# Peak effect and dynamic melting of vortex matter in NbSe$\_2$ crystals

Source: [Peak effect and dynamic melting of vortex matter in NbSe$\_2$ crystals](<https://www.sota2.com/research/paper/68fa20087a2b558e2932e2a3>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-23T20:36:06.504Z

Authors: N. Kokubo, K. Kadowaki, K. Takita

Published: 2005-09-13T03:20:41.000Z

## Abstract

We present a mode locking (ML) phenomenon of vortex matter observed around the peak effect regime of 2H-NbSe$\_2$ pure single crystals. The ML features allow us not only to trace how the shear rigidity of driven vortices persists on approaching the second critical field, but also to demonstrate a dynamic melting transition of driven vortices at a given velocity. We observe the velocity dependent melting signatures in the peak effect regime, which reveal a crossover between the disorder-induced transition at small velocity and the thermally induced transition at large velocity. This uncovers the relationship between the peak effect and the thermal melting.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/cond-mat/0509314>)

[PDF](<https://arxiv.org/pdf/cond-mat/0509314.pdf>)