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SYDK: Joint Symposium of the Danish and German Physical Societies

SYDK 1: Joint Symposium of the Danish and German Physical Societies

SYDK 1.1: Hauptvortrag

Montag, 8. September 2025, 10:45–11:25, ZHG008

Quantum physics and the spirit of Copenhagen — •Klaus Molmer — Niels Bohr Institute, University of Copenhagen, Denmark

With his 1913 theory model of atoms and molecules, Niels Bohr joined Planck and Einstein as co-founder of the early quantum theory. In 1920, he was given the opportunity to lead the new institute in Copenhagen, that now carries his name, and he designed it as a modern and progressive hub for a whole generation of young scientists from all over the world. Bohr's own model of atoms turned out to be insufficient, while a new theory, quantum mechanics, was spearheaded by Heisenberg and Schrödinger in 1925-26.

The seminar will recall the appearance at the Niels Bohr institute of central international figures in the development of quantum theory, and how many elements of the new theory and its interpretation were centerpiece of discussions in Copenhagen. A bust of Albert Einstein in Bohr's office in Copenhagen, reminds the visitor that today's pursuit of quantum computers and other quantum technologies borrows elements and inspiration from the famous discussions between Bohr and Einstein.

Keywords: quantum physics; Copenhagen interpretation; quantum technology; open science