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Conferences > CLEO_QELS > 2013 > QTh5B > QTh5B.4

Terahertz Pulse-Induced Higgs Mode in a BCS Superconductor Nb0.8Ti0.2N Film

Ryusuke Matsunaga, Yuki I. Hamada, Kazumasa Makise, Yoshinori Uzawa, Hirotaka Terai, Zhen Wang, and Ryo Shimano

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Abstract

By using an intense monocycle-like THz pulse, we observed the Higgs amplitude mode in a BCS superconductor Nb0.8Ti0.2N film. A clear oscillation of the BCS gap energy was identified in the transmittance of the THz probe beam.

© 2013 Optical Society of America

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