Double group considerations, Jahn-Teller induced rovibronic effects, and the nuclear spin-electron spin hyperfine Hamiltonian for a molecule of symmetry C3v in an electronic 2E state

1980 ◽  
Vol 81 (1) ◽  
pp. 73-92 ◽  
Author(s):  
Jon T. Hougen
Keyword(s):  
Electron Spin ◽  
Nuclear Spin ◽  
Jahn Teller ◽  
Double Group

scholarly journals Entanglement of dark electron-nuclear spin defects in diamond

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
M. J. Degen ◽  
S. J. H. Loenen ◽  
H. P. Bartling ◽  
C. E. Bradley ◽  
A. L. Meinsma ◽  
...  
Keyword(s):  
Electron Spin ◽  
Nuclear Spin ◽  
Degrees Of Freedom ◽  
Quantum Information Processing ◽  
Nitrogen Vacancy ◽  
Entangled State ◽  
Single Shot ◽  
Jahn Teller ◽  
The Individual ◽  
Projective Measurements

AbstractA promising approach for multi-qubit quantum registers is to use optically addressable spins to control multiple dark electron-spin defects in the environment. While recent experiments have observed signatures of coherent interactions with such dark spins, it is an open challenge to realize the individual control required for quantum information processing. Here, we demonstrate the heralded initialisation, control and entanglement of individual dark spins associated to multiple P1 centers, which are part of a spin bath surrounding a nitrogen-vacancy center in diamond. We realize projective measurements to prepare the multiple degrees of freedom of P1 centers—their Jahn-Teller axis, nuclear spin and charge state—and exploit these to selectively access multiple P1s in the bath. We develop control and single-shot readout of the nuclear and electron spin, and use this to demonstrate an entangled state of two P1 centers. These results provide a proof-of-principle towards using dark electron-nuclear spin defects as qubits for quantum sensing, computation and networks.

scholarly journals Nuclear-spin-pattern control of electron-spin dynamics in a series of V(iv) complexes

2019 ◽  
Vol 10 (36) ◽  
pp. 8447-8454 ◽  
Author(s):  
Cassidy E. Jackson ◽  
Chun-Yi Lin ◽  
Spencer H. Johnson ◽  
Johan van Tol ◽  
Joseph M. Zadrozny
Keyword(s):  
Spin Relaxation ◽  
Electron Spin ◽  
Nuclear Spin ◽  
Spin Dynamics ◽  
Relaxation Times ◽  
Open Shell ◽  
Pattern Control ◽  
Electron Spin Dynamics

This report details how the design of specific nuclear-spin patterns on ligands modulates spin-relaxation times in a set of open-shell vanadium(iv) complexes.

Evidence of the Jahn-Teller splitting ofC60−inC60-tetraphenylphosphoniumchloride from an electron-spin-relaxation study

1995 ◽  
Vol 52 (14) ◽  
pp. 10188-10193 ◽  
Author(s):  
G. Völkel ◽  
A. Pöppl ◽  
J. Simon ◽  
J. Hoentsch ◽  
S. Orlinskii ◽  
...  
Keyword(s):  
Spin Relaxation ◽  
Electron Spin ◽  
Electron Spin Relaxation ◽  
Relaxation Study ◽  
Jahn Teller
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