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Abstract <p>The possibility of a plane solitary electromagnetic wave propagating in the plane of a square two-dimensional graphene-based superlattice at different angles to its axes is investigated. A nonlinear equation describing the vector potential of a solitary electromagnetic wave is obtained for a case of weak nonadditivity of the energy spectrum of carriers in a collisionless approximation. It is shown that plane solitary waves can propagate either along the superlattice axes or at an angle of 45° to them.</p>

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The Possibility of a Solitary Electromagnetic Wave Propagating in Arbitrary Directions in the Plane of a Two-Dimensional Graphene-Based Superlattice

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • S. Yu. Glazov,
  • N. E. Mescheryakova,
  • I. N. Fedulov

摘要

Abstract

The possibility of a plane solitary electromagnetic wave propagating in the plane of a square two-dimensional graphene-based superlattice at different angles to its axes is investigated. A nonlinear equation describing the vector potential of a solitary electromagnetic wave is obtained for a case of weak nonadditivity of the energy spectrum of carriers in a collisionless approximation. It is shown that plane solitary waves can propagate either along the superlattice axes or at an angle of 45° to them.