Gaurav Goswami

Assistant Professor
Ph D (Physics), Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune
Areas of interest
Cosmology, High Energy Physics

Gaurav Goswami is an Assistant Professor at School of Engineering and Applied Science, Ahmedabad University. Before joining Ahmedabad University he was a postdoctoral fellow at Physical Research Laboratory (PRL), Ahmedabad. He obtained his PhD (Physics) in the field of theoretical cosmology from Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune.

His primary research interest is the interface of fundamental physics and cosmology.

Broad area of research:

The interface of cosmology and fundamental physics (high energy physics). Particularly,

  • Theoretical cosmology:
    • Main focus on cosmic inflation and its realisations in theories of high energy physics e.g. string theory,
    • Other subjects at the interface of cosmology and high energy physics e.g. baryon asymmetry of the universe, dark matter, dark energy, neutrino masses; physics beyond the standard model of elementary particle physics;
  • Cosmological probes of fundamental physics: Cosmic Microwave Background (e.g. current and near future constraints on inflationary observables), Gravitational Waves.

  • Computational cosmology: Cosmic Microwave Background data analysis.

Specific research directions:

  • Past:
    • Dynamics of cosmological perturbations in the context of inflation (1011.4914, 1307.4735, 1406.6352)
    • Constraining properties of viscous dark matter from gravitational wave observations (1603.02635), 
    • Observable effects of inflation on CMB and using the CMB observations to reconstruct some details of cosmic inflation (1303.4747), 
    • Relation of cosmic inflation with issues in particle physics e.g. Higgs vacuum stability problem (1406.5644),
    • The observational constraints on a pre-inflationary radiation dominated era (1412.7093, 1506.04808), 
    • The observational constraints on warm inflation (1710.11109),
    • New particle physics models to explain collider signals as well as cosmology (1512.06782),
    • Models of cosmic inflation involving extra dimensions of space to address issues of UV sensitivity of inflation (1705.11071),
  • Current:
    • Cosmological solutions in string theory, swampland and related conjectures e.g.
      • Attempting to find string theoretic realisation of large field excursions (1812.11909),
    • Axions and axion like particles, their possible role in structure formation, and novel ideas for detecting them,
    • Other issues in cosmology e.g. dark energy, neutrino masses, baryon asymmetry of the universe, dark matter; moduli cosmology;

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  • Vector and Complex Analysis: (Complex analysis, vector calculus and Fourier analysis for engineering undergraduates): Fall 2015, Fall 2016, Fall 2017, Fall 2018, Fall 2019
  • Electromagnetic theory: (Mathematical formulation of electromagnetism as a classical theory of fields for engineering undergraduates): Spring 2016, Spring 2017, Spring 2018, Spring 2019
  • Transport Phenomena: (A unified description of momentum, heat and mass transfer for chemical engineering undergraduates): Fall 2016
  • Heat Transfer: (Conduction, convection, radiation, solution of related BVPs, dimensionless numbers, correlations, boiling, condensation, heat exchangers): Fall 2017
  • Thermodynamics-II: (An advanced course on thermodynamics for chemical engineering undergraduates): Spring 2018

  • Referee for the Physical Review and Physical Review Letters,
  • Member of the Consortium CMBBharat (a proposed Indian space mission for Cosmic Microwave Background observations).

Selected Recent Talks:

  • At Centre for High Energy Physics, Indian Institute of Science (IISc), Bengaluru, May 15, 2019 (Institute seminar),

  • At “COSMO 2018: The 22nd annual international Conference on Particle Physics and Cosmology,” held at Institute for Basic Science (IBS), Daejeon, South Korea, August 27-31, 2018,

  • At “Third Saha Theory Workshop: Aspects of Early Universe Cosmology,” held at Saha Institute of Nuclear Physics, Kolkata, 16-20 January 2017,

  • At The 24th International Conference on Supersymmetry and Unification of Fundamental Inter- actions (SUSY 2016) at University of Melbourne, Melbourne, Australia (July 4 - 8, 2016).

Contact

233, School of Engineering and Applied Science,
Ahmedabad University,
Ahmedabad Education Society FP. 4,
Near Commerce Six Roads,
Navrangpura, Ahmedabad - 380 009, India

+91 079-61911171
gaurav.goswami@ahduni.edu.in

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