Problem with normalisation, or should i say integration

In summary, the conversation discusses the problem of normalizing the wave packet \psi(x)\equiv ψ(x, t = 0) = Ce^{i\omega x}e^{-\left|x\right|/2\Delta x} where C is a normalisation constant. The homework statement asks to normalize \psi(x) to unity and the homework equations involve the normalisation condition. The attempt at a solution involves integrating \left|C\right|^{2}\int e^{-\left|x\right|/\Delta x} dx = 1, but the person is unsure how to integrate this expression. Another person suggests a solution from a professor and provides a link for further help.
  • #1
spaghetti3451
1,344
33

Homework Statement



Consider the wave packet [itex]\psi(x)\equiv ψ(x, t = 0) = Ce^{i\omega x}e^{-\left|x\right|/2\Delta x}[/itex] where C is a normalisation constant.

Normalise [itex]\psi(x)[/itex] to unity.

Homework Equations



The Attempt at a Solution



I know the normalisation condition. My problem is when I have ...

[itex]\left|C\right|^{2}\int e^{-\left|x\right|/\Delta x} dx = 1[/itex]

Any help will be MUCH appreciated.
 
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  • #2
failexam said:

Homework Statement



Consider the wave packet [itex]\psi(x)\equiv ψ(x, t = 0) = Ce^{i\omega x}e^{-\left|x\right|/2\Delta x}[/itex] where C is a normalisation constant.

Normalise [itex]\psi(x)[/itex] to unity.

Homework Equations



The Attempt at a Solution



I know the normalisation condition. My problem is when I have ...

[itex]\left|C\right|^{2}\int e^{-\left|x\right|/\Delta x} dx = 1[/itex]

Any help will be MUCH appreciated.


Say delta x=x-x0
 
  • #3
Good thinking! But this makes the problem even harder . lolzz. because I have literally NO idea how to integrate such an expression!
 
  • #4
failexam said:
Good thinking! But this makes the problem even harder . lolzz. because I have literally NO idea how to integrate such an expression!

Thank U! I just got lost like U did, but my professor gave this idea.
 

1. What is the difference between normalisation and integration?

Normalization refers to the process of organizing data in a database to minimize redundancy and dependency. Integration, on the other hand, involves combining data from multiple sources into a cohesive system.

2. Why is normalization important in database design?

Normalization helps to eliminate data redundancy and dependency, resulting in a more efficient and organized database. It also ensures data integrity by reducing the chances of data inconsistencies.

3. What are the different levels of normalization?

There are five levels of normalization, namely: First Normal Form (1NF), Second Normal Form (2NF), Third Normal Form (3NF), Boyce-Codd Normal Form (BCNF), and Fourth Normal Form (4NF).

4. Can normalization affect database performance?

Yes, normalization can have both positive and negative effects on database performance. While it can improve data retrieval and reduce data redundancy, it can also make querying more complex and slower.

5. When should denormalization be considered?

Denormalization should be considered when there is a need for faster data retrieval or when dealing with a large amount of data. It involves intentionally introducing redundancy to improve performance at the cost of data integrity and consistency.

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