Observation of hexatic liquid vortex matter in YBa2Cu3O7

Thumbnail Image

Date

Authors

Journal Title

Journal ISSN

Volume Title

Publisher

Abstract

Description

An atomic beam probe is used to study the structure and dynamics of quantized supercurrent vortex lines in YBa_{2}Cu_{3}O_{7-?} at temperatures up to within 0.7 K below T_{C}. Here we report the direct observation of a vortex configuration with sample wide bond-orientational order but only short range translational correlation. The data imply the existence of an intermediate `hexatic' vortex line liquid phase. We find that the hexatic liquid is in thermal equilibrium over a narrow temperature range below T_{C} and is quenched into an immobile hexatic glass at low temperatures.
Submitted to PRL, 3 figures

Keywords

Superconductivity, Soft Condensed Matter

Citation

URI

http://salesiana.dossiersoluciones.com/handle/123456789/20024

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0209632
 http://arxiv.org/abs/cond-mat/0209632

Collections

arXiv