no code implementations • 17 Feb 2021 • Panagiotis Charalambous, Sergei Dubovsky, Mikhail M. Ivanov
We also show that the dissipative part of the response does not vanish even for static perturbations due to frame-dragging.
High Energy Physics - Theory General Relativity and Quantum Cosmology
no code implementations • 7 Sep 2020 • Oliver H. E. Philcox, Mikhail M. Ivanov, Matias Zaldarriaga, Marko Simonovic, Marcel Schmittfull
The procedure is validated with full-shape analyses of power spectra from BOSS DR12 mock catalogs, showing that the 96-bin power spectra can be replaced by 12 subspace coefficients without biasing the output cosmology; this allows for accurate parameter inference using only $\sim 100$ mocks.
Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics High Energy Physics - Theory Data Analysis, Statistics and Probability
1 code implementation • 1 Sep 2020 • Digvijay Wadekar, Mikhail M. Ivanov, Roman Scoccimarro
We use analytic covariance matrices to carry out a full-shape analysis of the galaxy power spectrum multipoles from the Baryon Oscillation Spectroscopic Survey (BOSS).
Cosmology and Nongalactic Astrophysics
4 code implementations • 22 Apr 2020 • Anton Chudaykin, Mikhail M. Ivanov, Marko Simonović
We present a new open-source code that calculates one-loop power spectra and cross spectra for matter fields and biased tracers in real and redshift space.
Cosmology and Nongalactic Astrophysics
1 code implementation • 18 Mar 2020 • Takahiro Nishimichi, Guido D'Amico, Mikhail M. Ivanov, Leonardo Senatore, Marko Simonović, Masahiro Takada, Matias Zaldarriaga, Pierre Zhang
An accurate theoretical template for the galaxy power spectrum is a key for the success of ongoing and future spectroscopic surveys.
Cosmology and Nongalactic Astrophysics
no code implementations • 10 Feb 2020 • Oliver H. E. Philcox, Mikhail M. Ivanov, Marko Simonović, Matias Zaldarriaga
We present cosmological constraints from a joint analysis of the pre- and post-reconstruction galaxy power spectrum multipoles from the final data release of the Baryon Oscillation Spectroscopic Survey (BOSS).
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Phenomenology
no code implementations • 17 Dec 2019 • Mikhail M. Ivanov, Marko Simonović, Matias Zaldarriaga
We present a joint analysis of the Planck cosmic microwave background (CMB) and Baryon Oscillation Spectroscopic Survey (BOSS) final data releases.
Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
no code implementations • 11 Sep 2019 • Mikhail M. Ivanov, Marko Simonović, Matias Zaldarriaga
We present cosmological parameter measurements from the publicly available Baryon Oscillation Spectroscopic Survey (BOSS) data on anisotropic galaxy clustering in Fourier space.
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Phenomenology
no code implementations • 15 Jul 2019 • Anton Chudaykin, Mikhail M. Ivanov
We present a Markov-Chain Monte-Carlo (MCMC) forecast for the precision of neutrino mass and cosmological parameter measurements with a Euclid-like galaxy clustering survey.
Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
