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Measuring Dirac Cones in a Subwavelength Metamaterial.

Simon Yves1, Thomas Berthelot2,3, Mathias Fink1

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This summary is machine-generated.

Researchers created a novel metamaterial platform to mimic bidimensional systems. This allows for the study of solid-state physics challenges using tabletop experiments, replicating graphene's electronic properties.

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Area of Science:

  • Condensed Matter Physics
  • Metamaterials
  • Photonics

Background:

  • The discovery of bidimensional systems has spurred research into photonic analogues.
  • Tight-binding Hamiltonians describe many such systems.

Purpose of the Study:

  • To develop a general scheme for reproducing tight-binding Hamiltonian systems in locally resonant metamaterials.
  • To engineer the band structure of metamaterials by controlling their structure and composition.

Main Methods:

  • Utilizing locally resonant metamaterials with controlled structure and composition.
  • Numerical and experimental investigations in the microwave domain.
  • Reproducing the band structure of graphene.

Main Results:

  • Successfully engineered the band structure of metamaterials.
  • Accurately reproduced graphene's band structure, including Dirac cones.
  • Demonstrated the efficacy of a crystalline description for subwavelength systems.

Conclusions:

  • Locally resonant metamaterials offer a convenient tabletop platform for exploring solid-state physics phenomena.
  • Controlling metamaterial properties allows for the simulation of complex electronic systems.
  • A crystalline description is advantageous for subwavelength metamaterial systems.