Finite Potential Well - Particle in A 1-dimensional Box

Particle in A 1-dimensional Box

For the 1-dimensional case on the x-axis, the time-independent Schrödinger equation can be written as:

where

,
is Planck's constant,
is the mass of the particle,
is the (complex valued) wavefunction that we want to find,
is a function describing the potential energy at each point x, and
is the energy, a real number, sometimes called eigenenergy.


For the case of the particle in a 1-dimensional box of length L, the potential is zero inside the box, but rises abruptly to a value at x = -L/2 and x = L/2. The wavefunction is considered to be made up of different wavefuctions at different ranges of x, depending on whether x is inside or outside of the box. Therefore the wavefunction is defined such that:

Read more about this topic:  Finite Potential Well

Famous quotes containing the words particle in, particle and/or box:

    Experience is never limited, and it is never complete; it is an immense sensibility, a kind of huge spider-web of the finest silken threads suspended in the chamber of consciousness, and catching every air-borne particle in its tissue.
    Henry James (1843–1916)

    The way to learn German, is, to read the same dozen pages over and over a hundred times, till you know every word and particle in them, and can pronounce and repeat them by heart.
    Ralph Waldo Emerson (1803–1882)

    He had put, within his reach,
    A box of counters and a red-veined stone,
    A piece of glass abraded by the beach,
    And six or seven shells,
    A bottle with bluebells,
    And two French copper coins, ranged there with careful art,
    Coventry Kersey Dighton Patmore (1823–1896)