Journal ArticleDOI
Adiabatic rotational splittings and Berry's phase in nuclear quadrupole resonance.
TLDR
Sample rotation is shown to induce frequency splittings in nuclear-quadrupole-resonance spectra, interpreted both as a manifestation of Berry's phase and as a result of a fictitious magnetic field, associated with a rotating-frame transformation.Abstract:
Sample rotation is shown to induce frequency splittings in nuclear-quadrupole-resonance spectra. The splittings are interpreted both as a manifestation of Berry's phase, associated with an adiabatically changing Hamiltonian, and as a result of a fictitious magnetic field, associated with a rotating-frame transformation. Real and fictitious fields are contrasted. Related effects are predicted in other magnetic resonance experiments that involve sample rotation.read more
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Journal ArticleDOI
Line splitting by mechanical rotation in nuclear magnetic resonance
Kazuya Harii,Hiroyuki Chudo,Masao Ono,Mamoru Matsuo,Jun'ichi Ieda,Satoru Okayasu,Sadamichi Maekawa,Eiji Saitoh +7 more
TL;DR: In this article, it was shown that the splitting originates in the nuclear spin motion under mechanical rotation, and is determined by only the angular velocity of the rotation without any material parameters.
Journal ArticleDOI
Hamilton's turn and geometric phase for two-level systems
TL;DR: In this paper, a geometric representation for the composition of SU(2) elements, in terms of turns on the unit sphere S2, is introduced, and the special roles played by piecewise geodesic circuits in the state space and evolution under constant Hamiltonian are recognized.
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Geometric dephasing in zero-field magnetic resonance
TL;DR: In this article, the form and extent of coherence dephasing in nuclear spin systems were calculated in two ways: first, using an analytical treatment of the diffusive motion of individual nuclei and second, using ensemble averaged propagators.
Journal ArticleDOI
Berry’s phase for a noncyclic rotation of light in a helically wound optical fiber
TL;DR: In this paper, the authors investigated Berry's phase for noncyclic evolution using the rotation of a polarization azimuth of linearly polarized light in a partially wound optical fiber over the surface of a cylinder.
Journal ArticleDOI
Berry dephasing due to diffusion in nuclear quadrupole resonance
TL;DR: In this paper, it was shown that Berry's phase can give rise to coherence dephasing in optically detected nuclear quadrupole resonance of gaseous 131Xe.