Optical probing of relativistic plasma singularities

Timur Zh Esirkepov; Jie Mu; Yanjun Gu; Tae Moon Jeong; Petr Valenta; Ondrej Klimo; James K. Koga; Masaki Kando; David Neely; Georg Korn; Sergei V. Bulanov; Alexander S. Pirozhkov

doi:10.1063/5.0004525

Optical probing of relativistic plasma singularities

Timur Zh Esirkepov^*, Jie Mu, Yanjun Gu, Tae Moon Jeong, Petr Valenta, Ondrej Klimo, James K. Koga, Masaki Kando, David Neely, Georg Korn, Sergei V. Bulanov, Alexander S. Pirozhkov

^*Corresponding author for this work

Physics

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

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Abstract

Singularities in multi-stream flows of relativistic plasmas can efficiently produce coherent high-frequency radiation, as exemplified in the concepts of the Relativistic Flying Mirror [Bulanov et al., Phys. Rev. Lett. 91, 085001 (2003)] and Burst Intensification by Singularity Emitting Radiation [Pirozhkov et al., Sci. Rep. 7, 17968 (2017)]. Direct observation of these singularities is challenging due to their extreme sharpness (tens of nanometers), relativistic velocity, and transient non-local nature. We propose to use an ultrafast (a few light cycles) optical probe for identifying relativistic plasma singularities. Our estimations and Particle-in-Cell simulations show that this diagnostic is feasible.

Original language	English
Article number	052103
Number of pages	9
Journal	Physics of Plasmas
Volume	27
Issue number	5
DOIs	https://doi.org/10.1063/5.0004525
Publication status	Published - 1 May 2020

Funding

The authors thank Dr. A. Bierwage for fruitful discussion. This work was supported by QST Director Fund 20, QST IRI, JSPS KAKENHI (No. JP19H00669), Ministry of Education, and Youth and Sports of the Czech Republic and European Regional Development Fund (No. CZ.02.1.01/0.0/0.0/15_003/0000449).

Keywords

relativistic plasmas
multi-stream flows
laser–matter interactions

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10.1063/5.0004525Licence: CC BY 4.0

Esirkepov-etal-POP-2020-Optical-probing-of-relativistic-plasmaFinal published version, 5.29 MBLicence: CC BY 4.0

Cite this

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title = "Optical probing of relativistic plasma singularities",

abstract = "Singularities in multi-stream flows of relativistic plasmas can efficiently produce coherent high-frequency radiation, as exemplified in the concepts of the Relativistic Flying Mirror [Bulanov et al., Phys. Rev. Lett. 91, 085001 (2003)] and Burst Intensification by Singularity Emitting Radiation [Pirozhkov et al., Sci. Rep. 7, 17968 (2017)]. Direct observation of these singularities is challenging due to their extreme sharpness (tens of nanometers), relativistic velocity, and transient non-local nature. We propose to use an ultrafast (a few light cycles) optical probe for identifying relativistic plasma singularities. Our estimations and Particle-in-Cell simulations show that this diagnostic is feasible. ",

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AU - Esirkepov, Timur Zh

AU - Mu, Jie

AU - Gu, Yanjun

AU - Jeong, Tae Moon

AU - Valenta, Petr

AU - Klimo, Ondrej

AU - Koga, James K.

AU - Kando, Masaki

AU - Neely, David

AU - Korn, Georg

AU - Bulanov, Sergei V.

AU - Pirozhkov, Alexander S.

PY - 2020/5/1

Y1 - 2020/5/1

N2 - Singularities in multi-stream flows of relativistic plasmas can efficiently produce coherent high-frequency radiation, as exemplified in the concepts of the Relativistic Flying Mirror [Bulanov et al., Phys. Rev. Lett. 91, 085001 (2003)] and Burst Intensification by Singularity Emitting Radiation [Pirozhkov et al., Sci. Rep. 7, 17968 (2017)]. Direct observation of these singularities is challenging due to their extreme sharpness (tens of nanometers), relativistic velocity, and transient non-local nature. We propose to use an ultrafast (a few light cycles) optical probe for identifying relativistic plasma singularities. Our estimations and Particle-in-Cell simulations show that this diagnostic is feasible.

AB - Singularities in multi-stream flows of relativistic plasmas can efficiently produce coherent high-frequency radiation, as exemplified in the concepts of the Relativistic Flying Mirror [Bulanov et al., Phys. Rev. Lett. 91, 085001 (2003)] and Burst Intensification by Singularity Emitting Radiation [Pirozhkov et al., Sci. Rep. 7, 17968 (2017)]. Direct observation of these singularities is challenging due to their extreme sharpness (tens of nanometers), relativistic velocity, and transient non-local nature. We propose to use an ultrafast (a few light cycles) optical probe for identifying relativistic plasma singularities. Our estimations and Particle-in-Cell simulations show that this diagnostic is feasible.

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KW - multi-stream flows

KW - laser–matter interactions

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Optical probing of relativistic plasma singularities

Abstract

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Keywords

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