Coulomb Branch and the Moduli Space of Instantons

1 hour 15 mins,  1.07 GB,  MPEG-4 Video  640x360,  29.97 fps,  44100 Hz,  1.94 Mbits/sec
Share this media item:
Embed this media item:


About this item
media item has no image
Description: Hanany, A (Imperial College London)
Friday 31 July 2015, 11:30-12:30
 
Created: 2015-08-04 18:40
Collection: Metric and Analytic Aspects of Moduli Spaces
Publisher: Isaac Newton Institute
Copyright: Hanany, A
Language: eng (English)
Distribution: World     (downloadable)
Explicit content: No
Aspect Ratio: 16:9
Screencast: No
Bumper: UCS Default
Trailer: UCS Default
 
Abstract: The moduli space of k G instantons on C^2, where G is a classical gauge group, has a well known HyperKahler quotient formulation known as the ADHM construction. The extension to exceptional groups is an open problem. In string theory this is realized using a system of branes, and the moduli space of instantons is identified with the Higgs branch of a particular supersymmetric gauge theory with 8 supercharges. A less known, and less studied aspect of moduli spaces of instantons is that they can be realized as the Coulomb branch of a supersymmetric gauge theory in 2+1 dimensions. Recent developments on the understanding of the Coulomb branch gives us a nice solution to the problem where G is an exceptional group, thus allowing a systematic study of these moduli spaces. I will discuss these developments, and present the corresponding quivers, and the Coulomb branch Hilbert Series - the main tool which lead to the recent progress.
Available Formats
Format Quality Bitrate Size
MPEG-4 Video * 640x360    1.94 Mbits/sec 1.07 GB View Download
WebM 640x360    850.68 kbits/sec 467.30 MB View Download
iPod Video 480x270    523.57 kbits/sec 287.61 MB View Download
MP3 44100 Hz 250.7 kbits/sec 137.71 MB Listen Download
Auto (Allows browser to choose a format it supports)