Journal
EPL
Volume 139, Issue 4, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1209/0295-5075/ac781d
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The article discusses the field-dependent enhancement of Rashba spin-orbit splitting and highlights the crucial role of strong Coulomb correlations in enhancing spin-orbit coupling.
There have been a number of reports of experimental observations of a field-dependent enhancement of the Rashba spin-orbit splitting in surface states. We show that strong Coulomb correlations lead to an enhancement of the spin-orbit coupling which is highly sensitive to band-bending and applied electric potentials. In a system with broken inversion symmetry, this leads to a nonlinear field-dependent Rashba interaction that could be responsible for the experimental observations. Copyright (C) 2022 EPLA
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