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Relevant bibliographies by topics / Quantum Nuclear Motion

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Journal articles

Academic literature on the topic 'Quantum Nuclear Motion'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Quantum Nuclear Motion"

1

Frank, Irmgard. "Classical Nuclear Motion: Comparison to Approaches with Quantum Mechanical Nuclear Motion." Hydrogen 4, no. 1 (2022): 11–21. http://dx.doi.org/10.3390/hydrogen4010002.

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Ab initio molecular dynamics combines a classical description of nuclear motion with a density-functional description of the electronic cloud. This approach nicely describes chemical reactions. A possible conclusion is that a quantum mechanical description of nuclear motion is not needed. Using Occam’s razor, this means that, being the simpler approach, classical nuclear motion is preferable. In this paper, it is claimed that nuclear motion is classical, and this hypothesis will be tested in comparison to methods with quantum mechanical nuclear motion. In particular, we apply ab initio molecular dynamics to two photoreactions involving hydrogen. Hydrogen, as the lightest element, is often assumed to show quantum mechanical tunneling. We will see that the classical picture is fully sufficient. The quantum mechanical view leads to phenomena that are difficult to understand, such as the entanglement of nuclear motion. In contrast, it is easy to understand the simple classical picture which assumes that nuclear motion is steady and uniform unless a force is acting. Of course, such a hypothesis must be verified for many systems and phenomena, and this paper is one more step in this direction.

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2

Wu, Xizhen, Zhuxia Li, J. A. Maruhn, W. Greiner, and Y. Zhuo. "Quantum Brownian motion and nuclear fission." Journal of Physics G: Nuclear Physics 14, no. 8 (1988): 1049–58. http://dx.doi.org/10.1088/0305-4616/14/8/008.

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3

McKenzie, Ross H., Christiaan Bekker, Bijyalaxmi Athokpam, and Sai G. Ramesh. "Effect of quantum nuclear motion on hydrogen bonding." Journal of Chemical Physics 140, no. 17 (2014): 174508. http://dx.doi.org/10.1063/1.4873352.

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4

Petek, H., H. Nagano, M. J. Weida, and S. Ogawa. "Quantum Control of Nuclear Motion at a Metal Surface†." Journal of Physical Chemistry A 104, no. 45 (2000): 10234–39. http://dx.doi.org/10.1021/jp001218a.

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5

Oi, Makito. "Semi-classical and anharmonic quantum models of nuclear wobbling motion." Physics Letters B 634, no. 1 (2006): 30–34. http://dx.doi.org/10.1016/j.physletb.2005.12.061.

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6

ROTTER, I. "THE INTERPLAY BETWEEN REGULAR AND CHAOTIC MOTION IN NUCLEI." Modern Physics Letters A 02, no. 04 (1987): 233–37. http://dx.doi.org/10.1142/s021773238700032x.

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The regular motion of nucleons in the low-lying nuclear states and the chaotic motion in the compound nuclei are shown to arise from the interplay of conservative and dissipative forces in the open quantum mechanical nuclear system. The regularity at low level density is caused by selforganization in a conservative field of force. At high level density, chaoticity appears since information on the environment is transferred into the system by means of dissipative forces.

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7

Håkansson, Pär. "Prediction of low-field nuclear singlet lifetimes with molecular dynamics and quantum-chemical property surface." Physical Chemistry Chemical Physics 19, no. 16 (2017): 10237–54. http://dx.doi.org/10.1039/c6cp08394c.

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8

Bonatsos, D., P. E. Georgoudis, D. Lenis, N. Minkov, and C. Quesne. "SUSYQM in nuclear structure: Bohr Hamiltonian with mass depending on the deformation." HNPS Proceedings 18 (November 23, 2019): 69. http://dx.doi.org/10.12681/hnps.2540.

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A well known problem of the Bohr Hamiltonian for the description of nuclear collective motion is that the nuclear moment of inertia increases with deformation too fast. We show that this can be avoided by allowing the nuclear mass to depend on the deformation. The resulting Hamiltonian is solved exactly, using techniques of Supersymmetric Quantum Mechanics

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9

BLOCKI, J. P., A. G. MAGNER, and I. S. YATSYSHYN. "GROSS-SHELL EFFECTS IN THE DISSIPATIVE NUCLEAR DYNAMICS." International Journal of Modern Physics E 21, no. 05 (2012): 1250034. http://dx.doi.org/10.1142/s0218301312500346.

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The order-to-chaos transition in the dynamics of the quantum gas of independent particles was studied within the nuclear model based on the time-dependent mean-field approach. The excitation of the quantum gas in the Woods–Saxon potential with a small diffuseness of its surface rippled according to the Legendre polynomials P2 and P3 are obtained for a slow and small amplitude collective motion. We found strong correlations between time-derivatives of the excitation energies (one-body friction coefficients) and shell-correction energies as functions of the particle number. Semiclassical estimates of the friction coefficients were obtained within the periodic orbit theory by using the uniform approximation.

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10

Abedi, Ali, Federica Agostini, and E. K. U. Gross. "Mixed quantum-classical dynamics from the exact decomposition of electron-nuclear motion." EPL (Europhysics Letters) 106, no. 3 (2014): 33001. http://dx.doi.org/10.1209/0295-5075/106/33001.

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