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Exercise 1: The helium atom and spin operators 26 pts (a) Show that the expectation value...
Part c and h please Help (a) Describe the essence of the orbital approximation. 3 pts...
Part c and h please
Help (a) Describe the essence of the orbital approximation. 3 pts (b) Suggest antisymmetrized wave functions of the Helium atom in the singlet (1s)2 ground state, and the (c) Normalize the (1s) wave function of (b), provided that individual space orbitals and spin functions are (d) Explain the energy ordering and degeneracy of the lowest three singlet and triplet states of the Helium singlet (1s) (2s) and triplet (1s)(2s) excited-state configurations in the orbital approximation....
Consider the excited state wave function for He atom given by the following Slater determinant 1...
Consider the excited state wave function for He atom given by the following Slater determinant 1 432,0(1) V3.2,-2B(1) He (1,2)= V2 V3.2,a(2) W32,-2B(2) Here Y 3,2,-and Y3,2,-2 are hydrogenic wave functions (with Z = 2, see the equation sheet). Show that He (1, 2) is an eigenfunction of Î. = Î., +Î.2. What is the eigenvalue? Î.,, ..2, and Î, are the z-components of the orbital angular momentum operators for electrons 1 and 2, and the z-component of the total...
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...
System A consists of two spin-1/2 particles, and has a four-dimensional Hilbert space. 1. Write down...
System A consists of two spin-1/2 particles, and has a four-dimensional Hilbert space. 1. Write down a basis for the Hilbert space of two spin-1/2 particles. 2. Calculate the matrix of the angular momentum operator, Sfot = (ŜA, ŠA, ŜA) for system A, in the basis of question 4A.1, and express them in this basis. 3. Calculate the square of the total angular momentum of system A , Spotl?, and express this operator in the basis of question 4A.1. 4....
Show that the Slater determinate, including spin, for the helium atom is equal to where φ(1)...
Show that the Slater determinate, including spin, for the helium atom is equal to where φ(1) and φ(2) are the special orbitals for electron 1 and 2, respectively, and α and β are the spin eigenfunctions.
2. Addition of Angular Momentum a) (8pts) Given two spin 1/2 particles, what are the four possibilities for their spin configuration? Put your answer in terms of states such as | 11). where the f...
2. Addition of Angular Momentum a) (8pts) Given two spin 1/2 particles, what are the four possibilities for their spin configuration? Put your answer in terms of states such as | 11). where the first arrow denotes the z-component of the particle's spin. Identify the m values for each state. b)(7pts) If you apply the lowering operator to a state you get Apply the two-state lowering operator S--S(,) +S(), where sti) acts on the first state and S acts on...
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...
1) (60 points) The ground state of the hydrogen atom: In three dimensions, the radial part...
1) (60 points) The ground state of the hydrogen atom: In three dimensions, the radial part of the Schrodinger equation appropriate for the ground state of the hydrogen atom is given by: ke2 -ħ2 d2 (rR) = E(rR) 2me dr2 where R(r) is a function of r. Here, since we have no angular momentum in the ground state the angular-momentum quantum number /=0. (a) Show that the function R(r) = Ae-Br satisfies the radial Schrodinger equation, and determine the values...
##### show all steps thoroughly (sorry for my bad grammar) Assume that electron in area electric field of proton and in the state wave function r + 2p2 1,0.0 1) Find expectation value of energy 2) Fi...
##### show all steps thoroughly (sorry for my bad grammar)
Assume that electron in area electric field of proton and in the state wave function r + 2p2 1,0.0 1) Find expectation value of energy 2) Find expectation value of angular momentum squared (L2) 3) Find expectation value of angular momentum in component axis -Z L) 4) How much angular momentum in component axis-Z will probability of found particle? And why?
Assume that electron in area electric field of proton...
2. The hydrogen atom [8 marks] The time-independent Schrödinger equation for the hydrogen atom in...
2. The hydrogen atom [8 marks] The time-independent Schrödinger equation for the hydrogen atom in the spherical coordinate representation is where ao-top- 0.5298 10-10rn is the Bohr radius, and μ is the electon-proton reduced mass. Here, the square of the angular momentum operator L2 in the spherical coordinate representation is given by: 2 (2.2) sin θー sin θ 00 The form of the Schrödinger equation means that all energy eigenstates separate into radial and angular motion, and we can write...
Part c and h please
Help (a) Describe the essence of the orbital approximation. 3 pts (b) Suggest antisymmetrized wave functions of the Helium atom in the singlet (1s)2 ground state, and the (c) Normalize the (1s) wave function of (b), provided that individual space orbitals and spin functions are (d) Explain the energy ordering and degeneracy of the lowest three singlet and triplet states of the Helium singlet (1s) (2s) and triplet (1s)(2s) excited-state configurations in the orbital approximation....
Consider the excited state wave function for He atom given by the following Slater determinant 1 432,0(1) V3.2,-2B(1) He (1,2)= V2 V3.2,a(2) W32,-2B(2) Here Y 3,2,-and Y3,2,-2 are hydrogenic wave functions (with Z = 2, see the equation sheet). Show that He (1, 2) is an eigenfunction of Î. = Î., +Î.2. What is the eigenvalue? Î.,, ..2, and Î, are the z-components of the orbital angular momentum operators for electrons 1 and 2, and the z-component of the total...
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...
System A consists of two spin-1/2 particles, and has a four-dimensional Hilbert space. 1. Write down a basis for the Hilbert space of two spin-1/2 particles. 2. Calculate the matrix of the angular momentum operator, Sfot = (ŜA, ŠA, ŜA) for system A, in the basis of question 4A.1, and express them in this basis. 3. Calculate the square of the total angular momentum of system A , Spotl?, and express this operator in the basis of question 4A.1. 4....
Show that the Slater determinate, including spin, for the helium atom is equal to where φ(1) and φ(2) are the special orbitals for electron 1 and 2, respectively, and α and β are the spin eigenfunctions.
2. Addition of Angular Momentum a) (8pts) Given two spin 1/2 particles, what are the four possibilities for their spin configuration? Put your answer in terms of states such as | 11). where the first arrow denotes the z-component of the particle's spin. Identify the m values for each state. b)(7pts) If you apply the lowering operator to a state you get Apply the two-state lowering operator S--S(,) +S(), where sti) acts on the first state and S acts on...
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...
1) (60 points) The ground state of the hydrogen atom: In three dimensions, the radial part of the Schrodinger equation appropriate for the ground state of the hydrogen atom is given by: ke2 -ħ2 d2 (rR) = E(rR) 2me dr2 where R(r) is a function of r. Here, since we have no angular momentum in the ground state the angular-momentum quantum number /=0. (a) Show that the function R(r) = Ae-Br satisfies the radial Schrodinger equation, and determine the values...
##### show all steps thoroughly (sorry for my bad grammar)
Assume that electron in area electric field of proton and in the state wave function r + 2p2 1,0.0 1) Find expectation value of energy 2) Find expectation value of angular momentum squared (L2) 3) Find expectation value of angular momentum in component axis -Z L) 4) How much angular momentum in component axis-Z will probability of found particle? And why?
Assume that electron in area electric field of proton...
2. The hydrogen atom [8 marks] The time-independent Schrödinger equation for the hydrogen atom in the spherical coordinate representation is where ao-top- 0.5298 10-10rn is the Bohr radius, and μ is the electon-proton reduced mass. Here, the square of the angular momentum operator L2 in the spherical coordinate representation is given by: 2 (2.2) sin θー sin θ 00 The form of the Schrödinger equation means that all energy eigenstates separate into radial and angular motion, and we can write...
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