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6 papers · 2 filters
Herglotz Action for Homogeneous Cosmology
David Sloan
We present an action from which the dynamics of homogeneous cosmologies can be derived. The action has no dependence on scale within the system and hence is more parsimonious in it…
Palatini Quintessential Inflation
Konstantinos Dimopoulos, Alexandros Karam, Samuel Sánchez López +1
We construct a model of quintessential inflation in Palatini gravity employing a scalar field with a simple exponential potential and coupled to gravity with a running non-mi…
Modelling Quintessential Inflation in Palatini Modified Gravity
Konstantinos Dimopoulos, Alexandros Karam, Samuel Sánchez López +1
We study a model of quintessential inflation constructed in modified gravity with a non-minimally coupled scalar field, in the Palatini formalism. Our non-minimal inflaton fi…
First joint observation by the underground gravitational-wave detector, KAGRA, with GEO600
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669
We report the results of the first joint observation of the KAGRA detector with GEO600. KAGRA is a cryogenic and underground gravitational-wave detector consisting of a laser inter…
Search for gravitational waves from Scorpius X-1 with a hidden Markov model in O3 LIGO data
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669
Results are presented for a semi-coherent search for continuous gravitational waves from the low-mass X-ray binary Scorpius X-1, using a hidden Markov model (HMM) to allow for spin…
All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1667
We present results of an all-sky search for continuous gravitational waves which can be produced by spinning neutron stars with an asymmetry around their rotation axis, using data…