NEHOP 2026 - New Horizons on Primordial Black Hole Physics

from Monday, 15 June 2026 (08:30) to Friday, 19 June 2026 (17:00)
CERN (4/3-006)

        : Sessions
    /     : Talks
        : Breaks
15 Jun 2026
16 Jun 2026
17 Jun 2026
18 Jun 2026
19 Jun 2026
AM
08:30
Registration (until 09:00)
09:00 Welcome from the organizers / practical information  
09:15
Invited Talks (until 10:45)
09:15 The Physics of Planck-ton - Stefano Profumo  
10:00 Black hole memory burden effect - Gia Dvali  
10:45 --- Coffee-break ---
11:30
Contributed talks (until 12:30)
11:30 Microscopic primordial black holes as macroscopic dark matter from large extra dimensions - Giuseppe Filiberto Vitale  
11:45 Hawking radiation as a probe of physics beyond theStandard Model - Paola Simone  
12:00 Primordial Black Holes as Dark Sector Factories - Jae Hyeok Chang (Seoul National University)  
12:15 Neural Hawking Operator - yeji park (IBS-CTPU-PTC)  
09:15
Invited Talks (until 10:45)
09:15 Microlensing Searches for Primordial Black Holes - Przemek Mróz  
10:00 Effects of primordial black holes on early star formation - Dr Boyuan Liu (Center for Astronomy of Heidelberg University)  
10:45 --- Coffee-break ---
11:30
Contributed talks (until 12:30)
11:30 Gravitational Lensing of Fast Radio Bursts as a Probe of Primordial Black Holes Abundance: a forecast for radio telescopes - Prof. João Rafael Lucio dos Santos (UFCG, Leibniz University and University of Heidelberg)  
11:45 Probing Galactic dark matter objects from the heating of exoplanetary systems - Théo Paré (LUPM)  
12:00 Can Torques Save Primordial Black Hole Spikes? - Agnese Tolino (IFIC (CSIC-UV))  
12:15 Constraining reheating through PBH condensation - Francescopaolo Lopez  
09:15
Invited Talks (until 10:45)
09:15 Updated Upper Limits on the Amplitude of a Scalar-Induced Gravitational-Wave Background Using Data from LIGO–Virgo–KAGRA's O4a Observing Run - Alba Romero Rodríguez  
10:00 Charting the Universe with Primordial Black Holes: From Planetary to Supermassive - Sokratis Trifinopoulos (University of Zurich (CH))  
10:45 --- Coffee-Break ---
11:30
Contributed talks (until 12:30)
11:30 Towards Accurate Merger Rates of Early Primordial Black Hole Binaries with an Extended Mass Function - Simon Biot (ULB)  
11:45 When Tiny Halos Stir Spacetime : Gravitational Waves from Fifth-Force Mergers - Xinpeng Wang (Kavli IPMU, University of Tokyo)  
12:00 Probing the reheating epoch with induced gravitational waves and connections to PBH scenarios - Jan Tränkle  
12:15 Gravitational Waves from Black Hole Reheating - Nicholas Leister  
09:15
Invited Talks (until 10:00)
09:15 Not-quite-primordial black holes - Ms Wenzer Qin (New York University)  
10:00
Contributed talks (until 10:45)
10:00 Large Primordial Fluctuations: Stochastic vs. Classical $\delta N$ approaches - Parth Bhargava (Institute of Cosmology and Gravitation (ICG), Portsmouth)  
10:15 Primordial Black Holes from Coloured Noises - Koki Tokeshi  
10:30 Scalar field scattering from a Schwarzschild-de Sitter black hole - Marco de Cesare (Scuola Superiore Meridionale)  
10:45 --- Coffee-break ---
11:30
Contributed talks (until 12:30)
11:30 Reviving PBHs: primordial black holes from supercooled phase transitions revisited - Piotr Toczek (University of Warsaw)  
11:45 Thermodynamic limitations for primordial black holes from cosmological phase transitions - Philipp Schicho (University of Geneva)  
12:00 Evaporating black holes: how the burden of their memory stabilizes them - Michael Zantedeschi  
09:15
Invited Talks (until 10:00)
09:15 Gravitational Waves from Primordial Black Hole Reheating - Yann GOUTTENOIRE (Institute of Astrophysics of Paris)  
10:00
Contributed talks (until 11:00)
10:00 Evaporation of Primordial Black Holes in a Thermal Universe: A Thermofield Dynamics Approach - Jitumani Kalita (Indian Institute of Technology, Guwahati)  
10:15 Primordial Black Hole Hotspots Beyond Flat Spacetime - Dr Jong-Hyun Yoon (Chungnam National University)  
10:30 Asteroid-mass Primordial Black Holes as Dark Matter from Supersymmetry - Andrea Boccia (Scuola Superiore Meridionale)  
10:45 Gravitational Waves and Grand Unified Theories - Ahmad Elsayed Moursy (Cairo University)  
11:00 --- Coffee-Break ---
11:30
Guided Thematic Discussion (until 12:30)
PM
14:00
Invited Talks (until 15:30)
14:00 Overview of observational constraints on PBHs - Kazunori Kohri  
14:45 Reheating as a variational probe of cosmological observables - Jinn-Ouk Gong (Asia Pacific Centerfor Theoretical Physics)  
15:30 --- Coffee-break ---
16:15
Contributed talks (until 17:15)
16:15 Non-Linear Dynamics and Primordial Black Hole Formation During Kination - Cheng Cheng (Center for Physical Sciences and Technology (FTMC))  
16:30 Primordial black hole formation in scalar field cosmologies - Luis Padilla (Rikkyo University)  
16:45 Cosmological long-wavelength solutions in non-adiabatic multi-fluid systems - HAYAMI IIZUKA (Rikkyo University)  
17:00 Trichotomy of PBH initial conditions - Laia Montellà (ICCUB)  
18:00 --- Welcome reception ---
14:00
Invited Talks (until 14:45)
14:00 Dynamics of Primordial Black Hole Formation in a Matter Dominated Universe - Chulmoon Yoo  
14:45
Contributed talks (until 16:00)
14:45 Stochastic inflation on the hilltop and beyond - Eemeli Tomberg (UCLouvain)  
15:00 Stochastic scalar-tensor Inflation - Yoann Launay  
15:15 Classical and quantum evolution of inflationary fluctuations - Alejandro Perez Rodriguez (University of Washington)  
15:30 Promises and Pitfalls of Inflation on the Lattice - Benjamin Charles Gladwyn (University of Oxford (GB))  
15:45 Moving barriers in Excursion-Set Theory for PBHs: method, mass functions and quantitative clustering - Baptiste Blachier  
16:00 --- Coffee-Break ---
16:30
Guided Thematic Discussion (until 17:30)
14:00
Invited Talks (until 15:00)
14:00 Introducing primordial black holes - Christian Byrnes (University of Sussex)  
15:00 --- Coffee-Break ---
16:15
Contributed talks (until 17:30)
16:15 GrayHawk v2: Wormholes and Numeric Extension - Marco Calza (University of Trento)  
16:30 Primordial Black Holes in Einstein–Dilaton–Gauss–Bonnet Gravity - Prof. Bum-Hoon Lee (Sogang University)  
16:45 Are Hairy Black Holes Primordial? - Suruj Jyoti Das (Institute for Basic Science, CTPU)  
17:00 Lukewarm inflation, primordial black holes and gravitational waves - Joao Rosa (University of Coimbra)  
19:00 --- Reception ---
14:00
Invited Talks (until 14:45)
14:00 Structure formation with primordial black holes - Dr Sten Delos (Carnegie Observatories)  
14:45
Contributed talks (until 15:45)
14:45 Ultra-fast growth of primordial black holes through radiative absorption - Prof. Theodoros Papanikolaou (University of Patras, Greece)  
15:00 Primordial Black Hole Reformation in the Early Universe - Philip Lu (KIAS)  
15:15 Analytic Gravitational Wave Signatures of Dark Matter Spikes around Primordial Black Hole Binaries - Mr Jingxu Wu (M.V.Lomonosov Moscow State University)  
15:30 Towards Precision Measurements of $H_0$ with Multi-band Gravitational Waves - Dr Mohammed Riajul Haque (Tsung Dao Lee Institute, Shanghai Jiao Tong University)  
15:45 --- Coffee-Break ---
16:30
Guided Thematic Discussion (until 17:30)
12:30 Farewell and announcements