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Quenching of phase coherence in quasi-one-dimensional ring crystals

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Title: Quenching of phase coherence in quasi-one-dimensional ring crystals
Authors: Shimatake, K. Browse this author
Toda, Y. Browse this author →KAKEN DB
Tanda, S. Browse this author
Issue Date: Apr-2006
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 73
Issue: 15
Start Page: 153403-1
End Page: 153403-4
Publisher DOI: 10.1103/PhysRevB.73.153403
Abstract: A comparison of the single-particle (SP) dynamics of whisker and ring NbSe3 crystals provides new insight into the phase transition properties of quasi-one-dimensional charge density wave (CDW) systems. In the incommensurate CDW phase, SP relaxation triggered by an ultrafast laser pulse reflects the formation of collective states, and reveals the divergence of the relaxation time when approaching a transition temperature. The degree of divergence is less pronounced in rings than in whiskers, suggesting a loss of phase coherence in ring crystals characterized by a closed-loop topology.
Rights: Copyright © 2006 American Physical Society
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 島竹 克大

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