Show that the wavefunction Ѱ = C sin (kx) is a solution of the following Schrödinger’s equation where V0 is a constant. What is the energy corresponding to this wavefunction? (14 marks)
Calculate the probability density given by the wavefunctions for
the groud state, first and second excited states. (6
marks)
Homework Answers
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Show that the wavefunction Ѱ = C sin (kx) is a solution of the
following Schrödinger’s...
1. Determine the solution to the following differential equation (implicit if necessary): 2. Determine the general...
1. Determine the solution to the following differential equation (implicit if necessary): 2. Determine the general solution, y(x), to the following differential equations [use synthetic division to solve a), b), and d)]. Show all your work dx3dx2 dx b)@y-4ーー3을y+18y = 0 d2 dx2 dx3 dx dx2 dx + 2-10 dy, dy _ y = 0 dx dx x f) χ +dy=kx where k is a constant dx2 dx
Particle in a box Figure 1 is an illustration of the concept of a particle in...
Particle in a box Figure 1 is an illustration of the concept of a particle in a box. V=00 V=00 V=0 Figure 1. A representation of a particle in a box, where the potential energy, V, is zero between x = 0 and x = L and rises abruptly to infinity at the walls. The Schrödinger equation for a particle in a box reads t² d²u Y +V(x)y = Ey 2m dx2 + (1) where ħ=h/21 , y represents the...
1 From Wavefunction to Bra-Ket In bra-ket notation, a state y(x) is written as a ket:...
1 From Wavefunction to Bra-Ket In bra-ket notation, a state y(x) is written as a ket: 14) + (2). The inner product between two states 41(2), 42(2) is written as a bra-ket: (441\42) = |dx (z)* #2(a). If a state is a complex linear combination |V) = a1 (41) + a2 (42), then its corresponding bra is (V= a1 (01| +a(42 In this problem, we will use the simple harmonic oscillator as a concrete example. The energy eigenstates of the...
please show work, thank you. Question #4: (25 points total) In this problem, you are going...
please show work, thank you.
Question #4: (25 points total) In this problem, you are going to walk you through a brief history of quantum mechanics apply the principles of quantum mechanics to a physical system (free electron) 1900 Planck's quantization of light: light with frequency v is emitted in multiples of E hv where h 6.63x10-341.s (Planck's constant), and h =hw h 1905 Einstein postulated that the quantization of light corresponded to particles, now called photons. This was the...
1. The wavefunction corresponding to Im> energy and angular momentum eigenstate of a particle rotating in...
1. The wavefunction corresponding to Im> energy and angular momentum eigenstate of a particle rotating in a ring for m-l and m--1 are, respectively N2T where ? is the angular position of the particle relative to thex axis (see slide 15 of lecture 74a). (a) show that the probability density does not depend on 0. (b) Show that P,(o)-sin() where p, (0) rticle in the quantum state V, (d) p, (0) obviously resembles one of the orbitals of the is...
(a) Show that (@) = sin e- is an eigenfunction of both Î, and Î", where...
(a) Show that (@) = sin e- is an eigenfunction of both Î, and Î", where = -1 1 a 1 22 sin + sin 020 sin0 and derive the corresponding eigenvalues. You may use the identity 1 a 1 sin sin 2 sin sin 0 80 sino 31 (sin 00 (5 marks) (6) Consider the function $(,0,4)= A - 1/200 sin 6e-ip, 20 where A is a constant and an is the Bohr radius. This is a hydrogen atom...
Consider the following wave function: y(x, t) = cos(kx - omega t). a. Show that the...
Consider the following wave function: y(x, t) = cos(kx - omega t). a. Show that the above function is an eigenfunction of the operator partialdifferential^2/partialdifferential x^2[...] and determine its eigenvalue. b. Show that the above function is a solution of the wave equation expressed as partialdifferential^2 y(x, t)/partialdifferential x^2 = 1/v^2 partialdifferential^2 y(x, t)/partialdifferential t^2, given the wave velocity is v = omega/k (where omega = 2 pi V and k = 2pi/lambda).
9. The wavefunction, p(x,t), of a particle moving along the x-axis, whose potential energy V(x) i...
Question #9 all parts thanks
9. The wavefunction, p(x,t), of a particle moving along the x-axis, whose potential energy V(x) is independent of time, is described by the one-dimensional non-relativistic Schrödinger equation (where m is its mass, h is the reduced Planck constant, i is the imaginary number): 2m (a) Verify that it is a parabolic equation (page E-1-2). [It has wave-like solutions, however.] (b) Use the substitution Px,t)-Xx)Tt) to separate the equation into two ODEs. (c) Solve for T,...
Let R = A sin q, where A is a fixed constant and q is uniformly...
Let R = A sin q, where A is a fixed constant and q is uniformly distributed on (pi/2, pi/2). Such a random variable R arises in the theory of ballistics. If a projectile is fired from the origin at an angle a from the earth with speed n, then the point R at which it returns to the earth can be expressed as R = (v^2/g) sin 2a, where g is the gravitational constant, equal to 980 centimeters per...
2.2 Two-level system A particle in the box is described by the following wavefunction 1 1...
2.2 Two-level system A particle in the box is described by the following wavefunction 1 1 V(x, t) + V2 V2 = Um(x)e -i(Em/h) In other words, this state is a superposition of two modes: n-th, and m-th. A superposition that involves only two modes (not necessarily particle in the box modes, but any two modes) is called a "two-level system”. A more modern name for such a superposition is a "qubit”. a) Come up with an expression for the...
1. Determine the solution to the following differential equation (implicit if necessary): 2. Determine the general solution, y(x), to the following differential equations [use synthetic division to solve a), b), and d)]. Show all your work dx3dx2 dx b)@y-4ーー3을y+18y = 0 d2 dx2 dx3 dx dx2 dx + 2-10 dy, dy _ y = 0 dx dx x f) χ +dy=kx where k is a constant dx2 dx
Particle in a box Figure 1 is an illustration of the concept of a particle in a box. V=00 V=00 V=0 Figure 1. A representation of a particle in a box, where the potential energy, V, is zero between x = 0 and x = L and rises abruptly to infinity at the walls. The Schrödinger equation for a particle in a box reads t² d²u Y +V(x)y = Ey 2m dx2 + (1) where ħ=h/21 , y represents the...
1 From Wavefunction to Bra-Ket In bra-ket notation, a state y(x) is written as a ket: 14) + (2). The inner product between two states 41(2), 42(2) is written as a bra-ket: (441\42) = |dx (z)* #2(a). If a state is a complex linear combination |V) = a1 (41) + a2 (42), then its corresponding bra is (V= a1 (01| +a(42 In this problem, we will use the simple harmonic oscillator as a concrete example. The energy eigenstates of the...
please show work, thank you.
Question #4: (25 points total) In this problem, you are going to walk you through a brief history of quantum mechanics apply the principles of quantum mechanics to a physical system (free electron) 1900 Planck's quantization of light: light with frequency v is emitted in multiples of E hv where h 6.63x10-341.s (Planck's constant), and h =hw h 1905 Einstein postulated that the quantization of light corresponded to particles, now called photons. This was the...
1. The wavefunction corresponding to Im> energy and angular momentum eigenstate of a particle rotating in a ring for m-l and m--1 are, respectively N2T where ? is the angular position of the particle relative to thex axis (see slide 15 of lecture 74a). (a) show that the probability density does not depend on 0. (b) Show that P,(o)-sin() where p, (0) rticle in the quantum state V, (d) p, (0) obviously resembles one of the orbitals of the is...
(a) Show that (@) = sin e- is an eigenfunction of both Î, and Î", where = -1 1 a 1 22 sin + sin 020 sin0 and derive the corresponding eigenvalues. You may use the identity 1 a 1 sin sin 2 sin sin 0 80 sino 31 (sin 00 (5 marks) (6) Consider the function $(,0,4)= A - 1/200 sin 6e-ip, 20 where A is a constant and an is the Bohr radius. This is a hydrogen atom...
Consider the following wave function: y(x, t) = cos(kx - omega t). a. Show that the above function is an eigenfunction of the operator partialdifferential^2/partialdifferential x^2[...] and determine its eigenvalue. b. Show that the above function is a solution of the wave equation expressed as partialdifferential^2 y(x, t)/partialdifferential x^2 = 1/v^2 partialdifferential^2 y(x, t)/partialdifferential t^2, given the wave velocity is v = omega/k (where omega = 2 pi V and k = 2pi/lambda).
Question #9 all parts thanks
9. The wavefunction, p(x,t), of a particle moving along the x-axis, whose potential energy V(x) is independent of time, is described by the one-dimensional non-relativistic Schrödinger equation (where m is its mass, h is the reduced Planck constant, i is the imaginary number): 2m (a) Verify that it is a parabolic equation (page E-1-2). [It has wave-like solutions, however.] (b) Use the substitution Px,t)-Xx)Tt) to separate the equation into two ODEs. (c) Solve for T,...
2.2 Two-level system A particle in the box is described by the following wavefunction 1 1 V(x, t) + V2 V2 = Um(x)e -i(Em/h) In other words, this state is a superposition of two modes: n-th, and m-th. A superposition that involves only two modes (not necessarily particle in the box modes, but any two modes) is called a "two-level system”. A more modern name for such a superposition is a "qubit”. a) Come up with an expression for the...
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