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Fractal phase structure of QCD under imaginary rotation
Rin Takada
We show that in hot QCD rotating at an imaginary angular velocity , the angular velocity selects not only the temperature of the bulk but whether charge conjugation is bro…
Imaginary Rotation Breaks Charge Conjugation in Hot QCD
Rin Takada
Starting from the identity on the color-singlet physical state space, we derive a density-operator identity that ties imaginary rotation to an imagin…
Resonant electromagnetic leptogenesis with coherent heavy-neutrino evolution
Rin Takada
We study TeV-scale electromagnetic leptogenesis generated by the gauge-invariant neutrino-dipole operators and . The benchmark Wilson coefficients are specified at…
Yukawa-assisted charged-lepton dipoles in resonant electromagnetic leptogenesis
Rin Takada
We study the charged-lepton dipole contribution that is linear in the neutrino-dipole coefficients and in the renormalizable neutrino Yukawa matrix . We consider a…
Electromagnetic Leptogenesis -- an EFT-Consistent Analysis via Wilson Coefficients. Part II. Low-Scale, Resonant Regime
Rin Takada
We study electromagnetic leptogenesis (EMLG) in the low-scale, resonant regime within a fully effective-field-theory (EFT)--consistent framework. Starting from a UV Lagrangian and…
Electromagnetic Leptogenesis -- an EFT-Consistent Analysis via Wilson Coefficients. Part I. Low-Scale, Non-Resonant Regime
Rin Takada
We analyse electromagnetic leptogenesis within the framework of an effective field theory, where the dynamics is governed by the gauge-invariant dipole operator . The Wilso…
Leptogenesis in the presence of density perturbations
Kenta Hotokezaka, Ryusuke Jinno, Rin Takada
We point out a new effect on the freeze-out process of heavy particles induced by density perturbations in the early universe, which we call ``acoustically driven freeze-out.'' Thi…