Testing CPT- and Lorentz-odd electrodynamics with waveguides

Abstract

We study CPT- and Lorentz-odd electrodynamics described by the Standard Model Extension. Its radiation is confined to the geometry of hollow conductor waveguide, open along $z$. In a special class of reference frames, with vanishing both 0-th and $z$ components of the background field, $(k_{\mathrm{AF}}{)}^{\mu }$, we realize a number of {\em huge and macroscopically detectable} effects on the confined waves spectra, compared to standard results. Particularly, if $(k_{\mathrm{AF}}{)}^{\mu }$ points along $x$ (or $y$) direction only transverse electric modes, with $E_z=0$, should be observed propagating throughout the guide, while all the transverse magnetic, $B_z=0$, are absent. Such a strong mode suppression makes waveguides quite suitable to probe these symmetry violations using a simple and easily reproducible apparatus.

11pages, double-spacing, tex format

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Cited by in corpus (10)

• Mottness: Identifying the Propagating Charge Modes in doped Mott Insulators
• Feynman propagator for the nonbirefringent CPT-even electrodynamics of the Standard Model Extension
• Optical-cavity tests of higher-order Lorentz violation
• Aspects of a planar nonbirefringent and CPT-even electrodynamics stemming from the Standard Model Extension
• Dimensional reduction of the CPT-even electromagnetic sector of the Standard Model Extension
• Optical-Cavity Limits on Higher-Order Lorentz Violation
• Measuring Supersymmetry with Heavy Scalars
• Non-abelian T-duality, generalised geometry and holography
• Limits on the Carroll-Field-Jackiw electrodynamics from geomagnetic data
• Exact modes, hybridization and polarization rotation of electromagnetic fields propagating in topological insulating slab