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Energy density as a probe of band representations in photonic crystals

Autor: de Paz, M. Blanco, Herrera, M. A. J., Huidobro, P. Arroyo, Alaeian, H., Vergniory, M. G., Bradlyn, B., Giedke, G., García-Etxarri, A., Bercioux, D.

Publikováno v: J. Phys.: Condens. Matter 34 314002 (2022)

Topological Quantum Chemistry (TQC) has recently emerged as a instrumental tool to characterize the topological nature of both fermionic and bosonic band structures. TQC is based on the study of band representations and the localization of maximally

Externí odkaz: http://arxiv.org/abs/2203.10908

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Corner modes of the breathing kagome lattice: origin and robustness

Autor: Herrera, M. A. J., Kempkes, S. N., de Paz, M. Blanco, Swart, A. García-Etxarri I., Smith, C. Morais, Bercioux, D.

Publikováno v: Physical Review B 105, 085411 (2022)

We study the non-trivial phase of the two-dimensional breathing kagome lattice, displaying both edge and corner modes. The corner localized modes of a two-dimensional flake were initially identified as a signature of a higher-order topological phase

Externí odkaz: http://arxiv.org/abs/2201.07576

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Quantum electrodynamics in anisotropic and tilted Dirac photonic lattices

Autor: Redondo-Yuste, J., de Paz, M. Blanco, Huidobro, P. A., González-Tudela, A.

One of the most striking predictions of quantum electrodynamics is that vacuum fluctuations of the electromagnetic field can lead to spontaneous emission of atoms as well as photon-mediated interactions among them. Since these processes strongly depe

Externí odkaz: http://arxiv.org/abs/2106.10743

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