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Phonon softening and double-well potential formation due to electron–phonon interaction in heavy-fermion systems

✍ Scribed by Keisuke Mitsumoto; Yoshiaki Ōno


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
174 KB
Volume
426-431
Category
Article
ISSN
0921-4534

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Formation of excitons from free electron
✍ I.-K. Oh; Jai Singh 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 168 KB

A study of the process of exciton formation due to acoustic phonon interaction in quantum wells (QWs) is presented. Considering that excitons are formed from photoexcited free electron-hole pairs, we have derived the rate of such formation as a function of density and temperature of charge carriers