Light-induced collective pseudospin precession resonating with Higgs mode in a superconductor
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- Ryusuke Matsunaga
- Department of Physics, University of Tokyo, Hongo, Tokyo, 113-0033, Japan.
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- Naoto Tsuji
- Department of Physics, University of Tokyo, Hongo, Tokyo, 113-0033, Japan.
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- Hiroyuki Fujita
- Department of Physics, University of Tokyo, Hongo, Tokyo, 113-0033, Japan.
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- Arata Sugioka
- Department of Physics, University of Tokyo, Hongo, Tokyo, 113-0033, Japan.
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- Kazumasa Makise
- Kobe Advanced Research Center, National Institute of Information and Communications Technology, Hyogo 651-2492, Japan.
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- Yoshinori Uzawa
- National Astronomical Observatory of Japan, Osawa, Mitaka, Tokyo 181-8588, Japan.
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- Hirotaka Terai
- Kobe Advanced Research Center, National Institute of Information and Communications Technology, Hyogo 651-2492, Japan.
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- Zhen Wang
- Kobe Advanced Research Center, National Institute of Information and Communications Technology, Hyogo 651-2492, Japan.
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- Hideo Aoki
- Department of Physics, University of Tokyo, Hongo, Tokyo, 113-0033, Japan.
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- Ryo Shimano
- Department of Physics, University of Tokyo, Hongo, Tokyo, 113-0033, Japan.
説明
<jats:title>Optically manipulating superconductors</jats:title> <jats:p> In superconductors, electrons of opposite momenta pair to form a highly correlated state that manages to flow without encountering any resistance. Matsunaga <jats:italic>et al.</jats:italic> manipulated the wavefunction of these pairs in the superconductor NbN with an electromagnetic pulse that they transmitted through a thin layer of the material (see the Perspective by Pashkin and Leitenstorfer). The superconducting gap, which is the energy needed to break the pairs apart, oscillated at twice the frequency of the pulse's electric field. When they matched this frequency to half the gap, the authors excited a collective mode in the superconductor called the Higgs mode, a relative of the Higgs boson in particle physics. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6201" page="1145" related-article-type="in-this-issue" vol="345" xlink:href="10.1126/science.1254697">1145</jats:related-article> ; see also p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6201" page="1121" related-article-type="in-this-issue" vol="345" xlink:href="10.1126/science.1257302">1121</jats:related-article> </jats:p>
収録刊行物
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- Science
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Science 345 (6201), 1145-1149, 2014-09-05
American Association for the Advancement of Science (AAAS)
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詳細情報 詳細情報について
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- CRID
- 1360002218438992384
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- ISSN
- 10959203
- 00368075
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- データソース種別
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