String Seminars
This series consists of talks in the area of Superstring Theory.
Seminar Series Events/Videos
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Tuesday Nov 28, 2006Speaker(s):
TBA
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Tuesday Nov 21, 2006Speaker(s):
I will discuss some ambiguities involved in using the AdS/CFT correspondence
to calculate the ultra-relativistic jet quenching parameter for quarks moving in
an N=4 super Yang-Mills thermal bath. Along the way, I will investigate the behavior of various string configurations on a five-dimensional AdS black hole
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Tuesday Nov 07, 2006Speaker(s):Collection/Series:Scientific Areas:
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Thursday Oct 19, 2006Speaker(s):
TBA
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Thursday Oct 19, 2006Speaker(s):
TBA
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Tuesday Oct 17, 2006Speaker(s):Collection/Series:Scientific Areas:
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Tuesday Oct 10, 2006Speaker(s):
TBA
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Tuesday Sep 26, 2006Speaker(s):Collection/Series:Scientific Areas:
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Tuesday Sep 19, 2006Speaker(s):Collection/Series:Scientific Areas:
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Tuesday Sep 12, 2006Speaker(s):
Studies of ${cal N}=4$ super Yang Mills operators with large R-charge have shown that, in the planar limit, the problem of computing their dimensions can be viewed as a certain spin chain. These spin chains have fundamental ``magnon\'\' excitations which obey a dispersion relation that is periodic in the momentum of the magnons. This result for the dispersion relation was also shown to hold at arbitrary \'t Hooft coupling. Here we identify these magnons on the string theory side and we show how to reconcile a periodic dispersion relation with the continuum worldsheet description.
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