Abstract
We show that the many-body interactions among excitons govern the temporal line shape of the coherent (free induction decay) emission from semiconductor quantum walls. At low exciton densities, they become the dominant contribution to the emission.
| Original language | American English |
|---|---|
| Pages (from-to) | 2685-2688 |
| Journal | Physical Review Letters |
| Volume | 69 |
| Issue number | 18 |
| State | Published - 1992 |
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