Direction-dependent magnetoelectric conductivity from dipolar topological semimetals

arXiv:2609.26676 · cond-mat.mes-hall, hep-th · Submitted 2026-09-22 · Read on arXiv

cond-mat.mes-hall, hep-th

Submitted: 2026-09-22

Updated: 2026-10-20

Comments: 55 pages, 9 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Anisotropy — 6× in this paper · explained in 4 episodes
• Berry Curvature — 5× in this paper · explained in 5 episodes
• Chern Number — 2× in this paper · explained in 4 episodes
• Alternation — 1× in this paper
• Berry curvature dipole — 1× in this paper · explained in 2 episodes
• Boltzmann Equation — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Effective Hamiltonian — 1× in this paper · explained in 2 episodes
• Hilbert Space — 1× in this paper · explained in 2 episodes
• Lifshitz transition — 1× in this paper · explained in 3 episodes
• Pseudomagnetic Field — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 6 episodes
• Symmetry Breaking — 1× in this paper · explained in 4 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Unconventional magnetoelectric conductivity and electrochemical response from dipole-like sources of Berry curvature
• Interplay of strain-induced axial gauge fields and intrinsic band-topology in the magnetoelectric conductivity of gapped nodal rings
• Linear response from tilted Dirac cones under strain-induced pseudomagnetic fields

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