Self-tuning flat domain walls in 5D gravity and string theory
By S. Kachru, M. Schulz, E. Silverstein. 2000
280 citations recorded by the source corpus.
We present Poincare-invariant domain wall (''three-brane'') solutions to some five-dimensional effective theories which can arise naturally in string theory. In particular, we find theories where Poincare-invariant solutions exist for arbitrary values of the brane tension, for certain restricted forms of the bulk interactions. We describe examples in string theory where it would be natural for the quantum corrections to the tension of the brane (arising from quantum fluctuations of modes with support on the brane) to maintain the required form of the action. In such cases, the Poincare-invariant solutions persist in the presence of these quantum corrections to the brane tension, so that no 4D cosmological constant is generated by these modes. (c) 2000 The American Physical Society.
Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics, Statistical and Nonlinear Physics
View Paper: https://www.semanticscholar.org/paper/0b987371020b4af168bf5e8ae73152115b3acf3b
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Citations in the corpus
- The Cosmological Constant from the Viewpoint of String Theory (2000, background): “So the singularities encountered in [18, 19 ] may well not have any sensible physical”
- A Comment on Self-Tuning and Vanishing Cosmological Constant in the Brane World (2000, methodology): “We believe that this sheds more light on the recently advertised miraculous self-tuning mechanism of [2],[ 3 ].”
- Thick domain walls and singular spaces (2000, background): “Another way of dealing with the violations of various conservation laws in the fourdimensional theory is to impose unitary boundary conditions [23].”
- Quantization of four-form fluxes and dynamical neutralization of the cosmological constant (2000, background): “A third mechanism is the existence of naked singularities in compactified dimensions [8, 9 ], where the undetermined boundary conditions at the singularity become a variation of the effective four dimensional Lagrangian.”
- Curvature Singularities: the Good, the Bad, and the Naked (2000, background): “The generalization of [81] is to demand only that W (~ φ) and ±λPl(~ φ) are tangent at some point.”