The symmetric branes of the  H  4  WZW model | Zendy

D'Appollonio G. | Zendy

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The symmetric branes of the H 4 WZW model

Author(s) -

D'Appollonio G.

Publication year - 2005

Publication title -

fortschritte der physik

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.469

H-Index - 71

eISSN - 1521-3978

pISSN - 0015-8208

DOI - 10.1002/prop.200410237

Subject(s) - brane cosmology , physics , boundary (topology) , analogy , string (physics) , theoretical physics , mathematical physics , mathematics , philosophy , mathematical analysis , linguistics

We review the solution of the boundary CFTs that describe the symmetric branes in the Nappi‐Witten gravitational wave, namely D2 and S 1 branes. The D2 branes are the twisted branes of the model while the S 1 branes are the Cardy branes. We present in both cases the bulk‐boundary couplings and the boundary three‐point couplings and discuss the relation with branes in AdS 3 and in S 3 . We also discuss the analogy between the open string couplings in the H 4 model and the couplings for magnetized and intersecting branes.

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