Ubiquitous suppression of the nodal coherent spectral weight in Bi-based cuprates
- Univ. of British Columbia, Vancouver, BC (Canada). Quantum Matter Inst.; Univ. of British Columbia, Vancouver, BC (Canada)
- Univ. of British Columbia, Vancouver, BC (Canada). Quantum Matter Inst.; Univ. of British Columbia, Vancouver, BC (Canada); Inst. National de la Recherche Scientifique, Varennes, QC (Canada). Centre Energie Materiaux Telecommunications
- Univ. of British Columbia, Vancouver, BC (Canada). Quantum Matter Inst.; Univ. of British Columbia, Vancouver, BC (Canada); Paul Scherrer Inst. (PSI), Villigen (Switzerland). SwissFEL
- Univ. of British Columbia, Vancouver, BC (Canada). Quantum Matter Inst.; Univ. of British Columbia, Vancouver, BC (Canada); Max Planck Inst. for Chemical Physics of Solids, Dresden (Germany)
- Canadian Light Sources, Inc., Saskatoon, SK (Canada)
- Elettra Sincrotrone Trieste (Italy)
- Univ. of British Columbia, Vancouver, BC (Canada). Quantum Matter Inst.
- National Inst. of Advanced Industrial Science and Technology (AIST), Tsukuba (Japan)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
High-temperature superconducting cuprates exhibit an intriguing phenomenology for the low-energy elementary excitations. In particular, an unconventional temperature dependence of the coherent spectral weight (CSW) has been observed in the superconducting phase by angle-resolved photoemission spectroscopy (ARPES), both at the antinode where the d-wave paring gap is maximum, as well as along the gapless nodal direction. In this work, we combine equilibrium and time-resolved ARPES to track the temperature-dependent meltdown of the nodal CSW in Bi-based cuprates with unprecedented sensitivity. We find the nodal suppression of CSW upon increasing temperature to be ubiquitous across single- and bi-layer Bi cuprates, and uncorrelated to superconducting and pseudogap onset temperatures. We quantitatively model both the lineshape of the nodal spectral features and the anomalous suppression of CSW within the Fermi-liquid framework, establishing the key role played by the normal state electrodynamics in the description of nodal quasiparticles in superconducting cuprates.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0012704
- OSTI ID:
- 1785113
- Report Number(s):
- BNL--221536-2021-JAAM
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 15 Vol. 103; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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