In quantum chemistry, a conical intersection of two or more potential energy surfaces is the set of molecular geometry points where the potential energy...
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Jahn–Teller effect (section Conical intersections)
earliest) examples in the literature of a conical intersection of potential energy surfaces. Conical intersections have received wide attention in the literature...
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for which the two adiabatic states were coupled by a Jahn–Teller conical intersection. A nice fit between the symmetry-preserved single-state treatment...
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understanding of nonadiabatic processes, especially near points of conical intersections. The direct calculation of vibronic couplings used to be uncommon...
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seen in the conical intersection of potential energy surfaces and in the Aharonov–Bohm effect. Geometric phase around the conical intersection involving...
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this case the conical spiral can be seen as the intersection curve of the cone with a helicoid. 2) The second diagram shows a conical spiral with a Fermat's...
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transfer state. Strong CT stabilisation has been shown to lead to a conical intersection of this exciplex state with the ground state in a balance of steric...
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means that the eigenvalues can coincide only at a single point (see conical intersection). This is particularly important in quantum chemistry. In the Born–Oppenheimer...
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Coin3D, a 3D computer graphics application programming interface Conical intersection, or COIN Coin (surname) Coin (department store), an Italian department...
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to all conical hulls (since the summation becomes an empty sum). The conical hull of a set S is a convex set. In fact, it is the intersection of all convex...
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the most important were his discovery of Geometric phase at the conical intersection of potential energy surfaces, his introduction of the correlation...
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interest Cosine integral (standard mathematical symbols "Ci" and "ci") Conical intersection, the location of a discrete degeneracy between two electronic states...
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to very low fluorescence quantum yields. The evolution toward the conical intersection is accompanied by conformational movements. An important part of...
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Conical refraction is an optical phenomenon in which a ray of light, passing through a biaxial crystal along certain directions, is refracted into a hollow...
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PMID 16459333. Send, Robert; Sundholm, Dage (2007). "Stairway to the conical intersection: A computational study of retinal isomerization". Journal of Physical...
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"Fluorescence of the perylene radical cation and an inaccessible D0/D1 conical intersection: An MMVB, RASSCF, and TD-DFT computational study". The Journal of...
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couple the potential energy surfaces. Nearby an avoided crossing or conical intersection, these terms are substantive. Therefore one unitary transformation...
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light. Reactions of electronically excited molecules often involve conical intersections, around which the potential energy surfaces have the shape of intersecting...
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observation of geometric-phase interference in dynamics around a conical intersection". Nature Chemistry. 15 (11): 1503–1508. arXiv:2211.07320. Bibcode:2023NatCh...
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and x-axes, respectively. The intersection between one of the cones and the sphere forms a spherical conic. The conical coordinates ( r , μ , ν ) {\displaystyle...
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molecular ions. Nonadiabatic interactions. Avoided crossings and conical intersections. Transition probabilities between two coupled potential energy surfaces...
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photo-stimulation determines the activation of the brain. The paper “Conical intersection dynamics of the primary photoisomerization event in vision” published...
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the surface being generated may be a conical chamfer (plunging applications) or a beveled corner for the intersection of two planes (traversing applications)...
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Molecular Dynamics Method for localization and characterization of conical intersections and seams MOLCAS has interface to several computational codes, including...
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via TD-DFT and Localized Diabatization: Intersystem Crossings, Conical Intersections, and Phosphorescence". The Journal of Physical Chemistry C. 117...
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2019-01-17. Fielding, Helen H. (2018). "Molecular movies filmed at conical intersections" (PDF). Science. 361 (6397): 30–31. Bibcode:2018Sci...361...30F...
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More significantly, Vitruvius (On Architecture, Vitr. 9.8) associated conical sundials with Dionysodorus (early 2nd century bce), and Dionysodorus, according...
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Augustin-Jean Fresnel (redirect from Conical Refraction)
intersect the refractive surface (assumed flat); then, through that intersection, tangent planes should be drawn to the inner sphere and spheroid (cf...
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Quadric (redirect from Conical quadric)
quadric that are not in the image of this bijection are the points of intersection of the quadric and its tangent hyperplane at A. In the affine case, the...
41 KB (7,423 words) - 17:19, 10 April 2025