An all-electronic FRG with retarded phonon-mediated interactions treats charge, spin, nematic, and pairing instabilities on equal footing and is illustrated for the square-lattice Hubbard model with acoustic phonons.
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Supercurrent induces phonon angular momentum in mixed parity superconductors and s-wave superconductors with spin-orbit coupling, with analytical expressions derived via perturbative calculation.
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Electron-Phonon Functional Renormalization Group of Fermi Liquid Instabilities
An all-electronic FRG with retarded phonon-mediated interactions treats charge, spin, nematic, and pairing instabilities on equal footing and is illustrated for the square-lattice Hubbard model with acoustic phonons.
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Supercurrent-induced phonon angular momentum
Supercurrent induces phonon angular momentum in mixed parity superconductors and s-wave superconductors with spin-orbit coupling, with analytical expressions derived via perturbative calculation.