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cond-mat.other2022
Tunneling time in -symmetric systems
Peng Guo, Vladimir Gasparian, Esther Jódar +1
In the present work we propose a generalization of tunneling time in parity and time ()-symmetric systems. The properties of tunneling time in $\mathcal{P}\…
cond-mat.other2022
Friedel formula and Krein's theorem in complex potential scattering theory
Peng Guo, Vladimir Gasparian
In this work, the generalization of Friedel formula and Krein's theorem in complex potential scattering theory is presented. The consequence of various symmetry constraints on dyna…