2. Consider a one-dimensional simple harmonic oscillator. Do the following algebraically.
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2. Consider a one-dimensional simple harmonic oscillator. Do the
following algebraically.
2. Consider a one -dimensional...
A particle with mass m is in a one-dimensional simple harmonic oscillator potential. At time t = 0 it is described by the state where lo and l) are normalised energy eigenfunctions corresponding to e...
A particle with mass m is in a one-dimensional simple harmonic oscillator potential. At time t = 0 it is described by the state where lo and l) are normalised energy eigenfunctions corresponding to energies E and Ey and b and c are real constants. (a) Find b and c so that (x) is as large as possible. b) Write down the wavefunction of this particle at a time t later c)Caleulate (x) for the particle at time t (d)...
Example Question Suppose a molecule exists as a one dimensional harmonic oscillator in a superposition state...
Example Question Suppose a molecule exists as a one dimensional harmonic oscillator in a superposition state that is given by the following wavefunction: 1 15 Y = -4 +291 Where Y. and Y, are the ground state and the first excited state wavefunctions of the harmonic oscillator. Evaluate the expectation value of the vibrational energy this molecule in such a superposition state (in cm ) given that the vibration constant for the molecule is about 1800 cm
consider a physical system 1. Consider a one-dimensional simple harmonic oscillator. a. Using +mw 2h mw...
consider a physical system
1. Consider a one-dimensional simple harmonic oscillator. a. Using +mw 2h mw ip ip mw evaluate (mlixln) (mlpln), (m+pxn) mn)(mpn b. Check that the virial theorem holds for the expectation values of the kinetic and P) the potential energy taken with respect to an energy eigenstate, i.e, the potential energy taken with respect to an energy eigenstate, 1e, V 2m 2
Please do this problem about quantum mechanic harmonic oscillator and show all your steps thank you. Q1. Consider a particle of mass m moving in a one-dimensional harmonic oscillator potential. 1....
Please do this problem about quantum mechanic harmonic
oscillator and show all your steps thank you.
Q1. Consider a particle of mass m moving in a one-dimensional harmonic oscillator potential. 1. Calculate the product of uncertainties in position and momentum for the particle in 2. Compare the result of (a) with the uncertainty product when the particle is in its the fifth excited state, ie. (OxơP)5. lowest energy state.
Q1. Consider a particle of mass m moving in a one-dimensional...
Question A2: Coherent states of the harmonic oscillator Consider a one-dimensional harmonic oscillator with the Hamiltonian...
Question A2: Coherent states of the harmonic oscillator Consider a one-dimensional harmonic oscillator with the Hamiltonian 12 12 m2 H = -2m d. 2+ 2 Here m and w are the mass and frequency, respectively. Consider a time-dependent wave function of the form <(x,t) = C'exp (-a(x – 9(t)+ ik(t)z +io(t)), where a and C are positive constants, and g(t), k(t), and o(t) are real functions of time t. 1. Express C in terms of a. [2 marks] 2. By...
Estimate the ground-state energy of a one-dimensional simple harmonic oscillator using (50) = e-a-l as a...
Estimate the ground-state energy of a one-dimensional simple harmonic oscillator using (50) = e-a-l as a trial function with a to be varied. For a simple harmonic oscillator we have H + jmwºr? Recall that, for the variational method, the trial function (HO) gives an expectation value of H such that (016) > Eo, where Eo is the ground state energy. You may use: n! dH() ||= TH(c) – z[1 – H(r)], 8(2), dx S." arcade an+1 where (x) and...
Consider a particle with mass m described by the Hamilton operator for a one-dimensional harmonic oscillator...
Consider a particle with mass m described by the Hamilton operator for a one-dimensional harmonic oscillator 2 Zm 2 The normalized eigenfunctions for Hare φη (x) with energies E,,-(n + 2) ha. At time t-0 the wavefunction of the particle is given by у(x,0)- (V3іфі (x) + ф3(x)). Now let H' be an operator given by where k is a positive constant. 1) Show that H' is Hermitian. 2) Express H' by the step-operators a+ and a 3) Calculate the...
could someone please help me with part c? Consider a one-dimensional harmonic oscillator, at a timet...
could someone please help me
with part c?
Consider a one-dimensional harmonic oscillator, at a timet - 0 in the state, where In〉 is the nth energy eigenstate with energy eigenvalues En = (n + ,wo a) Write out an expression, in terms of the energies En, for the state vector at a time t. That is, write down what ^(t)) is equal to. b) Calculate the expectation value of the energy of the state vector. c) Calculate the expectation...
3. Consider the simple harmonic oscillator. sub) Simple harmonic oscillator, subject to an external force f.my'...
3. Consider the simple harmonic oscillator. sub) Simple harmonic oscillator, subject to an external force f.my' + ky = f. whereby m, k > 0, with initial conditions y(0) > 0. with initial conditions (0) = 0 and y(0) = 0. Find the solution given that (i) f(t) = 2: (ii) f(t) = e'; (iii) f(t) = sint, k m ; (iv) f(t) = sint, k=m.
Consider a particle of mass m under the action of the one-dimensional harmonic oscillator potential. The Hamiltonian is...
Consider a particle of mass m under the action of the one-dimensional harmonic oscillator potential. The Hamiltonian is given by Knowing that the ground state of the particle at a certain instant is described by the wave function mw 1/4 _mw2 Th / calculate (for the ground state): a) The mean value of the position <x> (2 marks) b) The mean value of the position squared < x2 > (2 marks) c) the mean value of the momentum <p> (2...
A particle with mass m is in a one-dimensional simple harmonic oscillator potential. At time t = 0 it is described by the state where lo and l) are normalised energy eigenfunctions corresponding to energies E and Ey and b and c are real constants. (a) Find b and c so that (x) is as large as possible. b) Write down the wavefunction of this particle at a time t later c)Caleulate (x) for the particle at time t (d)...
Example Question Suppose a molecule exists as a one dimensional harmonic oscillator in a superposition state that is given by the following wavefunction: 1 15 Y = -4 +291 Where Y. and Y, are the ground state and the first excited state wavefunctions of the harmonic oscillator. Evaluate the expectation value of the vibrational energy this molecule in such a superposition state (in cm ) given that the vibration constant for the molecule is about 1800 cm
consider a physical system
1. Consider a one-dimensional simple harmonic oscillator. a. Using +mw 2h mw ip ip mw evaluate (mlixln) (mlpln), (m+pxn) mn)(mpn b. Check that the virial theorem holds for the expectation values of the kinetic and P) the potential energy taken with respect to an energy eigenstate, i.e, the potential energy taken with respect to an energy eigenstate, 1e, V 2m 2
Please do this problem about quantum mechanic harmonic
oscillator and show all your steps thank you.
Q1. Consider a particle of mass m moving in a one-dimensional harmonic oscillator potential. 1. Calculate the product of uncertainties in position and momentum for the particle in 2. Compare the result of (a) with the uncertainty product when the particle is in its the fifth excited state, ie. (OxơP)5. lowest energy state.
Q1. Consider a particle of mass m moving in a one-dimensional...
Question A2: Coherent states of the harmonic oscillator Consider a one-dimensional harmonic oscillator with the Hamiltonian 12 12 m2 H = -2m d. 2+ 2 Here m and w are the mass and frequency, respectively. Consider a time-dependent wave function of the form <(x,t) = C'exp (-a(x – 9(t)+ ik(t)z +io(t)), where a and C are positive constants, and g(t), k(t), and o(t) are real functions of time t. 1. Express C in terms of a. [2 marks] 2. By...
Estimate the ground-state energy of a one-dimensional simple harmonic oscillator using (50) = e-a-l as a trial function with a to be varied. For a simple harmonic oscillator we have H + jmwºr? Recall that, for the variational method, the trial function (HO) gives an expectation value of H such that (016) > Eo, where Eo is the ground state energy. You may use: n! dH() ||= TH(c) – z[1 – H(r)], 8(2), dx S." arcade an+1 where (x) and...
Consider a particle with mass m described by the Hamilton operator for a one-dimensional harmonic oscillator 2 Zm 2 The normalized eigenfunctions for Hare φη (x) with energies E,,-(n + 2) ha. At time t-0 the wavefunction of the particle is given by у(x,0)- (V3іфі (x) + ф3(x)). Now let H' be an operator given by where k is a positive constant. 1) Show that H' is Hermitian. 2) Express H' by the step-operators a+ and a 3) Calculate the...
could someone please help me
with part c?
Consider a one-dimensional harmonic oscillator, at a timet - 0 in the state, where In〉 is the nth energy eigenstate with energy eigenvalues En = (n + ,wo a) Write out an expression, in terms of the energies En, for the state vector at a time t. That is, write down what ^(t)) is equal to. b) Calculate the expectation value of the energy of the state vector. c) Calculate the expectation...
3. Consider the simple harmonic oscillator. sub) Simple harmonic oscillator, subject to an external force f.my' + ky = f. whereby m, k > 0, with initial conditions y(0) > 0. with initial conditions (0) = 0 and y(0) = 0. Find the solution given that (i) f(t) = 2: (ii) f(t) = e'; (iii) f(t) = sint, k m ; (iv) f(t) = sint, k=m.
Consider a particle of mass m under the action of the one-dimensional harmonic oscillator potential. The Hamiltonian is given by Knowing that the ground state of the particle at a certain instant is described by the wave function mw 1/4 _mw2 Th / calculate (for the ground state): a) The mean value of the position <x> (2 marks) b) The mean value of the position squared < x2 > (2 marks) c) the mean value of the momentum <p> (2...
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