青木 大

Discovering and understanding of competing ground states of strongly correlated electron systems is one of the central problems in condensed matter physics. The heavy fermion systems are ideal model systems and played in the past, and still now, a central role in the understanding of intricately linked phenomena such as magnetic quantum criticality, unconventional superconductivity, and other exotic, or unidentified states like multipolar order or other “hidden” orders. Research in this field relies more and more on the use of extreme conditions, very low temperature, high magnetic field, and high pressure. This will allow to explore a complex landscape of phenomena but also to tune the balance between the different phases and the quantum transitions between them. Another crucial ingredient to successful research in this field is the availability of high quality single crystals. The purpose of the presented research program is to gain further understanding of the physics of strongly correlated electron systems. The development of new high pressure techniques allowing exploring new experimental probes under high pressure is central to the proposed program. The program will bring to

昨年度に引き続きアクチノイド化合物における新物質開発と新奇超伝導体の探索を行う。重い電子系超伝導体の純良単結晶育成を行い、NMR、ドハース効果などの微視的測定手段を用いて、異方的磁気ゆらぎによる高い臨界磁場、高い転移温度の発現機構解明を目指す。

アクチノイド化合物の純良単結晶育成と異方的超伝導の微視的測定手段による研究

欧州研究会議（ERC）によるヨーロッパにおける研究助成。新物質開発と極限環境下における実験により新しい重い電子系の物理の開拓を目指す。

フランスANRによる研究助成。ウラン化合物の純良単結晶育成育成と異方的超伝導に関する研究

ネプツニウム化合物の育成と物性研究

ネプツニウム化合物の育成と物性研究

ネプツニウム化合物の純良単結晶育成を行ない異方的超伝導の探索を行なうことで、5f電子の磁性と超伝導を総合的な見地から研究する