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Stealth black holes in shift symmetric kinetic gravity braiding
Reginald Christian Bernardo, John Celestial, Ian Vega
We derive all hairy stealth black holes in the most general second-order, shift symmetric, scalar-tensor theory with luminally propagating gravitational waves, often called kinetic…
Hair-dressing Horndeski: an approach to hairy solutions in cubic Horndeski gravity
Reginald Christian Bernardo, Ian Vega
In obtaining exact solutions in gravitational theories containing arbitrary model functions, such as Horndeski gravity, one usually starts by prescribing the model functions of the…
Weak gravitational lensing by two-power-law densities using the Gauss-Bonnet theorem
Karlo de Leon, Ian Vega
We study the weak-field deflection of light by mass distributions described by two-power-law densities , where and are non-negative integers. Ne…
Tailoring cosmologies in cubic shift-symmetric Horndeski gravity
Reginald Christian Bernardo, Ian Vega
We present a method for furnishing flat Friedman-Robertson-Walker spacetimes with nearly arbitrary dynamics in an important subclass of cubic Horndeski theory -- specifically shift…