In stabilized Randall-Sundrum braneworlds, on-brane matter with positive trace of the energy-momentum tensor shifts the radion VEV and destroys gauge hierarchy resolution while negative trace preserves stability; explicit tachyonic instability conditions are derived for the Planck brane in FLRW and
TASI Lectures on Extra Dimensions and Branes
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abstract
This is a pedagogical introduction into theories with branes and extra dimensions. We first discuss the construction of such models from an effective field theory point of view, and then discuss large extra dimensions and some of their phenomenological consequences. Various possible phenomena (split fermions, mediation of supersymmetry breaking and orbifold breaking of symmetries) are discussed next. The second half of this review is entirely devoted to warped extra dimensions, including the construction of the Randall-Sundrum solution, intersecting branes, radius stabilization, KK phenomenology and bulk gauge bosons.
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UNVERDICTED 3representative citing papers
Supersymmetry can stabilize an ultralight dilaton dark matter candidate, but gravity restricts its Standard Model couplings to undetectable levels, making consistent model building involved.
This review summarizes tidal Love numbers and dissipation effects for black holes, neutron stars, and exotic objects, noting vanishing static bosonic Love numbers for black holes in GR but nonzero values for fermions and exotic objects, with implications for gravitational-wave astronomy.
citing papers explorer
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Tachyonic (In)stability in Randall-Sundrum Braneworld Scenarios
In stabilized Randall-Sundrum braneworlds, on-brane matter with positive trace of the energy-momentum tensor shifts the radion VEV and destroys gauge hierarchy resolution while negative trace preserves stability; explicit tachyonic instability conditions are derived for the Planck brane in FLRW and
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Ultralight Dilatonic Dark Matter
Supersymmetry can stabilize an ultralight dilaton dark matter candidate, but gravity restricts its Standard Model couplings to undetectable levels, making consistent model building involved.
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Tidal Response of Compact Objects
This review summarizes tidal Love numbers and dissipation effects for black holes, neutron stars, and exotic objects, noting vanishing static bosonic Love numbers for black holes in GR but nonzero values for fermions and exotic objects, with implications for gravitational-wave astronomy.