Cosmological phase transitions: From perturbative particle physics to gravitational waves
Gravitational waves (GWs) were recently detected for the first time. This revolutionary
discovery opens a new way of learning about particle physics through GWs from first-order …
discovery opens a new way of learning about particle physics through GWs from first-order …
Recent advances in inflation
We review recent trends in inflationary dynamics in the context of viable modified gravity
theories. After providing a general overview of the inflationary paradigm emphasizing on …
theories. After providing a general overview of the inflationary paradigm emphasizing on …
The NANOGrav 15 yr data set: Search for signals from new physics
A Afzal, G Agazie, A Anumarlapudi… - The Astrophysical …, 2023 - iopscience.iop.org
The 15 yr pulsar timing data set collected by the North American Nanohertz Observatory for
Gravitational Waves (NANOGrav) shows positive evidence for the presence of a low …
Gravitational Waves (NANOGrav) shows positive evidence for the presence of a low …
The second data release from the European Pulsar Timing Array-III. Search for gravitational wave signals
We present the results of the search for an isotropic stochastic gravitational wave
background (GWB) at nanohertz frequencies using the second data release of the European …
background (GWB) at nanohertz frequencies using the second data release of the European …
[HTML][HTML] The NANOGrav 15 yr data set: Constraints on supermassive black hole binaries from the gravitational-wave background
G Agazie, A Anumarlapudi, AM Archibald… - The Astrophysical …, 2023 - iopscience.iop.org
The NANOGrav 15 yr data set shows evidence for the presence of a low-frequency
gravitational-wave background (GWB). While many physical processes can source such low …
gravitational-wave background (GWB). While many physical processes can source such low …
The NANOGrav 15 yr data set: Observations and timing of 68 millisecond pulsars
G Agazie, MF Alam, A Anumarlapudi… - The Astrophysical …, 2023 - iopscience.iop.org
We present observations and timing analyses of 68 millisecond pulsars (MSPs) comprising
the 15 yr data set of the North American Nanohertz Observatory for Gravitational Waves …
the 15 yr data set of the North American Nanohertz Observatory for Gravitational Waves …
Recent gravitational wave observation by pulsar timing arrays and primordial black holes: The importance of non-Gaussianities
We study whether the signal seen by pulsar timing arrays (PTAs) may originate from
gravitational waves (GWs) induced by large primordial perturbations. Such perturbations …
gravitational waves (GWs) induced by large primordial perturbations. Such perturbations …
The second data release from the European Pulsar Timing Array-IV. Implications for massive black holes, dark matter, and the early Universe
The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA)
collaborations have measured a low-frequency common signal in the combination of their …
collaborations have measured a low-frequency common signal in the combination of their …
[HTML][HTML] Inflationary interpretation of the stochastic gravitational wave background signal detected by pulsar timing array experiments
S Vagnozzi - Journal of High Energy Astrophysics, 2023 - Elsevier
Various pulsar timing array (PTA) experiments (NANOGrav, EPTA, PPTA, CPTA, including
data from InPTA) very recently reported evidence for excess red common-spectrum signals …
data from InPTA) very recently reported evidence for excess red common-spectrum signals …
The NANOGrav 15 yr data set: Detector characterization and noise budget
G Agazie, A Anumarlapudi, AM Archibald… - The Astrophysical …, 2023 - iopscience.iop.org
Pulsar timing arrays (PTAs) are galactic-scale gravitational wave (GW) detectors. Each
individual arm, composed of a millisecond pulsar, a radio telescope, and a kiloparsecs-long …
individual arm, composed of a millisecond pulsar, a radio telescope, and a kiloparsecs-long …