A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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Dibyendu Nandi

PhD:
IISc, Bangalore (2003)
Area of Interest:
Astrophysical Magnetohydrodynamics, Sun-Earth-System Science, Space Science
Email ID:
dnandi
Research Interest:

Astrophysical Magnetohydrodynamics, Dynamo Theory, Fluid Dynamics, Solar Physics, Sun-Earth-System Science, Space Science.

Academic Qualification:
  • B.S. (Physics), St. Xavier's College, Calcutta University, 1995
  • M.S. (Physics), Indian Institute of Science (Bangalore), 1998
  • Ph.D. (Physics), Indian Institute of Science (Bangalore), 2003
Positions:
  • Postdoctoral Research Fellow, Department of Physics, Montana State University, Bozeman, (2002-2004)
  • Research Scientist, Department of Physics, Montana State University, Bozeman (2005-2007)
  • Assistant Research Professor, Department of Physics, Montana State University, Bozeman (2007-2008)
  • Visiting Scientist, Harvard-Smithsonian Center for Astrophysics, Cambridge, (2008-continuing)
  • Assistant Professor, Department of Physical Sciences, Indian Institute of Science Education and Research, Kolkata (2008-continuing)
Awards and Honors:
  • National Scholarship under the "National Scholarship Scheme" of the Government of India based on the B.S. exams: 1995"
  • Brueckner Studentship" of the Solar Physics Division of the American Astronomical Society: 2000"
  • Martin Forster Gold Medal" for the best thesis of 2002-2003, by the Division of Physical and Mathematical Sciences of the Indian Institute of Science, Bangalore: 2004
  • United Kingdom British Council's "Researcher Exchange Programme Award": 2007
  • American Astronomical Society—Solar Physics Division's "Parker Lectureship" Award at the AGU—SPD Joint Assembly: 2008
  • Ramanujan Fellowship, Department of Science and Technology, Government of India: 2008
List of Publications:
  • “The Role of Magnetic Buoyancy in a Babcock-Leighton type Solar Dynamo”, Nandy, D., & Choudhuri, A.R.  2000, Journal of Astrophysics and Astronomy, Volume 21, Page 381

  • “Towards a Mean-Field Formulation of the Babcock-Leighton type Solar Dynamo. I. Alpha-Coefficient Versus Durney's Double Ring Approach”, Nandy, D., & Choudhuri, A.R.  2001, Astrophysical Journal, Volume 551, Page 576

  • “Constraints on the Solar Internal Magnetic Field from a Buoyancy Driven Solar Dynamo”, Nandy, D. 2002, Astrophysics & Space Science, Volume 282, Page 209

  • “Explaining the Latitudinal Distribution of Sunspots with a Deep Meridional Flow”, Nandy, D., & Choudhuri A.R. 2002, Science, Volume 296, Page 1671 (See also “Online Supplemental Information” and “Unsuspected depths” – A small news-brief about this work, from the pages of Science Magazine)

  • “Solar Dynamo Models with Realistic Internal Rotation”, Choudhuri, A.R., & Nandy, D. 2002, Proceedings of the SOLMAG 2002 Meeting on “Magnetic Coupling of the Solar Atmosphere Euroconference and IAU Colloquium 188”, ESA Publications Division, ESA SP-505 (October 2002),  Page 91

  • “Insights on Turbulent Flows in the Solar Interior from the Behaviour of Dynamo Generated Magnetic Fields”, Nandy, D., & Choudhuri, A.R. 2003, Proceedings of the NATO Advanced Research Workshop on “Turbulence, Waves, and Instabilities in the Solar Plasma”, Publication of the Astronomy Department of the Eotvos University (Budapest), 2003, Page 21

  • “Evidence That a Deep Meridional Flow Sets the Sunspot Cycle Period”, Hathaway D.H., Nandy, D., Wilson, R.M., & Reichmann, E.J.  2003, Astrophysical Journal, Volume 589, Page 665 (See also “Erratum”, 2004, Astrophysical Journal, Volume 602, Page 543)

  • “Reviewing Solar Magnetic Field Generation in the Light of Helioseismology” (Invited Review Paper), Nandy, D. 2003, Proceedings of the SOHO 12 / GONG+ 2002 Meeting on "Local and Global Helioseismology: The Present and Future", European Space Agency Publications Division, Editor: H. Sawaya-Lacoste, ESA SP-517 (February 2003), Page 123

  • “Detection of a Taylor-like Plasma Relaxation Process in the Sun”, Nandy, D., Hahn, M., Canfield, R.C., & Longcope, D.W.  2003, Astrophysical Journal Letters, Volume 597, Page L73

  • “Helicity of Solar Active Regions from a Dynamo Model”, Choudhuri, A.R., Chatterjee, P., & Nandy, D. 2004, Astrophysical Journal Letters, Volume 615, Page L57

  • “Full-Sphere Simulations of a Circulation–Dominated Solar Dynamo: Exploring the Parity Issue”, Chatterjee, P., Nandy, D., & Choudhuri, A.R.  2004, Astronomy & Astrophysics, Volume 427, Page 1019

  • “The Origin of Helicity in Solar Active Regions”, Choudhuri, A.R., Chatterjee, P., & Nandy, D. 2004, Proceedings of IAU Symposium 223 on “Multi-Wavelength Investigations of Solar Activity”, Editors: A.V. Stepanov, E.E. Benevolenskaya and A.G. Kosovichev, Cambridge University Press, Page 45

  • “Full Sphere Axisymmetric Simulations of the Solar Dynamo”, Nandy, D., Chatterjee, P., & Choudhuri, A.R. 2004, Proceedings of IAU Symposium 223 on “Multi-Wavelength Investigations of Solar Activity”, Editors: A.V. Stepanov, E.E. Benevolenskaya and A.G. Kosovichev, Cambridge University Press, Page 133

  • “Detection of Taylor-like Plasma Relaxation Process in the Sun and its Implication for Coronal Heating”, Nandy, D., Hahn, M., Canfield, R.C., & Longcope, D.W.  2004, Proceedings of IAU Symposium 223 on “Multi-Wavelength Investigations of Solar Activity”, Editors: A.V. Stepanov, E.E. Benevolenskaya and A.G. Kosovichev, CambridgeUniversity Press, Page 473

  • “On the Tilt and Twist of Solar Active Regions”, Holder, Z.A., Canfield, R.C., McMullen, R.A., Nandy, D., Howard, R.F., & Pevtsov, A.A. 2004, Astrophysical Journal, Volume 611, Page 1149

  • “Meridional Circulation and the Solar Magnetic Cycle” (Invited Review Paper), Nandy, D. 2004, Proceedings of the SOHO 14 / GONG 2004 Meeting on “Helio- and Asteroseismology: Towards a Golden Future”, European Space Agency Publications Division, Editor: D. Danesy, ESA SP-559 (October, 2004), Page 241

  • “Exploring Magnetic Activity from the Sun to the Stars” (Invited Review Paper), Nandy, D. 2004, Solar Physics, Volume 224, Page 161

  • “Spatial Relationship Between Twist in Active Region Magnetic Fields and Solar Flares”, Hahn, M., Gaard, S., Jibben, P., Canfield, R.C., & Nandy, D. 2005, Astrophysical Journal, Volume 629, Page 1135

  • “Low-order Stellar Dynamo Models”, Wilmot-Smith, A.L., Martens, P.C.H., Nandy, D., Priest, E.R., & Tobias, S.M. 2005, Monthly Notices of the Royal Astronomical Society, Volume 363, Page 116

  • “Unraveling Long-Term Solar Variability and its Impact on Space Climate: The Stars as Suns Project” (Invited Review Paper), Nandy, D., & Martens, P.C.H.  2006, Proceedings of the International Living With a Star Workshop (Goa, India), Editors: N. Gopalswamy and A. Bhattacharyya, ISBN: 81-87099-40-2, Page158

  • “A Time Delay Model for Solar and Stellar Dynamos”, Wilmot-Smith, A.L., Nandy, D., Hornig, G., & Martens, P.C.H. 2006, Astrophysical Journal, Volume 652, Page 696

  • “Magnetic Helicity and Flux Tube Dynamics in the Solar Convection Zone: Comparisons between Observation and Theory”, Nandy, D. 2006, Journal of Geophysical Research, Volume 111, Page A12S01 (doi:10.1029/2006JA011882)

  • “Space Climate and the Solar-Stellar Connection: What can we learn from the Stars about Long-Term Solar Variability?” (Invited Review Paper), Nandy, D., & Martens, P.C.H.  2007, Advances in Space Research, Volume 40, Page 891

  • “Magnetic Helicity, Coronal Heating and Solar Flaring Activity: A Review of the Role of Active Region Twist” (Invited Review Paper), Nandy, D. 2008, in “Subsurface and Atmospheric Influences on Solar Activity”, Proceedings of the National Solar Observatory Sac Peak Workshop 24, Edited by R. Howe, R. W. Komm, K. S. Balasubramaniam and G. J. D. Petrie, Astronomical Society of the Pacific Conference Series, Vol. 383, Page 201

  • “Exploring the Physical Basis of Solar Cycle Predictions: Flux Transport Dynamics and Persistence of Memory in Advection versus Diffusion Dominated Solar Convection Zones”, Yeates, A.R., Nandy, D., & Mackay, D.H.  2008, Astrophysical Journal, Volume 673, Page 544

  • “Kinematic Properties of Solar Coronal Mass Ejections: Correction for Projection Effects in Catalogued Satellite Measurements”, Howard, T.A., Nandy, D., & Koepke, A. 2008, Journal of Geophysical Research, Volume 113, Page A01104 (10.1029/2007JA012500)

  • “Twisted Solar Active Region Magnetic Fields as Drivers of Space Weather: Observational and Theoretical Investigations”, Nandy, D., Mackay, D.H., Canfield, R.C., & Martens, P.C.H. 2008, Journal of Atmospheric and Solar-Terrestrial Physics, Volume 70, Page 605

  • “Helioseismic Data Inclusion in Solar Dynamo Models”, Munoz-Jaramillo, A., Nandy, D., & Martens, P.C.H. 2009, Astrophysical Journal, 698, 461

  • “Solar Cycle Variations of Coronal Null Points: Implications for the Magnetic Breakout Model of Coronal Mass Ejections”, Cook, G.R., Mackay, D.H., & Nandy, D. 2009, Astrophysical Journal, Volume 704, Page 1021

  • “Outstanding Issues in Solar Dynamo Theory” (Invited Review Paper), Nandy, D., Astrophysics and Space Science, in press

  • “Dynamo Processes” (Invited Book Chapter), Nandy, D., in the book “Universal Heliophysical Processes” to be published by Springer (Berlin/Heidelberg), in press