# Unknown equation

1. May 12, 2009

### kasse

Does anyone recognize this equation?

$$\frac{k_BT}{2} = \alpha\frac{<x^2>}{2}$$

What does it describe?

2. May 12, 2009

### millitiz

It look like something to do with Energy. Because the LHS has the unit of energy, while the RHS, hmm, looks a bit strange...

3. May 12, 2009

### CompuChip

Doesn't it have to do with ideal gas in a box?

4. May 12, 2009

### Count Iblis

It is the average potential energy of a harmonic oscillator in the high temperature limit.