Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2009-10-12
JHEP 1003:047,2010
Physics
High Energy Physics
High Energy Physics - Theory
24 pages, 1 figure
Scientific paper
10.1007/JHEP03(2010)047
We solve the equations of motion of five-dimensional ungauged supergravity coupled to three U(1) gauge fields using a floating-brane Ansatz in which the electric potentials are directly related to the gravitational warp factors. We find a new class of non-BPS solutions, that can be obtained linearly starting from an Euclidean four-dimensional Einstein-Maxwell base. This class - the largest known so far - reduces to the BPS and almost-BPS solutions in certain limits. We solve the equations explicitly when the base space is given by the Israel-Wilson metric, and obtain solutions describing non-BPS D6 and anti-D6 branes kept in equilibrium by flux. We also examine the action of spectral flow on solutions with an Israel-Wilson base and show that it relates these solutions to almost-BPS solutions with a Gibbons-Hawking base.
Bena Iosif
Giusto Stefano
Ruef Clement
Warner Nicholas P.
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