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Searching for codes credited to 'Renaux-Petel, Sébastien'

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[ascl:2412.012] CosmoFlow: A systematic approach to primordial correlators

CosmoFlow automatically computes cosmological correlators. The Cosmological Flow approach is based on computing cosmological correlators by solving differential equations in time governing their time evolution through the entirety of the spacetime during inflation, from their origin as quantum fluctuations in the deep past to the end of inflation. This method takes into account all physical effects at tree-level without approximation. Specifically, CosmoFlow computes the two- and three-point correlators of fields and/or conjugate momenta X a in Fourier space that includes an arbitrary number of degrees of freedom with any propagation speeds, couplings, and time-dependencies.