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xxiii πανελληνιο συνεδριο φυσικης στερεας καταστασης & επιστημης ...

xxiii πανελληνιο συνεδριο φυσικης στερεας καταστασης & επιστημης ...

xxiii πανελληνιο συνεδριο φυσικης στερεας καταστασης & επιστημης ...

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leading to an exponential decrease of P with the<br />

inverse of electron temperature.<br />

The contribution of the breathing phonons becomes<br />

important at higher temperatures. The electron power<br />

loss due to emission of breathing phonons is<br />

proportional to exp(-ћω b /k B<br />

TB<br />

e) where ω b is the phonon<br />

frequency for the breathing mode. ω b is constant for<br />

qR

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