e-ikx and f (x) I give you a function called Q(£,p) and tell you the rules are: î = x, and p = -iħ-. Simply plug in the function Q and Let us play a game. I give you two functions. Let g(x) = e-ax? follow the standard rules of calculus! Work out the following operations on the specified functions. a) £?g(x) b) p²f(x) c) pg(x) d) pf (x) e) &ôg(x) f) pâg(x) h) &pƒ(x) i) p&ƒ (x) k) Is it true that the operation of âp on a function is always equal to pâ? Justify your answer.

icon
Related questions
Question
**Quantum Mechanics Exercise: Operators on Functions**

Let's explore an interesting exercise in quantum mechanics using operators. You have two functions defined as follows: 

- \( g(x) = e^{-ikx} \)
- \( f(x) = e^{-ax^2} \)

There's a function called \( Q(\hat{x}, \hat{p}) \) with some specific rules:

- \( \hat{x} = x \)
- \( \hat{p} = -i\hbar \frac{\partial}{\partial x} \)

Your task is to apply the function \( Q \) by following the standard rules of calculus. Compute the following operations on the specified functions:

a) \( \hat{x}^2 g(x) \)

b) \( \hat{p}^2 f(x) \)

c) \( \hat{p} g(x) \)

d) \( \hat{p} f(x) \)

e) \( \hat{x} \hat{p} g(x) \)

f) \( \hat{p} \hat{x} g(x) \)

h) \( \hat{x} \hat{p} f(x) \)

i) \( \hat{p} \hat{x} f(x) \)

k) Analyze whether the operation of \( \hat{x} \hat{p} \) on a function is always equal to \( \hat{p} \hat{x} \). Provide a justification for your answer.

**Note:** When performing these operations, remember to apply the rules of differentiation and multiplication as dictated by quantum mechanics operators typically pertain to position and momentum in physical systems.
Transcribed Image Text:**Quantum Mechanics Exercise: Operators on Functions** Let's explore an interesting exercise in quantum mechanics using operators. You have two functions defined as follows: - \( g(x) = e^{-ikx} \) - \( f(x) = e^{-ax^2} \) There's a function called \( Q(\hat{x}, \hat{p}) \) with some specific rules: - \( \hat{x} = x \) - \( \hat{p} = -i\hbar \frac{\partial}{\partial x} \) Your task is to apply the function \( Q \) by following the standard rules of calculus. Compute the following operations on the specified functions: a) \( \hat{x}^2 g(x) \) b) \( \hat{p}^2 f(x) \) c) \( \hat{p} g(x) \) d) \( \hat{p} f(x) \) e) \( \hat{x} \hat{p} g(x) \) f) \( \hat{p} \hat{x} g(x) \) h) \( \hat{x} \hat{p} f(x) \) i) \( \hat{p} \hat{x} f(x) \) k) Analyze whether the operation of \( \hat{x} \hat{p} \) on a function is always equal to \( \hat{p} \hat{x} \). Provide a justification for your answer. **Note:** When performing these operations, remember to apply the rules of differentiation and multiplication as dictated by quantum mechanics operators typically pertain to position and momentum in physical systems.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer