{"id":5824,"date":"2021-11-30T15:23:44","date_gmt":"2021-11-30T14:23:44","guid":{"rendered":"https:\/\/websrv.saske.sk\/uef\/?p=5824"},"modified":"2021-11-30T15:23:44","modified_gmt":"2021-11-30T14:23:44","slug":"d-brany-ako-mozne-prepojenie-medzi-roznymi-energetickymi-skalami-v-kontexte-gravitacie","status":"publish","type":"post","link":"https:\/\/websrv.saske.sk\/uef\/d-brany-ako-mozne-prepojenie-medzi-roznymi-energetickymi-skalami-v-kontexte-gravitacie\/","title":{"rendered":"D-br\u00e1ny ako mo\u017en\u00e9 prepojenie medzi r\u00f4znymi energetick\u00fdmi \u0161k\u00e1lami v kontexte gravit\u00e1cie"},"content":{"rendered":"<p>Teoretick\u00fd fyzik z n\u00e1\u0161ho \u00dastavu experiment\u00e1lnej fyziky, <strong>RNDr. Richard Pin\u010d\u00e1k, PhD.<\/strong> spolu s kolegami z Talianska, D\u00e1nska, Saudskej Ar\u00e1bie a Kanady publikovali ned\u00e1vno v zn\u00e1mom \u010dasopise <a href=\"https:\/\/www.worldscientific.com\/toc\/ijgmmp\/current\">International Journal of Geometric Methods in Modern Physics Vol. 18, No. 14 (December 2021)<\/a> ve\u013emi d\u00f4le\u017eit\u00fd \u010dl\u00e1nok z oblasti kozmol\u00f3gie s n\u00e1zvom: \u201e<em>A topological approach for emerging D-Branes and its implications for gravity<\/em>\u201d.<\/p>\n<p>T\u00edm v\u00fdskumn\u00edkov, zlo\u017een\u00fd z troch matematikov a dvoch teoretick\u00fdch fyzikov, zaviedol a aplikoval na gravit\u00e1ciu model zalo\u017een\u00fd na \u0161peci\u00e1lnych geometrick\u00fdch variet\u00e1ch, takzvan\u00fdch PNDP-variet\u00e1ch, a to \u00faplne nov\u00fdm sp\u00f4sobom v kontexte vznikaj\u00facej gravit\u00e1cie a D-br\u00e1nov\u00e9ho modelu vesm\u00edru (vi\u010f. obr\u00e1zok kde n\u00e1\u0161 vidite\u013en\u00fd vesm\u00edr sa jav\u00ed ako bod na Calabiho\u2013Yauho manifolde). \u010cl\u00e1nok vych\u00e1dza z predpokladu, \u017ee na fundament\u00e1lnej \u00farovni m\u00f4\u017ee by\u0165 D-br\u00e1na tvoren\u00e1 \u201eobjektami\u201c (PNDP-manifoldami), ktor\u00e9 sa vyn\u00e1raj\u00fa bodovo, teda s nulov\u00fdm virtu\u00e1lnym rozmerom, a ktor\u00e9 spolu \u201einteraguj\u00fa\u201c. Pr\u00e1ca predstavuje a popisuje diskr\u00e9tny p\u00f4vod gravit\u00e1cie. T\u00e1to te\u00f3ria s diskr\u00e9tnymi gravita\u010dn\u00fdmi \u00fa\u010dinkami predpoved\u00e1, \u017ee \u0161\u00edrenie r\u00f4znych vlnov\u00fdch d\u013a\u017eok je mierne odli\u0161n\u00e9 kv\u00f4li skuto\u010dnosti, \u017ee vy\u0161\u0161ie energie s\u00fa citlivej\u0161ie na z\u00e1kladn\u00fa mikroskopick\u00fa \u0161trukt\u00faru ako vlnov\u00e9 d\u013a\u017eky s ni\u017e\u0161ou energiou. Takmer ak\u00e9ko\u013evek experimenty, ktor\u00e9 s\u00fa dostato\u010dne citliv\u00e9 na to, aby rozl\u00ed\u0161ili mal\u00e9 diskr\u00e9tne posuny vektorov\u00fdch veli\u010d\u00edn v syst\u00e9moch \u010dast\u00edc, ktor\u00e9 sa vo\u013ene \u0161\u00edria v gravita\u010dnom poli, by boli v z\u00e1sade potenci\u00e1lnym kandid\u00e1tom na experiment\u00e1lne testy. Ale st\u00e1le to bude \u0165a\u017ek\u00e9, preto\u017ee ve\u013ekos\u0165 diskr\u00e9tneho \u201eskoku\u201c bude ve\u013emi mal\u00e1, ale v\u017edy bli\u017e\u0161ie k realite ako predpove\u010f strunovej te\u00f3rie v rozmeroch plankovsk\u00fdch d\u013a\u017eok.<\/p>\n<p>Viac inform\u00e1cii o aktu\u00e1lnej problematike nap\u00edsan\u00fdch popul\u00e1rnou formou sa mo\u017eno do\u010d\u00edta\u0165 na str\u00e1nkach \u010dasopisu Reccom Magazine v pr\u00edspevku s n\u00e1zvom \u201e<a href=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2021\/11\/RECCOM-Magazine-Pincak.pdf\"><em>New possible link between different energy scales in the context of gravity<\/em><\/a>\u00a0\u201c.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Teoretick\u00fd fyzik z n\u00e1\u0161ho \u00dastavu experiment\u00e1lnej fyziky, RNDr. Richard Pin\u010d\u00e1k, PhD. spolu s kolegami z Talianska, D\u00e1nska, Saudskej Ar\u00e1bie a Kanady publikovali ned\u00e1vno v zn\u00e1mom&#8230;<\/p>\n","protected":false},"author":11,"featured_media":5825,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/posts\/5824"}],"collection":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/comments?post=5824"}],"version-history":[{"count":2,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/posts\/5824\/revisions"}],"predecessor-version":[{"id":5828,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/posts\/5824\/revisions\/5828"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/media\/5825"}],"wp:attachment":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/media?parent=5824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/categories?post=5824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/tags?post=5824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}