Format results
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Talk
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Charting Fundamental Interactions
Francesco Sannino CP3-Origins
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Asymptotic safety with and without supersymmetry
Daniel Litim University of Sussex
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Progress in constructing an Asymptotically safe Standard Model
Steven Abel Durham University
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Cosmological non-Constant Problem
Niayesh Afshordi University of Waterloo
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UV-complete relativistic field theories and softened gravity
Alberto Salvio Scuola Normale Superiore di Pisa
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Asymptotic safety of gravity-matter systems and effective universality
Manuel Reichert University of Southern Denmark
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Talk
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PSI 2017/2018 - Cosmology - Lecture 15
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2017/2018 - Cosmology - Lecture 14
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2017/2018 - Cosmology - Lecture 13
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2017/2018 - Cosmology - Lecture 12
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2017/2018 - Cosmology - Lecture 11
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2017/2018 - Cosmology - Lecture 10
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2017/2018 - Cosmology - Lecture 9
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2017/2018 - Cosmology - Lecture 8
Kendrick Smith Perimeter Institute for Theoretical Physics
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Talk
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General Relativity for Cosmology - Lecture 23
Achim Kempf University of Waterloo
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General Relativity for Cosmology - Lecture 22
Achim Kempf University of Waterloo
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General Relativity for Cosmology - Lecture 21
Achim Kempf University of Waterloo
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General Relativity for Cosmology - Lecture 20
Achim Kempf University of Waterloo
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General Relativity for Cosmology - Lecture 19
Achim Kempf University of Waterloo
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General Relativity for Cosmology - Lecture 18
Achim Kempf University of Waterloo
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General Relativity for Cosmology - Lecture 17
Achim Kempf University of Waterloo
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General Relativity for Cosmology - Lecture 16
Achim Kempf University of Waterloo
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Talk
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Welcome and Opening Remarks
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Steffen Gielen University of Sheffield
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Neil Turok University of Edinburgh
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Bounce in Loop Quantum Cosmology and its Implications
Abhay Ashtekar Pennsylvania State University
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Observable Consequences of a Bounce
Ue-Li Pen Canadian Institute for Theoretical Astrophysics (CITA)
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Challenges for Bouncing Cosmologies
Robert Brandenberger McGill University - Department of Physics
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Emergent bouncing cosmology from quantum gravity condensates
Edward Wilson-Ewing University of New Brunswick
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Discussion Session 2
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Angelika Fertig TotalEnergies (France)
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Steffen Gielen University of Sheffield
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Elizabeth Gould Arthur B. McDonald Canadian Astroparticle Physics Research Institute
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Talk
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PSI 2016/2017 - Explorations in Cosmology - Lecture 14
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2016/2017 - Explorations in Cosmology - Lecture 13
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2016/2017 - Explorations in Cosmology - Lecture 12
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2016/2017 - Explorations in Cosmology - Lecture 11
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2016/2017 - Explorations in Cosmology - Lecture 10
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2016/2017 - Explorations in Cosmology - Lecture 9
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2016/2017 - Explorations in Cosmology - Lecture 8
Kendrick Smith Perimeter Institute for Theoretical Physics
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PSI 2016/2017 - Explorations in Cosmology - Lecture 7
Kendrick Smith Perimeter Institute for Theoretical Physics
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Talk
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PSI 2016/2017 - Cosmology (Review) - Lecture 15
David Kubiznak Charles University
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PSI 2016/2017 - Cosmology (Review) - Lecture 14
David Kubiznak Charles University
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PSI 2016/2017 - Cosmology (Review) - Lecture 13
David Kubiznak Charles University
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PSI 2016/2017 - Cosmology (Review) - Lecture 12
David Kubiznak Charles University
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PSI 2016/2017 - Cosmology (Review) - Lecture 11
David Kubiznak Charles University
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PSI 2016/2017 - Cosmology (Review) - Lecture 10
David Kubiznak Charles University
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PSI 2016/2017 - Cosmology (Review) - Lecture 9
David Kubiznak Charles University
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PSI 2016/2017 - Cosmology (Review) - Lecture 8
David Kubiznak Charles University
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Talk
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Welcome and Opening Remarks
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Marina Cortes Institute for Astrophysics and Space Sciences
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Lee Smolin Perimeter Institute for Theoretical Physics
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Neil Turok University of Edinburgh
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The origin of arrows of time II
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Sean Carroll California Institute of Technology (Caltech) - Division of Physics Mathematics & Astronomy
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Marina Cortes Institute for Astrophysics and Space Sciences
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Tim Koslowski Technical University of Applied Sciences Würzburg-Schweinfurt
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The origin of arrows of time II cont.
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Sean Carroll California Institute of Technology (Caltech) - Division of Physics Mathematics & Astronomy
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Marina Cortes Institute for Astrophysics and Space Sciences
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Tim Koslowski Technical University of Applied Sciences Würzburg-Schweinfurt
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Testing time asymmetry in the early universe
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Brian Keating University of California, San Diego
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Andrew Liddle University of Lisbon
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Richard Muller University of California, Berkeley
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The fate of the big bang
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Abhay Ashtekar Pennsylvania State University
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Neil Turok University of Edinburgh
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Time as Organization – Downward Caustation, Structure and Complexity I
Barbara Drossel Technische Universität Darmstadt
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Time as Organization – Downward Caustation, Structure and Complexity II
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Stuart Kauffman Santa Fe Institute
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George Ellis University of Cape Town
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Talk
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Welcome and Opening Remarks
PIRSA:16060006 -
Dark matter phenomenology across cosmic times
Yacine Ali-Haimoud Johns Hopkins University
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A new probe of primordial magnetic fields at high redshift
Vera Gluscevic University of Southern California
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Turbulent gravity in asymptotically AdS spacetimes
Stephen Green University of Nottingham
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Black hole ringdown and quasinormal modes
Aaron Zimmerman The University of Texas at Austin
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Talk
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30000 foot view of blazar heating
Christoph Pfrommer Universität Heidelberg - Institut für Theoretische Physik
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The basics and not-so-basic physics of beam plasmas
Antoine Bret University of Castilla-La Mancha
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The Basics of the Gamma-ray Sky: current observational status and future perspectives
Jim Hinton Max Planck Institute for Gravitational Physics - Albert Einstein Institute (AEI)
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The thermal state of the intergalactic medium and its effect on galaxy formation
Matthew McQuinn University of Washington
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Models of Galaxy formation: Current constraints on the star formation history and feedback
Hojun Mo University of Massachusetts Amherst
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Nonlinear Plasma Instabilities
Philip Chang University of Wisconsin-Milwaukee
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Talk
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Causal structures in Massive gravity and Gauss-Bonnet gravity
Keisuke Izumi National Taiwan University
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Causality constraints and the lightcone
Timothy Hollowood Swansea University
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Forecasting LSST Cosmology: Building Pipelines in the Era of Systematics
Niko Sarcevic Newcastle University
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Host Galaxies of Binary Compact Objects Across Cosmic Time
Maria Artale Universidad Andrés Bello
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Asymptotic Safety in a Dark Universe
The asymptotic safety paradigm is currently emerging as a highly promising idea for Beyond-Standard-Model physics with key progress in asymptotically safe quantum gravity and asymptotically safe matter models. The last years have seen not only the development of asymptotically safe gravity-matter models but also the discovery of asymptotically safe beyond Standard Model matter models that are under control in perturbation theory. New exciting avenues in (astro) particle physics are now waiting to be explored. For example although the nature of dark matter is a long-standing riddle it is a fact that experimental searches have so far not provided any direct clues but have instead come up with ever more stringent constraints on theoretically preferred regions of parameter space for dark-matter-models. Thus the key to unraveling this riddle could be a new theoretical paradigm to guide model builders. This workshop aims at exploring whether asymptotic safety can be a candidate for this new paradigm. We aim to bring together experts on phenomenological models and quantum gravity to probe both the theoretical viability and empirical signatures of asymptotically safe extensions of the standard model that include gravity. To facilitate a highly productive meeting that can trigger new collaborations each talk will be followed up by 15-20 minutes discussion time. Further each day of the workshop will feature a dedicated discussion session. Participants will be encouraged to contribute questions for the discussion both before as well as during the workshop. The last day of the workshop will conclude with a roadmap discussion during which all participants will be given the opportunity to propose concrete suggestions for follow-up work that might lead into future joint projects.
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PSI 2017/2018 - Cosmology (Smith)
PSI 2017/2018 - Cosmology (Smith) -
General Relativity for Cosmology (PHYS786/AMATH875) - Achim Kempf
General Relativity for Cosmology (PHYS786/AMATH875) - Achim Kempf -
Bounce Scenarios in Cosmology
Bounce Scenarios in Cosmology
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PSI 2016/2017 - Explorations in Cosmology (Smith)
PSI 2016/2017 - Explorations in Cosmology (Smith) -
PSI 2016/2017 - Cosmology (Kubiznak)
PSI 2016/2017 - Cosmology (Kubiznak) -
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Cosmological Frontiers in Fundamental Physics 2016
Cosmological Frontiers in Fundamental Physics 2016 -
Feedback over 44 Orders of Magnitude: From Gamma-rays to the Universe
Feedback over 44 Orders of Magnitude: From Gamma-rays to the Universe
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Superluminality in Effective Field Theories for Cosmology
Superluminality in Effective Field Theories for Cosmology -
Forecasting LSST Cosmology: Building Pipelines in the Era of Systematics
Niko Sarcevic Newcastle University
The Vera C. Rubin Observatory’s LSST promises unprecedented cosmological constraints, but achieving them requires more than just statistical power—it demands forecasting pipelines that can account for complex astrophysical systematics and modeling challenges on small scales. In this talk, I present work within the LSST Dark Energy Science Collaboration (DESC) to develop a modular forecasting framework that connects realistic data modeling with infrastructure built for extensibility and validation. Drawing on my role as forecasting group lead, I will outline key challenges in pipeline design, the role of validation in maintaining forecast credibility, and the use of good coding practices—such as modularization and model registries—to ensure long-term adaptability. I’ll close with a look at new directions, including forecasts at high redshift and multi-probe combinations, underscoring how thoughtful infrastructure enables reliable science in the LSST era.
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Host Galaxies of Binary Compact Objects Across Cosmic Time
Maria Artale Universidad Andrés Bello
The advent of gravitational wave (GW) detections has opened a new window into our understanding of stellar-mass black holes and neutron stars. Ongoing advancements and upcoming third-generation GW detectors are expected to provide increasingly detailed insights into the properties of compact object binaries across cosmic time. In this context, the merger rate density inferred from GW detections can be interpreted as the convolution of the cosmic star formation history, chemical evolution, and binary stellar evolution.
Studying this connection from the perspective of the host galaxies of binary compact objects offers a complementary approach, not only shedding light on the physical conditions that favor different formation channels but also enhancing our ability to interpret GW observations. In this talk, I will discuss two different approaches to modeling the host galaxies of binary compact objects: one based on population synthesis models combined with galaxy catalogs from cosmological simulations, and another based on empirical galaxy scaling relations. I will highlight some of the key results from these models and discuss the next steps where host galaxy properties can provide critical constraints on the origin and evolution of compact object binaries.Zoom link: https://pitp.zoom.us/j/98089871850