LATENT REFERENCES / TAG2
Pines' Demon
Original title: パインズの悪魔
This reference note belongs to Tag2 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Physics. The note preserves its source text and links so that readers can trace the material behind the 3D map.
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Pines’ demon refers to a composite particle formed by electrons coupling in a solid that is massless, electrically neutral, and does not interact with light. It is thought that it may play important roles in phenomena such as phase transitions in mixed-valence semimetals, the optical properties of metal nanoparticles, and high-temperature superconductivity in metal hydrides, and it is reportedly expected to be widespread in other multiband metals as well. The research paper was published online in Nature on 2023/8/9.
https://www.newsweekjapan.jp/akane/2023/08/post-63.php
パインズの悪魔は、固体中では電子が結合して形成される、質量がなく、電気的に中性で、光と相互作用しない複合粒子を指す。混合原子価半金属の相転移などの現象や、金属ナノ粒子の光学特性、金属水素化物における高温超伝導などで重要な役割を果たしているのではないかと考えられており、他のマルチバンド金属でも広く存在するものと期待されるという。研究論文は、ネイチャー（Nature）に2023年8月9日付けでオンライン掲載された。
https://www.newsweekjapan.jp/akane/2023/08/post-63.php
Source updated 2023-09-11 · Snapshot 2026-10-08