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Academic Report ( 2019–20 )
Academic Report ( 2019–20 ) Harish - Chandra Research Institute Chhatnag Road, Jhunsi Prayagraj (Allahabad), India 211019 Contents 1. About the Institute 2 2. Director’s Report 4 3. List of Governing Council Members 5 4. Staff List 7 5. Academic Report - Mathematics 15 6. Academic Report - Physics 100 7. HRI Colloquia 215 8. Mathematics Talks and Seminars 216 9. Physics Talks and Seminars 218 10. Recent Graduates 222 11. Publications 224 12. Preprints 233 13. About the Computer Section 240 14. Library 242 15. Construction Activity 245 1 About The Institute History The Harish-Chandra Research Institute is one of the premier research institutes in the country. It is an autonomous institution fully funded by the Department of Atomic En- ergy (DAE), Government of India. The Institute was founded as the Mehta Research Institute of Mathematics and Mathematical Physics (MRI). On 10th Oct 2000 the In- stitute was renamed as Harish-Chandra Research Institute (HRI) after the acclaimed mathematician, the late Prof Harish-Chandra. MRI started with the efforts of Dr. B. N. Prasad, a mathematician at the University of Allahabad, with initial support from the B. S. Mehta Trust, Kolkata. Dr. Prasad was succeeded in January 1966 by Dr. S. R. Sinha, also of Allahabad University. He was followed by Prof. P. L. Bhatnagar as the first formal Director. After an interim period, in January 1983 Prof. S. S. Shrikhande joined as the next Director of the Institute. During his tenure the dialogue with the DAE entered into decisive stage and a review committee was constituted by the DAE to examine the Institute’s future. -
Annual Report 2007 - 2008 Indian Academy
ACADEMY OF SCIENCES BANGALORE ANNUAL REPORT 2007 - 2008 INDIAN ACADEMY ANNUAL REPORT 2007-2008 INDIAN ACADEMY OF SCIENCES BANGALORE Address Indian Academy of Sciences C.V. Raman Avenue Post Box No. 8005 Sadashivanagar P.O. Bangalore 560 080 Telephone 80-2361 2546, 80-2361 4592, (EPABX) 80-2361 2943, 80-2361 1034 Fax 91-80-2361 6094 Email [email protected] Website www.ias.ac.in Contents 1. Introduction 5 2. Council 6 3. Fellowship 6 4. Associates 10 5. Publications 10 6. Academy Discussion Meetings 18 7. Academy Public Lectures 22 8. Raman Chair 24 9. Mid-Year Meeting 2007 24 10. Annual Meeting 2007 – Thiruvananthapuram 26 11. Science Education Programme 28 12. Finances 44 13. Acknowledgements 44 14. Tables 45 15. Annexures 47 16. Statement of Accounts 55 INDIAN ACADEMY OF SCIENCES BANGALORE 4 ANNUAL REPORT 2007 - 2008 1 Introduction The Academy was founded in 1934 by Sir C.V. Raman with the main objective of promoting the progress and upholding the cause of science (both pure and applied). It was registered as a Society under the Societies Registration Act on 24 April 1934. The Academy commenced functioning with 65 Fellows and the formal inauguration took place on 31 July 1934 at the Indian Institute of Science, Bangalore. On the afternoon of that day its first general meeting of Fellows was held where Sir C.V. Raman was elected its President and the draft constitution of the Academy was approved and adopted. The first issue of the Academy Proceedings was published in July 1934. The present report covering the period from April 2007 to March 2008 represents the seventy-fourth year of the Academy. -
Nominations for Different “Academy Awards/Lectures/ Medals”
The National Academy of Sciences, India (NASI) 5, Lajpatrai Road, Prayagraj – 211002 Prof. Paramjit Khurana Ph.D., FNA, FASc, FNAAS, FTWAS, FNASc Prof. Satya Deo Ph.D. (Arkansas, USA), F.N.A.Sc. General Secretaries June 15, 2021 Subject : Nominations for different “Academy Awards/Lectures/Medals” Dear Fellows, I request you to kindly send nominations for the following “Academy Awards/Lectures/Medals”– 1. Prof. Meghnad Saha Memorial Lecture Award (2021) 2. Prof. N.R. Dhar Memorial Lecture Award (2021) 3. Prof. Archana Sharma Memorial Lecture Award (2021) 4. Prof. M.G.K. Menon Lecture Award (2021) 5. Prof. M.G.K. Menon Memorial Award (2021) 6. Prof. V. P. Sharma Memorial Lecture Award (2021) 7. Prof. A.K. Sharma Memorial Lecture Award (2021) 8. Prof. Prafulla Chandra Ray Memorial Lecture Award (2021) 9. Prof. S.K. Joshi Memorial Lecture Award (2021) 10. Prof. A.C. Banerji Memorial Lecture Award (2021) 11. Dr. B.P. Pal Memorial Lecture Award (2021) 12. Dr. P. Sheel Memorial (Young Women Scientist) Lecture Award (2021) 13. Prof. B.K. Bachhawat Memorial Lecture Award (2021) 14. Prof. U.S. Srivastava Memorial Lecture Award (2021) 15. Lecture Award in the field of Biodiversity (2021) 16. NASI-Buti Foundation Lecture Award (2021) The nomination papers duly completed in all respect should be emailed to NASI on [email protected] latest by July 15, 2021. No hard copy is required for this year; kindly send the nomination on aforesaid email only (not on any other email id of NASI). The copy of Regulations regarding these Academy Awards/Lectures/Medals and the names of past recipients are enclosed. -
Amitava Raychaudhuri
Amitava Raychaudhuri Research Summary: In 2007-08, research has been carried out in aspects of neutrino physics, particle physics models based on space-time with extra dimensions, and quark models. In continuing work on the prospects of the proposed Iron Calorimeter detector at INO being used as an end-detector for a very long baseline experiment in con- junction with a beta-beam source in Europe, it has been shown that this set-up has unmatched sensitivity for probing many of the remaining unknowns of the neutrino mass matrix. Related work on long baseline experiments with a beta- beam have (a) explored the possibility of using the survival probability Pee and (b) optimised the baseline, boost-factor, and luminosities for the best reach for probing the open issues of neutrino physics. The upper bound on the mass of the lightest neutral higgs scalar is shown to be considerably relaxed in models in which SUSY is embedded in space-time of more than four dimensions. Even though the observational evidence for the ‘pentaquark’ is currently not strong, such a bound state is a consequence of QCD. The group theory of the ‘triquark’ – which is a aconstitutent of the pentaquark – has been examined with a focus on the colour-spin SU(6) structure. Using these results, the masses of the different pentaquak states and their colour-spin excitations have been estimated. Publications: 1. Sanjib Kumar Agarwalla, Sandhya Choubey, Srubabati Goswami, and Ami- tava Raychaudhuri, Neutrino parameters from matter effects in Pee at long base- lines, Phys. Rev. D75, 097302 (2007) 2. Abhijit Samanta, Sudeb Bhattacharya, Ambar Ghosal, Kamales Kar, Deba- sish Majumdar, and Amitava Raychaudhuri, A GEANT-based study of atmo- spheric neutrino oscillation parameters at INO, Int. -
From 2D Droplets to 2D Yang-Mills Arxiv:2010.11923V1 [Hep-Th]
Prepared for submission to JHEP From 2d Droplets to 2d Yang-Mills Arghya Chattopadhyaya, Suvankar Duttab, Debangshu Mukherjeeb;c, Neetub aInstitute of Mathematical Sciences, Homi Bhaba National Institute (HBNI) IV Cross Road, Taramani, Chennai 600113, Tamil Nadu, India bIndian Institute of Science Education and Research Bhopal Bhopal Bypass, Bhopal 462066, India cIndian Institute of Science Education and Research Thiruvananthapuram Vithura 695551, Kerala, India E-mail: [email protected], [email protected], [email protected], [email protected] Abstract: We establish a connection between time evolution of free Fermi droplets and partition function of generalised q-deformed Yang-Mills theories on Riemann surfaces. Classical phases of (0 + 1) dimensional unitary matrix models can be characterised by free Fermi droplets in two dimensions. We quantise these droplets and find that the modes satisfy an abelian Kac-Moody algebra. The Hilbert spaces H+ and H− associated with the upper and lower free Fermi surfaces of a droplet admit a Young diagram basis in which the phase space Hamiltonian is diagonal with eigenvalue, in the large N limit, equal to the quadratic Casimir of u(N). We establish an exact mapping between states in H± and geometries of droplets. In particular, coherent states in H± correspond to classical deformation of upper and lower Fermi surfaces. We prove that correlation between two coherent states in H± is equal to the chiral and anti-chiral partition function of 2d Yang-Mills theory on a cylinder. Using the fact that the full Hilbert space H+ ⊗ H− admits a composite basis, we show that correlation between two classical droplet geometries is equal to the full U(N) Yang-Mills partition function on cylinder. -
Academic Report ( 2018–19 )
Academic Report ( 2018–19 ) Harish - Chandra Research Institute Chhatnag Road, Jhunsi Prayagraj (Allahabad), India 211019 Contents 1. About the Institute 2 2. Director’s Report 4 3. List of Governing Council Members 5 4. Staff list 6 5. Academic Report - Mathematics 15 6. Academic Report - Physics 100 7. HRI Colloquia 219 8. Mathematics Talks and Seminars 220 9. Physics Talks and Seminars 222 10. Recent Graduates 226 11. Publications 227 12. Preprints 236 13. About the Computer Section 242 14. Library 244 15. Construction Activity 247 1 About The Institute History: The Harish-Chandra Research Institute is one of the premier research in- stitutes in the country. It is an autonomous institution fully funded by the Department of Atomic Energy (DAE), Government of India. The Institute was founded as the Mehta Research Institute of Mathematics and Mathematical Physics (MRI). On 10th Oct 2000 the Institute was renamed as Harish-Chandra Research Institute (HRI) after the acclaimed mathematician, the late Prof Harish-Chandra. MRI started with the efforts of Dr. B. N. Prasad, a mathematician at the University of Allahabad, with initial support from the B. S. Mehta Trust, Kolkata. Dr. Prasad was succeeded in January 1966 by Dr. S. R. Sinha, also of Allahabad University. He was followed by Prof. P. L. Bhatnagar as the first formal Director. After an interim period, in January 1983 Prof. S. S. Shrikhande joined as the next Director of the Institute. During his tenure the dialogue with the DAE entered into decisive stage and a review committee was constituted by the DAE to examine the Institute’s future. -
Annual Report
THE INSTITUTE OF MATHEMATICAL SCIENCES C. I. T. Campus, Taramani, Chennai - 600 113. ANNUAL REPORT Apr 2003 - Mar 2004 Telegram: MATSCIENCE Fax: +91-44-2254 1586 Telephone: +91-44-2254 2398, 2254 1856, 2254 2588, 2254 1049, 2254 2050 e-mail: offi[email protected] ii Foreword I am pleased to present the progress made by the Institute during 2003-2004 in its many sub-disciplines and note the distinctive achievements of the members of the Institute. As usual, 2003-2004 was an academically productive year in terms of scientific publications and scientific meetings. The Institute conducted the “Fifth SERC School on the Physics of Disordered Systems”; a two day meeting on “Operator Algebras” and the “third IMSc Update Meeting: Automata and Verification”. The Institute co-sponsored the conference on “Geometry Inspired by Physics”; the “Confer- ence in Analytic Number Theory”; the fifth “International Conference on General Relativity and Cosmology” held at Cochin and the discussion meeting on “Field-theoretic aspects of gravity-IV” held at Pelling, Sikkim. The Institute faculty participated in full strength in the AMS conference in Bangalore. The NBHM Nurture Programme, The Subhashis Nag Memorial Lecture and The Institute Seminar Week have become an annual feature. This year’s Nag Memorial Lecture was delivered by Prof. Ashoke Sen from the Harish-Chandra Research Institute, Allahabad. The Institute has also participated in several national and international collaborative projects: the project on “Automata and concurrency: Syntactic methods for verification”, the joint project of IMSc, C-DAC and DST to bring out CD-ROMS on “The life and works of Srini- vasa Ramanujan”, the Xth plan project “Indian Lattice Gauge Theory Initiative (ILGTI)”, the “India-based neutrino observatory” project, the DRDO project on “Novel materials for applications in molecular electronics and energy storage devices” the DFG-INSA project on “The spectral theory of Schr¨odinger operators”, and the Indo-US project on “Studies in quantum statistics”. -
Abdus Salam United Nations Educational, Scientific and Cultural XA0202813 Organization International Centre International Atomic Energy Agency for Theoretical Physics
the IC/2002/34 abdus salam united nations educational, scientific and cultural XA0202813 organization international centre international atomic energy agency for theoretical physics GAUGE UNIFICATION IN 5-D SU(5) MODEL WITH ORBIFOLD BREAKING OF GUT SYMMETRY V^^r-'V^-Vv^'-.'^ Biswajoy Brahmachari and Amitava Raychaudhuri Available at: http://www.ictp.trieste.it/~pub-off IC/2002/34 SINP/TNP/02-18 United Nations Educational Scientific and Cultural Organization and International Atomic Energy Agency THE ABDUS SALAM INTERNATIONAL CENTRE FOR THEORETICAL PHYSICS GAUGE UNIFICATION IN 5-D 517(5) MODEL WITH ORBIFOLD BREAKING OF GUT SYMMETRY Biswajoy Brahmachari* Theoretical Physics Group, Saha Institute of Nuclear Physics, AF/1 Bidhannagar, Kolkata 700064, India and The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy and Amitava Raychaudhuri^ Department of Physics, University of Calcutta, 92, Acharya Prafulla Chandra Road, Kolkata 700009, India and The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy. Abstract We consider a 5-dimensional SU(5) model wherein the symmetry is broken to the 4-dimensional 1 Standard Model by compactification of the 5th dimension on an S /(Z2 x Z'2) orbifold. We identify the members of all SU(5) representations upto 75 which have zero modes. We examine how these light scalars affect gauge coupling unification assuming a single intermediate scale and present several acceptable solutions. The 5-D compactification scale coincides with the unification scale of gauge couplings and is determined via this renormalization group analysis. When 5(9(10) is considered as the GUT group there are only two solutions, so long as a few low dimensional scalar multiplets upto 126 are included. -
Annual Report
THE INSTITUTE OF MATHEMATICAL SCIENCES C. I. T. Campus, Taramani, Chennai - 600 113. ANNUAL REPORT Apr 2018 - Mar 2019 Telephone: +91-44-2254 3100, 2254 1856 Fax: +91-44-2254 1586 DID No.: +91-44-2254 3xxx(xxx=extension) Website: https://www.imsc.res.in ii Contents 1 The Institute1 1.1 Governing Board.................................1 1.2 Executive Council.................................3 1.2.1 Profiles of Governing Board and Executive Council Members.....4 1.2.2 Director's Advisory Committees.....................7 1.3 Faculty....................................... 13 1.4 Honorary Senior Academic Members...................... 14 1.5 Scientific Staff................................... 14 1.6 Administrative & Accounts Staff members................... 15 1.7 Project Staff................................... 15 1.7.1 Project Staff [Non Academic]...................... 15 1.7.2 Project Staff [Scientific/Academic]................... 16 1.8 Post-Doctoral Fellows............................... 17 1.9 Ph.D. Students.................................. 18 1.10 Summer Students................................. 21 1.11 Other Students.................................. 23 2 Research and Teaching 25 2.1 Computational Biology.............................. 25 2.1.1 Research Summary & Highlights.................... 25 2.1.2 List of Publications............................ 28 2.2 Mathematics.................................... 29 2.2.1 Research Summary & Highlights.................... 29 2.2.2 List of Publications............................ 31 iii 2.3 Physics...................................... -
Indian Physics Association Awards
NEWS Following day, the participants moved the environment of deposition, litho- 2. Paliwal, B. S., J. Geol. Soc. India, 1998, to Sam, Jaisalmer. On the way they saw facies, structural set-up and microbial 52(1), 81–86. Pokaran Boulder Bed (PBB), considered life in the basin. Palaeontological data 3. Kumar, S. and Pandey, S. K., Curr. Sci., to be the base of MSG. Chauhan et al.5 need support from sedimentological in- 2008, 94, 1081–1085. and Bhatt et al.6 have discussed its origin puts. New macrofossil morpho-forms, 4. Kumar, S. and Pandey, S. K., J. Asian Earth Sci., 2010, 38, 77–85. and lithostratigraphic position. The ori- some of which are enigmatic, can give 5. Chauhan, D. S., Mathur, K. M. and Ram, gin of PBB, i.e. whether it is glacial important clues regarding early multicel- N., J. Geol. Soc. India, 2001, 58(5), 425– deposit or not, is being debated. Partici- lular organisms and their evolution. Fel- 433. pants were unanimous that there is no sic volcanic unit of Chhoti Khatu could 6. Bhatt, D. K., Prasad, S., Jain, R. L. and evidence to consider PBB as a glacial be significant and provide precise age Mathur, A. K., J. Geol. Soc. India, 2005, boulder bed. constraint for the basin. 65, 301–308. During the return journey to Jodhpur All participants appreciated the infor- participants saw the Malani Igneous mative, elegantly prepared field guide Suite in Baukan Section. The valedictory book and the meticulous planning of the session was held at Jodhpur. The oil in- field trip by the scientists from BSIP. -
Amitava Raychaudhuri
Amitava Raychaudhuri Research Summary: In 2006-07, research has been carried out in aspects of neutrino physics, models based on space-time with extra dimensions, and grand unified theories. These are briefly discussed in turn below. In neutrino physics, a considerable effort has been spent on the prospects of a beta- beam facility { a source of pure νe or ν¯e beams. It has been shown that such a facility has unique advantages in both long- and short-baseline set-ups to better determine and constrain neutrino mass and mixing parameters as well as to explore non-Standard physics, like R-parity violating supersymmetry. Research has also been carried out to determine how well the ICAL detector at INO will be able to probe the neutrino mass splitting and mixing angle relevant for atmospheric neutrino oscillations. Models in which space-time has more than four dimensions have been examined for the unification of gauge couplings at high energies. A light intermediate scale in GUTS is a necessary ingredient for satisfying the re- quirement of proper leptogenesis. Obtaining such an intermediate scale is fraught with difficulties. It has been shown that within SUSY SO(10) GUTs this may be possible if the Higgs multiplets are appropriately chosen (16 rather than 126) and threshold corrections are incorporated. Alternate possibilities include the use of non-renormalisable Planck scale interactions and/or introduction of additional chiral multiplets. Publications: 1. Rathin Adhikari, Sanjib Kumar Agarwalla, and Amitava Raychaudhuri, Can R-parity violating supersymmetry be seen in long baseline beta-beam experi- ments?, Phys. Lett. B642, 111{118 (2006) 2. -
Annual Report 2017 - 2018
IITGN ANNUAL REPORT 2017 - 2018 INDIAN INSTITUTE OF TECHNOLOGY GANDHINAGAR ANNUAL REPORT 2017 - 2018 CONTENTs 6 From the Director's Desk 8 Academics 30 Infrastructure and Facilities 43 Outreach Activities 48 Faculty Activities 85 Student Affairs 101 Staff Activities 102 External Relations 105 Support for the Institute 115 Organisation VISION MISSION AND VALUES CORE» A safeFEATURES and peaceful environment » Relevant and responsive to the changing needs of IITMISSION Gandhinagar, as an institution for higher learning our students and the society in science, technology and related fields, aspires to » Academic autonomy and flexibility develop top-notch scientists, engineers, leaders and » Research Ambiance entrepreneurs to meet the needs of the society-now and » Nature of faculty and students: in the future. Furthermore, in this land of Gandhiji, with — Faculty recruiting norms are much higher his spirit of high work ethic and service to the society, than most of the academic institutes in India IIT Gandhinagar seeks to undertake ground breaking — Students are inducted strictly on a merit research, and develop breakthrough products that will basis improve everyday lives of our communities. » Sustainable and all-inclusive growth, including community outreach programmes » Infrastructure: Liberal funding to the laboratory »GOALS To build and develop a world-class institution facilities and amenities to make them for creating and imparting knowledge at the comparable to those best in the world undergraduate, post graduate and doctoral levels, » Administration: Exclusive concern of IIT contributing to the development of the nation and Gandhinagar, and handled internally the humanity at large. — Director given adequate powers to manage » To develop leaders with vision, creative thinking, most academic, administrative and financial social awareness and respect for our values.