Derive the time-independent Schrödinger equation from the classical nondispersive wave equation and a generic standing wave.
1 Time-independent Schrödinger equation (TISE) Remember the (one-dimensional) time-independent Schrödinger equation (TISE) for a state ( definite energy E: with Now shift the potential energy by a constant: V(x) -> V(x) Vo Show that (a) The allowed energies (El,Ea. . .) are all shifted by Vo (b) The corresponding states (vi (x),P2( r),...) remain the same.
2. The hydrogen atom [8 marks] The time-independent Schrödinger equation for the hydrogen atom in the spherical coordinate representation is where ao-top- 0.5298 10-10rn is the Bohr radius, and μ is the electon-proton reduced mass. Here, the square of the angular momentum operator L2 in the spherical coordinate representation is given by: 2 (2.2) sin θー sin θ 00 The form of the Schrödinger equation means that all energy eigenstates separate into radial and angular motion, and we can write...
4. Differential equation. Show that if ψ(x) is a solution of the one-dimensional time-independent Schrödinger equation, then c ψ(x), where c is an arbitrary complex constant, is also a solution.
2. [16 points] What is the solution of the time-dependent Schrödinger Equation Ψ(x, t) for the solution of the time-independent Schrödinger Equation Ψ(x) = ,in (m) in the particle in the box model? Write ω =-explicitly in terms of the parameters of the problem. Explicily show that W,(Cx.t) solves the time-dependent Schrödinger Equation 2
1. The time-dependent Schrödinger equation The time-dependent Schrödinger equation is -R2 824(1,t) + V (1,t) (1,t) = in 2m 0:2 . (a) For V1, t) = 0, show that the wave function (1,t) = A sin (kr - wt) does not satisfy the time- dependent Schrödinger equation. (b) For VI,t) = 0, Show that I, t) = A cos(kr - wt) + i sin (kr - wt) does satisfy this equation. This is a simple demonstration that the wavefunction in...
Solve the following problems
HW9. Show that the time-independent Schrödinger equation is given by P(x)/(x) = Eve from the traveling wave equation and the wave function (x./)=v(x)cos or HW10. Example 9.3 Calculation of a normalization factor Given that the wavefunction for the hydrogen atom in the ground state (n = 1) is of the form = Ne , where r is the distance from the nucleus to the electron and do is the Bohr radius, calculate the normalization factor N.
Potential energy function,
V(x) = (1/2)mw2x2
Assuming the time-independent Schrödinger equation, show that the following wave functions are solutions describing the one-dimensional harmonic behaviour of a particle of mass m, where ?2-h/v/mK, and where co and ci are constants. Calculate the energies of the particle when it is in wave-functions ?0(x) and V1 (z) What is the general expression for the allowed energies En, corresponding to wave- functions Un(x), of this one-dimensional quantum oscillator? 6 the states corresponding to the...
(a) Write down the Schrödinger equation in Dirac notation. (2%) (b) Write x-representation in one dimensional systems. (3%) down both time dependent and time independent Schrödinger equations in
4. Consider the time-independent Schrödinger equation for an "atom" in which the attractive force between the electron and the proton is modeled as a spring. Then V(r)- (1/2)mu22, where m is the mass of the electron and w is the natural frequency of oscillation You're goal is to determine the eigenenergies of the electron and the corresponding wave functions, as outlined below Let's again start with the radial equation associated with the Schrodinge equation 4.37 in Griffiths [where u(r) R(r)...