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Travel from the subatomic realm to the farthest reaches of the universe with our new “Quantum to Cosmos” interactive scale!

Quantum Fields and Strings

Quantum field theory is used to describe the interactions of elementary particles, the dynamics of many-body systems, and critical phenomena, all with exquisite accuracy. String theory is based on the idea that, at very short distances, all particles should be seen to be extended one-dimensional objects: “strings.” Together, “quantum fields and strings” has strong connections to condensed matter, quantum gravity, particle physics, and cosmology, and mathematics.

Learn more about Quantum Fields and Strings at Perimeter Institute here.

How physics is breaking down communication barriers between specialties, and hoping to make big discoveries along the way.
/Sep 01, 2016
Perimeter takes a look back at an illuminating year of science. 
/Mar 29, 2016
Perimeter collaborators propose a new way to compare vastly different theories: go through the corners.
/Oct 07, 2015
To mark the 100-year anniversary of the theory that re-wrote the rule book of physics, Perimeter presents an overview of…
/May 14, 2015
Perimeter researcher Michal P. Heller has created a shortcut to understand primordial matter in its most extreme state.
/Apr 22, 2015
Dr. Amanda Peet (University of Toronto) explains how string theorists are working to build upon the foundations of Newtonian and…
/Apr 21, 2015
Our universe may have emerged from a black hole in a higher-dimensional universe, propose a trio of Perimeter Institute researchers…
/Apr 17, 2015
Researchers are using surprising ideas and mathematical tools originating in string theory to guide research into strange materials that are…
/Jun 03, 2014
Perimeter researchers have solved a long-standing problem in quantum field theory by mathematically “cutting soap bubbles into pieces.”
/Jun 03, 2014
The road uniting quantum field theory and general relativity – the two great theories of modern physics – has been…
/May 29, 2014