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This is March’s edition of the newsletter of the COST action. The aim is to keep you updated on recent and upcoming conferences and postdoc positions on subjects related to WISPs.
https://arxiv.org/abs/2502.17519
This review explores modified theories of gravity, particularly f(R) gravity, as extensions to General Relativity (GR) that offer alternatives to dark energy for explaining cosmic acceleration. These models generalize the Einstein-Hilbert action to include functions of the Ricci scalar, providing new insights into cosmology and astrophysics. The detection of gravitational waves (GWs) has enabled rigorous tests of f(R) gravity, as deviations in GW propagation, speed, and polarization can signal modifications to GR. Constraints on f(R) models arise from LIGO-Virgo observations of binary mergers, the stochastic gravitational wave background (SGWB), and complementary tests in cosmology and weak-field regimes. Future GW detectors, such as LISA and the Einstein Telescope, will enhance sensitivity to smaller deviations from GR, necessitating advancements in theoretical modeling. Among competing theories -- including scalar-tensor, massive gravity, and Horndeski models -- f(R) gravity remains a pivotal framework for understanding fundamental gravitational physics and cosmology. This review highlights key developments, challenges, and future directions in the field.
We encourage participants in the COST action to send us a small summary, typically smaller than the abstract, of their own articles that will appear in the arXiv (after they appear, with their arXiv numbers). The summary will be disseminated in the newsletter.
Send email to
Alessandro Lella alessandro.lella@ba.infn.it
Damiano Fiorillo damianofg@gmail.com
with subject: preprint summary for Cosmic WISPers newsletter.
DIAS Full Professor in Physics link
Postdoctoral position in Theoretical Astroparticle Physics, Brussels link
PhD position on SNO+ Neutrino experiment, Sussex link
PhD position on Theoretical Particle Physics Phenomenology, DESY link
Three Tenure-track Theory positions in Particle Astrophysics, Cosmology and Physics at Astrocent, Warsaw link
Expression of interest for postdoctoral positions in Particle Physics Phenomenology, INFN, Padua link
Postdoctoral Fellow on Dark Matter direct detection experiment, Michigan link
PhD position on XLZD, London link
Postdoc on coherence neutrino scattering NUCLEUS, Vienna link
Postdoc position in PandaX experiment, Shanghai link
Theoretical aspects of dark matter searches, U. Sao Paulo, Brazil link
Postdoc in experimental astroparticle physics on ALPHA, Stockolm link
Postdoc in experimental astroparticle physics at XENONnT, Weizmann Inst. link
PhD position in experimental dark matter detection, Vienna link
Direct search for axion with MADMAX, Marseille link
Direct detection of light dark matter, Zurich link
5th Annual EuCAPT Symposium link
Summer Conference on High Energy Physics & Astrophysics link
Dark matter and neutrinos link
NEHOP’25 - New Horizons in Primordial Black Hole Physics link
Planck 2025 link
Tabletop Scale Cosmology 2025 link
Dark Matter 2025: From the Smallest to the Largest Scales (DM2025) link
UK-Astroparticle Physics Phenomenology: Spring 2025 (UK-APP) link
Valencia Workshop on the Small-Scale Structure of the Universe and Self-Interacting Dark Matter link
Making Neutron Stars a Laboratory for New Physics link
Dark tools link
Axions in Stockholm link
Les Houches Summer School 2025: The Dark Universe link
Dark Side of the Universe 2025 (DSU-2025) link
International Conference "Dark Matter and Stars: Multi-Messenger Probes of Dark Matter and Modified Gravity" (ICDMS2025) link
11th Summer School in Particle and Astroparticle Physics (GRASPA2025) link
30th International Symposium on Particles, Strings and Cosmology(PASCOS 2025) link
Windows into New Physics in the Sky link
3rd General Meeting of the COST Action: Cosmic WISPers (CA21106) link
3rd Training School of the COST Action: Cosmic WISPers (CA21106) link
Light Dark World 2025 (LDW 2025) link
20th Patras Workshop on Axions WIMPs and WISPs link
28th International Conference on Particle Physics & Cosmology (COSMO-25) link
Strings & Cosmology Meeting link