Transverse Peierls Transition

Abstract

In the present paper, we have discussed a new type of spontaneous symmetry breaking phases caused by the softening of the transverse acoustic phonon modes through the electron phonon coupling. These new phases include the shear density wave and self-twisting wave, which are caused by the softening of linearly and circularly polarized acoustic phonon modes, respectively. We propose that two of the topological semimetal systems in the quantum limit, where the electrons only occupy the lowest Landau bands under external magnetic field, will be the perfect systems to realize these new phases. Exotic physical effects will be induced in these new phases, including the 3D quantum Hall effect, chiral standing acoustic wave, magneto-acoustic effects and chiral phonon correction to Einstein-de Hass effect.

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Cited by in corpus (3)

• Moiré optical phonons dancing with heavy electrons in magic-angle twisted bilayer graphene
• Holstein polaron in a pseudospin-$1$ quantum spin Hall system: first and second order topological phase transitions
• Comprehensive Study of Phonon Chirality under Symmetry Constraints