Coherent-state spin qubits in the presence of spin-orbit coupling

2014 ◽  
Vol 89 (3) ◽  
Author(s):  
E. T. Owen ◽  
M. C. Dean ◽  
C. H. W. Barnes
2014 ◽  
Vol 105 (19) ◽  
pp. 192102 ◽  
Author(s):  
Adam Bermeister ◽  
Daniel Keith ◽  
Dimitrie Culcer

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
R. Ramazashvili ◽  
P. D. Grigoriev ◽  
T. Helm ◽  
F. Kollmannsberger ◽  
M. Kunz ◽  
...  

AbstractMost of solid-state spin physics arising from spin–orbit coupling, from fundamental phenomena to industrial applications, relies on symmetry-protected degeneracies. So does the Zeeman spin–orbit coupling, expected to manifest itself in a wide range of antiferromagnetic conductors. Yet, experimental proof of this phenomenon has been lacking. Here we demonstrate that the Néel state of the layered organic superconductor κ-(BETS)2FeBr4 shows no spin modulation of the Shubnikov–de Haas oscillations, contrary to its paramagnetic state. This is unambiguous evidence for the spin degeneracy of Landau levels, a direct manifestation of the Zeeman spin–orbit coupling. Likewise, we show that spin modulation is absent in electron-doped Nd1.85Ce0.15CuO4, which evidences the presence of Néel order in this cuprate superconductor even at optimal doping. Obtained on two very different materials, our results demonstrate the generic character of the Zeeman spin–orbit coupling.


2011 ◽  
Vol 133 (40) ◽  
pp. 15806-15809 ◽  
Author(s):  
Po-Heng Lin ◽  
Nathan C. Smythe ◽  
Serge I. Gorelsky ◽  
Steven Maguire ◽  
Neil J. Henson ◽  
...  

2015 ◽  
Vol 92 (20) ◽  
Author(s):  
M. Veldhorst ◽  
R. Ruskov ◽  
C. H. Yang ◽  
J. C. C. Hwang ◽  
F. E. Hudson ◽  
...  

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