First-principles simulations for excitation of currents in linear carbon chains under femtosecond laser pulse irradiation

Gaoshi Su; Lan Jiang; Feng Wang; Liangti Qu; Yongfeng Lu

doi:10.1016/j.physleta.2016.05.022

First-principles simulations for excitation of currents in linear carbon chains under femtosecond laser pulse irradiation

Gaoshi Su, Lan Jiang^*, Feng Wang, Liangti Qu, Yongfeng Lu

^*Corresponding author for this work

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

3 Citations (Scopus)

Abstract

We discuss the response of linear carbon chains to a femtosecond laser pulse. The influence of the chain structure on the excited currents was taken into account. The simulation results showed that excited currents were reversible when laser intensity was relatively weak. An unexpected decrease of current amplitude was found for a laser pulse with a wavelength of 200 nm, which may indicate the transient break of pi bonds in linear carbon chains. For chains with more than 10 atoms, the excited current oscillated with increasing amplitude during simulation time, which was due to the formation of plasma-like resonance.

Original language	English
Pages (from-to)	2453-2457
Number of pages	5
Journal	Physics Letters, Section A: General, Atomic and Solid State Physics
Volume	380
Issue number	31-32
DOIs	https://doi.org/10.1016/j.physleta.2016.05.022
Publication status	Published - 2016

Keywords

Excited current
Femtosecond laser
Linear carbon chain
Time-dependent density functional theory

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10.1016/j.physleta.2016.05.022

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title = "First-principles simulations for excitation of currents in linear carbon chains under femtosecond laser pulse irradiation",

abstract = "We discuss the response of linear carbon chains to a femtosecond laser pulse. The influence of the chain structure on the excited currents was taken into account. The simulation results showed that excited currents were reversible when laser intensity was relatively weak. An unexpected decrease of current amplitude was found for a laser pulse with a wavelength of 200 nm, which may indicate the transient break of pi bonds in linear carbon chains. For chains with more than 10 atoms, the excited current oscillated with increasing amplitude during simulation time, which was due to the formation of plasma-like resonance.",

keywords = "Excited current, Femtosecond laser, Linear carbon chain, Time-dependent density functional theory",

author = "Gaoshi Su and Lan Jiang and Feng Wang and Liangti Qu and Yongfeng Lu",

year = "2016",

doi = "10.1016/j.physleta.2016.05.022",

language = "English",

volume = "380",

pages = "2453--2457",

journal = "Physics Letters, Section A: General, Atomic and Solid State Physics",

issn = "0375-9601",

publisher = "Elsevier B.V.",

number = "31-32",

}

TY - JOUR

T1 - First-principles simulations for excitation of currents in linear carbon chains under femtosecond laser pulse irradiation

AU - Su, Gaoshi

AU - Jiang, Lan

AU - Wang, Feng

AU - Qu, Liangti

AU - Lu, Yongfeng

PY - 2016

Y1 - 2016

N2 - We discuss the response of linear carbon chains to a femtosecond laser pulse. The influence of the chain structure on the excited currents was taken into account. The simulation results showed that excited currents were reversible when laser intensity was relatively weak. An unexpected decrease of current amplitude was found for a laser pulse with a wavelength of 200 nm, which may indicate the transient break of pi bonds in linear carbon chains. For chains with more than 10 atoms, the excited current oscillated with increasing amplitude during simulation time, which was due to the formation of plasma-like resonance.

AB - We discuss the response of linear carbon chains to a femtosecond laser pulse. The influence of the chain structure on the excited currents was taken into account. The simulation results showed that excited currents were reversible when laser intensity was relatively weak. An unexpected decrease of current amplitude was found for a laser pulse with a wavelength of 200 nm, which may indicate the transient break of pi bonds in linear carbon chains. For chains with more than 10 atoms, the excited current oscillated with increasing amplitude during simulation time, which was due to the formation of plasma-like resonance.

KW - Excited current

KW - Femtosecond laser

KW - Linear carbon chain

KW - Time-dependent density functional theory

UR - http://www.scopus.com/inward/record.url?scp=84971500761&partnerID=8YFLogxK

U2 - 10.1016/j.physleta.2016.05.022

DO - 10.1016/j.physleta.2016.05.022

M3 - Article

AN - SCOPUS:84971500761

SN - 0375-9601

VL - 380

SP - 2453

EP - 2457

JO - Physics Letters, Section A: General, Atomic and Solid State Physics

JF - Physics Letters, Section A: General, Atomic and Solid State Physics

IS - 31-32

ER -

First-principles simulations for excitation of currents in linear carbon chains under femtosecond laser pulse irradiation

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Keywords

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