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Open Quantum Systems Decoherence
Quantum Chemistry
Constants of motion in NMR spectroscopy.
PubMed
Authors: Walls JD, Lin YY
Year
2006
Paper ID
12826
Status
Peer-reviewed
Abstract Read
~2 min
Abstract Words
105
Citations
N/A
Abstract
We present a general method for constructing a subset of the constants of motion in terms of products of spin operators. These operators are then used to give insight into the multi-spin orders comprising the quasi-equilibrium state formed under a Jeener-Broekaert sequence in small, dipolar-coupled, spin systems. We further show that constants of motion that represent single-quantum coherences are present due to the symmetry of the dipolar Hamiltonian under 180 degrees spin rotations, and that such coherences contribute a DC component to the FID which vanishes in the absence of the flip-flop terms and is only present for spin clusters with an odd number of spins.
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- This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
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- We present a general method for constructing a subset of the constants of motion in terms of products of spin operators.
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