Disentangling the Origins of the NANOGrav Signal: Early Universe Models and $ΔN_{eff}$ Bounds
Fuente:
arXiv
Saved in:
| Main Authors: | Ben-Dayan, Ido, Kumar, Utkarsh, Verma, Amresh |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Similar Items
Impact of Low ell's on Large Scale Structure Anomalies
by: Ben-Dayan, Ido, et al.
Published: (2024)
by: Ben-Dayan, Ido, et al.
Published: (2024)
Dark QCD Origin of the NANOGrav Signal and Self-Interacting Dark Matter
by: Wang, Zihan
Published: (2026)
by: Wang, Zihan
Published: (2026)
Primordial Gravitational Wave Background as a Probe of the Primordial Black Holes
by: Kumar, Utkarsh
Published: (2025)
by: Kumar, Utkarsh
Published: (2025)
Gravitational-wave background in bouncing models from semi-classical, quantum and string gravity
by: Ben-Dayan, Ido, et al.
Published: (2024)
by: Ben-Dayan, Ido, et al.
Published: (2024)
Using Gravitational Wave Signals to Disentangle Early Matter Dominated Epochs
by: Pearce, Matthew, et al.
Published: (2025)
by: Pearce, Matthew, et al.
Published: (2025)
Self-interacting dark matter with observable $ΔN_{\rm eff}$
by: Borah, Debasish, et al.
Published: (2025)
by: Borah, Debasish, et al.
Published: (2025)
Primordial Black Hole from Tensor-induced Density Fluctuation: First-order Phase Transitions and Domain Walls
by: Kumar, Utkarsh, et al.
Published: (2026)
by: Kumar, Utkarsh, et al.
Published: (2026)
Constraining the history of reheating with the NANOGrav 15-year data
by: Maity, Suvashis, et al.
Published: (2024)
by: Maity, Suvashis, et al.
Published: (2024)
Gravitational wave signatures of no-scale Supergravity in NANOGrav and beyond
by: Basilakos, Spyros, et al.
Published: (2023)
by: Basilakos, Spyros, et al.
Published: (2023)
Ultra-light dark matter explanation of NANOGrav observations
by: Chowdhury, Debtosh, et al.
Published: (2023)
by: Chowdhury, Debtosh, et al.
Published: (2023)
Cosmological Probes of Lepton Parity Freeze-in Dark Matter: $ΔN_{\rm eff}$ & Gravitational Waves
by: Ma, Ernest, et al.
Published: (2025)
by: Ma, Ernest, et al.
Published: (2025)
The NANOGrav 15 yr Data Set: Running of the Spectral Index
by: Agazie, Gabriella, et al.
Published: (2024)
by: Agazie, Gabriella, et al.
Published: (2024)
Islands in Bianchi type-I Universe
by: Ben-Dayan, Ido, et al.
Published: (2024)
by: Ben-Dayan, Ido, et al.
Published: (2024)
Effective theory of light Dirac neutrino portal dark matter with observable ${ΔN_{\rm eff}}$
by: Borah, Debasish, et al.
Published: (2025)
by: Borah, Debasish, et al.
Published: (2025)
Revised bounds on local cosmic strings from NANOGrav observations
by: Kume, Jun'ya, et al.
Published: (2024)
by: Kume, Jun'ya, et al.
Published: (2024)
CMB signatures of gravity-mediated dark radiation in $\mathbf{ΔN_{\rm eff}}$
by: Ghoshal, Anish, et al.
Published: (2026)
by: Ghoshal, Anish, et al.
Published: (2026)
Search for Non-Tensorial Gravitational-Wave Backgrounds in the NANOGrav 15-Year Data Set
by: Chen, Zu-Cheng, et al.
Published: (2023)
by: Chen, Zu-Cheng, et al.
Published: (2023)
Non-tensorial Gravitational Wave Background in NANOGrav 12.5-Year Data Set
by: Chen, Zu-Cheng, et al.
Published: (2021)
by: Chen, Zu-Cheng, et al.
Published: (2021)
Constraints on ultra-slow-roll inflation with the NANOGrav 15-Year Dataset
by: Mu, Bo, et al.
Published: (2023)
by: Mu, Bo, et al.
Published: (2023)
Pulsar Timing Array Constraints on Primordial Black Holes with NANOGrav 11-Year Data Set
by: Chen, Zu-Cheng, et al.
Published: (2019)
by: Chen, Zu-Cheng, et al.
Published: (2019)
Gravitational wave signatures of non-singular matter bouncing cosmology in NANOGrav and beyond
by: Papanikolaou, Theodoros
Published: (2025)
by: Papanikolaou, Theodoros
Published: (2025)
Connecting Inflation to the NANOGrav 15-year Data Set via Massive Gravity
by: Kenjale, Ved, et al.
Published: (2024)
by: Kenjale, Ved, et al.
Published: (2024)
The NANOGrav 15 yr Data Set: Piecewise Power-Law Reconstruction of the Gravitational-Wave Background
by: Agazie, Gabriella, et al.
Published: (2026)
by: Agazie, Gabriella, et al.
Published: (2026)
Singlet-doublet fermion dark matter with Dirac neutrino mass, $(g-2)_μ$ and $ΔN_{\rm eff}$
by: Borah, Debasish, et al.
Published: (2023)
by: Borah, Debasish, et al.
Published: (2023)
NANOGrav hints for first-order confinement-deconfinement phase transition in different QCD-matter scenarios
by: Chen, Zu-Cheng, et al.
Published: (2023)
by: Chen, Zu-Cheng, et al.
Published: (2023)
Cosmic superstrings, metastable strings and ultralight primordial black holes: from NANOGrav to LIGO and beyond
by: Datta, Satyabrata, et al.
Published: (2024)
by: Datta, Satyabrata, et al.
Published: (2024)
Observable gravitational waves and $ΔN_{\rm eff}$ with global lepton number symmetry and dark matter
by: Borah, Debasish, et al.
Published: (2024)
by: Borah, Debasish, et al.
Published: (2024)
Cosmological Implications of Gauged $U(1)_{B-L}$ on $ΔN_{\rm eff}$ in the CMB and BBN
by: Esseili, Haidar, et al.
Published: (2023)
by: Esseili, Haidar, et al.
Published: (2023)
NANOGrav 15-year gravitational-wave signals from binary supermassive black-holes seeded by primordial black holes
by: Kobayashi, Mikage U., et al.
Published: (2025)
by: Kobayashi, Mikage U., et al.
Published: (2025)
Mini-review on the production of Primordial Black Holes from First-Order Phase Transitions in the Early Universe
by: Banerjee, Indra Kumar, et al.
Published: (2025)
by: Banerjee, Indra Kumar, et al.
Published: (2025)
Reconstructing inflationary potential from NANOGrav 15-year Data: A robust study using Non-Bunch Davies initial condition
by: Choudhury, Sayantan
Published: (2024)
by: Choudhury, Sayantan
Published: (2024)
Stochastic gravitational wave background detection using NANOGrav 15-year data set in the context of massive gravity
by: Choi, Chris, et al.
Published: (2023)
by: Choi, Chris, et al.
Published: (2023)
Self-Interacting Dark-Matter Spikes and the Final-Parsec Problem: Bayesian constraints from the NANOGrav 15-Year Gravitational-Wave Background
by: Tiruvaskar, Shreyas, et al.
Published: (2025)
by: Tiruvaskar, Shreyas, et al.
Published: (2025)
Upper Bounds on the Mass of Fundamental Fields from Primordial Universe
by: Firouzjahi, Hassan
Published: (2024)
by: Firouzjahi, Hassan
Published: (2024)
Halo Formation from Yukawa Forces in the Very Early Universe
by: Domènech, Guillem, et al.
Published: (2023)
by: Domènech, Guillem, et al.
Published: (2023)
Axion-Gauge Dynamics During Inflation as the Origin of Pulsar Timing Array Signals and Primordial Black Holes
by: Unal, Caner, et al.
Published: (2023)
by: Unal, Caner, et al.
Published: (2023)
Imprints of Early Universe Cosmology on Gravitational Waves
by: Dent, James B., et al.
Published: (2024)
by: Dent, James B., et al.
Published: (2024)
Investigating the Origin of CMB Large-Scale Features Using LiteBIRD and CMB-S4
by: Petretti, Catherine, et al.
Published: (2024)
by: Petretti, Catherine, et al.
Published: (2024)
The spatial correlations between pulsars for interfering sources in Pulsar Timing Array and evidence for gravitational-wave background in NANOGrav 15-year data set
by: Wu, Yu-Mei, et al.
Published: (2024)
by: Wu, Yu-Mei, et al.
Published: (2024)
Gravitational Wave Signals From Early Matter Domination: Interpolating Between Fast and Slow Transitions
by: Pearce, Matthew, et al.
Published: (2023)
by: Pearce, Matthew, et al.
Published: (2023)
Similar Items
-
Impact of Low ell's on Large Scale Structure Anomalies
by: Ben-Dayan, Ido, et al.
Published: (2024) -
Dark QCD Origin of the NANOGrav Signal and Self-Interacting Dark Matter
by: Wang, Zihan
Published: (2026) -
Primordial Gravitational Wave Background as a Probe of the Primordial Black Holes
by: Kumar, Utkarsh
Published: (2025) -
Gravitational-wave background in bouncing models from semi-classical, quantum and string gravity
by: Ben-Dayan, Ido, et al.
Published: (2024) -
Using Gravitational Wave Signals to Disentangle Early Matter Dominated Epochs
by: Pearce, Matthew, et al.
Published: (2025)