Enhanced many-body effects in one-dimensional linear atomic chains

Ruixiang Fei; Guangfu Luo; Yangyang Wang; Zhengxiang Gao; Shigeru Nagase; Dapeng Yu; Jing Lu

doi:10.1002/pssb.201248087

Enhanced many-body effects in one-dimensional linear atomic chains

Ruixiang Fei, Guangfu Luo, Yangyang Wang, Zhengxiang Gao, Shigeru Nagase, Dapeng Yu, Jing Lu^*

^*Corresponding author for this work

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

7 Citations (Scopus)

Abstract

We present the quasiparticle energy and optical absorption spectrum results of 1D linear H, BN, C, and Au chains, which are the lower size limit of a periodic material, by using ab initio many-body approaches. Unprecedentedly large quasiparticle corrections and excitonic effects are revealed in these extreme systems compared with quasi-1D, 2D, and 3D periodic systems. The binding energy of the bound exciton is up to 3.55eV in the semiconducting BN chain and 0.5eV in the metallic C chain, the latter of which is the largest in a metallic system.

Original language	English
Pages (from-to)	1636-1643
Number of pages	8
Journal	Physica Status Solidi (B): Basic Research
Volume	250
Issue number	8
DOIs	https://doi.org/10.1002/pssb.201248087
Publication status	Published - Aug 2013
Externally published	Yes

Keywords

Excitons
Linear atomic chains
Many-body effects
Optical absorption
Quasiparticles

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10.1002/pssb.201248087

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abstract = "We present the quasiparticle energy and optical absorption spectrum results of 1D linear H, BN, C, and Au chains, which are the lower size limit of a periodic material, by using ab initio many-body approaches. Unprecedentedly large quasiparticle corrections and excitonic effects are revealed in these extreme systems compared with quasi-1D, 2D, and 3D periodic systems. The binding energy of the bound exciton is up to 3.55eV in the semiconducting BN chain and 0.5eV in the metallic C chain, the latter of which is the largest in a metallic system.",

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AU - Fei, Ruixiang

AU - Luo, Guangfu

AU - Wang, Yangyang

AU - Gao, Zhengxiang

AU - Nagase, Shigeru

AU - Yu, Dapeng

AU - Lu, Jing

PY - 2013/8

Y1 - 2013/8

N2 - We present the quasiparticle energy and optical absorption spectrum results of 1D linear H, BN, C, and Au chains, which are the lower size limit of a periodic material, by using ab initio many-body approaches. Unprecedentedly large quasiparticle corrections and excitonic effects are revealed in these extreme systems compared with quasi-1D, 2D, and 3D periodic systems. The binding energy of the bound exciton is up to 3.55eV in the semiconducting BN chain and 0.5eV in the metallic C chain, the latter of which is the largest in a metallic system.

AB - We present the quasiparticle energy and optical absorption spectrum results of 1D linear H, BN, C, and Au chains, which are the lower size limit of a periodic material, by using ab initio many-body approaches. Unprecedentedly large quasiparticle corrections and excitonic effects are revealed in these extreme systems compared with quasi-1D, 2D, and 3D periodic systems. The binding energy of the bound exciton is up to 3.55eV in the semiconducting BN chain and 0.5eV in the metallic C chain, the latter of which is the largest in a metallic system.

KW - Excitons

KW - Linear atomic chains

KW - Many-body effects

KW - Optical absorption

KW - Quasiparticles

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DO - 10.1002/pssb.201248087

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JO - Physica Status Solidi (B): Basic Research

JF - Physica Status Solidi (B): Basic Research

IS - 8

ER -

Enhanced many-body effects in one-dimensional linear atomic chains

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Keywords

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