Publications (54)
PRISM (Polarized Radiation Imaging and Spectroscopy Mission): A White Paper on the Ultimate Polarimetric Spectro-Imaging of the Microwave and Far-Infrared Sky
PRISM Collaboration, Philippe Andre, Carlo Baccigalupi +101
Thermal SZ fluctuations in the ICM: probing turbulence and thermodynamics in Coma cluster with ${\it Planck}$
Rishi Khatri, Massimo Gaspari
Does Bose-Einstein condensation of CMB photons cancel μ distortions created by dissipation of sound waves in the early Universe?
Rishi Khatri, Rashid A. Sunyaev, Jens Chluba
Constraints on non-resonant photon-axion conversion from the Planck satellite data
Suvodip Mukherjee, Rishi Khatri, Benjamin D. Wandelt
An alternative validation strategy for the Planck cluster catalog and $y$-distortion maps
Rishi Khatri
Motion induced second order temperature and y-type anisotropies after the subtraction of linear dipole in the CMB maps
Rashid A. Sunyaev, Rishi Khatri
Ballistic Dark Matter oscillates above $Î$CDM
Anirban Das, Basudeb Dasgupta, Rishi Khatri
Data driven foreground clustering approach to component separation in multifrequency CMB experiments: A new Planck CMB map
Rishi Khatri
Cosmology with Recombination Spectrum
Debajyoti Sarkar, Rishi Khatri
More on crinkles in the last scattering surface
Rishi Khatri, Benjamin D. Wandelt
Testing isotropy in the Universe using photometric and spectroscopic data from the SDSS
Suman Sarkar, Biswajit Pandey, Rishi Khatri
Beyond y and μ: the shape of the CMB spectral distortions in the intermediate epoch, 1.5x10^4 < z < 2x10^5
Rishi Khatri, Rashid A. Sunyaev
CMB anisotropy and BBN constraints on pre-recombination decay of dark matter to visible particles
Sandeep Kumar Acharya, Rishi Khatri
Dark Matter Science in the Era of LSST
Keith Bechtol, Alex Drlica-Wagner, Kevork N. Abazajian +177
Forecasts for CMB μ- and i-type spectral distortion constraints on the primordial power spectrum on scales 8 < k < 10^4 Mpc^-1 with the future Pixie-like experiments
Rishi Khatri, Rashid A. Sunyaev
The probability distribution of 3-D shapes of galaxy clusters from 2-D X-ray images
Swapnil Shankar, Rishi Khatri
21 cm radiation: A new probe of fundamental physics
Rishi Khatri, Benjamin D. Wandelt
EDGES of the dark forest: A new absorption window into the composite dark matter and large scale structure
Anoma Ganguly, Rishi Khatri, Tuhin S. Roy
Reply to Flambaum and Porsev comment on "21 cm radiation - a new probe of variation in the fine structure constant"
Rishi Khatri, Benjamin D. Wandelt
Unavoidable CMB spectral features and blackbody photosphere of our Universe
Rashid A. Sunyaev, Rishi Khatri
Signatures of composite dark matter in the Cosmic Microwave Background spectral distortions
Anoma Ganguly, Rishi Khatri, Tuhin S. Roy
E and B modes of the CMB y-type distortions: polarised kinetic Sunyaev-Zeldovich effect from the reionisation and post-reionisation eras
Aritra Kumar Gon, Rishi Khatri
Polarized anisotropic spectral distortions of the CMB: Galactic and extragalactic constraints on photon-axion conversion
Suvodip Mukherjee, Rishi Khatri, Benjamin D. Wandelt
New CMB spectral distortion constraints on decaying dark matter with full evolution of electromagnetic cascades before recombination
Sandeep Kumar Acharya, Rishi Khatri
Messengers from the Early Universe: Cosmic Neutrinos and Other Light Relics
Daniel Green, Mustafa A. Amin, Joel Meyers +136
The pairwise and cross-pairwise y-type polarised kinetic Sunyaev Zeldovich effect from transverse velocity of galaxy clusters
Aritra Kumar Gon, Rishi Khatri
Inflation and Dark Energy from spectroscopy at $z > 2$
Simone Ferraro, Michael J. Wilson, Muntazir Abidi +140
Probing the clumping structure of Giant Molecular Clouds through the spectrum, polarisation and morphology of X-ray Reflection Nebulae
Margherita Molaro, Rishi Khatri, Rashid Sunyaev
CMB at 2x2 order: the dissipation of primordial acoustic waves and the observable part of the associated energy release
Jens Chluba, Rishi Khatri, Rashid A. Sunyaev
Dark Neutrino interactions phase out the Hubble tension
Subhajit Ghosh, Rishi Khatri, Tuhin S. Roy
Limits on the fluctuating part of $y$-type distortion monopole from Planck and SPT results
Rishi Khatri, Rashid Sunyaev
Estimators for the cross-pairwise kSZ effect: forecasts for the dark energy and modified gravity parameters with Simons Observatory and CMB-S4
Aritra Kumar Gon, Rishi Khatri
Linearized iterative least-squares (LIL): A parameter fitting algorithm for component separation in multifrequency CMB experiments such as Planck
Rishi Khatri
CMB and BBN constraints on evaporating primordial black holes revisited
Sandeep Kumar Acharya, Rishi Khatri
Constraints on $μ$-distortion fluctuations and primordial non-Gaussianity from Planck data
Rishi Khatri, Rashid Sunyaev
Creation of the CMB spectrum: precise analytic solutions for the blackbody photosphere
Rishi Khatri, Rashid A. Sunyaev
A new probe of Axion-Like Particles: CMB polarization distortions due to cluster magnetic fields
Suvodip Mukherjee, David N. Spergel, Rishi Khatri +1
Fast and precise way to calculate the posterior for the local non-Gaussianity parameter $f_\text{nl}$ from cosmic microwave background observations
Sebastian Dorn, Niels Oppermann, Rishi Khatri +2
Dark neutrino interactions make gravitational waves blue
Subhajit Ghosh, Rishi Khatri, Tuhin S. Roy
Inferences from surface brightness fluctuations of Zwicky 3146 via the Sunyaev-Zeldovich effect and X-ray observations
Charles E. Romero, Massimo Gaspari, Gerrit Schellenberger +16
Detection of WHIM in the Planck data using Stack First approach
Baibhav Singari, Tuhin Ghosh, Rishi Khatri
Mixing of blackbodies: Increasing our view of inflation to 17 e-folds with spectral distortions from Silk damping
Rishi Khatri
Time of primordial Be-7 conversion into Li-7, energy release and doublet of narrow cosmological neutrino lines
Rishi Khatri, Rashid A. Sunyaev
CMB spectral distortions constraints on primordial black holes, cosmic strings and long lived unstable particles revisited
Sandeep Kumar Acharya, Rishi Khatri
Cosmic (super)string constraints from 21 cm radiation
Rishi Khatri, Benjamin D. Wandelt
Crinkles in the last scattering surface: Non-Gaussianity from inhomogeneous recombination
Rishi Khatri, Benjamin D. Wandelt
Rich structure of non-thermal relativistic CMB spectral distortions from high energy particle cascades at redshifts $z\lesssim 2\times 10^5$
Sandeep Kumar Acharya, Rishi Khatri
O-V-S-Z and friends: Non-Gaussianity from inhomogeneous reionization
Rishi Khatri, Benjamin D. Wandelt
Mixing of blackbodies: entropy production and dissipation of sound waves in the early Universe
Rishi Khatri, Rashid A. Sunyaev, Jens Chluba
21 cm radiation - a new probe of variation in the fine structure constant
Rishi Khatri, Benjamin D. Wandelt
Constraints on $N_{\rm{eff}}$ of high energy non-thermal neutrino injections upto $z\sim 10^8$ from CMB spectral distortions and abundance of light elements
Sandeep Kumar Acharya, Rishi Khatri
Recent developments in astrophysical and cosmological exploitation of microwave surveys
Carlo Burigana, Rodney D. Davies, Paolo De Bernardis +13
PRISM (Polarized Radiation Imaging and Spectroscopy Mission): An Extended White Paper
PRISM Collaboration, Philippe André, Carlo Baccigalupi +140
A thin diffuse component of the Galactic Ridge X-ray emission and heating of the interstellar medium contributed by the radiation of Galactic X-ray binaries
Margherita Molaro, Rishi Khatri, Rashid Sunyaev