The 81st JSAP Autumn Meeting, 2020

Presentation information

Oral presentation

11 Superconductivity » 11.5 Junction and circuit fabrication process, digital applications

[8p-Z27-1~17] 11.5 Junction and circuit fabrication process, digital applications

Tue. Sep 8, 2020 1:00 PM - 5:30 PM Z27

Mutsuo Hidaka(AIST), Yuki Yamanashi(Yokohama Natl. Univ.)

2:45 PM - 3:00 PM

[8p-Z27-8] Theory of black hole solitons in Josephson transmission lines Ⅱ

Haruna Katayama1, Noriyuki Hatakenaka1, Toshiyuki Fujii2 (1.Hiroshima Univ., 2.Asahikawa Medical Univ.)

Keywords:Josephson transmission lines, Korteweg-de Vries solitons, Hawking radiation

In the previous meeting (14a-B408-5), it is found that the current flowing through the circuit in Josephson transmission lines obeys the defocusing modified Korteweg-de Vries equation with shock-wave-type (current) solitons. It is also clarified that the current solitons behave as analogue black holes. Here we succeeded in deriving the formulae for the Hawking radiation temperature in our analogue black holes based on the quantum-tunneling mechanism, which is exactly identical with the previous studies. We also show that the Hawking temperature is experimentally accessible within the existing technologies.