Spin-polaron ladder spectrum of the spin-orbit-induced Mott insulator Sr 2 IrO 4 probed by scanning tunneling spectroscopy

The motion of doped electrons or holes in an antiferromagnetic lattice with strong on-site Coulomb interactions touches one of the most fundamental open problems in contemporary condensed matter physics. The doped charge may strongly couple to elementary spin excitations, resulting in a dressed quas...

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Veröffentlicht in:	Physical review. B 2019-03, Vol.99 (12), Article 121114
Hauptverfasser:	Guevara, Jose M., Sun, Zhixiang, Pärschke, Ekaterina M., Sykora, Steffen, Manna, Kaustuv, Schoop, Johannes, Maljuk, Andrey, Wurmehl, Sabine, van den Brink, Jeroen, Büchner, Bernd, Hess, Christian
Format:	Artikel
Sprache:	eng
Schlagworte:	Anomalies Antiferromagnetism Born approximation Condensed matter physics Degrees of freedom Electronic structure Excitation spectra High temperature Polarons Scanning Scanning tunneling microscopy Spectroscopy Spectrum analysis Unconventional superconductivity
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