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Stellar Oscillations in Modified Gravity
Jeremy Sakstein
Starting from the equations of modified gravity hydrodynamics, we derive the equ tions of motion governing linear, adiabatic, radial perturbations of stars in scalar-tensor theorie…
Dynamics of Supersymmetric Chameleons
Philippe Brax, Anne-Christine Davis, Jeremy Sakstein
We investigate the cosmological dynamics of a class of supersymmetric chameleon models coupled to cold dark matter fermions. Supergravity corrections ensure that these models are e…
Pulsar Constraints on Screened Modified Gravity
Philippe Brax, Anne-Christine Davis, Jeremy Sakstein
We calculate the rate of energy loss from compact astrophysical objects due to a scalar field in screened modified gravity models of the chameleon, dilaton and symmetron types. The…