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On the Possibility of Bose-Einstein Condensation and the Superfluidity of Spin Waves

✍ Scribed by J. P. Šetrajčić; M. J. Škrinjar; D. Mirjanić

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
157 KB
Volume
124
Category
Article
ISSN
0370-1972

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✍ J. P. Šetrajčić; D. V. Kapor; D. Mirjanić 📂 Article 📅 1984 🏛 John Wiley and Sons 🌐 English ⚖ 270 KB

## Abstract The characteristic time of exciton relaxation due to phonons is estimated, and as it turns to be smaller than the exciton lifetime, it is concluded that Bose‐Einstein condensation is possible in the system of Frenkel excitons. It is further shown that kinematical interaction obtained in