Aspects of string theoretic black holes = 끈이론 블랙홀의 여러 양상들

Space-time aspects of string theory are studied in the context of the low engery effective string theory. We consider d-dimensional charged dilaton gravity theories which can be interpreted as various low energy effective string theories in the d-dimensional target space. The theories have naked singularities, asymptotically flat and non-flat black holes. We show no-scalar-hair property and clarify the relationship between asymptotically flat and non-flat black holes. The implications of the string duality to the space-time of the low energy effective string theory is considered using the (2+1)-dimensional gravity theories including a particular effective string theory. We find an analog of electric-magnetic duality trasformation in the axially symmetric and static cases. It is shown that the transformation can be related to T-duality and also can be used to generate new solutions from the known solutions. We can describe physics of D-branes by supergravity for the distance scale much logner than the string size. The type IIB supergravity which describes intersecting D-strings and D 5-branes is studied. It is shown that their static S-wave sector contains naked singularity, asymptotically flat and non-flat black holes. We show no-hair property and clarify the relationship between asymptotically flat and non-flat black holes.
Advisors
Choi, Ki-WoonKim, Jae-Kwan최기원김재관
Publisher
한국과학기술원
Issue Date
1998
Identifier
135071/325007 / 000935137
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 물리학과, 1998.2, [ iv, 105 p. ]

URI
http://hdl.handle.net/10203/47837
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=135071&flag=t
Appears in Collection
PH-Theses_Ph.D.(박사논문)
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