
Dirac masses can be generated in photonic synthetic lattices through non-Hermitian perturbations induced by optical gain and loss, leading to novel quasiparticle phenomena like Klein tunneling and time-reflection effects.


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By using a photonic synthetic lattice, it can be experimentally demonstrated that Dirac masses can be induced by means of non-Hermitian perturbations based on optical gain and loss.

Dirac mass induced by optical gain and loss - Nature

generating-dirac-masses-through-optical-gain-and-loss-in-photonic-synthetic-lattices


Generating Dirac Masses through Optical Gain and Loss in Photonic Synthetic Lattices
