Dielectric function of warm dense gold
Single-state measurements of the broadband ( 450 - 800 nm ) dielectric function of gold using a supercontinuum probe are reviewed. These measurements have demonstrated the first evidence of the existence of band structure in ultrathin gold foils isochorically heated by a femtosecond laser pulse to e...
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| Veröffentlicht in: | Physics of plasmas 2008-05, Vol.15 (5), p.056303-056303-7 |
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| container_end_page | 056303-7 |
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| container_issue | 5 |
| container_start_page | 056303 |
| container_title | Physics of plasmas |
| container_volume | 15 |
| creator | Ping, Y. Hanson, D. Koslow, I. Ogitsu, T. Prendergast, D. Schwegler, E. Collins, G. Ng, A. |
| description | Single-state measurements of the broadband
(
450
-
800
nm
)
dielectric function of gold using a supercontinuum probe are reviewed. These measurements have demonstrated the first evidence of the existence of band structure in ultrathin gold foils isochorically heated by a femtosecond laser pulse to energy densities of
10
6
-
10
7
J
∕
kg
. The Drude component of the dielectric function increases with energy density while the interband component shows both enhancement and redshift.
Ab initio
molecular-dynamics calculations based on thermalized electrons cannot reproduce the experimental results, suggesting a non-Fermi distribution of excited electrons. |
| doi_str_mv | 10.1063/1.2844365 |
| format | Article |
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(
450
-
800
nm
)
dielectric function of gold using a supercontinuum probe are reviewed. These measurements have demonstrated the first evidence of the existence of band structure in ultrathin gold foils isochorically heated by a femtosecond laser pulse to energy densities of
10
6
-
10
7
J
∕
kg
. The Drude component of the dielectric function increases with energy density while the interband component shows both enhancement and redshift.
Ab initio
molecular-dynamics calculations based on thermalized electrons cannot reproduce the experimental results, suggesting a non-Fermi distribution of excited electrons.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/1.2844365</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>ATOMIC AND MOLECULAR PHYSICS ; DIELECTRIC MATERIALS ; DIELECTRIC PROPERTIES ; ELECTRONS ; ENERGY DENSITY ; EXCITED STATES ; FOILS ; GOLD ; LASERS ; MOLECULAR DYNAMICS METHOD ; PLASMA</subject><ispartof>Physics of plasmas, 2008-05, Vol.15 (5), p.056303-056303-7</ispartof><rights>2008 American Institute of Physics</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c346t-2d94276046d94862dfe3d9453e56a29bee2a63a2bce2f7ed1dda7e75d9ee247a3</citedby><cites>FETCH-LOGICAL-c346t-2d94276046d94862dfe3d9453e56a29bee2a63a2bce2f7ed1dda7e75d9ee247a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/pop/article-lookup/doi/10.1063/1.2844365$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,776,780,790,881,1553,4498,27901,27902,76127,76133</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/21120380$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Ping, Y.</creatorcontrib><creatorcontrib>Hanson, D.</creatorcontrib><creatorcontrib>Koslow, I.</creatorcontrib><creatorcontrib>Ogitsu, T.</creatorcontrib><creatorcontrib>Prendergast, D.</creatorcontrib><creatorcontrib>Schwegler, E.</creatorcontrib><creatorcontrib>Collins, G.</creatorcontrib><creatorcontrib>Ng, A.</creatorcontrib><title>Dielectric function of warm dense gold</title><title>Physics of plasmas</title><description>Single-state measurements of the broadband
(
450
-
800
nm
)
dielectric function of gold using a supercontinuum probe are reviewed. These measurements have demonstrated the first evidence of the existence of band structure in ultrathin gold foils isochorically heated by a femtosecond laser pulse to energy densities of
10
6
-
10
7
J
∕
kg
. The Drude component of the dielectric function increases with energy density while the interband component shows both enhancement and redshift.
Ab initio
molecular-dynamics calculations based on thermalized electrons cannot reproduce the experimental results, suggesting a non-Fermi distribution of excited electrons.</description><subject>ATOMIC AND MOLECULAR PHYSICS</subject><subject>DIELECTRIC MATERIALS</subject><subject>DIELECTRIC PROPERTIES</subject><subject>ELECTRONS</subject><subject>ENERGY DENSITY</subject><subject>EXCITED STATES</subject><subject>FOILS</subject><subject>GOLD</subject><subject>LASERS</subject><subject>MOLECULAR DYNAMICS METHOD</subject><subject>PLASMA</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LxDAQhoMouK4e_AcFQfDQNV9N2oMH2fULFrwoeAvZZKKRbiNJRPz3pnTFk6d5YR5eZh6ETgleECzYJVnQlnMmmj00I7jtaikk3x-zxLUQ_OUQHaX0jjHmomln6HzloQeTozeV-xxM9mGogqu-dNxWFoYE1Wvo7TE6cLpPcLKbc_R8e_O0vK_Xj3cPy-t1bRgXuaa241SK0l1CK6h1wEpqGDRC024DQLVgmm4MUCfBEmu1BNnYrmy41GyOzqbekLJXyfgM5s2EYSgnKkoIxazFhbqYKBNDShGc-oh-q-O3IliNGhRROw2FvZrYsUyP7_0P_7lQvy7YD1J_Yvs</recordid><startdate>20080501</startdate><enddate>20080501</enddate><creator>Ping, Y.</creator><creator>Hanson, D.</creator><creator>Koslow, I.</creator><creator>Ogitsu, T.</creator><creator>Prendergast, D.</creator><creator>Schwegler, E.</creator><creator>Collins, G.</creator><creator>Ng, A.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20080501</creationdate><title>Dielectric function of warm dense gold</title><author>Ping, Y. ; Hanson, D. ; Koslow, I. ; Ogitsu, T. ; Prendergast, D. ; Schwegler, E. ; Collins, G. ; Ng, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c346t-2d94276046d94862dfe3d9453e56a29bee2a63a2bce2f7ed1dda7e75d9ee247a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>ATOMIC AND MOLECULAR PHYSICS</topic><topic>DIELECTRIC MATERIALS</topic><topic>DIELECTRIC PROPERTIES</topic><topic>ELECTRONS</topic><topic>ENERGY DENSITY</topic><topic>EXCITED STATES</topic><topic>FOILS</topic><topic>GOLD</topic><topic>LASERS</topic><topic>MOLECULAR DYNAMICS METHOD</topic><topic>PLASMA</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ping, Y.</creatorcontrib><creatorcontrib>Hanson, D.</creatorcontrib><creatorcontrib>Koslow, I.</creatorcontrib><creatorcontrib>Ogitsu, T.</creatorcontrib><creatorcontrib>Prendergast, D.</creatorcontrib><creatorcontrib>Schwegler, E.</creatorcontrib><creatorcontrib>Collins, G.</creatorcontrib><creatorcontrib>Ng, A.</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ping, Y.</au><au>Hanson, D.</au><au>Koslow, I.</au><au>Ogitsu, T.</au><au>Prendergast, D.</au><au>Schwegler, E.</au><au>Collins, G.</au><au>Ng, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dielectric function of warm dense gold</atitle><jtitle>Physics of plasmas</jtitle><date>2008-05-01</date><risdate>2008</risdate><volume>15</volume><issue>5</issue><spage>056303</spage><epage>056303-7</epage><pages>056303-056303-7</pages><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>Single-state measurements of the broadband
(
450
-
800
nm
)
dielectric function of gold using a supercontinuum probe are reviewed. These measurements have demonstrated the first evidence of the existence of band structure in ultrathin gold foils isochorically heated by a femtosecond laser pulse to energy densities of
10
6
-
10
7
J
∕
kg
. The Drude component of the dielectric function increases with energy density while the interband component shows both enhancement and redshift.
Ab initio
molecular-dynamics calculations based on thermalized electrons cannot reproduce the experimental results, suggesting a non-Fermi distribution of excited electrons.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><doi>10.1063/1.2844365</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1070-664X |
| ispartof | Physics of plasmas, 2008-05, Vol.15 (5), p.056303-056303-7 |
| issn | 1070-664X 1089-7674 |
| language | eng |
| recordid | cdi_osti_scitechconnect_21120380 |
| source | AIP Journals Complete; AIP Digital Archive |
| subjects | ATOMIC AND MOLECULAR PHYSICS DIELECTRIC MATERIALS DIELECTRIC PROPERTIES ELECTRONS ENERGY DENSITY EXCITED STATES FOILS GOLD LASERS MOLECULAR DYNAMICS METHOD PLASMA |
| title | Dielectric function of warm dense gold |
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