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gr-qc2023★ 6 cited
Analogue Hawking radiation as a tunneling in a two-level -symmetric system
Bijan Bagchi, Rahul Ghosh, Sauvik Sen
In the light of a general scenario of a two-level non-Hermitian -symmetric Hamiltonian we apply the tetrad-based method to analyze the possibility of analogue Hawking…
cond-mat.mes-hall2023★ 7 cited
Dirac equation in curved spacetime: the role of local Fermi velocity
B. Bagchi, A. Gallerati, R. Ghosh
We study the motion of charge carriers in curved Dirac materials, in the presence of a local Fermi velocity. An explicit parameterization of the latter emerging quantity for a nano…