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The primordial "f_NL" non-Gaussianity, and perturbations beyond the present horizon
Jaiseung Kim, Pavel Naselsky
We show a primordial non-linear "f_NL" term may produce unphysically large CMB anisotropy for a red-tilted primordial power spectrum (n<1), because of coupling to primordial fluctu…
The Gauss-Legendre Sky Pixelization for the CMB polarization (GLESP-pol). Errors due to pixelization of the CMB sky
Andrei G. Doroshkevich, Oleg V. Verkhodanov, Pavel D. Naselsky +6
We present developing of method of the numerical analysis of polarization in the Gauss--Legendre Sky Pixelization (GLESP) scheme for the CMB maps. This incorporation of the polariz…
Cosmological Alfvén waves in the recent CMB data, and the observational bound on the primordial vector perturbation
Jaiseung Kim, Pavel Naselsky
In the presence of the primordial magnetic field, initial vector (vorticity) perturbations produce cosmological Alfven waves and leave imprints on cosmic microwave background (CMB)…