TY - GEN
T1 - Real-time creation of curved space-time for gravitational lensing in phononic crystals
AU - Jana, S.
AU - Sirota, L.
N1 - Publisher Copyright:
© 2023 IEEE.
PY - 2023
Y1 - 2023
N2 - We propose a method to generate an artificial curved space-time metric that mimics the metric at the vicinity of a black hole. This metric supports the gravitational lensing phenomenon, describing the deflection of light beams around the event horizon. Our model is based on the quantum condensed matter formalism for Weyl semimetals with an inhomogeneous circular potential, resulting in space-dependent tilted dispersion cones. We numerically realize a classical analogue of this quantum system by inducing active feedback interactions in a two-dimensional square phononic crystal. The feedback mechanism is necessary to generate the non-reciprocal Weyl Hamiltonian couplings in the classical dynamical matrix.
AB - We propose a method to generate an artificial curved space-time metric that mimics the metric at the vicinity of a black hole. This metric supports the gravitational lensing phenomenon, describing the deflection of light beams around the event horizon. Our model is based on the quantum condensed matter formalism for Weyl semimetals with an inhomogeneous circular potential, resulting in space-dependent tilted dispersion cones. We numerically realize a classical analogue of this quantum system by inducing active feedback interactions in a two-dimensional square phononic crystal. The feedback mechanism is necessary to generate the non-reciprocal Weyl Hamiltonian couplings in the classical dynamical matrix.
UR - http://www.scopus.com/inward/record.url?scp=85177573384&partnerID=8YFLogxK
U2 - 10.1109/Metamaterials58257.2023.10289393
DO - 10.1109/Metamaterials58257.2023.10289393
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AN - SCOPUS:85177573384
T3 - 17th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2023
SP - 353
EP - 355
BT - 17th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2023
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 17th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2023
Y2 - 11 September 2023 through 16 September 2023
ER -