WG2 Online Meetings
from
Friday, 1 November 2024 (00:00)
to
Sunday, 1 November 2026 (23:59)
Monday, 28 October 2024
Tuesday, 29 October 2024
Wednesday, 30 October 2024
Thursday, 31 October 2024
Friday, 1 November 2024
Saturday, 2 November 2024
Sunday, 3 November 2024
Monday, 4 November 2024
Tuesday, 5 November 2024
Wednesday, 6 November 2024
Thursday, 7 November 2024
Friday, 8 November 2024
Saturday, 9 November 2024
Sunday, 10 November 2024
Monday, 11 November 2024
Tuesday, 12 November 2024
Wednesday, 13 November 2024
Thursday, 14 November 2024
Friday, 15 November 2024
Saturday, 16 November 2024
Sunday, 17 November 2024
Monday, 18 November 2024
Tuesday, 19 November 2024
Wednesday, 20 November 2024
Thursday, 21 November 2024
Friday, 22 November 2024
Saturday, 23 November 2024
Sunday, 24 November 2024
Monday, 25 November 2024
Tuesday, 26 November 2024
Wednesday, 27 November 2024
Thursday, 28 November 2024
Friday, 29 November 2024
14:00
Experimental targets for dark photon dark matter
-
David Cyncynates
(
U. Washington, Seattle, USA
)
Experimental targets for dark photon dark matter
David Cyncynates
(
U. Washington, Seattle, USA
)
14:00 - 15:00
Ultralight dark photon dark matter features distinctive cosmological and astrophysical signatures and is also supported by burgeoning direct-detection program searching for its kinetic mixing with the ordinary photon over a wide mass range. However, dark photons cannot necessarily constitute dark matter across all of this parameter space. In this talk, I will show that in minimal models where the dark photon mass originate from a dark Higgs mechanism, early Universe dynamics can often breach the regime of validity of the Proca effective action. In the process, the dark sector can collapse into a cosmic string network, precluding dark photons a viable dark matter, and motivating certain regions of mass-coupling parameter space over others. I will then turn the argument on its head and address to what extent a discovery of a dark photon by any proposed haloscope would imply a more complex dark sector.
Saturday, 30 November 2024
Sunday, 1 December 2024
Monday, 2 December 2024
Tuesday, 3 December 2024
Wednesday, 4 December 2024
Thursday, 5 December 2024
Friday, 6 December 2024
Saturday, 7 December 2024
Sunday, 8 December 2024
Monday, 9 December 2024
Tuesday, 10 December 2024
Wednesday, 11 December 2024
Thursday, 12 December 2024
Friday, 13 December 2024
Saturday, 14 December 2024
Sunday, 15 December 2024
Monday, 16 December 2024
Tuesday, 17 December 2024
Wednesday, 18 December 2024
Thursday, 19 December 2024
Friday, 20 December 2024
Saturday, 21 December 2024
Sunday, 22 December 2024
Monday, 23 December 2024
Tuesday, 24 December 2024
Wednesday, 25 December 2024
Thursday, 26 December 2024
Friday, 27 December 2024
Saturday, 28 December 2024
Sunday, 29 December 2024
Monday, 30 December 2024
Tuesday, 31 December 2024
Wednesday, 1 January 2025
Thursday, 2 January 2025
Friday, 3 January 2025
Saturday, 4 January 2025
Sunday, 5 January 2025
Monday, 6 January 2025
Tuesday, 7 January 2025
Wednesday, 8 January 2025
Thursday, 9 January 2025
Friday, 10 January 2025
Saturday, 11 January 2025
Sunday, 12 January 2025
Monday, 13 January 2025
Tuesday, 14 January 2025
Wednesday, 15 January 2025
Thursday, 16 January 2025
Friday, 17 January 2025
Saturday, 18 January 2025
Sunday, 19 January 2025
Monday, 20 January 2025
Tuesday, 21 January 2025
Wednesday, 22 January 2025
Thursday, 23 January 2025
Friday, 24 January 2025
Saturday, 25 January 2025
Sunday, 26 January 2025
Monday, 27 January 2025
Tuesday, 28 January 2025
Wednesday, 29 January 2025
Thursday, 30 January 2025
Friday, 31 January 2025
14:00
New avenues to probe Fuzzy Dark Matter
-
Juan Urrutia
(
NICPB and Tallinn Technical University, Estonia
)
New avenues to probe Fuzzy Dark Matter
Juan Urrutia
(
NICPB and Tallinn Technical University, Estonia
)
14:00 - 15:00
Based on two different effects that FDM produces on DM halos, making a core at the center and preventing the formation of very light ones. I will show constraints and propose new avenues based on new observations and techniques to probe the ultralight end of the DM mass.
Saturday, 1 February 2025
Sunday, 2 February 2025
Monday, 3 February 2025
Tuesday, 4 February 2025
Wednesday, 5 February 2025
Thursday, 6 February 2025
Friday, 7 February 2025
Saturday, 8 February 2025
Sunday, 9 February 2025
Monday, 10 February 2025
Tuesday, 11 February 2025
Wednesday, 12 February 2025
Thursday, 13 February 2025
Friday, 14 February 2025
Saturday, 15 February 2025
Sunday, 16 February 2025
Monday, 17 February 2025
Tuesday, 18 February 2025
Wednesday, 19 February 2025
Thursday, 20 February 2025
Friday, 21 February 2025
Saturday, 22 February 2025
Sunday, 23 February 2025
Monday, 24 February 2025
Tuesday, 25 February 2025
Wednesday, 26 February 2025
Thursday, 27 February 2025
Friday, 28 February 2025
Saturday, 1 March 2025
Sunday, 2 March 2025
Monday, 3 March 2025
Tuesday, 4 March 2025
Wednesday, 5 March 2025
Thursday, 6 March 2025
Friday, 7 March 2025
14:00
Gravitational wave signatures of dark matter around binary black holes
-
Josu Aurrekoetxea
(
MIT, USA
)
Gravitational wave signatures of dark matter around binary black holes
Josu Aurrekoetxea
(
MIT, USA
)
14:00 - 15:00
Some of the most well-motivated extensions of the Standard Model of particle physics introduce light scalar fields to explain the origin of dark matter. These fields interact with black holes and can alter the gravitational waveforms produced by binary merger events. In this talk, I will discuss the use of numerical relativity simulations to study these signatures.
Saturday, 8 March 2025
Sunday, 9 March 2025
Monday, 10 March 2025
Tuesday, 11 March 2025
Wednesday, 12 March 2025
Thursday, 13 March 2025
Friday, 14 March 2025
Saturday, 15 March 2025
Sunday, 16 March 2025
Monday, 17 March 2025
Tuesday, 18 March 2025
Wednesday, 19 March 2025
Thursday, 20 March 2025
Friday, 21 March 2025
Saturday, 22 March 2025
Sunday, 23 March 2025
Monday, 24 March 2025
Tuesday, 25 March 2025
Wednesday, 26 March 2025
Thursday, 27 March 2025
Friday, 28 March 2025
Saturday, 29 March 2025
Sunday, 30 March 2025
Monday, 31 March 2025
Tuesday, 1 April 2025
Wednesday, 2 April 2025
Thursday, 3 April 2025
Friday, 4 April 2025
Saturday, 5 April 2025
Sunday, 6 April 2025
Monday, 7 April 2025
Tuesday, 8 April 2025
Wednesday, 9 April 2025
Thursday, 10 April 2025
Friday, 11 April 2025
Saturday, 12 April 2025
Sunday, 13 April 2025
Monday, 14 April 2025
Tuesday, 15 April 2025
Wednesday, 16 April 2025
Thursday, 17 April 2025
Friday, 18 April 2025
Saturday, 19 April 2025
Sunday, 20 April 2025
Monday, 21 April 2025
Tuesday, 22 April 2025
Wednesday, 23 April 2025
Thursday, 24 April 2025
Friday, 25 April 2025
Saturday, 26 April 2025
Sunday, 27 April 2025
Monday, 28 April 2025
Tuesday, 29 April 2025
Wednesday, 30 April 2025
Thursday, 1 May 2025
Friday, 2 May 2025
Saturday, 3 May 2025
Sunday, 4 May 2025
Monday, 5 May 2025
Tuesday, 6 May 2025
Wednesday, 7 May 2025
Thursday, 8 May 2025
Friday, 9 May 2025
14:00
Axion Acoustic Misalignment Mechanism
-
Raymond Co
(
Indiana U. USA
)
Axion Acoustic Misalignment Mechanism
Raymond Co
(
Indiana U. USA
)
14:00 - 15:00
We established a paradigm where the (QCD) axion’s novel cosmological evolution, a rotation in field space, simultaneously accounts for the observed dark matter abundance and baryon asymmetry of the Universe: axion cogenesis. This rotation is initiated by explicit Peccei-Quinn (PQ) symmetry breaking active in the early Universe as predicted by quantum gravity. Through Standard Model sphaleron processes, the associated PQ charge can be transferred to a baryon asymmetry via axiogenesis or through various extensions involving B-L violation. In earlier work, we demonstrated that axion dark matter can arise from kinetic misalignment, where kinetic energy dominates over potential. More recently, we identified a novel origin of axion dark matter arising directly from axion rotation: fluctuations in axion rotation energy—sourced by adiabatic or isocurvature perturbations—manifest as phonon modes of the PQ charge condensate. These fluctuations redshift to behave as axion cold or warm dark matter. We present this axion acoustic misalignment mechanism and its implications for predictions across a range of axiogenesis scenarios.
Saturday, 10 May 2025
Sunday, 11 May 2025
Monday, 12 May 2025
Tuesday, 13 May 2025
Wednesday, 14 May 2025
Thursday, 15 May 2025
Friday, 16 May 2025
Saturday, 17 May 2025
Sunday, 18 May 2025
Monday, 19 May 2025
Tuesday, 20 May 2025
Wednesday, 21 May 2025
Thursday, 22 May 2025
Friday, 23 May 2025
Saturday, 24 May 2025
Sunday, 25 May 2025
Monday, 26 May 2025
Tuesday, 27 May 2025
Wednesday, 28 May 2025
Thursday, 29 May 2025
Friday, 30 May 2025
Saturday, 31 May 2025
Sunday, 1 June 2025
Monday, 2 June 2025
Tuesday, 3 June 2025
Wednesday, 4 June 2025
Thursday, 5 June 2025
Friday, 6 June 2025
Saturday, 7 June 2025
Sunday, 8 June 2025
Monday, 9 June 2025
Tuesday, 10 June 2025
Wednesday, 11 June 2025
Thursday, 12 June 2025
Friday, 13 June 2025
Saturday, 14 June 2025
Sunday, 15 June 2025
Monday, 16 June 2025
Tuesday, 17 June 2025
Wednesday, 18 June 2025
Thursday, 19 June 2025
14:00
Diverse dark matter haloes in Two-field Fuzzy Dark Matter
-
Nhan Luu Hoang
(
DIPC, San Sebastián, Spain
)
Diverse dark matter haloes in Two-field Fuzzy Dark Matter
Nhan Luu Hoang
(
DIPC, San Sebastián, Spain
)
14:00 - 15:00
Fuzzy dark matter (FDM) is a compelling candidate for dark matter, offering a natural explanation for the structure of diffuse low-mass haloes. However, the canonical FDM model with a mass of $10^{-22}~{\rm eV}$ encounters challenges in reproducing the observed diversity of dwarf galaxies, except for scenarios where strong galactic feedback is invoked. The introduction of multiple-field FDM can provide a potential resolution to this diversity issue. The theoretical plausibility of this dark matter model is also enhanced by the fact that multiple axion species with logarithmically-distributed mass spectrum exist as a generic prediction of string theory. In this talk, I consider the axiverse hypothesis and investigate non-linear structure formation in the two-field fuzzy dark matter (2FDM) model.
Friday, 20 June 2025
Saturday, 21 June 2025
Sunday, 22 June 2025
Monday, 23 June 2025
Tuesday, 24 June 2025
Wednesday, 25 June 2025
Thursday, 26 June 2025
Friday, 27 June 2025
Saturday, 28 June 2025
Sunday, 29 June 2025
Monday, 30 June 2025
Tuesday, 1 July 2025
Wednesday, 2 July 2025
Thursday, 3 July 2025
Friday, 4 July 2025
Saturday, 5 July 2025
Sunday, 6 July 2025
Monday, 7 July 2025
Tuesday, 8 July 2025
Wednesday, 9 July 2025
Thursday, 10 July 2025
Friday, 11 July 2025
Saturday, 12 July 2025
Sunday, 13 July 2025
Monday, 14 July 2025
Tuesday, 15 July 2025
Wednesday, 16 July 2025
Thursday, 17 July 2025
Friday, 18 July 2025
Saturday, 19 July 2025
Sunday, 20 July 2025
Monday, 21 July 2025
Tuesday, 22 July 2025
Wednesday, 23 July 2025
Thursday, 24 July 2025
Friday, 25 July 2025
Saturday, 26 July 2025
Sunday, 27 July 2025
Monday, 28 July 2025
Tuesday, 29 July 2025
Wednesday, 30 July 2025
Thursday, 31 July 2025
Friday, 1 August 2025
Saturday, 2 August 2025
Sunday, 3 August 2025
Monday, 4 August 2025
Tuesday, 5 August 2025
Wednesday, 6 August 2025
Thursday, 7 August 2025
Friday, 8 August 2025
Saturday, 9 August 2025
Sunday, 10 August 2025
Monday, 11 August 2025
Tuesday, 12 August 2025
Wednesday, 13 August 2025
Thursday, 14 August 2025
Friday, 15 August 2025
Saturday, 16 August 2025
Sunday, 17 August 2025
Monday, 18 August 2025
Tuesday, 19 August 2025
Wednesday, 20 August 2025
Thursday, 21 August 2025
Friday, 22 August 2025
Saturday, 23 August 2025
Sunday, 24 August 2025
Monday, 25 August 2025
Tuesday, 26 August 2025
Wednesday, 27 August 2025
Thursday, 28 August 2025
Friday, 29 August 2025
Saturday, 30 August 2025
Sunday, 31 August 2025
Monday, 1 September 2025
Tuesday, 2 September 2025
Wednesday, 3 September 2025
Thursday, 4 September 2025
Friday, 5 September 2025
Saturday, 6 September 2025
Sunday, 7 September 2025
Monday, 8 September 2025
Tuesday, 9 September 2025
Wednesday, 10 September 2025
Thursday, 11 September 2025
Friday, 12 September 2025
Saturday, 13 September 2025
Sunday, 14 September 2025
Monday, 15 September 2025
Tuesday, 16 September 2025
Wednesday, 17 September 2025
Thursday, 18 September 2025
Friday, 19 September 2025
Saturday, 20 September 2025
Sunday, 21 September 2025
Monday, 22 September 2025
Tuesday, 23 September 2025
Wednesday, 24 September 2025
Thursday, 25 September 2025
Friday, 26 September 2025
Saturday, 27 September 2025
Sunday, 28 September 2025
Monday, 29 September 2025
Tuesday, 30 September 2025
Wednesday, 1 October 2025
Thursday, 2 October 2025
14:00
Adiabatic Fluctuations and the Axion Power Spectrum -- Pathways to Minicluster Formation
-
Ahmed Ayad
(
Bielefeld U., Germany
)
Adiabatic Fluctuations and the Axion Power Spectrum -- Pathways to Minicluster Formation
Ahmed Ayad
(
Bielefeld U., Germany
)
14:00 - 15:00
Axions and axion-like particles are well-motivated dark matter candidates whose field fluctuations can seed the formation of gravitationally bound structures known as axion miniclusters. Traditionally, minicluster formation has been considered a distinct feature of the post-inflationary Peccei–Quinn symmetry-breaking scenario, while the pre-inflationary case was thought to suppress such fluctuations. In this talk, I will present our recent results on how adiabatic temperature fluctuations of the primordial plasma influence the evolution of axion density perturbations and their power spectrum. We find that these adiabatic fluctuations can exceed the impact of quantum fluctuations by up to five orders of magnitude for fa/Hinf ≳ 104, opening the possibility of minicluster formation even in the pre-inflationary scenario. This result implies that the presence of axion miniclusters may not provide a clear distinction between pre- and post-inflationary axion cosmologies. I will summarize the theoretical framework, present our numerical findings, and discuss the broader implications for dark matter phenomenology.
Friday, 3 October 2025
Saturday, 4 October 2025
Sunday, 5 October 2025
Monday, 6 October 2025
Tuesday, 7 October 2025
Wednesday, 8 October 2025
Thursday, 9 October 2025
Friday, 10 October 2025
Saturday, 11 October 2025
Sunday, 12 October 2025
Monday, 13 October 2025
Tuesday, 14 October 2025
Wednesday, 15 October 2025
Thursday, 16 October 2025
Friday, 17 October 2025
Saturday, 18 October 2025
Sunday, 19 October 2025
Monday, 20 October 2025
Tuesday, 21 October 2025
Wednesday, 22 October 2025
Thursday, 23 October 2025
Friday, 24 October 2025
Saturday, 25 October 2025
Sunday, 26 October 2025
Monday, 27 October 2025
Tuesday, 28 October 2025
Wednesday, 29 October 2025
Thursday, 30 October 2025
Friday, 31 October 2025
Saturday, 1 November 2025
Sunday, 2 November 2025
Monday, 3 November 2025
Tuesday, 4 November 2025
Wednesday, 5 November 2025
Thursday, 6 November 2025
Friday, 7 November 2025
14:00
Topological defects in a multi-axion system and a new contribution to the QCD axion domain wall problem
-
Fuminobu Takahashi
(
Tohoku U., Japan
)
Topological defects in a multi-axion system and a new contribution to the QCD axion domain wall problem
Fuminobu Takahashi
(
Tohoku U., Japan
)
14:00 - 15:00
The formation and evolution of topological defects can be radically altered by multiple axions with mixings. We examine the resulting string wall network in multi-axion models and discover that high-tension domain walls often persist, resurrecting the cosmological domain wall problem, even when the vacuum is unique. In certain regimes, the network collapses into string bundles: composite objects in which several global strings are bound together by domain walls. This dynamics also provides a new solution to the QCD axion domain wall problem. Introducing an additional massless (or sufficiently light) axion coupled to gluons causes the QCD axion domain walls to be bounded by the new axion strings and convert them into string bundles. These string bundles couple to photons and remain stable or long-lived, producing distinctive signal such as CMB anisotropies, cosmic birefringence, and gravitational waves.
Saturday, 8 November 2025
Sunday, 9 November 2025
Monday, 10 November 2025
Tuesday, 11 November 2025
Wednesday, 12 November 2025
Thursday, 13 November 2025
Friday, 14 November 2025
Saturday, 15 November 2025
Sunday, 16 November 2025
Monday, 17 November 2025
Tuesday, 18 November 2025
Wednesday, 19 November 2025
Thursday, 20 November 2025
Friday, 21 November 2025
Saturday, 22 November 2025
Sunday, 23 November 2025
Monday, 24 November 2025
Tuesday, 25 November 2025
Wednesday, 26 November 2025
Thursday, 27 November 2025
Friday, 28 November 2025
Saturday, 29 November 2025
Sunday, 30 November 2025
Monday, 1 December 2025
Tuesday, 2 December 2025
Wednesday, 3 December 2025
Thursday, 4 December 2025
Friday, 5 December 2025
14:00
Dark Radiation from the Axiverse
-
Chris Dessert
(
Flatiron Institute, USA
)
Dark Radiation from the Axiverse
Chris Dessert
(
Flatiron Institute, USA
)
14:00 - 15:00
The presence of multiple light axions in the infrared is a generic feature of many ultraviolet (UV) scenarios, including string theory. The number of such axions N can naturally be O(10-100). Even in the scenario where these axions interact very weakly with the Standard Model (SM), the presence of N light axions poses a challenge to the stringent constraint on the number of relativistic degrees of freedom N_eff. I will parametrize the interaction of N axions with the Standard Model (SM) to quantify the contribution to N_eff, paying particular attention to the possible flavor structures of the axion-SM fermion couplings. For various such choices, I will identify the discovery space for current and future cosmic microwave background surveys.
Saturday, 6 December 2025
Sunday, 7 December 2025
Monday, 8 December 2025
Tuesday, 9 December 2025
Wednesday, 10 December 2025
Thursday, 11 December 2025
Friday, 12 December 2025
Saturday, 13 December 2025
Sunday, 14 December 2025
Monday, 15 December 2025
Tuesday, 16 December 2025
Wednesday, 17 December 2025
Thursday, 18 December 2025
Friday, 19 December 2025
Saturday, 20 December 2025
Sunday, 21 December 2025
Monday, 22 December 2025
Tuesday, 23 December 2025
Wednesday, 24 December 2025
Thursday, 25 December 2025
Friday, 26 December 2025
Saturday, 27 December 2025
Sunday, 28 December 2025
Monday, 29 December 2025
Tuesday, 30 December 2025
Wednesday, 31 December 2025
Thursday, 1 January 2026
Friday, 2 January 2026
Saturday, 3 January 2026
Sunday, 4 January 2026
Monday, 5 January 2026
Tuesday, 6 January 2026
Wednesday, 7 January 2026
Thursday, 8 January 2026
Friday, 9 January 2026
Saturday, 10 January 2026
Sunday, 11 January 2026
Monday, 12 January 2026
Tuesday, 13 January 2026
Wednesday, 14 January 2026
Thursday, 15 January 2026
Friday, 16 January 2026
Saturday, 17 January 2026
Sunday, 18 January 2026
Monday, 19 January 2026
Tuesday, 20 January 2026
Wednesday, 21 January 2026
Thursday, 22 January 2026
Friday, 23 January 2026
Saturday, 24 January 2026
Sunday, 25 January 2026
Monday, 26 January 2026
Tuesday, 27 January 2026
Wednesday, 28 January 2026
Thursday, 29 January 2026
Friday, 30 January 2026
Saturday, 31 January 2026
Sunday, 1 February 2026
Monday, 2 February 2026
Tuesday, 3 February 2026
Wednesday, 4 February 2026
Thursday, 5 February 2026
Friday, 6 February 2026
Saturday, 7 February 2026
Sunday, 8 February 2026
Monday, 9 February 2026
Tuesday, 10 February 2026
Wednesday, 11 February 2026
Thursday, 12 February 2026
Friday, 13 February 2026
Saturday, 14 February 2026
Sunday, 15 February 2026
Monday, 16 February 2026
Tuesday, 17 February 2026
Wednesday, 18 February 2026
Thursday, 19 February 2026
Friday, 20 February 2026
Saturday, 21 February 2026
Sunday, 22 February 2026
Monday, 23 February 2026
Tuesday, 24 February 2026
Wednesday, 25 February 2026
Thursday, 26 February 2026
Friday, 27 February 2026
Saturday, 28 February 2026
Sunday, 1 March 2026
Monday, 2 March 2026
Tuesday, 3 March 2026
Wednesday, 4 March 2026
Thursday, 5 March 2026
Friday, 6 March 2026
Saturday, 7 March 2026
Sunday, 8 March 2026
Monday, 9 March 2026
Tuesday, 10 March 2026
Wednesday, 11 March 2026
Thursday, 12 March 2026
Friday, 13 March 2026
Saturday, 14 March 2026
Sunday, 15 March 2026
Monday, 16 March 2026
Tuesday, 17 March 2026
Wednesday, 18 March 2026
Thursday, 19 March 2026
Friday, 20 March 2026
14:00
Axion birefringence: probing ultra-light particles with polarized light
-
Patricia Diego-Palazuelos
(
Max-Planck Institute for Astrophysics, Garching, Germany
)
Axion birefringence: probing ultra-light particles with polarized light
Patricia Diego-Palazuelos
(
Max-Planck Institute for Astrophysics, Garching, Germany
)
14:00 - 15:00
The axionlike particles (ALP) that arise naturally in many extensions of the Standard Model of particle physics could explain the nature of dark matter and/or dark energy. Assuming they are weakly coupled to electromagnetism, ALP properties are often constrained through the ALP-photon conversion expected in the presence of strong magnetic fields. Here, however, I will focus on another consequence of the ALP-photon coupling: the rotation of the photon's polarization due to axion birefringence. During the talk, I will review what information axion birefringence measurements using different astrophysical and cosmological observables can provide about the mass, formation mechanism, and evolution of ALP, and comment on present results.
Saturday, 21 March 2026
Sunday, 22 March 2026
Monday, 23 March 2026
Tuesday, 24 March 2026
Wednesday, 25 March 2026
Thursday, 26 March 2026
Friday, 27 March 2026
Saturday, 28 March 2026
Sunday, 29 March 2026
Monday, 30 March 2026
Tuesday, 31 March 2026
Wednesday, 1 April 2026
Thursday, 2 April 2026
Friday, 3 April 2026
Saturday, 4 April 2026
Sunday, 5 April 2026
Monday, 6 April 2026
Tuesday, 7 April 2026
Wednesday, 8 April 2026
Thursday, 9 April 2026
Friday, 10 April 2026
Saturday, 11 April 2026
Sunday, 12 April 2026
Monday, 13 April 2026
Tuesday, 14 April 2026
Wednesday, 15 April 2026
Thursday, 16 April 2026
Friday, 17 April 2026
Saturday, 18 April 2026
Sunday, 19 April 2026
Monday, 20 April 2026
Tuesday, 21 April 2026
Wednesday, 22 April 2026
Thursday, 23 April 2026
Friday, 24 April 2026
Saturday, 25 April 2026
Sunday, 26 April 2026
Monday, 27 April 2026
Tuesday, 28 April 2026
Wednesday, 29 April 2026
Thursday, 30 April 2026
Friday, 1 May 2026
Saturday, 2 May 2026
Sunday, 3 May 2026
Monday, 4 May 2026
Tuesday, 5 May 2026
Wednesday, 6 May 2026
Thursday, 7 May 2026
Friday, 8 May 2026
Saturday, 9 May 2026
Sunday, 10 May 2026
Monday, 11 May 2026
Tuesday, 12 May 2026
Wednesday, 13 May 2026
Thursday, 14 May 2026
Friday, 15 May 2026
14:00
Dark graviton sensing with magnetically levitated superconductors
-
Valentina Danieli
(
CEICO, Prague
)
Dark graviton sensing with magnetically levitated superconductors
Valentina Danieli
(
CEICO, Prague
)
14:00 - 15:00
Magnetically levitated superconductors provide a promising platform for detecting ultra-light dark matter through precision force measurements. In this talk, I will discuss our study of spin-2 dark matter—the dark graviton—and its effects on such systems via both matter and electromagnetic couplings. The former induces a tidal, strain-like force similar to a continuous gravitational wave, while the latter generates an effective current that produces an oscillating magnetic field. We model the system as a driven harmonic oscillator and derive the expected signals across the dHz–kHz frequency range. While the sensitivity to matter coupling is not competitive with existing bounds, the electromagnetic coupling offers a compelling opportunity. In particular, levitated superconductors could become leading probes of dark graviton interactions with photons at low frequencies, provided noise sources are well controlled.
Saturday, 16 May 2026
Sunday, 17 May 2026
Monday, 18 May 2026
Tuesday, 19 May 2026
Wednesday, 20 May 2026
Thursday, 21 May 2026
Friday, 22 May 2026
Saturday, 23 May 2026
Sunday, 24 May 2026
Monday, 25 May 2026
Tuesday, 26 May 2026
Wednesday, 27 May 2026
Thursday, 28 May 2026
Friday, 29 May 2026
Saturday, 30 May 2026
Sunday, 31 May 2026
Monday, 1 June 2026
Tuesday, 2 June 2026
Wednesday, 3 June 2026
Thursday, 4 June 2026
Friday, 5 June 2026
Saturday, 6 June 2026
Sunday, 7 June 2026
Monday, 8 June 2026
Tuesday, 9 June 2026
Wednesday, 10 June 2026
Thursday, 11 June 2026
Friday, 12 June 2026
Saturday, 13 June 2026
Sunday, 14 June 2026
Monday, 15 June 2026
Tuesday, 16 June 2026
Wednesday, 17 June 2026
Thursday, 18 June 2026
Friday, 19 June 2026
Saturday, 20 June 2026
Sunday, 21 June 2026
Monday, 22 June 2026
Tuesday, 23 June 2026
Wednesday, 24 June 2026
Thursday, 25 June 2026
Friday, 26 June 2026
Saturday, 27 June 2026
Sunday, 28 June 2026
Monday, 29 June 2026
Tuesday, 30 June 2026
Wednesday, 1 July 2026
Thursday, 2 July 2026
Friday, 3 July 2026
14:00
TBA
TBA
14:00 - 15:00
TBA
Saturday, 4 July 2026
Sunday, 5 July 2026
Monday, 6 July 2026
Tuesday, 7 July 2026
Wednesday, 8 July 2026
Thursday, 9 July 2026
Friday, 10 July 2026
Saturday, 11 July 2026
Sunday, 12 July 2026
Monday, 13 July 2026
Tuesday, 14 July 2026
Wednesday, 15 July 2026
Thursday, 16 July 2026
Friday, 17 July 2026
Saturday, 18 July 2026
Sunday, 19 July 2026
Monday, 20 July 2026
Tuesday, 21 July 2026
Wednesday, 22 July 2026
Thursday, 23 July 2026
Friday, 24 July 2026
Saturday, 25 July 2026
Sunday, 26 July 2026
Monday, 27 July 2026
Tuesday, 28 July 2026
Wednesday, 29 July 2026
Thursday, 30 July 2026
Friday, 31 July 2026
Saturday, 1 August 2026
Sunday, 2 August 2026
Monday, 3 August 2026
Tuesday, 4 August 2026
Wednesday, 5 August 2026
Thursday, 6 August 2026
Friday, 7 August 2026
Saturday, 8 August 2026
Sunday, 9 August 2026
Monday, 10 August 2026
Tuesday, 11 August 2026
Wednesday, 12 August 2026
Thursday, 13 August 2026
Friday, 14 August 2026
Saturday, 15 August 2026
Sunday, 16 August 2026
Monday, 17 August 2026
Tuesday, 18 August 2026
Wednesday, 19 August 2026
Thursday, 20 August 2026
Friday, 21 August 2026
Saturday, 22 August 2026
Sunday, 23 August 2026
Monday, 24 August 2026
Tuesday, 25 August 2026
Wednesday, 26 August 2026
Thursday, 27 August 2026
Friday, 28 August 2026
Saturday, 29 August 2026
Sunday, 30 August 2026
Monday, 31 August 2026
Tuesday, 1 September 2026
Wednesday, 2 September 2026
Thursday, 3 September 2026
Friday, 4 September 2026
14:00
TBA
TBA
14:00 - 15:00
TBA
Saturday, 5 September 2026
Sunday, 6 September 2026
Monday, 7 September 2026
Tuesday, 8 September 2026
Wednesday, 9 September 2026
Thursday, 10 September 2026
Friday, 11 September 2026
Saturday, 12 September 2026
Sunday, 13 September 2026
Monday, 14 September 2026
Tuesday, 15 September 2026
Wednesday, 16 September 2026
Thursday, 17 September 2026
Friday, 18 September 2026
Saturday, 19 September 2026
Sunday, 20 September 2026
Monday, 21 September 2026
Tuesday, 22 September 2026
Wednesday, 23 September 2026
Thursday, 24 September 2026
Friday, 25 September 2026
Saturday, 26 September 2026
Sunday, 27 September 2026
Monday, 28 September 2026
Tuesday, 29 September 2026
Wednesday, 30 September 2026
Thursday, 1 October 2026
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