Protected string spectrum in AdS3/CFT2 from worldsheet integrability
Protected string spectrum in AdS3/CFT2 from worldsheet integrability
复制标题
保护 AdS3/CFT2 中的弦谱免受世界表可积性影响
DOI:
10.1007/jhep04(2017)091
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发表时间:
2017
影响因子:
5.4
通讯作者:
Baggio M
中科院分区:
文献类型:
--
作者:
Baggio M
We derive the protected closed-string spectra of AdS 3/CFT 2 dual pairs with 16 supercharges at arbitrary values of the string tension and of the three-form fluxes. These follow immediately from the all-loop Bethe equations for the spectra of the integrable worldsheet theories. Further, representing the underlying integrable systems as spin chains, we find that their dynamics involves length-changing interactions and that protected states correspond to gapless excitations above the Berenstein-Maldacena-Nastase vacuum. In the case of AdS 3× S 3× T 4 the degeneracies of such operators precisely match those of the dual CFT 2 and the supergravity spectrum. On the other hand, we find that for AdS 3× S 3× S 3× S 1 there are fewer protected states than previous supergravity calculations had suggested. In particular, protected states have the same su (2) charge with respect to the two three-spheres.
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DOI:
10.1007/jhep03(2017)124
发表时间:
2017
期刊:
arXiv: High Energy Physics - Theory
影响因子:
--
作者:
Lorenz Eberhardt;M. Gaberdiel;R. Gopakumar;Wei Li
通讯作者:
Wei Li
影响因子:
5.4
作者:
M. Gaberdiel;I. Kirsch
通讯作者:
I. Kirsch
影响因子:
5.4
作者:
G. Arutyunov;S. Frolov;Alessandro Sfondrini
通讯作者:
Alessandro Sfondrini
影响因子:
5.4
作者:
Sax O
通讯作者:
Sax O
影响因子:
5.4
作者:
Benjamin Assel;A. Tomasiello
通讯作者:
A. Tomasiello