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Consider a wave-packet of the form y(x) = e-x+7(204) describing the quantum wave function of an...
2 The wave function describing a state of an electron confined to move along the X-axis...
2 The wave function describing a state of an electron confined to move along the X-axis is given at time zero by Y(x,0) = Ae/ Determine, in terms of A and dx, the approximate probability of finding the electron in an infinitesimal region dx centered at a) x 0 b) x a, and c) x 2a dy In which region is the electron most likely to be found? (25 pts)
2 The wave function describing a state of an electron...
Consider a particle of mass m that is described by the wave function (x, t) =...
Consider a particle of mass m that is described by the wave function (x, t) = Ce~iwte-(x/l)2 where C and l are real and positive constants, with / being the characteristic length-scale in the problem Calculate the expectation values of position values of 2 and p2. and momentum p, as well as the expectation Find the standard deviations O and op. Are they consistent with the uncertainty principle? to be independent What should be the form of the potential energy...
1. The wave function describing a state of an electron confined to move along 2 the x axis is giv...
1. The wave function describing a state of an electron confined to move along 2 the x axis is given at time zero by W(x, 0)- Ae o2. Find the probability of finding the electron in a region dx centered at x-: σ. You need to first determine A and consider ơ as a known number.
1. The wave function describing a state of an electron confined to move along 2 the x axis is given at time zero by...
0 is given by a gaussian wave packet Consider a free particle whose state at time...
0 is given by a gaussian wave packet Consider a free particle whose state at time t (x, 0) Ae2/a2 for real constants A, a. (a) Normalize (r, 0), i.e., find A (b) Find (r, t). You can do the integral by completing the square in the exponent to get it into the form of a gaussian (c) Compute the probability density (, t), expressing your answer in terms of the quantity w av1(2ht/ma2)2 Sketch the probability density as a...
7. Given the wave function of the 2s orbital of the hydrogen as 7 27703 200...
7. Given the wave function of the 2s orbital of the hydrogen as 7 27703 200 2200 - ) exp(- ) do (1) Calculate the node position (10 pts); (2) Calculate the most probable position of the electron in the orbital (10 pts); (3) Write (do not solve) the average momentum of an electron in the 2s orbital (5! pts); (4) Write (do not solve) the equation to determine the boundary value of the probability 90% (5 pts). - f...
1) Wave function for the ground state of an harmonic oscillator is given by. (x) =...
1) Wave function for the ground state of an harmonic oscillator is given by. (x) = A1/2 (a/T)1/4 e-ax /2 Evaluate the expectation value <x<> for this wave state (ove (Hint: Joo.co u² e-a u du = 2;. ue-au du = (1/2a) (Tc/a)2) pace)
Problem 1. Wave function An electron is described by a wave function: for x < 0...
Problem 1. Wave function An electron is described by a wave function: for x < 0 *(z) = { ce Ce-s/1(1 – e-3/4) for x > 0 : where I is a constant length, and C is the normalization constant. 1. Find C. 2. Where an electron is most likely to be found; that is, for what value of x is the prob: bility for finding electron largest? 3. What is the average coordinate 7 of the electron? 4. What...
part (e),(f) and (g) 3. Wave functions (40 marks) Consider particle described by wave function (x)...
part (e),(f) and (g)
3. Wave functions (40 marks) Consider particle described by wave function (x) = Ce-x/a for x > 0, and otherwise (C is a real and non-negative). (a) Normalise (x) and plot it (you can use a computer to plotit). (b) Calculate the probability that the particle is located within distance a from the origin. (e) Find mean value of position measurement. (d) Find mean value of momentum measurement. Hint: use the fact that (x) is purely...
Consider the harmonic oscillator wave function 1/4 where α = (-)"*. Here k, is the stiffness...
Consider the harmonic oscillator wave function 1/4 where α = (-)"*. Here k, is the stiffness coefficient of the oscillator and m is mass. Recall that the oscillation frequency iso,s:,k, / m In class we showed that Ψ0(x) Is an eigenfunction of the Hamiltonian, with an eigenvalue Eo (1/2)ha a) Normalize the wave function in Eq.(1) b) Graph the probability density. Note that a has units of length and measures the "width" of the wave function. It's easier to use...
1) (35 points) The wave function for a particle moving along x axis between the limits 0 and L is: (x)-C sin (nx xL) where n are 1, 2, 3, A) Determine the normalization constant C B) Why can'...
1) (35 points) The wave function for a particle moving along x axis between the limits 0 and L is: (x)-C sin (nx xL) where n are 1, 2, 3, A) Determine the normalization constant C B) Why can't n take the value of 0, briefly explain C) For n-3 determine the values of x (in terms of L) that correspond to a maximum or a minimum in the wave function D) For n-3 determine the values of x (in...
2 The wave function describing a state of an electron confined to move along the X-axis is given at time zero by Y(x,0) = Ae/ Determine, in terms of A and dx, the approximate probability of finding the electron in an infinitesimal region dx centered at a) x 0 b) x a, and c) x 2a dy In which region is the electron most likely to be found? (25 pts)
2 The wave function describing a state of an electron...
Consider a particle of mass m that is described by the wave function (x, t) = Ce~iwte-(x/l)2 where C and l are real and positive constants, with / being the characteristic length-scale in the problem Calculate the expectation values of position values of 2 and p2. and momentum p, as well as the expectation Find the standard deviations O and op. Are they consistent with the uncertainty principle? to be independent What should be the form of the potential energy...
1. The wave function describing a state of an electron confined to move along 2 the x axis is given at time zero by W(x, 0)- Ae o2. Find the probability of finding the electron in a region dx centered at x-: σ. You need to first determine A and consider ơ as a known number.
1. The wave function describing a state of an electron confined to move along 2 the x axis is given at time zero by...
0 is given by a gaussian wave packet Consider a free particle whose state at time t (x, 0) Ae2/a2 for real constants A, a. (a) Normalize (r, 0), i.e., find A (b) Find (r, t). You can do the integral by completing the square in the exponent to get it into the form of a gaussian (c) Compute the probability density (, t), expressing your answer in terms of the quantity w av1(2ht/ma2)2 Sketch the probability density as a...
7. Given the wave function of the 2s orbital of the hydrogen as 7 27703 200 2200 - ) exp(- ) do (1) Calculate the node position (10 pts); (2) Calculate the most probable position of the electron in the orbital (10 pts); (3) Write (do not solve) the average momentum of an electron in the 2s orbital (5! pts); (4) Write (do not solve) the equation to determine the boundary value of the probability 90% (5 pts). - f...
1) Wave function for the ground state of an harmonic oscillator is given by. (x) = A1/2 (a/T)1/4 e-ax /2 Evaluate the expectation value <x<> for this wave state (ove (Hint: Joo.co u² e-a u du = 2;. ue-au du = (1/2a) (Tc/a)2) pace)
Problem 1. Wave function An electron is described by a wave function: for x < 0 *(z) = { ce Ce-s/1(1 – e-3/4) for x > 0 : where I is a constant length, and C is the normalization constant. 1. Find C. 2. Where an electron is most likely to be found; that is, for what value of x is the prob: bility for finding electron largest? 3. What is the average coordinate 7 of the electron? 4. What...
part (e),(f) and (g)
3. Wave functions (40 marks) Consider particle described by wave function (x) = Ce-x/a for x > 0, and otherwise (C is a real and non-negative). (a) Normalise (x) and plot it (you can use a computer to plotit). (b) Calculate the probability that the particle is located within distance a from the origin. (e) Find mean value of position measurement. (d) Find mean value of momentum measurement. Hint: use the fact that (x) is purely...
Consider the harmonic oscillator wave function 1/4 where α = (-)"*. Here k, is the stiffness coefficient of the oscillator and m is mass. Recall that the oscillation frequency iso,s:,k, / m In class we showed that Ψ0(x) Is an eigenfunction of the Hamiltonian, with an eigenvalue Eo (1/2)ha a) Normalize the wave function in Eq.(1) b) Graph the probability density. Note that a has units of length and measures the "width" of the wave function. It's easier to use...
1) (35 points) The wave function for a particle moving along x axis between the limits 0 and L is: (x)-C sin (nx xL) where n are 1, 2, 3, A) Determine the normalization constant C B) Why can't n take the value of 0, briefly explain C) For n-3 determine the values of x (in terms of L) that correspond to a maximum or a minimum in the wave function D) For n-3 determine the values of x (in...
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