{"id":"https://openalex.org/W797155631","doi":null,"title":"Parametric study of density down-ramp injection in laser wakefield acceleration","display_name":"Parametric study of density down-ramp injection in laser wakefield acceleration","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W797155631","mag":"797155631"},"language":"en","primary_location":{"id":"pmh:oai:lup-student-papers.lub.lu.se:5368172","doi":null,"is_oa":true,"landing_page_url":"http://lup.lub.lu.se/student-papers/record/5368172","pdf_url":"http://lup.lub.lu.se/student-papers/record/5368172","source":{"id":"https://openalex.org/S4306402420","display_name":"Lund University Publications Student Papers (Lund University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187531555","host_organization_name":"Lund University","host_organization_lineage":["https://openalex.org/I187531555"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"H2"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://lup.lub.lu.se/student-papers/record/5368172","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037364731","display_name":"Henrik Ekerfelt","orcid":"https://orcid.org/0000-0003-1722-867X","observed_orcids":["https://orcid.org/0000-0003-1722-867X"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Henrik Ekerfelt","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5037364731"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10384","display_name":"Laser-Plasma Interactions and Diagnostics","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10384","display_name":"Laser-Plasma Interactions and Diagnostics","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10559","display_name":"Particle Accelerators and Free-Electron Lasers","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11367","display_name":"Particle accelerators and beam dynamics","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/laser-wakefield-acceleration","display_name":"laser wakefield acceleration","score":0.996999979019165},{"id":"https://openalex.org/keywords/electron-injection","display_name":"electron injection","score":0.925000011920929},{"id":"https://openalex.org/keywords/injected-charge","display_name":"injected charge","score":0.746999979019165},{"id":"https://openalex.org/keywords/electron-energy-distribution-function","display_name":"electron energy distribution","score":0.7390000224113464},{"id":"https://openalex.org/keywords/peak-current","display_name":"peak current","score":0.6510000228881836},{"id":"https://openalex.org/keywords/particle-in-cell-simulation","display_name":"particle-in-cell simulation","score":0.6340000033378601}],"concepts":[{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.7032356858253479},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6538561582565308},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.6215112805366516},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.6195114850997925},{"id":"https://openalex.org/C82706917","wikidata":"https://www.wikidata.org/wiki/Q10251","display_name":"Plasma","level":2,"score":0.5687280893325806},{"id":"https://openalex.org/C198861627","wikidata":"https://www.wikidata.org/wiki/Q945175","display_name":"Plasma acceleration","level":3,"score":0.5564169883728027},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.5529133677482605},{"id":"https://openalex.org/C60799052","wikidata":"https://www.wikidata.org/wiki/Q46221","display_name":"Electric field","level":2,"score":0.5116596221923828},{"id":"https://openalex.org/C150708132","wikidata":"https://www.wikidata.org/wiki/Q744771","display_name":"Charge density","level":2,"score":0.46472010016441345},{"id":"https://openalex.org/C125485243","wikidata":"https://www.wikidata.org/wiki/Q905186","display_name":"Electron density","level":3,"score":0.44957977533340454},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3941269516944885},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.38982439041137695},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.14136168360710144},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:lup-student-papers.lub.lu.se:5368172","doi":null,"is_oa":true,"landing_page_url":"http://lup.lub.lu.se/student-papers/record/5368172","pdf_url":"http://lup.lub.lu.se/student-papers/record/5368172","source":{"id":"https://openalex.org/S4306402420","display_name":"Lund University Publications Student Papers (Lund University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187531555","host_organization_name":"Lund University","host_organization_lineage":["https://openalex.org/I187531555"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"H2"},{"id":"mag:797155631","doi":null,"is_oa":false,"landing_page_url":"http://lup.lub.lu.se/student-papers/record/5368172/file/7357104.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:lup-student-papers.lub.lu.se:5368172","doi":null,"is_oa":true,"landing_page_url":"http://lup.lub.lu.se/student-papers/record/5368172","pdf_url":"http://lup.lub.lu.se/student-papers/record/5368172","source":{"id":"https://openalex.org/S4306402420","display_name":"Lund University Publications Student Papers (Lund University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187531555","host_organization_name":"Lund University","host_organization_lineage":["https://openalex.org/I187531555"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"H2"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W797155631.pdf","grobid_xml":"https://content.openalex.org/works/W797155631.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W1934672412","https://openalex.org/W1976609124","https://openalex.org/W2008597374","https://openalex.org/W2011878355","https://openalex.org/W2035607724","https://openalex.org/W2052872696","https://openalex.org/W2055343761","https://openalex.org/W2058314117","https://openalex.org/W2062216537","https://openalex.org/W2066016267","https://openalex.org/W2070961123","https://openalex.org/W2073481645","https://openalex.org/W2076963625","https://openalex.org/W2078421975","https://openalex.org/W2083905606","https://openalex.org/W2085109236","https://openalex.org/W2093038450","https://openalex.org/W2094574062","https://openalex.org/W2126642251","https://openalex.org/W2160705527","https://openalex.org/W2163542185","https://openalex.org/W2165215367","https://openalex.org/W2223920794","https://openalex.org/W2991885482","https://openalex.org/W3039083618"],"related_works":["https://openalex.org/W7133590151","https://openalex.org/W4401710538","https://openalex.org/W4320916085","https://openalex.org/W2330105351","https://openalex.org/W4416798411","https://openalex.org/W4312201842","https://openalex.org/W4293502778","https://openalex.org/W2160705527","https://openalex.org/W2613686695","https://openalex.org/W4411046943"],"abstract_inverted_index":{"In":[0,52],"laser":[1,8,62,214],"wakefield":[2,63],"acceleration":[3,159],"(LWFA)":[4],"a":[5,14,55,61,74,83,105,154,172,190,201],"high":[6,147],"intensity":[7],"pulse":[9,215],"is":[10,49,65,80,89,102,109,127,150,165,178,184,216,224],"used":[11,28,237],"to":[12,29,33,42,111,134,152,167,226,238],"excite":[13],"plasma":[15,45,144],"density":[16,84,96,107,121,229,240],"wave":[17],"with":[18,200],"an":[19],"associated":[20],"electric":[21,24],"field.":[22],"This":[23,47],"field":[25],"can":[26,131],"be":[27,34,132,236],"accelerate":[30],"electrons.":[31],"However,":[32],"accelerated":[35],"the":[36,44,95,120,136,143,158,187,208,213,227,231],"electrons":[37,59,141],"first":[38],"of":[39,139,163,175,189,203,230],"all":[40],"need":[41],"enter":[43],"wave.":[46,145],"process":[48],"called":[50],"injection.":[51],"this":[53],"thesis":[54],"scheme":[56],"for":[57],"injecting":[58],"into":[60],"accelerator":[64],"studied.":[66],"Focus":[67],"lies":[68],"on":[69,73],"particle-in-cell":[70],"simulations":[71,164],"performed":[72,81,166],"computer":[75],"cluster.":[76],"A":[77,91,116,146,161,180],"parametric":[78],"scan":[79],"where":[82,171],"down-ramp\u2019s":[85],"slope":[86,123,130],"and":[87,99,124,218,233],"length":[88,98],"varied.":[90],"linear":[92],"relation":[93,118],"between":[94,119],"down-ramp":[97,122],"injected":[100,125,140,176,194],"charge":[101,126,177],"shown.":[103,128,179],"Furthermore":[104],"small":[106],"difference":[108],"shown":[110,151],"yield":[112],"higher":[113],"electron":[114],"energies.":[115],"logarithmic":[117],"The":[129,220],"optimised":[133],"control":[135],"spatial":[137],"distribution":[138,156],"within":[142],"peak":[148],"current":[149],"preserve":[153],"mono-energetic":[155],"over":[157],"length.":[160],"number":[162],"explain":[168],"experimental":[169],"results":[170],"large":[173,191],"variation":[174,192],"second":[181],"injection":[182],"mechanism":[183],"identified":[185],"as":[186],"source":[188],"in":[193],"charge.":[195],"An":[196],"imaging":[197],"diagnostic":[198],"system":[199],"resolution":[202],"2":[204],"\u03bcm":[205],"looking":[206],"at":[207],"Thomson":[209,221],"scattered":[210,222],"light":[211,223],"from":[212],"designed":[217],"implemented.":[219],"proportional":[225],"background":[228],"electrons,":[232],"could":[234],"therefore":[235],"detect":[239],"gradients.":[241]},"counts_by_year":[],"updated_date":"2026-10-27T15:51:10.671819","created_date":"2016-06-24T00:00:00"}