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(a) Show the expression of the Hamiltonian operator for the single electron in Het and Write...
Write the expression for the classical electronic energy of a Be atom. Write the Hamiltonian operator...
Write the expression for the classical electronic energy of a Be atom. Write the Hamiltonian operator for a Be atom in atomic units, identifying all terms. Write a trial wavefunction for the electrons in a Be atom.
(a) Write out the exact wavefunction expression for an electron in H at the ground state...
(a) Write out the exact wavefunction expression for an electron in H at the ground state and Write out the exact expression for the potential energy of an electron in H (b) Calculate the expectation value for the potential energy of the H atom with the electron in the ground state.
1. Given a state y(r) expanded on the eigenstates of the Hamiltonian for the electron, H, in a hydrogen atom: where the...
1. Given a state y(r) expanded on the eigenstates of the Hamiltonian for the electron, H, in a hydrogen atom: where the subscript of E is n, the principal quantum number. The other two numbers are the 1 and m values, find the expectation values of H (you may use the eigenvalue equation to evaluate for H), L-(total angular momentum operator square), Lz (the z-component of the angular momentum operator) and P (parity operator). Draw schematic pictures of 1 and...
5. Part 1. (6 pt) An electron moves around a 2D ring with ring radius 0.50 nm in the state m --20...
5. Part 1. (6 pt) An electron moves around a 2D ring with ring radius 0.50 nm in the state m --20. Determine the wavelength (in nm) of the particle wave induced by this electron. (similar to a question in Exam 1) Part 2. (a) (7pt) A wavefunction is given by y, (e, 4-B sin cos(6). Can this function be an eigenfunction of Legendrían operator (A2.sunagatsineaesin暘for a quantum particle moving around a spherical surface)? If so, determine the eigenvalue and...
A free electron is described by the wave function: Using the linear momentum operator, derive an expression for the mo...
A free electron is described by the wave function:
Using the linear momentum operator, derive an expression for
the momentum of the electron. Is your answer consistent with de
Broglie's equation?
Write answers clearly on the sheet. Show all working and underline your final answer 1. A free electron is described by the wave function, *(x) = Ae ** Using the linear momentum operator, P = -ih d/dx, derive an expression for the momentum of the electron. Is your answer...
The function ψ2px-1(ψ2,1,1+ψ2,1-1) describes an electron in the 2px state of a hydrogen-like atom (with unspecified...
The function ψ2px-1(ψ2,1,1+ψ2,1-1) describes an electron in the 2px state of a hydrogen-like atom (with unspecified spin). Functions ψη..my are normalized egenfuntions of the energy operator (A), the square of angular momentum operator (12), and the z-component of angular momentum operator (Lz), that is 4. E1 a) Show that the function ψ2px is an eigen function of both the energy operator and the square of angular momentum operator. Find the corresponding eigenvalues. b) Determine the expected value and the uncertainty...
Question 21 Consider a free electron in one dimension (i.e. an electron free to move along...
Question 21 Consider a free electron in one dimension (i.e. an electron free to move along say the x-direction on (a) The time-independent Schrödinger equation is Αψη (x)-Εηψη (x), where is the Hamiltonian (total energy) operator, and ψη (x) are the electron wave functions associated with energies En Assuming the electron's energy entirely comprises kinetic energy (as it is 'free' there is no potential energy term), write down the Schrödinger equation given that the momentum operator in one- dimension is...
qm 09.3 3. An operator  is Hermitian if it satisfies the condition $ $(y) dx...
qm 09.3
3. An operator  is Hermitian if it satisfies the condition $ $(y) dx = (Ap) u dx, for any wavefunctions $(x) and y(x). (i) The time dependent Schrödinger equation is ih au = fu, at where the Hamiltonian operator is Hermitian. Show that the equation of mo- tion for the expectation value of any Hermitian operator  is given by d(A) IH, Â]), dt ħi i = where the operator  does not depend explicitly on time....
Gravitational constant G 8) Write down explicitly all the terms in the Hamiltonian operator and t...
gravitational constant G 8) Write down explicitly all the terms in the Hamiltonian operator and the time-dependent Schrödinger equation for the electron in a 1-electron atom (or ion) whose nucleus has Z protons in it. Assume the nucleus is rigidly attached to the spatial origin. Use Cartesian coordinates and explicitly show all dependences on each of the coordinates.
gravitational constant G 8) Write down explicitly all the terms in the Hamiltonian operator and the time-dependent Schrödinger equation for the electron...
Exercise 1: The helium atom and spin operators 26 pts (a) Show that the expectation value...
Exercise 1: The helium atom and spin operators 26 pts (a) Show that the expectation value of the Hamiltonian in the (sa)'(2a)' excited state of helium is given by E = $42.0) (Avo ) anordes ++f63,(-) (%13-12 r) 62(e)drz + løn.(r.) per 142, (ra)]" drų dr2 - / 01.(ru) . (ra) Anemia 02.(r.)61.(r.)dr; dr2 (1) Use the approximate, antisymmetrized triplet state wave function for the (Isa)'(280)' state as discussed in class. Hint: make use of the orthonormality of the hydrogenic...
(a) Write out the exact wavefunction expression for an electron in H at the ground state and Write out the exact expression for the potential energy of an electron in H (b) Calculate the expectation value for the potential energy of the H atom with the electron in the ground state.
1. Given a state y(r) expanded on the eigenstates of the Hamiltonian for the electron, H, in a hydrogen atom: where the subscript of E is n, the principal quantum number. The other two numbers are the 1 and m values, find the expectation values of H (you may use the eigenvalue equation to evaluate for H), L-(total angular momentum operator square), Lz (the z-component of the angular momentum operator) and P (parity operator). Draw schematic pictures of 1 and...
5. Part 1. (6 pt) An electron moves around a 2D ring with ring radius 0.50 nm in the state m --20. Determine the wavelength (in nm) of the particle wave induced by this electron. (similar to a question in Exam 1) Part 2. (a) (7pt) A wavefunction is given by y, (e, 4-B sin cos(6). Can this function be an eigenfunction of Legendrían operator (A2.sunagatsineaesin暘for a quantum particle moving around a spherical surface)? If so, determine the eigenvalue and...
A free electron is described by the wave function:
Using the linear momentum operator, derive an expression for
the momentum of the electron. Is your answer consistent with de
Broglie's equation?
Write answers clearly on the sheet. Show all working and underline your final answer 1. A free electron is described by the wave function, *(x) = Ae ** Using the linear momentum operator, P = -ih d/dx, derive an expression for the momentum of the electron. Is your answer...
The function ψ2px-1(ψ2,1,1+ψ2,1-1) describes an electron in the 2px state of a hydrogen-like atom (with unspecified spin). Functions ψη..my are normalized egenfuntions of the energy operator (A), the square of angular momentum operator (12), and the z-component of angular momentum operator (Lz), that is 4. E1 a) Show that the function ψ2px is an eigen function of both the energy operator and the square of angular momentum operator. Find the corresponding eigenvalues. b) Determine the expected value and the uncertainty...
Question 21 Consider a free electron in one dimension (i.e. an electron free to move along say the x-direction on (a) The time-independent Schrödinger equation is Αψη (x)-Εηψη (x), where is the Hamiltonian (total energy) operator, and ψη (x) are the electron wave functions associated with energies En Assuming the electron's energy entirely comprises kinetic energy (as it is 'free' there is no potential energy term), write down the Schrödinger equation given that the momentum operator in one- dimension is...
qm 09.3
3. An operator  is Hermitian if it satisfies the condition $ $(y) dx = (Ap) u dx, for any wavefunctions $(x) and y(x). (i) The time dependent Schrödinger equation is ih au = fu, at where the Hamiltonian operator is Hermitian. Show that the equation of mo- tion for the expectation value of any Hermitian operator  is given by d(A) IH, Â]), dt ħi i = where the operator  does not depend explicitly on time....
gravitational constant G 8) Write down explicitly all the terms in the Hamiltonian operator and the time-dependent Schrödinger equation for the electron in a 1-electron atom (or ion) whose nucleus has Z protons in it. Assume the nucleus is rigidly attached to the spatial origin. Use Cartesian coordinates and explicitly show all dependences on each of the coordinates.
gravitational constant G 8) Write down explicitly all the terms in the Hamiltonian operator and the time-dependent Schrödinger equation for the electron...
Exercise 1: The helium atom and spin operators 26 pts (a) Show that the expectation value of the Hamiltonian in the (sa)'(2a)' excited state of helium is given by E = $42.0) (Avo ) anordes ++f63,(-) (%13-12 r) 62(e)drz + løn.(r.) per 142, (ra)]" drų dr2 - / 01.(ru) . (ra) Anemia 02.(r.)61.(r.)dr; dr2 (1) Use the approximate, antisymmetrized triplet state wave function for the (Isa)'(280)' state as discussed in class. Hint: make use of the orthonormality of the hydrogenic...
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