In quantum mechanics, k space is a mathematical space in which the wave function of a particle is represented. It is also known as momentum space, because it is related to the momentum of a particle. The position of a particle in k space is known as its wave vector.

## Other related questions:

### Q: What is a k-space?

A: K-space is a mathematical space in which the wave function of a system is represented. It is the space of all possible wavevectors of the system.

### Q: What does K mean in k-space?

A: K-space is a mathematical representation of the momentum space of a particle in a three-dimensional space. In physics, k-space is often used to describe the wave-like nature of particles, such as electrons.

### Q: What is k-space in lattice?

A: K-space is the space in which the wave vector k of a crystal lattice resides. It is a 3-dimensional space, with the dimensions corresponding to the reciprocal lattice vectors.

### Q: How is k-space filled MRI?

A: K-space is an abstract mathematical space in which an image is represented. In MRI, k-space is filled in a specific pattern depending on the type of scan being performed. For example, a standard brain scan will fill k-space in a spiral pattern.

## Bibliography

- K-space – Wikipedia
- Position and momentum spaces – Wikipedia
- What is K Space in physics? – Quora
- k-space – Questions and Answers in MRI
- 1.8: Frequency domain and k-space descriptions of waves
- Why this is the density of points in $k$-space?
- How to understand the reciprocal space (k-space). How will it …