Resistivity contribution to stopping power and plasma heating by laser-accelerated electrons
A model of plasma stopping power with respect to laser-accelerated electrons is generalized. The model includes both main mechanisms of fast electron energy loss caused by Coulomb collisions with plasma electrons and ions (“collisional” mechanism), and by the field of resistive plasma current (“Ohmi...
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Published in: | Physics of plasmas 2022-12, Vol.29 (12) |
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description | A model of plasma stopping power with respect to laser-accelerated electrons is generalized. The model includes both main mechanisms of fast electron energy loss caused by Coulomb collisions with plasma electrons and ions (“collisional” mechanism), and by the field of resistive plasma current (“Ohmic” mechanism). The results are used to develop an analytical model of plasma heating by fast electrons with energies corresponding to the wide range of energy flux density of laser pulse capable to provide an intense generation of these particles. It is shown that the contribution of the Ohmic stopping power component has a significant effect on the dynamics of plasma heating by high-current fast electron beam generated by short femtosecond and picosecond laser pulses of petawatt power. |
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Yu ; Kuchugov, P. A.</creator><creatorcontrib>Gus'kov, S. Yu ; Kuchugov, P. A.</creatorcontrib><description>A model of plasma stopping power with respect to laser-accelerated electrons is generalized. The model includes both main mechanisms of fast electron energy loss caused by Coulomb collisions with plasma electrons and ions (“collisional” mechanism), and by the field of resistive plasma current (“Ohmic” mechanism). The results are used to develop an analytical model of plasma heating by fast electrons with energies corresponding to the wide range of energy flux density of laser pulse capable to provide an intense generation of these particles. It is shown that the contribution of the Ohmic stopping power component has a significant effect on the dynamics of plasma heating by high-current fast electron beam generated by short femtosecond and picosecond laser pulses of petawatt power.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/5.0120880</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Coulomb collisions ; Electron beams ; Femtosecond pulses ; Flux density ; Laser beam heating ; Mathematical models ; Plasma currents ; Plasma heating ; Plasma physics ; Stopping power</subject><ispartof>Physics of plasmas, 2022-12, Vol.29 (12)</ispartof><rights>Author(s)</rights><rights>2022 Author(s). 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A.</creatorcontrib><title>Resistivity contribution to stopping power and plasma heating by laser-accelerated electrons</title><title>Physics of plasmas</title><description>A model of plasma stopping power with respect to laser-accelerated electrons is generalized. The model includes both main mechanisms of fast electron energy loss caused by Coulomb collisions with plasma electrons and ions (“collisional” mechanism), and by the field of resistive plasma current (“Ohmic” mechanism). The results are used to develop an analytical model of plasma heating by fast electrons with energies corresponding to the wide range of energy flux density of laser pulse capable to provide an intense generation of these particles. It is shown that the contribution of the Ohmic stopping power component has a significant effect on the dynamics of plasma heating by high-current fast electron beam generated by short femtosecond and picosecond laser pulses of petawatt power.</description><subject>Coulomb collisions</subject><subject>Electron beams</subject><subject>Femtosecond pulses</subject><subject>Flux density</subject><subject>Laser beam heating</subject><subject>Mathematical models</subject><subject>Plasma currents</subject><subject>Plasma heating</subject><subject>Plasma physics</subject><subject>Stopping power</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqdkE1LAzEURYMoWKsL_0HAlcLUZPIxyVKKXyAIouBCCEkm0ZR2MiZppf_eGVpw7-pd3j28BweAc4xmGHFyzWYI10gIdAAmGAlZNbyhh2NuUMU5fT8GJzkvEEKUMzEBHy8uh1zCJpQttLErKZh1CbGDJcJcYt-H7hP28cclqLsW9kudVxp-OV3GwmzhsHCp0ta6pUu6uBYOwZYUu3wKjrxeZne2n1Pwdnf7On-onp7vH-c3T5WtWVMqQYxkhHnfcmmNFtR47pGkpqWkZp4hibyUjmoqaira1mktuNTMSiJrZxCZgovd3T7F77XLRS3iOnXDS1U3lGGGMeEDdbmjbIo5J-dVn8JKp63CSI3yFFN7eQN7tWOzDUWPPv4Hb2L6A1XfevILDlR-4Q</recordid><startdate>202212</startdate><enddate>202212</enddate><creator>Gus'kov, S. Yu</creator><creator>Kuchugov, P. A.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-3523-546X</orcidid><orcidid>https://orcid.org/0000-0003-3240-2963</orcidid></search><sort><creationdate>202212</creationdate><title>Resistivity contribution to stopping power and plasma heating by laser-accelerated electrons</title><author>Gus'kov, S. Yu ; Kuchugov, P. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c257t-83b9535ffd69cba84bf6f094bd4325f5090f99e4a48248ddeaa869a5c9392eb03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Coulomb collisions</topic><topic>Electron beams</topic><topic>Femtosecond pulses</topic><topic>Flux density</topic><topic>Laser beam heating</topic><topic>Mathematical models</topic><topic>Plasma currents</topic><topic>Plasma heating</topic><topic>Plasma physics</topic><topic>Stopping power</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gus'kov, S. Yu</creatorcontrib><creatorcontrib>Kuchugov, P. 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subjects | Coulomb collisions Electron beams Femtosecond pulses Flux density Laser beam heating Mathematical models Plasma currents Plasma heating Plasma physics Stopping power |
title | Resistivity contribution to stopping power and plasma heating by laser-accelerated electrons |
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