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gr-qc2016
Hawking radiation from acoustic black holes in two space dimensions
Gregory Eskin
We study the Hawking radiation for the acoustic black hole. In the beginning we follow the outline of T.Jacobson but then we use a different vacuum state similar to the vacuu…
math-ph2016
A simple approach to temporal cloaking
Gregory Eskin
In recent years a remarkable progress was made in the construction of spatial cloaks using the methods of transformation optics and metamaterials. The temporal cloaking, i.e. the c…