Direct measurements of the ionization potential depression in a dense plasma
We have used the Linac Coherent Light Source to generate solid-density aluminum plasmas at temperatures of up to 180 eV. By varying the photon energy of the x rays that both create and probe the plasma, and observing the K-α fluorescence, we can directly measure the position of the K edge of the hig...
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| Veröffentlicht in: | Physical review letters 2012-08, Vol.109 (6), p.065002-065002, Article 065002 |
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| creator | Ciricosta, O Vinko, S M Chung, H-K Cho, B-I Brown, C R D Burian, T Chalupský, J Engelhorn, K Falcone, R W Graves, C Hájková, V Higginbotham, A Juha, L Krzywinski, J Lee, H J Messerschmidt, M Murphy, C D Ping, Y Rackstraw, D S Scherz, A Schlotter, W Toleikis, S Turner, J J Vysin, L Wang, T Wu, B Zastrau, U Zhu, D Lee, R W Heimann, P Nagler, B Wark, J S |
| description | We have used the Linac Coherent Light Source to generate solid-density aluminum plasmas at temperatures of up to 180 eV. By varying the photon energy of the x rays that both create and probe the plasma, and observing the K-α fluorescence, we can directly measure the position of the K edge of the highly charged ions within the system. The results are found to disagree with the predictions of the extensively used Stewart-Pyatt model, but are consistent with the earlier model of Ecker and Kröll, which predicts significantly greater depression of the ionization potential. |
| doi_str_mv | 10.1103/physrevlett.109.065002 |
| format | Article |
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By varying the photon energy of the x rays that both create and probe the plasma, and observing the K-α fluorescence, we can directly measure the position of the K edge of the highly charged ions within the system. The results are found to disagree with the predictions of the extensively used Stewart-Pyatt model, but are consistent with the earlier model of Ecker and Kröll, which predicts significantly greater depression of the ionization potential.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/physrevlett.109.065002</identifier><identifier>PMID: 23006275</identifier><language>eng</language><publisher>United States: American Physical Society</publisher><ispartof>Physical review letters, 2012-08, Vol.109 (6), p.065002-065002, Article 065002</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c505t-b620ae2dd6f5b42be046bc79c0a00a29981477ff9ba93408e1a89c8c515f19ed3</citedby><cites>FETCH-LOGICAL-c505t-b620ae2dd6f5b42be046bc79c0a00a29981477ff9ba93408e1a89c8c515f19ed3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,2863,2864,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23006275$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/1103070$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Ciricosta, O</creatorcontrib><creatorcontrib>Vinko, S M</creatorcontrib><creatorcontrib>Chung, H-K</creatorcontrib><creatorcontrib>Cho, B-I</creatorcontrib><creatorcontrib>Brown, C R D</creatorcontrib><creatorcontrib>Burian, T</creatorcontrib><creatorcontrib>Chalupský, J</creatorcontrib><creatorcontrib>Engelhorn, K</creatorcontrib><creatorcontrib>Falcone, R W</creatorcontrib><creatorcontrib>Graves, C</creatorcontrib><creatorcontrib>Hájková, V</creatorcontrib><creatorcontrib>Higginbotham, A</creatorcontrib><creatorcontrib>Juha, L</creatorcontrib><creatorcontrib>Krzywinski, J</creatorcontrib><creatorcontrib>Lee, H J</creatorcontrib><creatorcontrib>Messerschmidt, M</creatorcontrib><creatorcontrib>Murphy, C D</creatorcontrib><creatorcontrib>Ping, Y</creatorcontrib><creatorcontrib>Rackstraw, D S</creatorcontrib><creatorcontrib>Scherz, A</creatorcontrib><creatorcontrib>Schlotter, W</creatorcontrib><creatorcontrib>Toleikis, S</creatorcontrib><creatorcontrib>Turner, J J</creatorcontrib><creatorcontrib>Vysin, L</creatorcontrib><creatorcontrib>Wang, T</creatorcontrib><creatorcontrib>Wu, B</creatorcontrib><creatorcontrib>Zastrau, U</creatorcontrib><creatorcontrib>Zhu, D</creatorcontrib><creatorcontrib>Lee, R W</creatorcontrib><creatorcontrib>Heimann, P</creatorcontrib><creatorcontrib>Nagler, B</creatorcontrib><creatorcontrib>Wark, J S</creatorcontrib><title>Direct measurements of the ionization potential depression in a dense plasma</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>We have used the Linac Coherent Light Source to generate solid-density aluminum plasmas at temperatures of up to 180 eV. 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| title | Direct measurements of the ionization potential depression in a dense plasma |
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