scholarly journals Mixing Effect in a Nuclear Quadrupole System Induced by Non-Abelian Berry's Phase

1998 ◽  
Vol 100 (3) ◽  
pp. 665-670 ◽  
Author(s):  
H. Asakura ◽  
A. Sakurai
2008 ◽  
Vol 63 (1-2) ◽  
pp. 81-87 ◽  
Author(s):  
Nikolay Sinyavsky ◽  
Mariusz Maćkowiak ◽  
Claudia Schmidt

The effect of Berry’s phase on the nuclear quadrupole resonance (NQR) spectra of rotating powder samples is studied experimentally, and its application for the determination of the electric field gradient asymmetry η is demonstrated. The NQR frequency splittings, which are observed for the spin 3/2 nucleus of 35Cl in powder samples of p-dichlorobenzene (C6H4Cl2) and cyanuric chloride (C3N3Cl3), are interpreted as a manifestation of Berry’s phase, associated with the adiabatically changing Hamiltonian due to sample rotation. The accumulation of Berry’s phase during the rotation process is responsible for the observed dependence of the NQR line shape on the rotation frequency and the asymmetry parameter. The proposed method for the determination of η involves the analysis of the NQR powder patterns of the rotating samples.


2011 ◽  
Vol 107 (13) ◽  
Author(s):  
Eduardo Martín-Martínez ◽  
Ivette Fuentes ◽  
Robert B. Mann

1991 ◽  
Vol 54 (3) ◽  
pp. 894-900
Author(s):  
E. V. Damaskinski

1994 ◽  
Vol 27 (18) ◽  
pp. 6267-6286 ◽  
Author(s):  
A Yu Trifonov ◽  
A A Yevseyevich

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