The SU(1|2) and SU(2|2) sectors from superstrings inAdS5×S5 | Zendy

Shijong Ryang | Zendy

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The SU(1|2) and SU(2|2) sectors from superstrings inAdS₅×S⁵

Author(s) -

Shijong Ryang

Publication year - 2006

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2006/08/028

Subject(s) - superstring theory , physics , mathematical physics , fermion , string (physics) , invariant (physics) , quantum electrodynamics , quantum mechanics , supersymmetry

For the \kappa-symmetry gauge fixed superstring action in AdS_5 x S^5 weconsider the fermionic fluctuations over a circular bosonic string backgroundwith two angular momenta and two winding numbers in S^5. The SU(2)-typeredefinitions of fermionic fields and the first-string limit generate atruncated fermionic action for the SU(1|2) sector. It is expressed in atwo-dimensional Lorentz-invariant form of a massive Dirac fermion and theplane-wave spectrum for the fermionic excitations is derived. The fermionicspectrum for the SU(2|2) sector is also analyzed.Comment: 17 pages, LaTeX, no figure

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