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Kinetic field theory: effects of modified gravity theories with screening mechanisms on non-linear cosmic density fluctuations
Alexander Oestreicher, Harshda Saxena, Niklas Reinhardt +3
In a mean-field approximation within Kinetic Field Theory, it is possible to derive an accurate analytic expression for the power spectrum of present-day non-linear cosmic density…
Kinetic field theory: Non-linear cosmic power spectra in the mean-field approximation
Matthias Bartelmann, Johannes Dombrowski, Sara Konrad +5
We use the recently developed Kinetic Field Theory (KFT) for cosmic structure formation to show how non-linear power spectra for cosmic density fluctuations can be calculated in a…
Constraining the cosmological evolution of scalar-tensor theories with local measurements of the time variation of G
Clare Burrage, Johannes Dombrowski
We determine the conditions for which the constraints from lunar laser ranging on the time evolution of the local gravitational constant can be extrapolated to impose constraints o…
Analytic calculation of the non-linear cosmic density-fluctuation power spectrum in the Born approximation
Matthias Bartelmann, Felix Fabis, Sara Konrad +4
We derive a non-perturbative, closed, analytic equation for the non-linear power spectrum of cosmic density fluctuations. This result is based on our kinetic field theory (KFT) of…
Kinetic Field Theory: Cosmic Structure Formation and Fluctuation-Dissipation Relations
Johannes Dombrowski, Felix Fabis, Matthias Bartelmann
Building upon the recently developed formalism of Kinetic Field Theory (KFT) for cosmic structure formation by Bartelmann et al., we investigate a kinematic relationship between di…
Kinetic Field Theory: Effects of momentum correlations on the cosmic density-fluctuation power spectrum
Matthias Bartelmann, Felix Fabis, Elena Kozlikin +3
In earlier work, we have developed a Kinetic Field Theory (KFT) for cosmological structure formation and showed that the non-linear density-fluctuation power spectrum known from nu…