5 citations · 8 across the 5 of their papers we have counts for
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Complete background cosmology of parity-even quadratic metric-affine gravity
Thomas Dyer, Will Barker, Damianos Iosifidis
The cosmology of metric-affine gravity is studied for the general, parity preserving action quadratic in curvature, torsion and non-metricity. The model contains 27 a priori indepe…
Manifestly covariant variational principle for gauge theories of gravity
Michael Hobson, Anthony Lasenby, Will Barker
A variational principle for gauge theories of gravity is presented, which maintains manifest covariance under the symmetries to which the action is invariant, throughout the calcul…
Gravitomagnetism and galaxy rotation curves: a cautionary tale
A. N. Lasenby, M. P. Hobson, W. E. V. Barker
We investigate recent claims that gravitomagnetic effects in linearised general relativity can explain flat and rising rotation curves, such as those observed in galaxies, without…
Does gravitational confinement sustain flat galactic rotation curves without dark matter?
W. E. V. Barker, M. P. Hobson, A. N. Lasenby
The short answer is . Specifically, this paper considers a recent body of work which suggests that general relativity requires neither the support of dark mat…
The effective inflationary potential of constant-torsion emergent gravity
C. Rew, W. E. V. Barker
Constant-torsion emergent gravity (CTEG) has a Lagrangian quadratic in curvature and torsion, but without any Einstein--Hilbert term. CTEG is motivated by a unitary, power-counting…