No.
E-mail:

2337 2169  and 94322 33327 (M)
arunava_chakrabarti@yahoo.co.in

Area of Interest
i)  Teaching

 

 

Courses taught:

Condensed Matter Theory

  • Undergraduate Teaching – 10 Years
  • Post Graduate Teaching – 13 Years (till 2009 March)

Quantum mechanics, Classical Mechanics, Math. Methods, Condensed Matter Physics, Computational Methods.

ii)  Research

 

Recent Significant Publications
  • Physical review Letters, 101,076803 (2008)[with S.Sil and S. Maiti]
  • Physical Review B 78, 113103 (2008) [with S.Sil and S. Maiti]
  • Physical Review B 77, 155310 (2008) [with S. Jana]
  • Physica Letters A 366, 507 (2007).
  • Physical Review B 74, 205315 (2006).

Award / Prize / National Recognition/membership

  • National Scholarship (till M.Sc.)

  • Commonwealth Fellow 1992.

  • DAAD visiting Scientist, Technical University of Chemnitz, germany 2001.

  • Guest Scientist, Max Planck Institute, Dresden, grmany 2005.

  • Guest Scientist, Max Planck Institute, Dresden, Germany, 2006.

  • Royal Society Guest Scientist awardee, Warwick University, UK, 2009.

  • Referee of Physical Review Letters, Physical Review B and E, and other international and national journals for the last ten years.

  • Life Member, Indian Physical Society.

  • Resource person in various Courses organized by the University of Calcutta, University of Kalyani, Institute of Physics (Bhubaneswar).

  • Resource person in schools for young students organized by INSA, Allahabad Chapter.

  • Talks delivered at various Institute in India and abroad.

 

Dr. Nanda Kumar Ghosh

Reader

Academic Qualification

Ph.D.

Tel no.

Email
Area of Interest
i)  Teaching

+91 33 24818087

nanda.ku@rediffmail.com

Quantum Mechanics, Electrodynamics, Solid State physics

ii)  Research

Condensed Matter Theory

 

Dr. Sudipta Pal

Lecturer

Academic Qualification

M.Sc. PhD

Post Doctoral Research

1.Laboratoire CRISMAT,  France 
2. National Sun Yat-Sen University,  Taiwan

Telephone No.
E-mail:

+91 33 24818087
sudipta.pal@rediffmail.com

Area of Interest
i)  Teaching

Classical Mechanics, High Energy Physics

ii)  Research

Experimental Solid State Physics

Recent Significant Publications

Review Article:
“Manganite nanocomposites”, in “Encyclopedia of Nanoscience and Nanotechnology” Publisher American Institute of Physics.

“ The effect of Monovalent Alkali Metal (ie. Li,Na,K) doping at the R site of RMnO3 Manganite Compounds” in Indian Journal of Cryogenics, Vol 31, 2006

Journal Papers

1) Effect of Ni doping in rare-earth manganite La0.7Pb0.3Mn1-xNixO3 (x=0.0-0.5), J. of Magn and Magn Mat 293 872–879 (2005)

2) Transport and magnetic properties of metallic La1-xPbxNiO3 oxide. J. Appl. Phys. 97  043707 (2005)

3) Unusual negative magnetisation effect in antiferromagnetic YbFe4Al8 compound, phys. stat. solidi.(b) 243, No. 1, 295–298 (2006)

4) Transport and magnetic properties of Pr1-xCaxCrO3 (x=0.0-0.5): Effect of t2g orbital degeneracy on the thermoelectric power , The European Physical Journal B  53, 5–9 (2006)

5) Effect of grain boundary layer strain on the magnetic and transport properties of (100-x) La0.7Ca0.3MnO3 /(x) BaTiO3 composites showing enhanced magnetoresistance, J. of Magn and Magn Mat 314,30,(2007)

6) Anomalous thermal properties and local lattice effects in low doped manganites La0.875Ca0.125MnO3 and La0.875Ca0.0625Sr0.0625 MnO3, Journal of physics D: applied physics,40,3728 (2007)

7) Correlation of structural, magnetic and transport properties with tolerance factor in low doped La0.875Sr0.125-xCaxMnO3, (0<=x<=0.125) system: Crossover from Mott to Shklovskii–Efros variable range hopping conduction, Journal of physics: condensed matter ,19,266218,(2007)

8) Studies of quenched disorder in La0.7Ca0.3MnO3-type CMR manganite system from magnetic, transport and positron annihilation spectroscopic measurements, Physica B: Condensed Matter, 398, Issue 1, 27, (2007)

9) Importance of double exchange interaction in low doped ferromagnetic insulator La0.875Ca0.125 MnO3. Solid State Communications, 145 (3), 149 (2008)

Award / Prize / National Recognition/membership
  • Life member of Indian Association for the Cultivation of Science; Kolkata-32, India.
  • Life member of  Indian Cryogenics Council (India)

 

Dr. Chirantan Neogy

Reader
Academic Qualification
M.Sc., Ph.D.
Area of Interest
Research
• Condensed Matter Physics
• Computer Software & Technology
Recent Significant Publication
A study of frequency dependent losses in HTSC, YBa2Cu3O7 (0.1 MHZ - 10 MHZ, 79K - 254K) - B.K. Mandal, B. Ghosh, C. Neogy, S.K. Deb and A. Nag - Ind. J. Phys. 76A(4), 343 (2002)

 

Dr. Asit Baran Bhattacharyya

Professor
Academic Qualifications
M.Sc., Ph.D.
Area of Interest
Research
• Material Science
• Radio Meteorology
Recent Significant Publications

• A multiplayer fuzzy neural network approach cloud classification - R. Bhattacharyya, S.S. Dey, T. Datta and A.B. Bhattacharyya - Ind. Jour. Radio Sp. Phys. 32, 104 (2003)

• Geophysical phenomena associated with GPS observed PW during the passage of a typhoon - S.K. Kar, Y.A. Liou, C.Y. Huang and A.B. Bhattacharyya - Int. J. Electr. Telecom. Eng. - in press.

• Effect of temperature on attenuation due to rain in terrestrial and satellite microwave communications - P. Mali, S.K. Sarkar and A.B. Bhattacharyya - Int. J. Infrared & mm Waves, 22, 153 (2001)

• Rain Height in relation to 0 degree C isotherm height over some Indian tropical location and rain attenuation over an Indian south coastal station for microwave and mm-wave communication systems - N.C. Mandal, S.K. Sarkar, A.B. Bhattacharyya and P. Mali - Int. J. Infrared & mm Waves, 22, 495 (2001)

• Local time dependence of decametric radio emission from Jupiter observed from earth's station at different solar activities - S.K. Bose and A.B. Bhattacgaryya - Ind. J. Radio Sp. Phys., 30, 232 (2001)

• Noise temperature and attention due to clouds in microwave and mm-wave frequency bands for satelite borne systems - P. Mali, S.K. Sarkar and A.B. Bhattacharyya - Ind. J. Phys., 75B, 497 (2001)
• Sprites, their relationship to intense quasielectrostatic thundercloud field and the physical mechanism for their production - A.B. Bhattacharyya, M.K. Chatterjee, P. Mali, N.C. Mondal and S.K. Sarkar - Ind. J. Phys., 74B, 113 (2000)

• Attenuation by rain and associated radio propagation at microwave and millimeter wave frequency bands for communication - S.K. Sarkar, N.C. Mondal and A.B. Bhattacharyya - Ind. J. Phys., 74B, 101 (2000)

• Attention of centimeter, millimeter and submillimeter waves due to rain over tropical Indian stations - N.C. Mondal, A.B.Bhattacharyya and S.?K. Sarkar - Int. J. Infrared Millimeter Waves, 20, 699 (1999)

• Electromagnetic Noise due to manmade sources and lightning and the possible biological effects - A.B. Bhattacharyya, M.K. Chatterjee and R. Bhattacharyya - Ind. J. Radio Space Phys., 28, 119 (1999)

 

Dr. Bijan Modak

Professor
Academic Qualification
M.Sc., Ph.D.
Area of Interest
Research
• Graviation
• Relativity & Cosmology
Recent Significant Publication

• Induced gravity from Noether symmetry - S. Kamilya, B. Modak and S. Biswas (Accepted in Gen. Rel. Grav.)

• Induced gravity theory from Noether symmetry - S. Kamilya, B. Modak and S. Biswas (accepted in Gen. Rel. Grav.)

• Noether symmetry in General Scalar Tensor theory - S. Kamilya, B. Modak (Accepted in Gen. Rel. Grav.)

• Schoedinger - Wheeler - De Witt equation in multidimensional cosmology - S. Biswas, A. Shaw and B. Modak - Int. J. Mod. Phys. D10, 585 (2001)

• Quantum Cosmology with a curvature squared action - A.K. Sanyal and B. Modak - Phys. Rev. D63, 064021 (2001)

• Is the Noether symmetric approach consistent in scalar-tensor theories? - A.K. Sanyal and B. Modak - Class, Quan . Grav., 18, 3767 (2001)

• Quantum Cosmology with R+R2 gravity - A.K. Sanyal and B. Modak - Class, Quan, Grav., 18, (2001)

• The complex time WKB approximation and particle production - S. Biswas, A. Shaw and B. Modak - Genl. Rel. Grav., 32, 53 (2000)

• Schwinger's result on particle production from complex path WKB approximation - S. Biswas, A. Shaw and B. Modak - Int. J. Mod. Phys. A 15, 3717 (2000)

• Quantum Gravity equations in Schroedinger form in mini superspace description - S. Biswas, A. Shaw, B. Modak and D. Biswas - Gen. Rel. Grav. 32, 2167 (2000)

• Evolution of dynamical coupling in the scalar tensor theory from Noether symmetry - B. Modak, S. Biswas and S. Kamillya - Gen. Rel. Grav. 32, 1615 (2000)

• Particle production, back reaction and singularly avoidance - A. Shaw, D. Biswas, B. Modak and S. Biswas - Pramana J. Phys., 52, 1 (1999)

• Decoherence in Strabonski Model - S. Biswas, A. Shaw and B. Modak - Gen. Rel. Grav. -31, 1015 (1999)

 

Dr. Amitava Sinha

Professor
Academic Qualification
M.Sc., Ph.D.
Telephone Number 09330951068
E-mail asinha333@gmail.com
Area of Interest
Teaching
  • Electronics

Electronics General and Electronics Special paper,Classical Electrodynamics,Condensed Matter Physics,Differential Equations and Special Functions on Mathematical Physics paper.

Research
  • Physics of Semiconductors and Semiconductor Devices
  • Solar Cells
Recent Significant Publications

The following papers were published along with other co-authors.

  • Journal of Computational and Theoretical Nanoscience,Vol. 3,pp.727-751,2006.
  • Physica B , Vol.390,pp.325-339,2007.
  • Physica B , Vol.391,pp.141-156,2007.
  • Physica B, Vol.393,pp.347-362,2007.
  • Journal of Computational and Theoretical Nanoscience, Vol.4,pp.550-573,2007.
  • Journal of Computational and Theoretical Nanoscience,Vol.5,pp.375-400,2008.
Award/Prize/National Recognition/Membership
  • Life Member, Indian Physical Society.
  • Life Member, Indian Association for the Cultivation of Science..

 

 

  
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