3. Compute () and (2) for the ground state of the harmonic oscillator potential (you will have to...
4. (20 points) Harmonic Oscillator The ground state wave function of a simple harmonic oscillator is (a) = Ae-42", where a = (a) Using the normalization condition, obtain the constant A. (b) Find (c), (), and Az, using the result of A obtained in (a). Again, A.= V(32) - (2) (c) Find (p) and Ap. For the latter, you need to evaluate (p). Hint: For a harmonic oscillator, the time-averaged kinetic energy is equal to the time-averaged potential energy, and...
As a result of a sudden perturbation of the harmonic oscillator originally in the ground state, the restoring force coefficient k in its potential energy U(a) (1/2)k2 changes to k' ak, a>0. Find the proba- bility to find the new oscillator in an excited state.
As a result of a sudden perturbation of the harmonic oscillator originally in the ground state, the restoring force coefficient k in its potential energy U(a) (1/2)k2 changes to k' ak, a>0. Find the proba-...
9.5 A particle of mass m is in the ground state in the harmonic oscillator potential A small perturbation Bx6 is added to this potential (a) What are the units of ?? (b) How small must B be in order for perturbation theory to be valid? (c) Calculate the first-order change in the energy of the particle.
Question 3: A particle is in the ground state (po) of a simple harmonic oscillator potential. (a) Determine Φ(p,t). (b) Classically, the kinetic energy cannot exceed the total mechanical energy of the particle, so w. You measure the momentum of the particle. What is the probability that you will measure a value outside of the classically allowed range? 2 Reminders: foo e-a2+br dr=v/Te4a where a is real and positive. The error e edt and can be calculated numerically function is...
2. Variational method. We can approximate the true ground-state wavefunction of the harmonic -프sxs and w(x) =D0 cos(cx) in the range oscillator by the trial wavefunction p(x) = X 2c 2c outside this range. (This wavefunction is already normalized). (A) Compute the energy expectation value of b as a function of c. (B) Determine the value of c that gives the minimal energy. (C) Compare the minimal energy to the energy of the true ground-state wavefunction
2. Variational method. We...
Harmonic Oscillator: Determine the expectation value of the position of a harmonic oscillator in its ground state, Show that the uncertainty in the position of a ground state harmonic oscillator is Delta x 1/square root 2 (h^2/mk)^1/4.
5. A particle in the harmonic oscillator potential has the initial wave function Psi(x, 0) = A[\psi_{0}(x) + \psi_{1}(x)] for some constant A. Here to and ₁ are the normalized ground state and the first excited state wavefunctions of the harmonic oscillator, respectively. (a) Normalize (r, 0). (b) Find the wavefunction (r, t) at a later time t and hence evaluate (x, t) 2. Leave your answers involving expressions in to and ₁. c) sing the following normalized expression of...
For the ground state of the 1D simple harmonic oscillator, determine the average values of the kinetic energy KE and the potential energy V and in doing so verify that (KE) = (V).
4. What is the extent of the ground state wavefunction of the vibration (approxi- mated as a harmonic oscillator)for NO. Note that vibrational transitions in NO are observed at 5.6 × 1013 Hz and its overtones. Hint: be careful with what (1 point) effective "mass" vou use for the vibration.
4. What is the extent of the ground state wavefunction of the vibration (approxi- mated as a harmonic oscillator)for NO. Note that vibrational transitions in NO are observed at 5.6...
Consider a particle subjected to a harmonic oscillator potential of the form x)m. The allowed values of energy for the simple harmonic oscillator is (a) What is the energy corresponding to the ground state (3 points)? (b) What is the energy separation between the ground state and the first excited state (3 points)? (c) The selection rule allows only those transitions for which the quantum number changes by 1. What is the energy of photon necessary to make the transition...