Lehners, Jean-Luc String Cosmology, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
1701.05753.pdf (Preprint), 3MB
Bramberger, S. F., Farnsworth, S., & Lehners, J.-L. (2017). The Wavefunction of Anisotropic Inflationary Universes With No-Boundary Conditions. Physical Review D, 95: 083513. doi:10.1103/PhysRevD.95.083513.