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hep-th2026
Cosmological Correlators Using Tensor Networks
Ujjwal Basumatary, Aninda Sinha, Xinan Zhou
We develop a nonperturbative tensor-network framework for computing cosmological correlators in de Sitter space and use it to test the proposal that suitably defined in-in correlat…
hep-th2026★ 1 cited
Five-point partial waves, splitting constraints and hidden zeros
Arnab Priya Saha, Aninda Sinha
We introduce a partial-wave basis for the double residues of five-point tree amplitudes involving identical external scalar particles, decomposing them into exchanges of definite s…