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Anisotropy of Electronic Spin Texture in the High-Temperature Cuprate Superconductor Bi2Sr2CaCu2O8+ δ .
- Source :
- Chinese Physics Letters; 3/1/2023, Vol. 40 Issue 3, p1-4, 4p
- Publication Year :
- 2023
-
Abstract
- Seeking new order parameters and the related broken symmetry and studying their relationship with phase transition have been important topics in condensed matter physics. Here, by using spin- and angle-resolved photoemission spectroscopy, we confirm the helical spin texture caused by spin-layer locking in the nodal region in the cuprate superconductor Bi<subscript>2</subscript>Sr<subscript>2</subscript>CaCu<subscript>2</subscript>O<subscript>8+ δ </subscript> and discover the anisotropy of spin polarizations at nodes along Γ – X and Γ – Y directions. The breaking of C <subscript>4</subscript> rotational symmetry in electronic spin texture may give deeper insights into understanding the ground state of cuprate superconductors. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0256307X
- Volume :
- 40
- Issue :
- 3
- Database :
- Complementary Index
- Journal :
- Chinese Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 162290386
- Full Text :
- https://doi.org/10.1088/0256-307X/40/3/037402