講演会のお知らせ （8/8： Johan Chang 氏　CMP, EPFL, CH-1015 Lausanne, Switzerland)

2014年08月07日

演題：Charge order, high-temperature superconductivity and pseudogap physics in the cuprates
講師：Johan Chang氏　(ICMP, EPFL, CH-1015 Lausanne, Switzerland)
日時：８月８日　１６：３０
場所：コラボレーション棟4階403室　共同研究室
概要：
　Recently, charge order has been observed by NMR [1], x-ray diffraction [2-6] and ultra sound [7] experiments in the cuprate system YBa2Cu3O7-x. The first part of this talk will be concerned with the most recent hard x-ray experiments [2-4] in high magnetic fields and competition between charge order and superconductivity will be discussed. This will be followed by a discussion of the possible connections between charge order and pseudogap physics. New photoemission spectroscopy data on the charge stripe order compound La1.6-xNd0.4SrxCuO4 will be presented [8].

[1] T. Wu et al., Nature 477, 191 (2011)
[2] E. Blackburn et al., Physical Review Letters 110, 137004 (2013)
[3] J. Chang et al., Nature Physics 8, 871 (2012)
[4] M. Hucker et al., arXiv:1405.7001
[5] S. Blanco-Canosa et al., Physical Review Letters 110, 187001 (2013)
[6] G. Ghiringhelli et al., Science 337, 821 (2012)
[7] D. LeBoeuf et al., Nature Physics 9, 79 (2013)
[8] C. E. Matt et al., in preparation

連絡先：物理学科 川崎　(内線7803)