Use the facts that det(E3E2E1E0A) = 1 and Eo is a scale matrix (-949,: → A9,:) E₁ is a swap matrix (46,: < A10,:) ⚫ E2 is a replace matrix (-2A4, + A7,: → A7,:) E3 is a swap matrix (A8,: ↔ A3,:) to find the determinant of A.
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![Use the facts that det(E3E2E1E0A) = 1 and
Eo is a scale matrix (-949,: → A9,:)
E₁ is a swap matrix (46,: < A10,:)
⚫ E2 is a replace matrix (-2A4, + A7,: → A7,:)
E3 is a swap matrix (A8,: ↔ A3,:)
to find the determinant of A.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd94602a4-85ea-4232-9d91-c2d8bc88c699%2F72bb6bab-5dd5-40b8-87ee-58e856af395f%2Fq2hefnc_processed.png&w=3840&q=75)
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- What is y(x) (i.e., y as a function of x) given that dy dx X where you are given the boundary condition that y = yo at x = xo where yo and ro are constants.For l = 2, determine the matrix representation of the following operators a) L dan L_ b) Lx, Ly, dan LzWhat is y(x) given that d²y dx² +4e-2x = 0 where you have the boundary conditions: dy dx y = yo (a constant) at You have to integrate twice as this is a second order differential equation so you need two boundary conditions to get the complete solution. (Most people are better at differentiating then integrating so check your answer by differentiating it!) = q (a constant) at x = 0 x = 0
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- write the solution step by step and clearly.Check Your Understanding If a=3+4i , what is the product a* a?Show that when 1(x,t) and 2(x,t) are solutions to the time-dependent Schrödinger equation and A, B are numbers then a function (x,t) that is a superposition of these functions is also a solution: (x,t)=A1(x,t)+B1(x,t).
- Physics Department PHYS4101 (Quantum Mechanics) Assignment 2 (Fall 2020) Name & ID#. A three-dimensional harmonic oscillator of mass m has the potential energy 1 1 1 V(x.y.2) = ; mw*x² +mwży² +=mw;z? where w1 = 2w a. Write its general eigenvalues and eigenfunctions b. Determine the eigenvalues and their degeneracies up to the 4th excited state c. The oscillator is initially equally likely found in the ground, first and second excited states and is also equally likely found among the states of the degenerate levels. Calculate the expectation values of the product xyz at time tConsider the following kets: 2 |r,) = +|1+ i y lr2) = -3i. 2- 2i 4 (ri |r2) and a) compute the scalar products (r2 |r1) |r1) |r2) and c) make the imaginary part of each of the ket 's components and redo a) and b) b) normalizeProblem 3: Two-level system and density matrice Suppose a 2 x 2 matrix X (not necessarily Hermitian or unitary) is written as X = a000 + a.σ, where ao and ak, k = 1, 2, 3, are numbers, 0o = 1 is the identity matrix and o are the Pauli matrices. (a) How are ao and a related to tr(X) and tr(OX)? Obtain ao and ak in terms of the matrix elements Xij. Assume that ao, ak ER such that X is Hermitian and could be interpreted as a Hamiltonian, what are the eigenvalues of X?
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