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Nonlinear conformal-degree-preserving Dirac equations in 2+1 space-time. (arXiv:1807.01177v1 [quant-ph])
来源于:arXiv
We propose nonlinear Dirac equations where the conformal degree of the
self-interaction terms are equal to that of the Dirac operator and the coupling
parameters are dimensionless. As such, the massless equation is conformally
invariant and preserves the conformal degree for both the linear and nonlinear
components. In 2+1 space-time, we use these features to propose three- and
four-parameter nonlinear Dirac equation models that might be useful for
applications in 2D systems such as graphene sheets, ribbons and nanotubes. 查看全文>>