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3. Between the Two Methods, I Prefer the Ladder Using the raising and lowering operators, and...
Using the properties of the raising and lowering operators for the 1 dimensional simple harmonic oscillator...
Using the properties of the raising and lowering operators for the 1 dimensional simple harmonic oscillator to compute where is an integer and
Problem #7 The quantum harmonic oscillator Hamiltonian, expressed in terms of raising and lowering operators, is We also know that Using these two statements, show that if then both Yn and ah have we...
Problem #7 The quantum harmonic oscillator Hamiltonian, expressed in terms of raising and lowering operators, is We also know that Using these two statements, show that if then both Yn and ah have well-defined energies. Give these energies in terms of μη.
Problem #7 The quantum harmonic oscillator Hamiltonian, expressed in terms of raising and lowering operators, is We also know that Using these two statements, show that if then both Yn and ah have well-defined energies. Give these energies...
2. The ladder operators can be used to determine the lowest eigenstate (ground state) of the...
2. The ladder operators can be used to determine the lowest eigenstate (ground state) of the harmonic oscillator by using the following relation of the annihilation operator, à alo) - 0 This equation is fundamental to ladder operators and implies that it is not possible to step down further in energy than the ground state. Determine the ground state wave function h(x (i.e. [0) using the relation above and the following information The annihilation operator is defined as: ) ·The...
I need part c please :) 2. What makes the operators a and a', defined...
I need part c please :)
2. What makes the operators a and a', defined in problem 1 e, of the last homework, useful, is that they make it easy to manipulate the solutions to the harmonic oscillator. The general behavior of the operators when they operate on harmonic oscillator wavefunctions, yv, is as follows: a' SQRT(v+1) i.c., operating with a' on one of the harmonic oscillator eigenfunctions, ww, converts it to the next highest eigenfunction, ψν+1-Therefore at is...
1. Problems on unitary operators. For a function f(r) that can be expanded in a Taylor...
1. Problems on unitary operators. For a function f(r) that can be expanded in a Taylor series, show that Here a is a constant, and pis the momentum operator. The exponential of an operator is defined as ea_ ??? i,O" Verify that the unitary operator elo/h can be constructed as follows (Hint: Notice that f(x +a) (al) and eohf())) e Prove that Here is the position operator. (Hint: You may work in the momentum space, in which p = p...
Intro to Quantum Mechanics problem: . In a harmonic oscillator a normalized "coherent" state ya(x) is...
Intro to Quantum Mechanics problem:
. In a harmonic oscillator a normalized "coherent" state ya(x) is defined in terms of the lowering operator a. by aXa(x) = a Xa(x) for some (complex) number a. /Coherent states have many applications in atomic, molecular, and optical physics, for instance lasers and Bose-Einstein condensates]. (a) Using the properties for any wavefunctions f(x) and g(x) that 00 00 if ag dx (a.f)g dx f a+g dx (a.)'g dx -00 -00 -00 calculate <x >...
6. a) Calculate the expectation value of x as a function of time for an electron...
6. a) Calculate the expectation value of x as a function of time for an electron in a state that is a (normalized) equal mixture of the ground state and 1st excited state of a 1D HO b) Graph x vs time for the case k = 1 eV/nm2. What is its value at t=0? What is the period of the oscillation in femtoseconds? For the one-dimensional (1D) harmonic oscillator (HO) the potential energy function has the form V(a) k2/2,...
2. This problem will help you understand how two atoms can form a molecule through the...
2. This problem will help you understand how two atoms can form a molecule through the process of chemical bonding. The physics behind the chemical bonding is very much the same as that discussed in energy splitting process to form energy bands in a macroscopic matter state where we have a lot of atoms involved but all atoms are nicely arranged to form a kind of periodic structure. In this problem, let's make things even simpler: we only consider two...
Using the properties of the raising and lowering operators for the 1 dimensional simple harmonic oscillator to compute where is an integer and
Problem #7 The quantum harmonic oscillator Hamiltonian, expressed in terms of raising and lowering operators, is We also know that Using these two statements, show that if then both Yn and ah have well-defined energies. Give these energies in terms of μη.
Problem #7 The quantum harmonic oscillator Hamiltonian, expressed in terms of raising and lowering operators, is We also know that Using these two statements, show that if then both Yn and ah have well-defined energies. Give these energies...
2. The ladder operators can be used to determine the lowest eigenstate (ground state) of the harmonic oscillator by using the following relation of the annihilation operator, à alo) - 0 This equation is fundamental to ladder operators and implies that it is not possible to step down further in energy than the ground state. Determine the ground state wave function h(x (i.e. [0) using the relation above and the following information The annihilation operator is defined as: ) ·The...
I need part c please :)
2. What makes the operators a and a', defined in problem 1 e, of the last homework, useful, is that they make it easy to manipulate the solutions to the harmonic oscillator. The general behavior of the operators when they operate on harmonic oscillator wavefunctions, yv, is as follows: a' SQRT(v+1) i.c., operating with a' on one of the harmonic oscillator eigenfunctions, ww, converts it to the next highest eigenfunction, ψν+1-Therefore at is...
1. Problems on unitary operators. For a function f(r) that can be expanded in a Taylor series, show that Here a is a constant, and pis the momentum operator. The exponential of an operator is defined as ea_ ??? i,O" Verify that the unitary operator elo/h can be constructed as follows (Hint: Notice that f(x +a) (al) and eohf())) e Prove that Here is the position operator. (Hint: You may work in the momentum space, in which p = p...
Intro to Quantum Mechanics problem:
. In a harmonic oscillator a normalized "coherent" state ya(x) is defined in terms of the lowering operator a. by aXa(x) = a Xa(x) for some (complex) number a. /Coherent states have many applications in atomic, molecular, and optical physics, for instance lasers and Bose-Einstein condensates]. (a) Using the properties for any wavefunctions f(x) and g(x) that 00 00 if ag dx (a.f)g dx f a+g dx (a.)'g dx -00 -00 -00 calculate <x >...
6. a) Calculate the expectation value of x as a function of time for an electron in a state that is a (normalized) equal mixture of the ground state and 1st excited state of a 1D HO b) Graph x vs time for the case k = 1 eV/nm2. What is its value at t=0? What is the period of the oscillation in femtoseconds? For the one-dimensional (1D) harmonic oscillator (HO) the potential energy function has the form V(a) k2/2,...
2. This problem will help you understand how two atoms can form a molecule through the process of chemical bonding. The physics behind the chemical bonding is very much the same as that discussed in energy splitting process to form energy bands in a macroscopic matter state where we have a lot of atoms involved but all atoms are nicely arranged to form a kind of periodic structure. In this problem, let's make things even simpler: we only consider two...
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