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- Barak Kol
- 2005

In the presence of compact dimensions massive solutions of General Relativity may take one of several forms including the black-hole and the black-string, the simplest relevant background being R3+1â€¦ (More)

- Barak Kol, Evgeny Sorkin, T Piran
- 2003

In backgrounds with compact dimensions there may exist several phases for black objects including the black-hole and the black-string, and the phase transition between them raises puzzles and touchesâ€¦ (More)

- Ofer Aharony, Amihay Hanany, Barak Kol
- 1997

We continue to study 5d N = 1 supersymmetric field theories and their compactifications on a circle through brane configurations. We develop a model, which we call (p, q) Webs, which enables simpleâ€¦ (More)

- Barak Kol, Evgeny Sorkin
- 2005

This paper continues the study of the Gregory-Laflamme instability of black strings, or more precisely of the order of the transition, being either first or second order, and the critical dimensionâ€¦ (More)

- Barak Kol
- 2005

The critical solution in Choptuik scaling is shown to be closely related to the critical solution in the black-string black-hole transition (the merger), through double analytic continuation. Thisâ€¦ (More)

- Dan Gorbonos, Barak Kol
- 2004

No analytic solution is known to date for a black hole in a compact dimension. We develop an analytic perturbation theory where the small parameter is the size of the black hole relative to the sizeâ€¦ (More)

- Barak Kol
- 2008

We now have two examples for the breakdown of black hole uniqueness in higher dimensional General Relativity: the black-hole black-string transition and the rotating black ring. In the last few yearsâ€¦ (More)

- Barak Kol, Evgeny Sorkin
- 2004

The black-hole black-string system is known to exhibit critical dimensions and therefore it is interesting to vary the spacetime dimension D, treating it as a parameter of the system. We derive theâ€¦ (More)

- Barak Kol, Joachim Rahmfeld
- 1998

We study the BPS spectrum of supersymmetric 5 dimensional field theories and their representations as string webs. It is found that a state of given charges exists when it has a representation as anâ€¦ (More)

- Barak Kol, Michael Smolkin
- 2008

Matched asymptotic expansion is a useful technique in General Relativity and other fields whenever interaction takes place between physics at two different length scales. Here matched asymptoticâ€¦ (More)