39 citations · 210 across the 12 of their papers we have counts for
3 papers · 1 filter
Lorentz signature and twisted spectral triples
Agostino Devastato, Shane Farnsworth, Fedele Lizzi +1
We show how twisting the spectral triple of the Standard Model of elementary particles naturally yields the Krein space associated with the Lorentzian signature of spacetime. We di…
Spinor driven cosmic bounces and their cosmological perturbations
Shane Farnsworth, Jean-Luc Lehners, Taotao Qiu
When coupling fermions to gravity, torsion is naturally induced. We consider the possibility that fermion bilinears can act as a source for torsion, altering the dynamics of the ea…
The Wavefunction of Anisotropic Inflationary Universes With No-Boundary Conditions
Sebastian F. Bramberger, Shane Farnsworth, Jean-Luc Lehners
We study the emergence of anisotropic (Bianchi IX) inflationary universes with no-boundary conditions in the path integral approach to quantum gravity. In contrast to previous work…