Translation-Invariant Excitons in a Phonon Field
Large-radius excitons in polar crystals are considered. It is shown that translation invariant description of excitons interacting with a phonon field leads to a nonzero contribution of phonons into the exciton ground state energy only in the case of weak or intermediate electron-phonon coupling. A...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-06-01
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| Series: | Condensed Matter |
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| Online Access: | https://www.mdpi.com/2410-3896/6/2/20 |