Semiclassical Transition State Theory (SCTST) is an efficient chemical rate theory, which aims to calculate accurate rate constants of chemical reactions...
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In chemistry, transition state theory (TST) explains the reaction rates of elementary chemical reactions. The theory assumes a special type of chemical...
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Instanton (category Gauge theories)
satisfying the vacuum Einstein equations Semiclassical transition state theory – Chemical reaction rate theory Yang–Mills equations – Partial differential...
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Loop quantum gravity (redirect from Quantum loop theory)
quantum gravity AQG semiclassical states always control the fluctuations of all present degrees of freedom. This makes the AQG semiclassical analysis superior...
115 KB (16,603 words) - 19:25, 25 May 2025
Topological order (redirect from Topological phase transition)
"Nonlinear Field Theory of Large-Spin Heisenberg Antiferromagnets: Semiclassically Quantized Solitons of the One-Dimensional Easy-Axis Néel State". Physical...
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series that is a gradient expansion. The Wigner-Kirkwood series is a semiclassical series with eigenvalues given exactly as for WKB approximation. Consider...
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relativity. The theoretical construct was created through the use of semiclassical gravity theory. A similar structure should also exist for the Einstein–Maxwell–Dirac...
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transition matrices, creating matrix mechanics. In 1924, Louis de Broglie introduced the wave theory of matter, which was extended to a semiclassical...
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has a well-established semiclassical interpretation based on the original contributions of James Franck. Electronic transitions are relatively instantaneous...
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light—can escape. In the 1970s, Stephen Hawking applied the semiclassical approach of quantum field theory in curved spacetime to such systems and found that an...
68 KB (8,917 words) - 12:43, 8 June 2025
Quantum chaos (category Chaos theory)
eigenstates (see scars and quantum ergodicity). Semiclassical methods such as periodic-orbit theory connecting the classical trajectories of the dynamical...
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Landau–Zener formula (redirect from Landau–Zener transition)
partially attributable to their transition probabilities exhibiting a sensitivity to path interference effects in the semiclassical (independent crossing) approximation...
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Fermi's golden rule (category Perturbation theory)
separate information about the transition process. It appears in expressions that complement the golden rule in the semiclassical Boltzmann equation approach...
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Dicke model (section Semiclassical limit and chaos)
Sergio; Hirsch, Jorge G (2015). "Chaos in the Dicke model: quantum and semiclassical analysis". Physica Scripta. 90 (6): 068015. Bibcode:2015PhyS...90f8015B...
35 KB (4,376 words) - 13:35, 25 May 2025
Rabi problem (section Semiclassical approach)
question. No atom with only two energy levels exists in reality, but a transition between, for example, two hyperfine states in an atom can be treated,...
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Ultimate fate of the universe (redirect from End of universe theory)
1103/PhysRevD.15.2922. Coleman, S. (1977). "Fate of the false vacuum: Semiclassical theory". Physical Review D. 15 (10): 2929–36. Bibcode:1977PhRvD..15.2929C...
35 KB (4,271 words) - 14:59, 12 July 2025
Brane (redirect from Brane theory)
J. Duff, T. Inami, C. N. Pope, E. Sezgin [de], and K. S. Stelle, "Semiclassical quantization of the supermembrane", Nucl. Phys. B297 (1988), 515. Moore...
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Quantum chemistry (section Valence bond theory)
quantum dynamics, whereas its solution within the semiclassical approximation is called semiclassical dynamics. Purely classical simulations of molecular...
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Graviton (category String theory)
When describing graviton interactions, the classical theory of Feynman diagrams and semiclassical corrections such as one-loop diagrams behave normally...
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Photon (section Quantum field theory)
a semiclassical approach, and, in 1927, succeeded in deriving all the rate constants from first principles within the framework of quantum theory. Dirac's...
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and Semiclassical Optics. 4 (1). IOP Publishing: R1 – R33. doi:10.1088/1464-4266/4/1/201. ISSN 1464-4266. V.V. Dodonov and V.I.Man'ko (eds), Theory of...
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Measurement in quantum mechanics (redirect from Measurement in quantum theory)
quantum theory is that the predictions it makes are probabilistic. The procedure for finding a probability involves combining a quantum state, which mathematically...
67 KB (8,343 words) - 08:05, 12 July 2025
Stark effect (section Perturbation theory)
Michael; Neal Spellmeyer; Hong Jiao; Daniel Kleppner (1995). "Classical, semiclassical, and quantum dynamics of lithium in an electric field". Physical Review...
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Quantum gravity (redirect from Quantum theory of gravity)
the ultraviolet infinities of quantum field theory. The quantum state of spacetime is described in the theory by means of a mathematical structure called...
54 KB (5,955 words) - 05:29, 31 May 2025
False vacuum (category Quantum field theory)
1103/PhysRevD.15.2922. Coleman, S. (1977). "Fate of the false vacuum: Semiclassical theory". Physical Review D. 15 (10): 2929–36. Bibcode:1977PhRvD..15.2929C...
42 KB (4,921 words) - 18:09, 12 July 2025
Timothy A. H.; Clary, David C. (2019). "New Developments in Semiclassical Transition-State Theory". The Journal of Physical Chemistry A. 123 (22): 4639–4657...
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Supergravity (redirect from Supergravity theory)
In theoretical physics, supergravity (supergravity theory; SUGRA for short) is a modern field theory that combines the principles of supersymmetry and...
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Optical molasses (section Theory)
Javanainen, Juha (November 1992). "Numerical experiments in semiclassical laser-cooling theory of multistate atoms". Physical Review A. 46 (9): 5819–5835...
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Cosmic inflation (redirect from Inflationary theory)
field theory (and the semiclassical approximation to quantum gravity) in an important way, it has not been completely reconciled with these theories. Brandenberger...
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Bohr model (redirect from Bohr's Atomic Theory)
reproduced in a more sophisticated semiclassical treatment like Sommerfeld's. Still, even the most sophisticated semiclassical model fails to explain the fact...
75 KB (10,385 words) - 11:28, 23 June 2025