Academic and Research Interests

 

My interests revolve around theoretical and observational understanding of the origin, evolution, future, and fundamental building blocks of our Universe. Do we need physics beyond the standard models of cosmology and particle physics in order to solve some of the most mysterious puzzles about the Cosmos? If yes, what are the promising directions? How can we test the cosmological standard model and its alternatives?

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Cosmic anomalies and observational tensions

Large-scale anomalies and observational tensions: model building and data analysis

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Cosmic topology

Searching for the topology of the Universe

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Early-universe cosmology

Early-universe cosmology: cosmic microwave background, initial conditions, inflation and alternatives, primordial perturbations, large-scale structure, primordial gravitational waves, primordial black holes, string cosmology

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Cosmic acceleration

Cosmic acceleration: dark energy, cosmological constant problem, infrared theories of gravity, large-scale structure, fundamental-physics (supergravity, string theory, quantum gravity) based models of dark energy

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Cosmological tests of gravity

Cosmological tests of gravity: large-scale structure (ultra-large scales, nonlinear regime), gravitational waves

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Implications of cosmology
for fundamental theories

Implications of cosmology for fundamental theories: supergravity, string theory, quantum gravity

Multi-messenger cosmology

Multi-messenger cosmology: cosmological surveys (Planck, Euclid, SKAO, LiteBIRD, CMB-HD)

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Dark matter

Theory and phenomenology of dark matter

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Big data, statistical inference and HPC

Big data, statistical inference and high-performance computing in cosmology and fundamental physics

Artificial intelligence
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Artificial intelligence in cosmology and fundamental physics