Bose-Einstein condensation superconductivity induced by disappearance of the nematic state
Takahiro Hashimoto, Y. Ota, Akihiro Tsuzuki, Tsubaki Nagashima, Akiko Fukushima, S. Kasahara, Yuji Matsuda, Kohei Matsuura, Yuta Mizukami, T. Shibauchi, Shik Shin, Kozo Okazaki
Abstract
= 0.21, where the nematic state that breaks the orbital degeneracy is fully suppressed. The substitution dependence is opposite to the expectation for single-band superconductors, which calls for a new mechanism of BCS-BEC crossover in this system.
Topics & Concepts
SuperconductivityCondensed matter physicsBose–Einstein condensatePhysicsCrossoverCondensationState (computer science)Liquid crystalComputer scienceThermodynamicsAlgorithmArtificial intelligenceIron-based superconductors researchPhysics of Superconductivity and MagnetismSuperconductivity in MgB2 and Alloys