56 citations · 209 across the 14 of their papers we have counts for
14 papers
The Non-triviality of Dynamical Chern-Simons Gravity and the Standard Model
Stephon Alexander, Heliudson Bernardo, Cyril Creque-Sarbinowski
Given the growing interest in gravitational-wave and cosmological parity-violating effects in dynamical Chern-Simons (dCS) gravity, it is crucial to investigate whether the scalar-…
Higgs Inflation and the Electroweak Gauge Sector
Stephon Alexander, Cyril Creque-Sarbinowski, Humberto Gilmer +1
We introduce a new method that allows for the Higgs to be the inflaton. That is, we let the Higgs be a pseudo-Nambu-Goldstone (pNG) boson of a global coset symmetry that spon…
Magnetic Fields from Compensated Isocurvature Perturbations
Jordan Flitter, Cyril Creque-Sarbinowski, Marc Kamionkowski +1
Compensated isocurvature perturbations (CIPs) are perturbations to the primordial baryon density that are accompanied by dark-matter-density perturbations so that the total matter…
Parity-Violating Trispectrum from Chern-Simons Gravity
Cyril Creque-Sarbinowski, Stephon Alexander, Marc Kamionkowski +1
We show that dynamical Chern-Simons (dCS) gravity imprints a parity-violating signal in primordial scalar perturbations. Specifically, we find that, after dCS amplifies one gravito…
Compact Binary Foreground Subtraction in Next-Generation Ground-Based Observatories
Bei Zhou, Luca Reali, Emanuele Berti +4
The stochastic gravitational-wave backgrounds (SGWBs) for current detectors are dominated by binary black-hole (BBH) and binary neutron-star (BNS) coalescences. The sensitivity of…
Subtracting Compact Binary Foregrounds to Search for Subdominant Gravitational-Wave Backgrounds in Next-Generation Ground-Based Observatories
Bei Zhou, Luca Reali, Emanuele Berti +4
Stochastic gravitational-wave backgrounds (SGWBs) derive from the superposition of numerous individually unresolved gravitational-wave (GW) signals. Detecting SGWBs provides us wit…
Chern-Simons Gravity and Neutrino Self-Interactions
Stephon Alexander, Cyril Creque-Sarbinowski
Dynamical Chern-Simons gravity (dCS) is a four-dimensional parity-violating extension of general relativity. Current models predict the effect of this extension to be negligible du…
High-Energy Astrophysical Neutrinos from Cosmic Strings
Cyril Creque-Sarbinowski, Jeffrey Hyde, Marc Kamionkowski
Cosmic strings that couple to neutrinos may account for a portion of the high-energy astrophysical neutrino (HEAN) flux seen by IceCube. Here, we calculate the observed spectrum of…
Seeking Neutrino Emission from AGN through Temporal and Spatial Cross Correlation
Cyril Creque-Sarbinowski, Marc Kamionkowski, Bei Zhou
Active galactic nuclei (AGN) are a promising source for high-energy astrophysical neutrinos (HEANs). By the end of 2022, the Vera C. Rubin Observatory (VRO) will begin to observe $…
AGN variability in the age of VRO
Cyril Creque-Sarbinowski, Marc Kamionkowski, Bei Zhou
Over the next ten years, the Vera C.\ Rubin Observatory (VRO) will observe 10 million active galactic nuclei (AGN) with a regular and high cadence. During this time, the inte…
Resonant Neutrino Self-Interactions
Cyril Creque-Sarbinowski, Jeffrey Hyde, Marc Kamionkowski
If neutrinos have self-interactions, these will induce scatterings between astrophysical and cosmic neutrinos. Prior work proposed to look for possible resulting resonance features…
Direct millicharged dark matter cannot explain EDGES
Cyril Creque-Sarbinowski, Lingyuan Ji, Ely D. Kovetz +1
Heat transfer between baryons and millicharged dark matter has been invoked as a possible explanation for the anomalous 21-cm absorption signal seen by EDGES. Prior work has shown…
Searching for Decaying and Annihilating Dark Matter with Line Intensity Mapping
Cyril Creque-Sarbinowski, Marc Kamionkowski
The purpose of line-intensity mapping (IM), an emerging tool for extragalactic astronomy and cosmology, is to measure the integrated emission along the line of sight from spectral…
Cross-correlation between thermal Sunyaev-Zeldovich effect and the integrated Sachs-Wolfe effect
Cyril Creque-Sarbinowski, Simeon Bird, Marc Kamionkowski
Large-angle fluctuations in the cosmic microwave background temperature induced by the integrated Sachs-Wolfe effect and Compton-y distortions from the thermal Sunyaev-Zeldovich (t…