Electronics states around vortex cores in the t-J model

Hiroki Tsuchiura; Masao Ogata; Yukio Tanaka; Satoshi Kashiwaya

doi:10.1023/A:1022912700075

Electronics states around vortex cores in the t-J model

Hiroki Tsuchiura, Masao Ogata, Yukio Tanaka, Satoshi Kashiwaya

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The electronic states around vortex cores in high-T_c superconductors are studied using the two-dimensional t-J model. It is found that the region around the core where the zero-energy peak (ZEP) can be seen in the local density of states (LDOS) becomes smaller as the system approaches the optimum-doped from the overdoped region. We also show that the LDOS without the ZEP can be found in the vortex cores near the optimum doping region, where the vortex cores becomes sufficiently small.

Original language	English
Pages (from-to)	209-216
Number of pages	8
Journal	Journal of Low Temperature Physics
Volume	131
Issue number	3-4
DOIs	https://doi.org/10.1023/A:1022912700075
Publication status	Published - 2003 May 1
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

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AB - The electronic states around vortex cores in high-Tc superconductors are studied using the two-dimensional t-J model. It is found that the region around the core where the zero-energy peak (ZEP) can be seen in the local density of states (LDOS) becomes smaller as the system approaches the optimum-doped from the overdoped region. We also show that the LDOS without the ZEP can be found in the vortex cores near the optimum doping region, where the vortex cores becomes sufficiently small.

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