Spin chains and string theory

Recently, an important test of the anti de Sitter/conformal field theory correspondence has been done using rotating strings with two angular momenta. We show that such a test can be described more generally as the agreement between two actions: one a low energy description of a spin chain appearing...

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Bibliographic Details
Published in:Physical review letters 2004-10, Vol.93 (16), p.161602.1-161602.4, Article 161602
Main Author: KRUCZENSKI, Martin
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
General theory and models of magnetic ordering
General theory of fields and particles
Magnetic properties and materials
Physics
Spin chain models
The physics of elementary particles and fields
Theory of fundamental strings
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Summary:Recently, an important test of the anti de Sitter/conformal field theory correspondence has been done using rotating strings with two angular momenta. We show that such a test can be described more generally as the agreement between two actions: one a low energy description of a spin chain appearing in the field theory side, and the other a limit of the string action in AdS5xS5. This gives a map between the mean value of the spin in the boundary theory and the position of the string in the bulk, and shows how a string action can emerge from a gauge theory in the large-N limit.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.93.161602