• Thumbnail for Conical intersection
    In quantum chemistry, a conical intersection of two or more potential energy surfaces is the set of molecular geometry points where the potential energy...
    14 KB (1,809 words) - 10:09, 23 June 2025
  • earliest) examples in the literature of a conical intersection of potential energy surfaces. Conical intersections have received wide attention in the literature...
    61 KB (7,955 words) - 15:10, 5 August 2025
  • for which the two adiabatic states were coupled by a Jahn–Teller conical intersection. A nice fit between the symmetry-preserved single-state treatment...
    30 KB (5,064 words) - 14:34, 31 July 2025
  • understanding of nonadiabatic processes, especially near points of conical intersections. The direct calculation of vibronic couplings used to be uncommon...
    22 KB (2,760 words) - 23:42, 4 August 2025
  • seen in the conical intersection of potential energy surfaces and in the Aharonov–Bohm effect. Geometric phase around the conical intersection involving...
    30 KB (4,016 words) - 06:21, 21 April 2025
  • Thumbnail for Conical spiral
    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...
    8 KB (1,462 words) - 19:05, 24 July 2025
  • Thumbnail for Excimer
    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...
    10 KB (1,183 words) - 16:58, 21 May 2025
  • Thumbnail for Avoided crossing
    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...
    16 KB (2,614 words) - 09:49, 29 June 2025
  • Coin3D, a 3D computer graphics application programming interface Conical intersection, or COIN Coin (surname) Coin (department store), an Italian department...
    3 KB (456 words) - 16:13, 21 July 2025
  • 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...
    3 KB (455 words) - 05:49, 7 January 2024
  • the most important were his discovery of Geometric phase at the conical intersection of potential energy surfaces, his introduction of the correlation...
    16 KB (1,603 words) - 15:08, 17 April 2025
  • interest Cosine integral (standard mathematical symbols "Ci" and "ci") Conical intersection, the location of a discrete degeneracy between two electronic states...
    6 KB (698 words) - 21:21, 23 October 2024
  • to very low fluorescence quantum yields. The evolution toward the conical intersection is accompanied by conformational movements. An important part of...
    50 KB (5,670 words) - 08:20, 5 August 2025
  • Thumbnail for Conical refraction
    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...
    35 KB (5,378 words) - 21:10, 2 August 2025
  • Thumbnail for Retinal
    PMID 16459333. Send, Robert; Sundholm, Dage (2007). "Stairway to the conical intersection: A computational study of retinal isomerization". Journal of Physical...
    33 KB (3,318 words) - 03:35, 29 November 2024
  • Thumbnail for Diffuse interstellar bands
    "Fluorescence of the perylene radical cation and an inaccessible D0/D1 conical intersection: An MMVB, RASSCF, and TD-DFT computational study". The Journal of...
    18 KB (2,096 words) - 16:26, 24 June 2025
  • couple the potential energy surfaces. Nearby an avoided crossing or conical intersection, these terms are substantive. Therefore one unitary transformation...
    29 KB (4,002 words) - 08:33, 27 December 2024
  • Thumbnail for Cone
    Cone (redirect from Conical)
    called the lateral surface; if the lateral surface is unbounded, it is a conical surface. The axis of a cone is the straight line passing through the apex...
    15 KB (2,102 words) - 02:40, 12 June 2025
  • light. Reactions of electronically excited molecules often involve conical intersections, around which the potential energy surfaces have the shape of intersecting...
    7 KB (595 words) - 17:48, 15 July 2025
  • observation of geometric-phase interference in dynamics around a conical intersection". Nature Chemistry. 15 (11): 1503–1508. arXiv:2211.07320. Bibcode:2023NatCh...
    490 KB (44,594 words) - 00:05, 18 July 2025
  • Thumbnail for Conical coordinates
    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...
    5 KB (576 words) - 13:11, 21 April 2025
  • molecular ions. Nonadiabatic interactions. Avoided crossings and conical intersections. Transition probabilities between two coupled potential energy surfaces...
    2 KB (162 words) - 14:51, 10 February 2025
  • Thumbnail for Massimo Fagioli
    photo-stimulation determines the activation of the brain. The paper “Conical intersection dynamics of the primary photoisomerization event in vision” published...
    38 KB (5,132 words) - 20:28, 21 December 2024
  • Thumbnail for Countersink
    the surface being generated may be a conical chamfer (plunging applications) or a beveled corner for the intersection of two planes (traversing applications)...
    8 KB (980 words) - 11:10, 22 November 2024
  • Thumbnail for MOLCAS
    Molecular Dynamics Method for localization and characterization of conical intersections and seams MOLCAS has interface to several computational codes, including...
    8 KB (785 words) - 16:42, 29 July 2025
  • Thumbnail for Mixed quantum-classical dynamics
    via TD-DFT and Localized Diabatization: Intersystem Crossings, Conical Intersections, and Phosphorescence". The Journal of Physical Chemistry C. 117...
    20 KB (1,862 words) - 22:34, 26 May 2025
  • 2019-01-17. Fielding, Helen H. (2018). "Molecular movies filmed at conical intersections" (PDF). Science. 361 (6397): 30–31. Bibcode:2018Sci...361...30F...
    15 KB (1,378 words) - 19:16, 9 July 2024
  • Thumbnail for Sphere
    More significantly, Vitruvius (On Architecture, Vitr. 9.8) associated conical sundials with Dionysodorus (early 2nd century bce), and Dionysodorus, according...
    41 KB (5,349 words) - 17:17, 5 August 2025
  • Thumbnail for Augustin-Jean Fresnel
    intersect the refractive surface (assumed flat); then, through that intersection, tangent planes should be drawn to the inner sphere and spheroid (cf...
    70 KB (8,093 words) - 05:18, 6 August 2025
  • 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