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Professor,
Chemistry and Biochemistry,
Physical Chemistry
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Education: |
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Degrees:
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Ph.D., Nottingham University, 1964
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Contact Information:
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Geology 3608A
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Work Phone Number:
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1 (310) 206-0476
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Research Interests:
Levine tries to understand what makes chemical reactions go. To do so he often seeks to view the reaction on the most highly resolved level, that of the actual molecules undergoing the change. As the starting materials evolve into the products, how do the atoms move, what energetic constraints operate and are there any steric requirements. Levine is a theorist but he does attempts to find out what are the concerns of his experimental colleagues. Currently the systems he studies are larger than before and he is able to explore further away from equilibrium. One line of such activity is chemistry under extreme conditions, work for which he was selected for the McCoy Award of the UCLA Department of Chemistry and Biochemistry. His most recent book, Molecular Reaction Dynamics (Cambridge University Press, 2005) provides more details. Recently he is also concerned with processes that occur simultaneously on several electronic states (so called, the breakdown of the Born-Oppenheimer approximation). Dr. Levine's research methods include molecular dynamics simulations and quantum mechanical methods. Often he seeks a more compact description. For this, methodologies based on information theory and on algebraic quantum mechanics are useful. In particular, they provide methods of data reduction (e.g., surprisal analysis) that can also be used in a predictive model. He prefers models that emphasize key aspects of the problem and allow for a simple conceptual picture of the dynamics as much as exact numerical simulations. He also indulges in examining more long range issues such as his recent activities in making a single molecule act as a computing machine.
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Additional Information:
Detailed biographies have recently been published in Molecular Physics, volume 106 issue #2 (2008) and in the Israel Journal of Chemistry, volume 47, issue #1 (2007). An older biography can be found in the Journal of Physical Chemistry, volume 102, issue #47 (1998).
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Klein, M. Lansbergen, G. P. Mol, J. A. Rogge, S. Levine, R. D. Remacle, F. , Reconfigurable Logic Devices on a Single Dopant Atom-Operation up to a Full Adder by Using Electrical Spectroscopy, Chemphyschem, 2009, 10 ( 1), 162-173.
Kuznetz, O. Salman, H. Eichen, Y. Remacle, F. Levine, R. D. Speiser, S. , All optical full adder based on intramolecular electronic energy transfer in the rhodamine-azulene bichromophoric system, Journal of Physical Chemistry C, 2008, 112 ( 40), 15880-15885.
Torres, E. A. Kompa, K. L. Remacle, F. Levine, R. D. , Ultrafast vibrational spectroscopy and relaxation in polyatomic molecules: Potential for molecular parallel computing, Chemical Physics, 2008, 347 ( 1-3), 531-545.
Remacle, F. Kienberger, R. Krausz, F. Levine, R. D. , On the feasibility of an ultrafast purely electronic reorganization in lithium hydride, Chemical Physics, 2007, 338 ( 2-3), 342-347.
Remacle, F. Levine, R. D. , Time-resolved electrochemical spectroscopy of charge migration in molecular wires: Computational evidence for rich electronic dynamics, Journal of Physical Chemistry C, 2007, 111 ( 5), 2301-2309.
Remacle, F. Levine, R. D. , Towards parallel computing: representation of a linear finite state digital logic machine by a molecular relaxation process, European Physical Journal D, 2007, 42 ( 1), 49-59.
Klein, M. Rogge, S. Remacle, F. Levine, R. D. , Transcending binary logic by gating three coupled quantum dots, Nano Letters, 2007, 7 ( 9), 2795-2799.
Gross, A. Levine, R. D. , A mechanical representation of entropy for a large finite system, Journal of Chemical Physics, 2006, 125 ( 14), 9.
Gross, A. Levine, R. D. , Mechanical simulation of the pressure and the relaxation to thermal equilibrium of a hot and dense rare gas cluster, Journal of Physical Chemistry B, 2006, 110 ( 47), 24070-24076.
Remacle, F. Weinkauf, R. Levine, R. D. , Molecule-based photonically switched half and full adder, Journal of Physical Chemistry A, 2006, 110 ( 1), 177-184.
Kornweitz, H. Gross, A. Birnbaum, G. Levine, R. D. , Probing electronic rearrangement during chemical reactions, PHYSICA SCRIPTA , 2006, 73 (1), C1-C5.
Remacle, F. Levine, R. D. , The time scale for electronic reorganization upon sudden ionization of the water and water-methanol hydrogen bonded dimers and of the weakly bound NO dimer, Journal of Chemical Physics, 2006, 125 ( 13), 7.
Gross, A. Levine, R. D. , Evanescent high pressure during hypersonic cluster-surface impact characterized by the virial theorem, Journal of Chemical Physics, 2005, 123 ( 19), 11.
Somorjai, G. A. Levine, R. D. , The changing landscape of physical chemistry at the beginning of the 21st century, Journal of Physical Chemistry B, 2005, 109 ( 19), 9853-9854.
Remacle, F. Levine, R. D. , Electrical transmission of molecular bridges, Chemical Physics Letters, 2004, 383 ( 5-6), 537-543.
Remacle, F. Levine, R. D. , Electronic and electrical response of arrays of metallic quantum dots, secondary-title, 2004, volume (number), 743-751.
Gross, A. Kjellberg, M. Levine, R. D. , Systematics of collision-induced light emission from hot matter, Journal of Physical Chemistry A, 2004, 108 ( 41), 8949-8953.
Gross, A. Levine, R. D. , Collision-induced IR emission spectra of impact-heated rare-gas clusters, Journal of Physical Chemistry A, 2003, 107 ( 45), 9567-9574.
Torres, E. A. Baugh, D. A. Levine, R. D. , Ultra-short time resolution from energy-dependent interference of photodissociation amplitudes, Chemical Physics Letters, 2003, 375 ( 1-2), 141-148.
Remacle, F. Levine, R. D. , Voltage-induced phase transition in arrays of metallic nanodots: Computed transport and surface potential structure, Applied Physics Letters, 2003, 82 ( 25), 4543-4545.
Campbell, E. E. B. Glotov, A. V. Lassesson, A. Levine, R. D. , Cluster-cluster fusion, Comptes Rendus Physique, 2002, 3 ( 3), 341-352.
Remacle, F. Weinkauf, R. Steinitz, D. Kompa, K. L. Levine, R. D. , Molecular logic by optical spectroscopy with output transfer by charge migration along a peptide, Chemical Physics, 2002, 281 ( 2-3), 363-372.
Wang, J. X. Kais, S. Remacle, F. Levine, R. D. , Size effects in the electronic properties of finite arrays of exchange-coupled quantum dots, Journal of Physical Chemistry B, 2002, 106 ( 50), 12847-12850.
Remacle, F. Levine, R. D. , Voltage-induced nonlinear characteristics of arrays of metallic quantum dots, Nano Letters, 2002, 2 ( 7), 697-701.
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