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Isometry group orbit quantization of spinning strings in AdS3 × S3
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Humboldt-Universität zu Berlin, Germany.
2015 (English)In: Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, E-ISSN 1751-8121, Vol. 48, no 12, 125401Article in journal (Refereed) Published
Abstract [en]

Describing the bosonic AdS3 × S3 particle and string in SU(1,1) × SU(2) group variables, we provide a Hamiltonian treatment of the isometry group orbits of solutions via analysis of the pre-symplectic form. For the particle we obtain a one-parameter family of orbits parameterized by creation-annihilation variables, which leads to the HolsteinPrimakoff realization of the isometry group generators. The scheme is then applied to spinning string solutions characterized by one winding number in AdS3 and two winding numbers in S3. We find a two-parameter family of orbits, where quantization again provides the Holstein-Primakoff realization of the symmetry generators with an oscillator-type energy spectrum. Analyzing the minimal energy at strong coupling, we verify the spectrum of short strings at special values of winding numbers.

Place, publisher, year, edition, pages
2015. Vol. 48, no 12, 125401
Keyword [en]
AdS/CFT correspondence, AdS3 × S3, co-adjoint orbit method, energy spectrum, string solutions
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-166993DOI: 10.1088/1751-8113/48/12/125401ISI: 000350810700012ScopusID: 2-s2.0-84924308740OAI: diva2:813657

QC 20150525

Available from: 2015-05-25 Created: 2015-05-21 Last updated: 2015-05-25Bibliographically approved

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Heinze, Martin
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