One solution to the harmonic oscillator, with a potential energy V(x)=1/2 kx2, is ?(?) = ???^...
One solution to the harmonic oscillator, with a potential energy V(x)=1/2 kx2, is
?(?) = ???^ (− ??^ 2) /2 , where N is a normalization constant and ? = √ ??/ ħ^ 2 .
Determine the energy of this wave function using the time independent Schrödinger equation
Homework Answers
This given wavefunction is an first excited state wave function. Hence, n=1. So the energy of the harmonic oscillator is solved using the Operator algebra in which we will use annihilation and creation operators. The detailed solution is given below:
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One solution to the harmonic oscillator, with a potential energy
V(x)=1/2 kx2, is
?(?) = ???^...
A one-particle two-dimensional harmonic oscillator has the potential energy function V=V(x,y)=k/2(x2+y2). write the t...
A one-particle two-dimensional harmonic oscillator has the potential energy function V=V(x,y)=k/2(x2+y2). write the time-independent SchrÖdinger equation for the system and the energy eigenvalues. Define clearly the symbols you used.
The potential energy for a 3-D spherically symmetric harmonic oscillator is V kr an (a) Write dow...
The potential energy for a 3-D spherically symmetric harmonic oscillator is V kr an (a) Write down the time-independent Schrödinger equation for this potential. Express V in appropriate coordinate system for the potential. (b) Based on your previous experience, do you expect that it is possible to separate the variables in this equation? Briefly explain.
The potential energy for a 3-D spherically symmetric harmonic oscillator is V kr an (a) Write down the time-independent Schrödinger equation for this potential. Express...
Potential energy function, V(x) = (1/2)mw2x2 Assuming the time-independent Schrödinger equation, show that the following wave...
Potential energy function,
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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 particle of mass m is bound by the spherically-symmetric three-dimensional harmonic- oscillator potential energy ,...
A particle of mass m is bound by the spherically-symmetric three-dimensional harmonic- oscillator potential energy , and ф are the usual spherical coordinates. (a) In the form given above, why is it clear that the potential energy function V) is (b) For this problem, it will be more convenient to express this spherically-symmetric where r , spherically symmetric? A brief answer is sufficient. potential energy in Cartesian coordinates x, y, and z as physically the same potential energy as the...
A For a particle with mass m moving under a one dimensional potential V(x), one solution...
A For a particle with mass m moving under a one dimensional potential V(x), one solution to the Schrödinger equation for the region 0<x< oo is x) =2 (a>0), where A is the normalization constant. The energy of the particle in the given state is 0, Show that this function is a solution, and find the corresponding potential V(x)?
The lowest energy wavefunction of the quantum harmonic oscillator has the form (c) Determine σ an...
The lowest energy wavefunction of the quantum harmonic oscillator has the form (c) Determine σ and Eo (the energy of this lowest-energy wavefunction) by using the time-independent Schrödinger equation (H/Ho(x)- E/Ho(x) In Lecture 3, we found that the solution for a classical harmonic oscillator displaced from equilibrium by an amount o and released at rest was x(t)cos(wt) (d) Classically, what is the momentum of this harmonic oscillator as a function of time? (e) Show that 〈z) (expectation value of x)...
4. (20 points) Harmonic Oscillator The ground state wave function of a simple harmonic oscillator is...
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...
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3. The quantum harmonic oscillator is the quantum-mechanical analog of the classical harmonic oscillator. Because an arbitrary potential can usually be approximated as a harmonic potential at the vicinity of a stable equilibrium point, it is one of the most important model systems in quantum mechanics. Consider an electron trapped by a one-dimensional harmonic potential V(x)=-5 mo?x” (where m is the electron mass, o is a constant angular frequency). In this case, the Schrödinger equation takes the following form, **...
a) Show that the wave function y(x) = N exp( – x²/(2a?)) with a? = ()...
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3- A one-dimensional harmonic oscillator wave function is ψ(x) = Axe-bx2 a) Find the total energy...
3- A one-dimensional harmonic oscillator wave function is ψ(x) = Axe-bx2 a) Find the total energy E b) Find the constant b c) Find the normalization constant A. d) Find the expectation value of x, e) Find the uncertainty in x, Ох. f) Find the expectation value of p g) Find the uncertainty in p, Op For the Hamiltonian matrix shown below:
3- A one-dimensional harmonic oscillator wave function is ψ(x) = Axe-bx2 a) Find the total energy E b)...
The potential energy for a 3-D spherically symmetric harmonic oscillator is V kr an (a) Write down the time-independent Schrödinger equation for this potential. Express V in appropriate coordinate system for the potential. (b) Based on your previous experience, do you expect that it is possible to separate the variables in this equation? Briefly explain.
The potential energy for a 3-D spherically symmetric harmonic oscillator is V kr an (a) Write down the time-independent Schrödinger equation for this potential. Express...
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 particle of mass m is bound by the spherically-symmetric three-dimensional harmonic- oscillator potential energy , and ф are the usual spherical coordinates. (a) In the form given above, why is it clear that the potential energy function V) is (b) For this problem, it will be more convenient to express this spherically-symmetric where r , spherically symmetric? A brief answer is sufficient. potential energy in Cartesian coordinates x, y, and z as physically the same potential energy as the...
A For a particle with mass m moving under a one dimensional potential V(x), one solution to the Schrödinger equation for the region 0<x< oo is x) =2 (a>0), where A is the normalization constant. The energy of the particle in the given state is 0, Show that this function is a solution, and find the corresponding potential V(x)?
The lowest energy wavefunction of the quantum harmonic oscillator has the form (c) Determine σ and Eo (the energy of this lowest-energy wavefunction) by using the time-independent Schrödinger equation (H/Ho(x)- E/Ho(x) In Lecture 3, we found that the solution for a classical harmonic oscillator displaced from equilibrium by an amount o and released at rest was x(t)cos(wt) (d) Classically, what is the momentum of this harmonic oscillator as a function of time? (e) Show that 〈z) (expectation value of x)...
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...
3. The quantum harmonic oscillator is the quantum-mechanical analog of the classical harmonic oscillator. Because an arbitrary potential can usually be approximated as a harmonic potential at the vicinity of a stable equilibrium point, it is one of the most important model systems in quantum mechanics. Consider an electron trapped by a one-dimensional harmonic potential V(x)=-5 mo?x” (where m is the electron mass, o is a constant angular frequency). In this case, the Schrödinger equation takes the following form, **...
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3- A one-dimensional harmonic oscillator wave function is ψ(x) = Axe-bx2 a) Find the total energy E b)...
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