{"id":602254,"date":"2026-04-23T20:32:11","date_gmt":"2026-04-23T20:32:11","guid":{"rendered":"https:\/\/www.newsbeep.com\/us\/602254\/"},"modified":"2026-04-23T20:32:11","modified_gmt":"2026-04-23T20:32:11","slug":"planckian-scattering-and-parallel-conduction-channels-in-an-iron-chalcogenide-superconductor","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us\/602254\/","title":{"rendered":"Planckian scattering and parallel conduction channels in an iron chalcogenide superconductor"},"content":{"rendered":"

Hsu, F.-C. et al. Superconductivity in the PbO-type structure \u03b1-FeSe. Proc. Natl Acad. Sci. USA 105, 14262\u201314264 (2008).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Her, J. L. et al. Anisotropy in the upper critical field of FeSe and FeSe0.33Te0.67 single crystals. Supercond. Sci. Technol. 28, 045013 (2015).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Li, S. et al. First-order magnetic and structural phase transitions in Fe1+ySexTe1\u2212x. Phys. Rev. B 79, 054503 (2009).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Bao, W. et al. Tunable (\u03b4\u03c0, \u03b4\u03c0)-type antiferromagnetic order in \u03b1-Fe(Te,Se) superconductors. Phys. Rev. Lett. 102, 247001 (2009).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Kreisel, A., Hirschfeld, P. J. & Andersen, B. M. On the remarkable superconductivity of FeSe and its close cousins. Symmetry 12, 1402 (2020).<\/p>\n

Yin, J.-X. et al. Observation of a robust zero-energy bound state in iron-based superconductor Fe(Te,Se). Nat. Phys. 11, 543\u2013546 (2015).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Zhang, P. et al. Observation of topological superconductivity on the surface of an iron-based superconductor. Science 360, 182\u2013186 (2018).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Wang, D. et al. Evidence for Majorana bound states in an iron-based superconductor. Science 362, 333\u2013335 (2018).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Machida, T. et al. Zero-energy vortex bound state in the superconducting topological surface state of Fe(Se,Te). Nat. Mater. 18, 811\u2013815 (2019).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Zaki, N., Gu, G., Tsvelik, A., Wu, C. & Johnson, P. D. Time-reversal symmetry breaking in the Fe-chalcogenide superconductors. Proc. Natl Acad. Sci. USA 118, e2007241118 (2021).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Farhang, C. et al. Revealing the origin of time-reversal symmetry breaking in Fe-chalcogenide superconductor FeTe1\u2212xSex. Phys. Rev. Lett. 130, 046702 (2023).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Roppongi, M. et al. Topology meets time-reversal symmetry breaking in FeSe1-xTex superconductors. Nat. Commun. 16, 6573 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Sato, M. & Ando, Y. Topological superconductors: a review. Rep. Progr. Phys. 80, 076501 (2017).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Mukasa, K. et al. Enhanced superconducting pairing strength near a pure nematic quantum critical point. Phys. Rev. X 13, 011032 (2023).<\/p>\n


\n Google Scholar<\/a>\u00a0\n <\/p>\n

Yin, Z. P., Haule, K. & Kotliar, G. Kinetic frustration and the nature of the magnetic and paramagnetic states in iron pnictides and iron chalcogenides. Nat. Mater. 10, 932\u2013935 (2011).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Legros, A. et al. Universal T-linear resistivity and Planckian dissipation in overdoped cuprates. Nat. Phys. 15, 142\u2013147 (2019).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Homes, C. C. et al. Optical properties of the iron-chalcogenide superconductor FeTe0.55Se0.45. J. Phys. Chem. Solids 72, 505\u2013510 (2011).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Guo, H., Patel, A. A., Esterlis, I. & Sachdev, S. Large-N theory of critical Fermi surfaces. II. conductivity. Phys. Rev. B 106, 115151 (2022).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Cheng, B. et al. Anomalous gap-edge dissipation in disordered superconductors on the brink of localization. Phys. Rev. B 93, 180511 (2016).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Homes, C. C., Dai, Y. M., Wen, J. S., Xu, Z. J. & Gu, G. D. FeTe0.55Se0.45: a multiband superconductor in the clean and dirty limit. Phys. Rev. B 91, 144503 (2015).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Cooper, R. A. et al. Anomalous criticality in the electrical resistivity of La2\u2212xSrxCuO4. Science 323, 603\u2013607 (2009).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

van Heumen, E. et al. Strange metal electrodynamics across the phase diagram of Bi2\u2212xPbxSr2\u2212yLayCuO6+\u03b4 cuprates. Phys. Rev. B 106, 054515 (2022).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Clayhold, J. A. et al. Constraints on models of electrical transport in optimally doped La2\u2212xSrxCuO4 from measurements of radiation-induced defect resistance. J. Supercond. Nov. Magn. 23, 339\u2013342 (2010).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Tagay, Z. et al. BCS d-wave behavior in the terahertz electrodynamic response of electron-doped cuprate superconductors. Phys. Rev. B 104, 064501 (2021).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Mahmood, F., He, X., Bo\u017eovi\u0107, I. & Armitage, N. P. Locating the missing superconducting electrons in the overdoped cuprates La2\u2212xSrxCuO4. Phys. Rev. Lett. 122, 027003 (2019).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Wang, Y. et al. Separated transport relaxation scales and interband scattering in thin films of SrRuO3, CaRuO3, and Sr2RuO4. Phys. Rev. B 103, 205109 (2021).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Tinkham, M. & Ferrell, R. A. Determination of the superconducting skin depth from the energy gap and sum rule. Phys. Rev. Lett. 2, 331\u2013333 (1959).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Ferrell, R. A. & Glover, R. E. Conductivity of superconducting films: a sum rule. Phys. Rev. 109, 1398\u20131399 (1958).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Tinkham, M. Introduction to Superconductivity 2nd edn (Dover Publications, 2004).<\/p>\n

Islam, K. R. & Chubukov, A. Unconventional superconductivity mediated by nematic fluctuations in a multi-orbital system \u2013 application to doped FeSe. Phys. Rev. B https:\/\/doi.org\/10.1103\/PhysRevB.111.094503<\/a> (2025).<\/p>\n

Matsuura, K. et al. Two superconducting states with broken time-reversal symmetry in FeTe1\u2212xSex. Proc. Natl Acad. Sci. USA 120, e2208276120 (2023).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Romero, R. III, Yi, H. T., Oh, S. & Armitage, N. P. Planckian scattering and parallel conduction channels in an iron chalcogenide superconductor. Zenodo https:\/\/doi.org\/10.5281\/zenodo.18662533<\/a> (2026).<\/p>\n","protected":false},"excerpt":{"rendered":"Hsu, F.-C. et al. Superconductivity in the PbO-type structure \u03b1-FeSe. Proc. Natl Acad. Sci. USA 105, 14262\u201314264 (2008).…\n","protected":false},"author":2,"featured_media":602255,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[2362,2361,2366,2365,257,2360,2363,2364,199,79,27783,31152,2359],"class_list":{"0":"post-602254","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-physics","8":"tag-atomic","9":"tag-classical-and-continuum-physics","10":"tag-complex-systems","11":"tag-condensed-matter-physics","12":"tag-general","13":"tag-mathematical-and-computational-physics","14":"tag-molecular","15":"tag-optical-and-plasma-physics","16":"tag-physics","17":"tag-science","18":"tag-superconducting-properties-and-materials","19":"tag-terahertz-optics","20":"tag-theoretical"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/602254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/comments?post=602254"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/602254\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media\/602255"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media?parent=602254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/categories?post=602254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/tags?post=602254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}