Tadpole cancellation in unoriented Liouville theory | Zendy

Yu Nakayama | Zendy

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Tadpole cancellation in unoriented Liouville theory

Author(s) -

Yu Nakayama

Publication year - 2003

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 - 10.1088/1126-6708/2003/11/017

Subject(s) - tadpole (physics) , orientifold , symplectic geometry , boundary (topology) , divergence (linguistics) , gauge (firearms) , field (mathematics) , physics , gauge theory , mathematics , theoretical physics , mathematical physics , brane cosmology , mathematical analysis , pure mathematics , quantum electrodynamics , quantum mechanics , philosophy , linguistics , archaeology , history

The tadpole cancellation in the unoriented Liouville theory is discussed.Using two different methods -- the free field method and the boundary-crosscapstate method, we derive one-loop divergences. Both methods require twoD1-branes with the symplectic gauge group to cancel the orientifold tadpoledivergence. However, the finite part left is different in each method and thisdifference is studied. We also discuss the validity of the free field methodand the possible applications of our result.Comment: 12 pages; v2: sign error in the crosscap state is corrected, some related argumets are modified and clarified; v3: minor corrections; v4:reference adde

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