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University of Michigan

We are pleased to announce the second Michigan Cosmology Summer School from June 5-9, 2023 at the University of Michigan campus in Ann Arbor, MI. The target participants are graduate students and junior postdocs. Additional details are in the Summer School website: https://johannesulf.github.io/cosmology-school-2023/, including a preliminary list of lecturers. While we expect the majority of participants to be in-person, we will provide a hybrid setup, opening lectures and interaction spaces to online participants. This should significantly broaden the accessibility of the School to junior scientists based in countries from which it is expensive and difficult to travel to the U.S. The school will cover topics across the field of cosmology ranging from theory to experiment, but the emphasis will be on computation and the interface between data and theory. An overarching goal of the school will be to provide participants with concrete practical skills for data modeling. The focus will be on the theoretical underpinnings of inflation, dark matter, and dark energy using modern measurements, principally those coming from the LSS and CMB. The registration opens late January. The Leinweber Center for Theoretical Physics will heavily subsidize registration costs to minimize barriers for attendees. The weather in Michigan that time of the year should be very nice, with long sunny days. We are planning to organize some outdoor activities as well.

cosmology, summer school

Astronomy, Astrophysics and Cosmology,    Courses and Events for Physics Students

SLAC National Accelerator Laboratory

LoopFest provides a forum for discussing the latest results in precision quantum field theory and their applications to understanding experimental data at current and future colliders.

The potential of the LHC and future colliders for precision measurements - Progress in multi-loop and multi-leg calculations - Interfacing fixed-order higher-order calculations with multi-purpose event generators - Application of effective field theory techniques to precision calculations - Prospects for improving PDFs for precision measurements

PASCOS is a conference series on particles, cosmology and strings. In 2023 it is scheduled to take place June 26-30 at the University of California Irvine.

The International Symposium on Lattice Field Theory is an annual conference that attracts scientists from around the world. Originally started as a place for physicists to discuss their recent developments in lattice gauge theory, nowadays the conference is the largest of its type and has grown to include areas like particle physics phenomenology, nuclear theory, chiral symmetry, strongly interacting phenomena in many contexts. algorithms and machine architectures, and code development.

Astronomy, Astrophysics and Cosmology,    Courses and Events for Physics Students

The 25th iteration of the International Spin Symposium (SPIN 2023) will be held September 24-29 at Duke University. The Symposium is one of the pre-eminent venues bringing together theorists and experimentalists in the field of spin physics. It is held every two years, alternating between the U.S., Europe and Asia. The conference series has been held jointly since 2000, combining the High Energy Spin Symposia and the Nuclear Polarization Conferences.

Nuclear Physics,    Magnetism and Magnetic Materials, Spintronics

Kavli Institute for Theoretical Physics (KITP)

While it is widely acknowledged that string theory provides a framework for addressing quantum gravitational (and even quantum field theoretic) questions, the precise nature of its organizational principle remains obscure. Nearly three decades ago, when the question “What is string theory?” was asked, the perturbative string worldsheet viewpoint played the starring role. Since then, the discovery of D-branes, string dualities, and the holographic AdS/CFT correspondence has had spacetime dynamics taking center-stage. Much insight has been gleaned from these developments. We now have, for example, a much broader class of string backgrounds with better control over compactifications; strong constraints on the low energy effective field theories; a plethora of gauge-string dualities as well as applications of holographic techniques to a wide class of physical problems; and new angles on semiclassical gravitational physics from a fruitful interplay with quantum information in holography. Together with an influx of new tools and techniques, we have a very rich set of perspectives that illuminate the subject we continue to call string theory. While all these developments are interesting in and of themselves, it is an opportune moment to attempt to synthesize these, often disparate, strands and arrive at a deeper answer to the question in the title.

Mathematical Physics,    Astronomy, Astrophysics and Cosmology

UC Santa Barbara, Kavli Institute for Theoretical Physics (KITP)

String theory encompasses a wide range of perspectives on the nature of spacetime, from qubit models of black hole information to the string worldsheet. This conference will aim for a new synthesis of the field that builds on recent progress on the role of quantum information, new top-down techniques in string compactification and string field theory, and growing evidence for precise holographic dualities beyond anti-de Sitter space. The focus will be on bridging the divide between the IR and the UV. We will explore recent progress in non-perturbative string theory and stringy constraints on effective field theory, and develop the connections between the gravitational path integral, higher topologies, and entanglement, from low energy to the string scale.

The international conference Loops ‘24 is the most recent in a long tradition of biennial meetings focused on loop quantum gravity and background independent approaches to quantum gravity. The conference will be held from Monday, May 6 through Friday, May 10, 2024, at the campus of Florida Atlantic University in Fort Lauderdale, Florida (USA). The program will feature morning plenary talks complemented by contributed talks. Plenary sessions will be held in the auditorium of the Broward County Main Library one block away from the campus. The conference will highlight recent developments in canonical loop quantum gravity, covariant loop quantum gravity (spin foams), and other approaches to quantum gravity, as well as applications to symmetry-reduced models, quantum cosmology, black holes in quantum gravity, and other topics. Foundational, mathematical, numerical and phenomenological aspects will be covered.

Gravitation and Cosmology

Astronomy, Astrophysics and Cosmology,    Mathematical Physics