2016/12/31 by É. V. Gorbar, E. V. Gorbar, V. A. Miransky +2 · 1 citation
Physics and Astronomy · #Condensed matter physics #Electric field #Formalism (music) #Kinetic energy #Magnetic field #Physics #Quantum and electron transport phenomena #Quantum electrodynamics #Quantum mechanics #Quantum, superfluid, helium dynamics #Theoretical physics #Topological Materials and Phenomena #cond-mat.mes-hall #hep-th #nucl-th
paper · pdf · doi:10.1103/physrevb.95.115422
published as Phys. Rev. B 95, 115422 (2017) · 19 pages, 6 multipanel figures; published version with new section IV on Weyl/Dirac materials with multiple pairs of Weyl nodes
openalex publication_date 2017/03/20 · arxiv created 2017/03/24 · arxiv updated 2017/03/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06
The existence of pseudomagnetic helicons is predicted for strained Dirac and Weyl materials. The corresponding collective modes are reminiscent of the usual helicons in metals in strong magnetic fields but can exist even without a magnetic field due to a strain-induced background pseudomagnetic field. The properties of both pseudomagnetic and magnetic helicons are investigated in Weyl matter using the formalism of the consistent chiral kinetic theory. It is argued that the helicon dispersion relations are affected by the electric and chiral chemical potentials, the chiral shift, and the energy separation between the Weyl nodes. The effects of multiple pairs of Weyl nodes are also discussed. A simple setup for experimental detection of pseudomagnetic helicons is proposed.