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Open Quantum Systems Decoherence
Quantum Simulation
Comment on: "Tunneling of coupled methyl quantum rotors in 4-methylpyridine: Single rotor potential versus coupling interaction". J. Chem. Phys. 147, 194303 (2017)
arXiv
Authors: Paolo Amore, Francisco M. Fernández
Year
2019
Paper ID
14923
Status
Preprint
Abstract Read
~2 min
Abstract Words
84
Citations
N/A
Abstract
We analyze the results obtained recently by Khazael and Sebastiani J. Chem. Phys. textbf{147}, 194303 (2017) for two coupled methyl rotors. We show that one of the avoided crossings obtained by those authors is in fact a true crossing between states of different symmetry. Present analysis is supposed to be clearer because it is based on an independent calculation of eigenvalues for each irreducible representation. The application of group theory also enables a more accurate calculation by means of smaller matrix representations of the Hamiltonian operator.
Why This Paper Matters
- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
- It adds a 2019 reference point for readers tracking recent quantum research.
- We analyze the results obtained recently by Khazael and Sebastiani (J.
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