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Quantum Effects in Early Universe Cosmology

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Publications

Nonsingular bounces catalyzed by dark energy

Author(s): Sebastian F. Bramberger, Jean-Luc Lehners
Published in: Physical Review D, Issue 99/12, 2019, ISSN 2470-0010
DOI: 10.1103/PhysRevD.99.123523

Safe beginning for the Universe?

Author(s): Jean-Luc Lehners, K. S. Stelle
Published in: Physical Review D, Issue 100/8, 2019, ISSN 2470-0010
DOI: 10.1103/physrevd.100.083540

Quantum incompleteness of inflation

Author(s): Alice Di Tucci, Job Feldbrugge, Jean-Luc Lehners, Neil Turok
Published in: Physical Review D, Issue 100/6, 2019, ISSN 2470-0010
DOI: 10.1103/PhysRevD.100.063517

No-Boundary Proposal as a Path Integral with Robin Boundary Conditions

Author(s): Alice Di Tucci, Jean-Luc Lehners
Published in: Physical Review Letters, Issue 122/20, 2019, ISSN 0031-9007
DOI: 10.1103/PhysRevLett.122.201302

Homogeneous transitions during inflation: A description in quantum cosmology

Author(s): Sebastian F. Bramberger, Alice Di Tucci, Jean-Luc Lehners
Published in: Physical Review D, Issue 101/6, 2020, ISSN 2470-0010
DOI: 10.1103/PhysRevD.101.063501

Kerr-NUT-de Sitter as an inhomogeneous non-singular bouncing cosmology

Author(s): Andrés Anabalón, Sebastian F. Bramberger, Jean-Luc Lehners
Published in: Journal of High Energy Physics, Issue 2019/9, 2019, ISSN 1029-8479
DOI: 10.1007/JHEP09(2019)096

No-boundary prescriptions in Lorentzian quantum cosmology

Author(s): Alice Di Tucci, Jean-Luc Lehners, Laura Sberna
Published in: Physical Review D, Issue 100/12, 2019, ISSN 2470-0010
DOI: 10.1103/physrevd.100.123543