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  2. Slater-type orbital - Wikipedia

    en.wikipedia.org/wiki/Slater-type_orbital

    STOs have the following radial part: =where n is a natural number that plays the role of principal quantum number, n = 1,2,...,; N is a normalizing constant,; r is the distance of the electron from the atomic nucleus, and

  3. Node (physics) - Wikipedia

    en.wikipedia.org/wiki/Node_(physics)

    A standing wave. The red dots are the wave nodes. A node is a point along a standing wave where the wave has minimum amplitude. For instance, in a vibrating guitar string, the ends of the string are nodes. By changing the position of the end node through frets, the guitarist changes the effective length of the vibrating string and thereby the ...

  4. Atomic orbital - Wikipedia

    en.wikipedia.org/wiki/Atomic_orbital

    Additionally, as is the case with the s orbitals, individual p, d, f and g orbitals with n values higher than the lowest possible value, exhibit an additional radial node structure which is reminiscent of harmonic waves of the same type, as compared with the lowest (or fundamental) mode of the wave.

  5. Slater's rules - Wikipedia

    en.wikipedia.org/wiki/Slater's_rules

    where n is the (true) principal quantum number, l the azimuthal quantum number, and f nl (r) is an oscillatory polynomial with n - l - 1 nodes. [5] Slater argued on the basis of previous calculations by Clarence Zener [ 6 ] that the presence of radial nodes was not required to obtain a reasonable approximation.

  6. Radial basis function - Wikipedia

    en.wikipedia.org/wiki/Radial_basis_function

    A radial function is a function : [,).When paired with a norm on a vector space ‖ ‖: [,), a function of the form = (‖ ‖) is said to be a radial kernel centered at .A radial function and the associated radial kernels are said to be radial basis functions if, for any finite set of nodes {} =, all of the following conditions are true:

  7. Particle in a spherically symmetric potential - Wikipedia

    en.wikipedia.org/wiki/Particle_in_a_spherically...

    Hydrogen atomic orbitals of different energy levels. The more opaque areas are where one is most likely to find an electron at any given time. In quantum mechanics, a spherically symmetric potential is a system of which the potential only depends on the radial distance from the spherical center and a location in space.

  8. Orbit equation - Wikipedia

    en.wikipedia.org/wiki/Orbit_equation

    In astrodynamics, an orbit equation defines the path of orbiting body around central body relative to , without specifying position as a function of time.Under standard assumptions, a body moving under the influence of a force, directed to a central body, with a magnitude inversely proportional to the square of the distance (such as gravity), has an orbit that is a conic section (i.e. circular ...

  9. Orbital node - Wikipedia

    en.wikipedia.org/wiki/Orbital_node

    In the case of objects outside the Solar System, the ascending node is the node where the orbiting secondary passes away from the observer, and the descending node is the node where it moves towards the observer. [5], p. 137. The position of the node may be used as one of a set of parameters, called orbital elements, which