{"id":6087,"date":"2026-10-19T09:48:27","date_gmt":"2026-10-19T09:48:27","guid":{"rendered":"https:\/\/phd.hi.is\/doktorsvorn\/doktorsvorn-i-edlisfraedi-lukas-schneiderbauer\/"},"modified":"2026-10-19T09:48:27","modified_gmt":"2026-10-19T09:48:27","slug":"doktorsvorn-i-edlisfraedi-lukas-schneiderbauer","status":"publish","type":"phd_defence","link":"https:\/\/phd.hi.is\/en\/doktorsvorn\/doktorsvorn-i-edlisfraedi-lukas-schneiderbauer\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed e\u00f0lisfr\u00e6\u00f0i – Lukas Schneiderbauer"},"content":{"rendered":"
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V\u00f6rninni ver\u00f0ur streymt \u00e1 sl\u00f3\u00f0inni\u00a0https:\/\/www.youtube.com\/user\/HIvarp\/live<\/a><\/p>\n

Doktorsefni:<\/strong>\u00a0Lukas Schneiderbauer<\/p>\n

Heiti ritger\u00f0ar:<\/strong>\u00a0H\u00e1lfsk\u00f6mmtu\u00f0 heilmyndun fyrir svarthol (Semi-Classical Black Hole Holography)<\/p>\n

Andm\u00e6lendur:<\/strong> Dr. Veronika Hubeny, pr\u00f3fessor vi\u00f0 e\u00f0lisfr\u00e6\u00f0ideild UC Davis \u00ed Kaliforn\u00edu, Bandar\u00edkjunum
Dr. Mukund Rangamany, pr\u00f3fessor vi\u00f0 e\u00f0lisfr\u00e6\u00f0ideild UC Davis \u00ed Kaliforn\u00edu, Bandar\u00edkjunum<\/p>\n

Lei\u00f0beinandi:<\/strong>\u00a0Dr. L\u00e1rus Thorlacius, pr\u00f3fessor vi\u00f0 Raunv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands<\/p>\n

Einnig \u00ed doktorsnefnd:<\/strong> Dr. Bo Sundborg, pr\u00f3fessor vi\u00f0 e\u00f0lisfr\u00e6\u00f0ideild Stokkh\u00f3lmsh\u00e1sk\u00f3la
Dr. Valentina Giangreco M. Puletti, pr\u00f3fessor vi\u00f0 Raunv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands
Dr. \u00de\u00f3r\u00f0ur J\u00f3nsson, pr\u00f3fessor vi\u00f0 Raunv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands<\/p>\n

Doktorsv\u00f6rn st\u00fdrir:<\/strong>\u00a0Dr. Einar \u00d6rn Sveinbj\u00f6rnsson, pr\u00f3fessor og deildarforseti Raunv\u00edsindadeildar H\u00e1sk\u00f3la \u00cdslands<\/p>\n

\u00c1grip<\/strong><\/p>\n

\u00cd ritger\u00f0inni er fjalla\u00f0 um tvo eiginleika svarthola.
Fyrst er sko\u00f0u\u00f0 n\u00fd a\u00f0fer\u00f0 vi\u00f0 a\u00f0 reikna fl\u00e6kju\u00f3rei\u00f0u \u00e1 milli svarthols og Hawking geislunarinnar sem \u00fea\u00f0 sendir fr\u00e1 s\u00e9r. \u00deessir \u00fatreikningar gefa til kynna hvort skammtauppl\u00fdsingar tapist vi\u00f0 uppgufun svartholsins e\u00f0ur ei. Ef gert er r\u00e1\u00f0 fyrir a\u00f0 uppl\u00fdsingarnar var\u00f0veitist fylgir fl\u00e6kju\u00f3rei\u00f0an svonefndum Page ferli. Reiknu\u00f0 er fl\u00e6kju\u00f3rei\u00f0an, annars vegar \u00ed \u00feyngdarfr\u00e6\u00f0il\u00edkani sem kennt er vi\u00f0 Callan, Giddings, Harvey og Strominger (CGHS) og hins vegar \u00ed l\u00edkani kennt vi\u00f0 Russo, Susskind og Thorlacius (RST), og s\u00fdnt fram \u00e1 a\u00f0 h\u00fan fylgir Page ferlinum \u00ed b\u00e1\u00f0um \u00feessum l\u00edk\u00f6num. Ni\u00f0ursta\u00f0an er \u00ed samr\u00e6mi vi\u00f0 \u00fea\u00f0 a\u00f0 uppgufun svarthols s\u00e9 ferli \u00fear sem skammtauppl\u00fdsingar tapast ekki.
Einnig er sko\u00f0a\u00f0 hugtaki\u00f0 skammtafr\u00e6\u00f0ilegt fl\u00e6kjustig \u00ed tengslum vi\u00f0 svarthol. Fl\u00e6kjustig skammta\u00e1stands segir til um hve margar einfaldar a\u00f0ger\u00f0ir e\u00f0a skref af \u00e1kve\u00f0inni ger\u00f0 \u00fearf til \u00feess a\u00f0 mynda \u00e1standi\u00f0 \u00far tilteknu vi\u00f0mi\u00f0unar\u00e1standi. Susskind setti fram \u00fe\u00e1 tilg\u00e1tu a\u00f0 skammtafr\u00e6\u00f0ilegt fl\u00e6kjustig svarthols s\u00e9 jafngilt tilteknu r\u00famm\u00e1li innan svartholsins. \u00d6nnur tilg\u00e1ta tengir fl\u00e6kjustigi\u00f0 vi\u00f0 \u00feyngdarvirkni \u00e1kve\u00f0ins hluta t\u00edmar\u00famsins sem skarast vi\u00f0 svartholi\u00f0. Pr\u00f3fa\u00f0ar eru \u00feessar tilg\u00e1tur fyrir svarthol sem gufa upp me\u00f0 Hawking \u00fatgeislun \u00ed CGHS og RST l\u00edk\u00f6nunum og s\u00fdnt a\u00f0 b\u00e1\u00f0ar tilg\u00e1turnar gefa fl\u00e6kjustig \u00ed samr\u00e6mi vi\u00f0 skammtafr\u00e6\u00f0i.<\/p>\n

Um doktorsefni\u00f0<\/strong><\/p>\n

Lukas Schneiderbauer f\u00e6ddist \u00ed b\u00e6num Ried im Innkreis \u00ed Austurr\u00edki \u00e1ri\u00f0 1989. Hann lauk framhaldssk\u00f3lapr\u00f3fi \u00e1ri\u00f0 2008 og h\u00f3f n\u00e1m vi\u00f0 h\u00e1sk\u00f3lann \u00ed V\u00ednarborg \u00ed Austurr\u00edki \u00e1ri\u00f0 2009. \u00dea\u00f0an \u00fatskrifa\u00f0ist hann me\u00f0 BSc- og MSc-gr\u00e1\u00f0ur \u00ed kennilegri e\u00f0lisfr\u00e6\u00f0i \u00e1ri\u00f0 2015. Eftir \u00fatskrift vann hann a\u00f0 ranns\u00f3knum tengdum MSc-verkefninu en flutti til \u00cdslands til a\u00f0 stunda doktorsn\u00e1m vi\u00f0 H\u00e1sk\u00f3la \u00cdslands hausti\u00f0 2016.<\/p>\n<\/div><\/div>","protected":false},"featured_media":1814,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_phd_date_start":"2020-09-25T14:00:00+00:00","_phd_date_end":"2020-09-25T16:00:00+00:00","_phd_location":"Ver\u00f6ld - H\u00fas Vigd\u00edsar Stofa 023","_phd_admission":"A\u00f0gangur \u00f3keypis","_phd_thesis_title":"H\u00e1lfsk\u00f6mmtu\u00f0 heilmyndun fyrir svarthol (Semi-Classical Black Hole Holography)","_phd_source_url":"https:\/\/gamli.hi.is\/vidburdir\/doktorsvorn_i_edlisfraedi_lukas_schneiderbauer","_phd_source_node_id":"345927","_phd_source_type":"vidburdir","_phd_member_id":471,"footnotes":""},"phd_school":[101,93],"phd_discipline":[105],"class_list":["post-6087","phd_defence","type-phd_defence","status-publish","has-post-thumbnail","hentry","phd_school-raunvisindadeild","phd_school-verkfraedi-og-natturuvisindasvid","phd_discipline-phd-i-edlisfraedi"],"_links":{"self":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6087","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence"}],"about":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/types\/phd_defence"}],"version-history":[{"count":0,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6087\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media\/1814"}],"wp:attachment":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media?parent=6087"}],"wp:term":[{"taxonomy":"phd_school","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_school?post=6087"},{"taxonomy":"phd_discipline","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_discipline?post=6087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}