D instanton on the linear-dilaton background

Autor: Semyon Klevtsov, Dmitri V. Gal'tsov, Dmitri Orlov
Rok vydání: 2007
Předmět:
Zdroj: Physics of Atomic Nuclei. 70:1568-1571
ISSN: 1562-692X
1063-7788
DOI: 10.1134/s1063778807090116
Popis: It is shown that, in addition to a standard asymptotically flat D instanton, IIB superstring theory contains an instanton-type excitation on the linear-dilaton background. The new solution is asymptotically flat, but the dilaton grows linearly at infinity. The total action of this configuration diverges, but the instanton action proper becomes finite upon subtracting an infinite background contribution.
Databáze: OpenAIRE