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8th Liquid Matter Conference September 6-10, 2011 Wien, Austria ...

8th Liquid Matter Conference September 6-10, 2011 Wien, Austria ...

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P8.66Thu 811:<strong>10</strong>-14:00Bond dynamics in the supercooled 2D dusty plasmaliquidChi Yang, 1 Lin I, 1 and Yen Shuo Su 11 National Central University, No. 300, Jhongda Rd. , 32001, Jhongli City, TaiwanThe particle motion and structure rearrangement of supercooled 2D dusty plasma liquid formed bynegatively charged dust particles suspended in a low pressure rf discharge is experimentally investigatedthrough direct optical microscopy. It is found that the thermal induced stick-slip hoppingcauses the structural rearrangement. The vector (effective bond) connecting a pair of the nearestneighbor dusts is used to characterize the dynamics of the structural evolution. The role played bythe stretching, rotation and breaking of bonds at different temporal scales in the thermal inducedrupturing and healing of the medium range crystalline domains are identified and discussed.66

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