{"id":"https://openalex.org/W972645676","doi":null,"title":"Illuminating the Darkness: Using Alternative Parameterizations to Test Dark Energy Properties.","display_name":"Illuminating the Darkness: Using Alternative Parameterizations to Test Dark Energy Properties.","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W972645676","mag":"972645676"},"language":"en","primary_location":{"id":"pmh:oai:CiteSeerX.psu:10.1.1.1019.5469","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1019.5469","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://deepblue.lib.umich.edu/bitstream/handle/2027.42/110437/ejruiz_1.pdf%3Bjsessionid%3DF9EEBAF81479449C45BE339C693F947E?sequence%3D1","raw_type":"text"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Eduardo Ruiz","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Eduardo Ruiz","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.03241713,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T11090","display_name":"Dark Matter and Cosmic Phenomena","score":0.0006000000284984708,"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/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/dark-energy","display_name":"dark energy","score":0.9829999804496765},{"id":"https://openalex.org/keywords/supernova-legacy-survey","display_name":"Supernova Legacy Survey","score":0.8709999918937683},{"id":"https://openalex.org/keywords/dark-energy-equation-of-state","display_name":"dark energy equation of state","score":0.8059999942779541},{"id":"https://openalex.org/keywords/wcdm-model","display_name":"wCDM model","score":0.7789999842643738},{"id":"https://openalex.org/keywords/growth-of-structure","display_name":"structure growth","score":0.6959999799728394},{"id":"https://openalex.org/keywords/geometry-of-the-universe","display_name":"geometry of the universe","score":0.5680000185966492},{"id":"https://openalex.org/keywords/redshift-space-distortions","display_name":"redshift-space distortions","score":0.8410000205039978},{"id":"https://openalex.org/keywords/cluster-counts","display_name":"cluster number counts","score":0.8820000290870667},{"id":"https://openalex.org/keywords/baryon-acoustic-oscillations","display_name":"baryon acoustic oscillations","score":0.9589999914169312},{"id":"https://openalex.org/keywords/cosmic-microwave-background","display_name":"cosmic microwave background","score":0.9909999966621399},{"id":"https://openalex.org/keywords/lcdm-cosmology","display_name":"LCDM cosmology","score":0.8560000061988831},{"id":"https://openalex.org/keywords/neutrino-mass","display_name":"neutrino mass","score":0.800000011920929}],"concepts":[{"id":"https://openalex.org/C2779027399","wikidata":"https://www.wikidata.org/wiki/Q204170","display_name":"Darkness","level":2,"score":0.8183447122573853},{"id":"https://openalex.org/C172790937","wikidata":"https://www.wikidata.org/wiki/Q18343","display_name":"Dark energy","level":3,"score":0.6856432557106018},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.328830361366272},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2822282612323761},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.2479242980480194},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.17096206545829773},{"id":"https://openalex.org/C26405456","wikidata":"https://www.wikidata.org/wiki/Q338","display_name":"Cosmology","level":2,"score":0.12482240796089172}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:CiteSeerX.psu:10.1.1.1019.5469","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1019.5469","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://deepblue.lib.umich.edu/bitstream/handle/2027.42/110437/ejruiz_1.pdf%3Bjsessionid%3DF9EEBAF81479449C45BE339C693F947E?sequence%3D1","raw_type":"text"},{"id":"pmh:oai:deepblue.lib.umich.edu:2027.42/110437","doi":null,"is_oa":false,"landing_page_url":"http://deepblue.lib.umich.edu/bitstream/2027.42/110437/1/ejruiz_1.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306400393","display_name":"Deep Blue (University of Michigan)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I27837315","host_organization_name":"University of Michigan","host_organization_lineage":["https://openalex.org/I27837315"],"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":"Thesis"},{"id":"mag:972645676","doi":null,"is_oa":false,"landing_page_url":"https://deepblue.lib.umich.edu/bitstream/2027.42/110437/1/ejruiz_1.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":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":92,"referenced_works":["https://openalex.org/W1540356931","https://openalex.org/W1576070759","https://openalex.org/W1581228648","https://openalex.org/W1591720514","https://openalex.org/W1651956840","https://openalex.org/W1750135847","https://openalex.org/W1827382956","https://openalex.org/W1849363192","https://openalex.org/W1853767801","https://openalex.org/W1855576266","https://openalex.org/W1868400620","https://openalex.org/W1907456319","https://openalex.org/W1938366638","https://openalex.org/W1939864003","https://openalex.org/W1954069964","https://openalex.org/W1963311772","https://openalex.org/W1969221502","https://openalex.org/W1977901310","https://openalex.org/W1979267384","https://openalex.org/W1982372072","https://openalex.org/W1986015707","https://openalex.org/W1990122673","https://openalex.org/W1992851587","https://openalex.org/W1993960834","https://openalex.org/W1995697528","https://openalex.org/W1999136077","https://openalex.org/W2003864863","https://openalex.org/W2016665842","https://openalex.org/W2019267312","https://openalex.org/W2023407779","https://openalex.org/W2026673350","https://openalex.org/W2027492047","https://openalex.org/W2034231122","https://openalex.org/W2036439761","https://openalex.org/W2036996453","https://openalex.org/W2040444105","https://openalex.org/W2041498993","https://openalex.org/W2044117497","https://openalex.org/W2044394776","https://openalex.org/W2044422425","https://openalex.org/W2048775973","https://openalex.org/W2049300294","https://openalex.org/W2056264338","https://openalex.org/W2056760934","https://openalex.org/W2057351095","https://openalex.org/W2057645607","https://openalex.org/W2065889919","https://openalex.org/W2066328072","https://openalex.org/W2066617372","https://openalex.org/W2067997899","https://openalex.org/W2073832139","https://openalex.org/W2074856085","https://openalex.org/W2075106565","https://openalex.org/W2076834371","https://openalex.org/W2078491699","https://openalex.org/W2078888140","https://openalex.org/W2082443206","https://openalex.org/W2092674054","https://openalex.org/W2099236906","https://openalex.org/W2102197207","https://openalex.org/W2106295420","https://openalex.org/W2113869105","https://openalex.org/W2115185242","https://openalex.org/W2117363750","https://openalex.org/W2117797710","https://openalex.org/W2121951791","https://openalex.org/W2124525630","https://openalex.org/W2125643839","https://openalex.org/W2128130302","https://openalex.org/W2134287871","https://openalex.org/W2138309709","https://openalex.org/W2139937287","https://openalex.org/W2141968105","https://openalex.org/W2146458045","https://openalex.org/W2147875900","https://openalex.org/W2148534890","https://openalex.org/W2151185137","https://openalex.org/W2153542744","https://openalex.org/W2156305595","https://openalex.org/W2160305784","https://openalex.org/W2162231850","https://openalex.org/W2162447676","https://openalex.org/W2166474522","https://openalex.org/W2167346597","https://openalex.org/W2167435391","https://openalex.org/W2810699982","https://openalex.org/W2949807723","https://openalex.org/W3029527780","https://openalex.org/W3105053294","https://openalex.org/W3123971863","https://openalex.org/W3125294753","https://openalex.org/W7044291182"],"related_works":["https://openalex.org/W1849363192","https://openalex.org/W3155395658","https://openalex.org/W7001146599","https://openalex.org/W2167346597","https://openalex.org/W3103802103","https://openalex.org/W7204870148","https://openalex.org/W2070356366","https://openalex.org/W3022158708","https://openalex.org/W2160305784","https://openalex.org/W2229766021"],"abstract_inverted_index":{"In":[0,128],"the":[1,9,25,47,65,83,92,123,129,136,139,144,152,175,178,203,232,236,244,257,262,305,308,316,324,329,335],"first":[2],"half":[3],"of":[4,11,54,61,64,67,86,101,125,135,138,146,158,180,196,247,265,307,338],"my":[5],"dissertation,":[6],"I":[7,29,132,182],"study":[8],"effects":[10],"type":[12],"Ia":[13],"supernova":[14],"(SNIa)":[15],"systematic":[16],"errors":[17],"on":[18,109],"dark":[19,55,94,162],"energy":[20,56,95,163],"using":[21],"current":[22,119],"data":[23,184],"from":[24,36,185,315],"Supernova":[26],"Legacy":[27],"Survey.":[28],"consider":[30],"how":[31],"these":[32],"systematics":[33,78],"affect":[34],"constraints":[35,90,107,330],"combined":[37],"cosmological":[38,188,340],"probes":[39,189],"that":[40,313],"include":[41],"SNIa,":[42,198],"baryon":[43,199],"acoustic":[44,200],"oscillations,":[45,201],"and":[46,156,174,194,202,217,224,228,295],"cosmic":[48,204],"microwave":[49,205],"background.":[50],"The":[51,76],"temporal":[52],"evolution":[53],"is":[57,165],"described":[58],"in":[59,91,143,253,274,323],"terms":[60],"principal":[62,113,187],"components":[63,114],"equation":[66],"state,":[68],"though":[69],"simpler":[70],"models":[71],"are":[72,79,115,331],"examined":[73],"as":[74],"well.":[75],"SNIa":[77],"found":[80],"to":[81,103,190,240,249,299,334],"degrade":[82],"generalized":[84],"figure":[85],"merit,":[87],"which":[88,269],"characterizes":[89],"multidimensional":[93],"parameter":[96,164,327],"space,":[97],"by":[98,149,284,304],"a":[99],"factor":[100],"three":[102],"four.":[104],"Nevertheless,":[105],"overall":[106],"obtained":[108],"more":[110],"than":[111,273,312],"five":[112],"very":[116],"good":[117,254],"with":[118,122,167,235,256,261],"data,":[120],"even":[121],"inclusion":[124],"known":[126],"systematics.":[127],"second":[130],"half,":[131],"perform":[133],"tests":[134],"consistency":[137],"standard":[140],"wCDM":[141],"model":[142],"framework":[145],"General":[147],"Relativity":[148],"separating":[150],"out":[151],"information":[153],"between":[154],"geometry":[155,193,223,227],"growth":[157,179,229,272,290],"structure.":[159,181],"Each":[160],"late-universe":[161],"replaced":[166],"two":[168],"parameters:":[169],"one":[170],"describing":[171],"geometrical":[172],"information,":[173],"other":[176],"controlling":[177],"use":[183],"all":[186],"constrain":[191,221],"both":[192,222],"growth;":[195],"these,":[197],"background":[206],"primarily":[207],"measure":[208],"geometry,":[209],"while":[210],"cluster":[211],"counts,":[212],"weak":[213],"gravitational":[214],"lensing":[215],"shear,":[216],"redshift":[218,266,285],"space":[219,267,286,328],"distortions":[220,268,287],"growth.":[225],"Both":[226],"separately":[230,251],"favor":[231,270],"LCDM":[233,258,275],"cosmology":[234],"matter":[237],"density":[238],"relative":[239],"critical":[241],"Omega_M=0.3.":[242],"Allowing":[243],"split":[245],"equations":[246],"state":[248],"vary":[250],"results":[252],"agreement":[255],"value":[259],"(w=-1),":[260],"major":[263],"exception":[264],"less":[271,289],"at":[276],"3-sigma":[277],"confidence,":[278],"favoring":[279],"instead":[280],"w^grow=-0.8.":[281],"This":[282],"preference":[283],"for":[288],"has":[291],"been":[292],"noted":[293],"previously":[294],"may":[296],"be":[297,302],"due":[298,333],"systematics,":[300],"or":[301],"explained":[303],"sum":[306],"neutrino":[309],"masses":[310],"higher":[311],"expected":[314],"simplest":[317],"mass":[318],"hierarchies,":[319],"m_nu=0.45":[320],"eV.":[321],"Even":[322],"new,":[325],"larger":[326],"tight":[332],"impressive":[336],"complementarity":[337],"different":[339],"probes.":[341]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
