Domain-Wall Ferroelectric Polarons in a two-dimensional Rotor Lattice Model
arXiv:2407.19993 · doi:10.1103/PhysRevLett.134.096302
Abstract
We demonstrate the formation of ferroelectric domain-wall polarons in a minimal two-dimensional lattice model of electrons interacting with rotating dipoles. Along the domain-wall, the rotors polarize in opposite directions, causing the electron to localize along a particular lattice direction. The rotor-electron coupling is identified as the origin of a structural instability in the crystal that leads to the domain-wall formation via a symmetry-breaking process. Our results provide the first theoretical description of ferroelectric polarons, as discussed in the context of soft semiconductors.
6 pages, 4 figures
References in corpus (22)
- A tight-binding approach to uniaxial strain in graphene
- A toolbox for lattice spin models with polar molecules
- Local polar fluctuations in lead halide perovskite crystals
- Diamondoid Molecules
- Universal phase diagram of a strongly interacting Fermi gas with unbalanced spin populations
- The Holstein Polaron
- How Lattice and Charge Fluctuations Control Carrier Dynamics in Halide Perovskites
- On-Demand Entanglement of Molecules in a Reconfigurable Optical Tweezer Array
- Dynamical crystal creation with polar molecules or Rydberg atoms in optical lattices
- Rotational Coherence Times of Polar Molecules in Optical Tweezers
- Prospects and Applications Near Ferroelectric Quantum Phase Transitions
- Anharmonic electron-phonon coupling in ultrasoft and locally disordered perovskites
- Quantum Monte Carlo Simulations of the 2D Su-Schrieffer-Heeger Model
- Anharmonic lattice dynamics via the special displacement method
- Peierls versus Holstein models for describing electron-phonon coupling in perovskites
- Reconstructing quantum molecular rotor ground states
- Phonon-modulated-hopping Polarons: X-representation Technique
- Quantum phases of dipolar rotors on two-dimensional lattices
- Optimal control of interacting quantum systems based on the first-order Magnus approximation: Application to multiple dipole-dipole coupled molecular rotors
- Anharmonic coherent dynamics of the soft phonon mode of a PbTe crystal
- Inhomogeneous charge textures stabilized by electron-phonon interactions in the t-J model
- Two-dimensional Hubbard Model in the presence of lattice distortions