Mastodawn

Registration is open for the #academicConference "Effective Theories for Nonperturbative #physics " 24 August-4 September in Durham, UK. This conference continues a programme to connect and build a community of researchers in #effectiveFieldTheory and #quantumFieldTheory with emphasis on #nonperturbative aspects, that has been begun with a 2024 conference at the #MITP and a 2025 theory workshop at #CERN
Deadline is 24 June.
https://conference.ippp.dur.ac.uk/event/1546/

Effective Theories for Nonperturbative Physics 2026

This workshop, hosted at the IPPP in Durham, continues a series of meetings on Effective Theories for Nonperturbative Physics previously held at CERN and MITP, Mainz. Its goal is to further develop a growing and interdisciplinary community focused on constructing and exploiting effective descriptions of nonperturbative dynamics. A central theme is the interplay between different frameworks, and the extent to which they offer complementary insights into regimes where conventional perturbative...

IPPP Conference Management System (Indico)

Chuck Darwin Jun 27, 2023

‘#Resurgence' Could Save Particle Physics From Infinities

To spot #nonperturbative pieces, you need to know a frightening number of #perturbative #terms. In his recent research, for instance, Serone picked quantum field theories with mathematical backdoors that let him generate thousands of terms.

But for the strong force, calculating just eight or nine is currently out of the question.

Even pioneers of the method don’t mince their words about when they expect to see it produce a real number like the mass of the proton (a mathematical feat worth a million-dollar prize).

“It’s extremely difficult,” Ünsal said, sighing. “I don’t see an immediate way.”

“What Écalle was saying is that the answer is rigorously there in principle. But to actually get the answer is really, really hard,” Bender said. “My advice would be, don’t stand on one foot while you’re waiting.”

https://www.quantamagazine.org/alien-calculus-could-save-particle-physics-from-infinities-20230406/

‘Alien Calculus’ Could Save Particle Physics From Infinities | Quanta Magazine

In the math of particle physics, every calculation should result in infinity. Physicists get around this by just ignoring certain parts of the equations — an approach that provides approximate answers. But by using the techniques known as “resurgence,” researchers hope to end the infinities and end up with perfectly precise predictions.

Quanta Magazine