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gr-qc2024★ 4 cited
Boundary choices and one-loop complex gravitational path integral
Manishankar Ailiga, Shubhashis Mallik, Gaurav Narain
The path integral of 4D Einstein-Hilbert gravity for the de Sitter-like Universe with fluctuations is investigated, and the transition amplitude from one boundary configuration to…
gr-qc2024★ 8 cited
Lorentzian Robin Universe of Gauss-Bonnet Gravity
Manishankar Ailiga, Shubhashis Mallik, Gaurav Narain
The gravitational path-integral of Gauss-Bonnet gravity is investigated and the transition from one spacelike boundary configuration to another is analyzed. Of particular interest…