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Probing Bose-Einstein Condensation of Excitons with Electromagnetic Radiation | | K. Johnsen
; G. M. Kavoulakis
; | | Date: |
7 Jun 2000 | | Journal: | Phys. Rev. Lett., 86 (2001) 858 | | Subject: | cond-mat | | Affiliation: | NORDITA, Denmark | | Abstract: | We examine the absorption spectrum of electromagnetic radiation from excitons, where an exciton in the $1s$ state absorbs a photon and makes a transition to the $2p$ state. We demonstrate that the absorption spectrum depends strongly on the quantum degeneracy of the exciton gas, and that it will generally manifest many-body effects. Based on our results we propose that absorption of infrared radiation could resolve recent contradictory experimental results on excitons in Cu$_2$O. | | Source: | arXiv, cond-mat/0006099 | | Other sources: | [GID 585613] cond-mat/0006099 pmid11177958 | | Services: | Forum | Review | PDF | Favorites | |
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