2 papers
hep-th2026
Density matrix of de Sitter JT gravity
Wilfried Buchmuller, Alexander Westphal
Jackiw-Teitelboim (JT) gravity in two-dimensional de Sitter space is an intriguing toy model for a quantum mechanical description of an inflationary phase of the universe, includin…
hep-th2025
DeWitt wave functions for de Sitter JT gravity
Wilfried Buchmuller, Arthur Hebecker, Alexander Westphal
Jackiw-Teitelboim (JT) gravity in two-dimensional de Sitter space is an intriguing model for cosmological "wave functions of the universe". Its minisuperspace version already conta…