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?

Cosmology beyond ΛCDM

Cosmology beyond ΛCDM: Large-scale anomalies - model building and data analysis

Gravity beyond General Relativity

Gravity beyond General Relativity: IR-modifications, massive gravity, multi-metric gravity; non-local gravity, degravitation, scalar-tensor theories, ghosts, Lorentz violation, screening mechanisms

Observational tests of gravity

Observational tests of gravity: Early times and ultra-large scales, gravitational waves, structure formation, nonlinear regime - in connection to cosmological surveys (Planck, Euclid, the SKA)

Late-time Universe

Late-time Universe: Accelerated expansion, dark energy, cosmological constant problem, formation of structure

Early Universe

Early-universe cosmology: CMB, inflation, primordial perturbations, string cosmolog

Physics beyond the Standard Model of particle physics

Physics beyond the Standard Model of particle physics: supersymmetry; extra dimensions

Dark matter

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Theory and phenomenology of particle dark matter

Statistical inference

Statistical inference in cosmology and high energy physics: parameter estimation and model selection

High performance computing

High performance computing in cosmology and high energy physics