Welcome

Welcome to the Laws of Nature Series web site. You will find the latest information regarding the planned events in the current series. Please contact us if you want to join our seminars and receive our newsletter. Further information about this initiative can be found in the about section.

Current - Spring 2021 Series
(Updated: May 6, 2021)

Session Speakers Title
08.04.2021, 16:00
CEST (Brussels time)

There's plenty of room at the bottom

Roger Penrose
Penrose: How the Large and Small Interrelate in General Relativity and Quantum Mechanics

Despite much theorizing on how quantum theory might modify general relativity at extremely tiny scales, thereby resolving the space-time singularity problem, there are strong reasons for believing that this cannot provide an overall solution. On the other hand, conformal geometry, relating large to small-a remote expanding future to an initiating big bang-leads to important thermodynamical insights and confirmed observations of previously unexpected effects. On the quantum side, the most troublesome and fundamental issue is the measurement problem-or collapse of the wave-function-and here I argue that it is in the large effects of tiny gravitational fields where we must find our answers.

Watch the recording on YouTube.

06.05.2021, 16:00
CEST (Brussels time)

Towards exact theories of nature

Robert Wald &
Michael Kiessling
Wald: Point Particles and Self-Force in Electromagnetism

Point charges are a very useful idealization in electromagnetism. Although they are commonly treated as though they are fundamental, they have infinite self-energy and mathematical inconsistencies arise if one tries to describe their self-consistent motion. On the other hand, the self-consistent motion of distributions of continuous charged matter is entirely well defined in classical Maxwell theory. I will describe how to take a mathematically rigorous point particle limit of continuous charged matter wherein the charge and mass scale to zero in proportion to the size of the body. Lorentz force motion is obtained in this limit and self-force arises as a perturbative correction. It is shown how to obtain self-consistent motion that respects causality and does not admit spurious run-away solutions.


Kiessling: Revisiting the 1920s --- with the benefit of hindsight [slides]

The 1927 Solvay Conference is perhaps the most renowned physics meeting of the 20th century. An eminently distinguished group of physicists had been invited to discuss the apparent breakthroughs that had happened in the previous two years, in the hope perhaps to come to a common understanding of what had been accomplished. Instead, as one participant (Langevin) later wrote, at the 1927 Solvay conference the confusion of ideas reached its peak. Given the fact that nowadays professional physicists typically disagree with each other about what quantum theory really says about nature, it is fair to say that the confusion has not been cleared up yet. In this talk I will argue that by the end of 1927 we may well have been on the way to a meaningful and accurate quantum mechanics of electrons, nuclei, and photons that does not suffer from the infamous measurement problem of what came to be known as orthodox (standard textbook) quantum mechanics. For this it would have only been necessary that Luis de Broglie, Max Born, and Erwin Schroedinger would have listened to each other more carefully and with an open mind.

Join the session on Zoom.

03.06.2021, 16:00
CEST (Brussels time)

Beyond quantum gravity

Francesca Vidotto &
Stefano Liberati
Vidotto: 🚧

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Liberati: 🚧

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01.07.2021, 16:00
CEST (Brussels time)

Future of quantum foundations

Siddhant Das &
Sandro Donadi
Das: 🚧

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Donadi: 🚧

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Moderated by: Dr. Paula Reichert

Planning - Autumn 2021 Series

Session Speakers Title
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About

Laws of Nature Series is a new initiative to promote the exchange of physical, philosophical, and mathematical ideas in the field of the foundations of quantum physics.

Currently, this initiative is organized by

The Laws of Nature Series comprises a Spring and Autumn Series each comprising monthly online colloquia held in the form of themed sessions on Zoom. The session theme can be found in the first column of the schedules. The chosen format for each session is one or two 45+15 minutes talks followed by a 30 minutes moderated panel discussion.

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