Evidence for collective linear conduction in the Peierls conductor o-TaS3
S. V. Zaitsev-Zotov, V. E. Minakova
Abstract
Using photoconduction study we demonstrate that the low-temperature Ohmic conduction of TaS3 is not provided by single-particle excitations -- electrons and holes excited over the Peierls gap. Instead, the low-temperature Ohmic conduction is mostly provided by collective excitations having the activation energy about half of the Peierls gap value and shunting the contribution of electrons and holes.
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