Exact fermionic bubble loop signals in cosmological collider physics are obtained via spectral and Mellin-Barnes methods, with the Yukawa bispectrum vanishing identically due to field redefinition.
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Torsion-induced fermion condensate produces hybrid inflation with axial-chemical-potential waterfall, Q-ball PBH seeds, and parity-violating signatures in Chern-Simons gravity.
Modular spontaneous CP breaking during inflation with the modulus as inflaton produces one-loop cosmological collider signals from SM fermions enhanced by chemical potentials, allowing probes of sub-Planckian modulus decay constants.
citing papers explorer
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Fermionic Bubble Loop in Cosmological Collider Revisited: Exact signals from spectral and Mellin-Barnes methods
Exact fermionic bubble loop signals in cosmological collider physics are obtained via spectral and Mellin-Barnes methods, with the Yukawa bispectrum vanishing identically due to field redefinition.
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Fermion Condensate Inflation, Dynamical Waterfall Mechanism and Primordial Black Holes
Torsion-induced fermion condensate produces hybrid inflation with axial-chemical-potential waterfall, Q-ball PBH seeds, and parity-violating signatures in Chern-Simons gravity.
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Cosmological collider signals of modular spontaneous CP breaking
Modular spontaneous CP breaking during inflation with the modulus as inflaton produces one-loop cosmological collider signals from SM fermions enhanced by chemical potentials, allowing probes of sub-Planckian modulus decay constants.