Results 61 to 70 of about 2,678,069 (257)
High energy scattering and string/black hole transition [PDF]
We give a short review of high energy scattering in string theory, thermal properties of strings, explain the connection between the two and how they all tie together with the string/black hole transition.
arxiv
Exact Three Dimensional Black Holes in String Theory [PDF]
A black hole solution to three dimensional general relativity with a negative cosmological constant has recently been found. We show that a slight modification of this solution yields an exact solution to string theory. This black hole is equivalent (under duality) to the previously discussed three dimensional black string solution.
arxiv +1 more source
Black Hole Solutions of Kaluza-Klein Supergravity Theories and String Theory [PDF]
We find U(1)_{E} \times U(1)_{M} non-extremal black hole solutions of 6-dimensional Kaluza-Klein supergravity theories. Extremal solutions were found by Cveti\v{c} and Youm\cite{C-Y}. Multi black hole solutions are also presented. After electro-magnetic duality transformation is performed, these multi black hole solutions are mapped into the the exact ...
arxiv +1 more source
Kaluza-Klein Black Holes in String Theory [PDF]
Non-supersymmetric black holes carrying both electric and magnetic charge with respect to a single Kaluza-Klein gauge field have much in common with supersymmetric black holes.
Larsen, Finn
core +2 more sources
Black Hole Entropy in String Theory [PDF]
In the first part of the thesis we examine the entropy of black strings in compactifications of F-theory on an elliptically fibered Calabi-Yau threefold or of type IIB string theory on K3. The black strings arise as D3-branes wrapped on a curve in either the base of the Calabi-Yau threefold or in K3 and when compactified on an additional circle, they ...
openaire +4 more sources
Extremal Black Holes as Bound States [PDF]
We consider a simple static extremal multi-black hole solution with constituents charged under different $U(1)$ fields. Each of the constituents by itself is an extremal dilatonic black hole of coupling $a=\srt$.
Rahmfeld, J.
core +4 more sources
On small black holes in string theory
Abstract We discuss the worldsheet sigma-model whose target space is the d+1 dimensional Euclidean Schwarzschild black hole. We argue that in the limit where the Hawking temperature of the black hole, T, approaches the Hagedorn temperature, TH, it can be described in terms of a generalized version of the Horowitz-Polchinski ...
Balthazar, Bruno+2 more
openaire +3 more sources
The field equations, which emerge from string theory, are solved to leading order in α′ for the case of black hole space-times. We show how the results fit into a broader outlook on string theory and quantum gravity. In particular, it seems that string theory could cure some of the paradoxes associated with black hole evaporation.
Robert C. Myers+2 more
openaire +2 more sources
Parkinson's disease (PD) progression is aggravated by disrupted inter‐organelle contacts, which are influenced by mechanical forces. NanoMassage, 200 nm PEGylated black phosphorus nanosheets, deliver targeted mechanical stimulation to neural cells.
Tianqi Li+12 more
wiley +1 more source
We perform the toroidal compactification of the full Bergshoeff-de Roo version of the Heterotic Superstring effective action to first order in α′. The dimensionally-reduced action is given in a manifestly-O(n, n)-invariant form which we use to derive a ...
Tomás Ortín
doaj +1 more source