{"id":102286,"date":"2026-04-24T10:00:29","date_gmt":"2026-04-24T07:00:29","guid":{"rendered":"https:\/\/www.lovendal.ro\/wp52\/?p=102286"},"modified":"2026-04-23T23:32:19","modified_gmt":"2026-04-23T20:32:19","slug":"inca-trei-dimensiuni-necunoscute-ale-universului-ascund-secretele-gaurilor-negre-aflam-dintr-o-cercetare-din-2026","status":"publish","type":"post","link":"https:\/\/www.lovendal.ro\/wp52\/inca-trei-dimensiuni-necunoscute-ale-universului-ascund-secretele-gaurilor-negre-aflam-dintr-o-cercetare-din-2026\/","title":{"rendered":"\u00cenc\u0103 trei dimensiuni necunoscute ale Universului ascund secretele g\u0103urilor negre – afl\u0103m dintr-o cercetare din 2026"},"content":{"rendered":"
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Imagine:<\/strong> pixabay.com<\/strong><\/a> (Commons Creative – free)<\/figcaption><\/figure>\n

Universul are \u0219apte dimensiuni, iar un model fizic publicat \u00een martie 2026 propune c\u0103 dimensiunile suplimentare – cele patru pe care nu le putem vedea, sim\u021bi sau m\u0103sura cu niciun instrument existent – sunt motivul pentru care g\u0103urile negre nu distrug informa\u021biile atunci c\u00e2nd mor. Descoperirile publicate \u00een „General Relativity and Gravitation”<\/em><\/strong> \u00een martie 2026 cuantific\u0103 o mas\u0103 stabil\u0103 rezidual\u0103 a unei g\u0103uri negre de aproximativ 9\u00d710-\u2074\u00b9 kilograme – un obiect at\u00e2t de mic \u00eenc\u00e2t face ca un singur proton s\u0103 par\u0103 enorm – produs\u0103 \u00een \u00eentregime de geometria dimensiunilor spa\u021biale ascunse.<\/p>\n

Majoritatea oamenilor \u0219tiu c\u0103 Universul are trei dimensiuni spa\u021biale: lungime, l\u0103\u021bime \u0219i ad\u00e2ncime. Relativitatea general\u0103, teoria gravita\u021biei a lui Einstein, adaug\u0103 o a patra, timpul. Teoria corzilor au propus mai demult faptul c\u0103 Universul are de fapt mai multe dimensiuni dec\u00e2t aceste patru – direc\u021bii spa\u021biale suplimentare care nu sunt absente, ci compactate, adic\u0103 \u00eencol\u0103cite at\u00e2t de str\u00e2ns \u00een jurul lor la sc\u0103ri mult sub cea atomic\u0103, \u00eenc\u00e2t nimic din ceea ce am construit vreodat\u0103 nu le poate examina direct. \u00centrebarea c\u00e2te dimensiuni suplimentare exist\u0103, ce form\u0103 iau \u0219i ce efecte fizice produc a fost una dintre problemele centrale deschise din fizica teoretic\u0103 timp de decenii. Acest model propune c\u0103 r\u0103spunsul este \u0219apte dimensiuni spa\u021biale totale, cu trei dimensiuni suplimentare compacte aranjate \u00eentr-o structur\u0103 geometric\u0103 specific\u0103 numit\u0103 varietate G2 \u0219i c\u0103 aceast\u0103 structur\u0103 produce direct dou\u0103 dintre cele mai importante numere din \u00eentreaga fizic\u0103.<\/p>\n

O varietate G2 nu este o form\u0103 pe care o po\u021bi desena. Este un obiect geometric \u0219aptedimensional definit de un tip specific de simetrie intern\u0103, clasificat matematic \u00een acela\u0219i mod \u00een care este clasificat o sfer\u0103 sau un tor, dar existent \u00eentr-un num\u0103r de dimensiuni care nu are un analog vizual \u00een experien\u021ba de zi cu zi. Proprietatea critic\u0103 a unei variet\u0103\u021bi G2 pentru acest model este c\u0103 geometria sa nu este perfect neted\u0103. Aceasta poart\u0103 ceva numit torsiune, o r\u0103sucire a \u021bes\u0103turii spa\u021biale care dep\u0103\u0219e\u0219te curbura obi\u0219nuit\u0103. \u00cen relativitatea general\u0103 standard, spa\u021biul se curbeaz\u0103 \u00een jurul masei, dar nu se r\u0103suce\u0219te. Torsiunea adaug\u0103 un al doilea tip de deformare geometric\u0103. La sc\u0103ri energetice normale, torsiunea produce efecte prea mici pentru a fi detectate. La densit\u0103\u021bile extreme g\u0103site \u00een interiorul unei g\u0103uri negre \u00een colaps \u00een momentele sale finale, for\u021ba de r\u0103sucire generat\u0103 de torsiune devine suficient de mare pentru a opri complet colapsul.<\/p>\n

Structura \u0219apte-dimensional\u0103 utilizat\u0103 de acest model este construit\u0103 pe baza unui produs a dou\u0103 forme mai simple: o tri-sfer\u0103, care este suprafa\u021ba tridimensional\u0103 a unei sfere cvadridimensionale, combinat\u0103 cu o cvadri-sfer\u0103, suprafa\u021ba cvadridimensional\u0103 a unei sfere cincidimensionale. Scris\u0103 \u00een termeni matematici, aceasta este S\u00b3 \u00d7 S\u2074. Modelul nu sus\u021bine c\u0103 acestea sunt literalmente formele dimensiunilor suplimentare ale Universului. Autorii sunt explici\u021bi c\u0103 aceasta este o geometrie demonstrativ\u0103, aleas\u0103 deoarece are exact propriet\u0103\u021bile matematice necesare pentru a demonstra mecanismul. Ceea ce conteaz\u0103 este c\u0103, \u00een cadrul acestui cadru specific \u0219apte-dimensional, torsiunea dob\u00e2nde\u0219te o configura\u021bie stabil\u0103 preferat\u0103, o valoare numit\u0103 valoarea a\u0219teptat\u0103 \u00een vid a c\u00e2mpului scalar de torsiune, scris\u0103 \u03c4\u2080. Geometria acestor \u0219apte dimensiuni for\u021beaz\u0103 \u03c4\u2080 s\u0103 se stabilizeze la un anumit nivel de energie, iar valoarea la care se stabilizeaz\u0103 este de 246 GeV.<\/p>\n

Din acea singur\u0103 valoare geometric\u0103 de ie\u0219ire, 246 GeV, rezult\u0103 direct un al doilea num\u0103r. Masa r\u0103mas\u0103 a unei g\u0103uri negre evaporate se calculeaz\u0103 prin ridicarea la p\u0103trat a lui \u03c4\u2080 \u0219i \u00eemp\u0103r\u021birea la masa Planck, unitatea fundamental\u0103 de mas\u0103 la care efectele gravita\u021biei cuantice devin dominante, aproximativ 1,22 \u00d7 10\u00b9\u2079 GeV. Calculul d\u0103 9\u00d710-\u2074\u00b9 kilograme. Un proton are o mas\u0103 de 1,67 \u00d7 10-\u00b2\u2077 kilograme, deci r\u0103m\u0103\u0219i\u021ba este de aproximativ o sut\u0103 de trilioane de ori mai u\u0219oar\u0103 dec\u00e2t un proton. Este cel mai mic obiect stabil pe care modelul \u00eel permite s\u0103 existe, \u021binut \u00een loc nu de vreo for\u021b\u0103 obi\u0219nuit\u0103, ci de geometria unor dimensiuni prea mici pentru a fi observate.<\/p>\n

\u00cen 1974, Stephen Hawking<\/strong> a calculat c\u0103 g\u0103urile negre radiaz\u0103 energie lent \u0219i constant, pierz\u00e2nd mas\u0103, particul\u0103 cu particul\u0103, pe perioade de timp mult mai lungi dec\u00e2t v\u00e2rsta actual\u0103 a Universului. Radia\u021bia nu poart\u0103 nicio informa\u021bie despre ce a c\u0103zut \u00een gaura neagr\u0103. O stea care s-a pr\u0103bu\u0219it pentru a forma gaura neagr\u0103 cu miliarde de ani \u00een urm\u0103 nu las\u0103 nicio urm\u0103 \u00een radia\u021bia emis\u0103. C\u00e2nd gaura neagr\u0103 se termin\u0103 de evaporat, conform calculului ini\u021bial al lui Hawking, totul dispare. Aceasta este o contradic\u021bie direct\u0103 a mecanicii cuantice, care impune ca informa\u021biile s\u0103 nu poat\u0103 fi distruse, ci doar rearanjate. Contradic\u021bia este paradoxul informa\u021biei g\u0103urii negre \u0219i a rezistat rezolv\u0103rii timp de 50 de ani.<\/p>\n

Modelul \u0219apte-dimensional rezolv\u0103 problema prin \u00eempiedicarea dispari\u0163iei. Pe m\u0103sur\u0103 ce o gaur\u0103 neagr\u0103 se mic\u0219oreaz\u0103 spre masa zero, c\u00e2mpul de torsiune din dimensiunile suplimentare produce o for\u021b\u0103 de respingere din ce \u00een ce mai puternic\u0103. La densit\u0103\u021bi planckiene, respingerea echilibreaz\u0103 exact gravita\u021bia. Gaura neagr\u0103 nu se mai poate mic\u0219ora. Ea \u00eenghea\u021b\u0103 la 9\u00d710-\u2074\u00b9 kilograme \u0219i r\u0103m\u00e2ne acolo permanent. Fiecare bucat\u0103 de materie care a c\u0103zut \u00een gaura neagr\u0103 pe \u00eentreaga sa durat\u0103 de via\u021b\u0103 a excitat modele specifice \u00een c\u00e2mpul de torsiune din interiorul acelor \u0219apte dimensiuni. Aceste modele sunt prinse \u00een r\u0103m\u0103\u0219i\u021b\u0103, ca moduri cvasi-normale, st\u0103ri de vibra\u021bie ale c\u00e2mpului de torsiune care se comport\u0103 ca frecven\u021bele de rezonan\u021b\u0103 ale unui clopot. Fiecare combina\u021bie de materie care cade excit\u0103 un model unic. Setul specific de moduri excitate, frecven\u021bele \u0219i amplitudinile lor, constituie o \u00eenregistrare complet\u0103 a tot ceea ce a traversat vreodat\u0103 orizontul evenimentelor.<\/p>\n

R\u0103m\u0103\u0219i\u021ba supravie\u021buie\u0219te pe termen nelimitat datorit\u0103 unei propriet\u0103\u021bi numite protec\u021bie topologic\u0103, \u00eenr\u0103d\u0103cinat\u0103 \u00een structura variet\u0103\u021bii G2. Topologia \u00een fizic\u0103 se refer\u0103 la propriet\u0103\u021bile unei forme geometrice care nu pot fi modificate prin nicio transformare lin\u0103 \u0219i continu\u0103.\u00a0 \u00cen concluzie, informa\u021bia nu este distrus\u0103: ea este p\u0103strat\u0103 \u00een dimensiuni pe care nu le pute\u021bi vedea.<\/p>\n

Sursa:<\/strong> studiul \u015ftiin\u0163ific „Geometric origin of a stable black hole remnant from torsion in G2-manifold geometry” \/ springer.com<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Universul are \u0219apte dimensiuni, iar un model fizic publicat \u00een martie 2026 propune c\u0103 dimensiunile suplimentare – cele patru pe care nu le putem vedea, sim\u021bi sau m\u0103sura cu niciun instrument existent – sunt motivul pentru care g\u0103urile negre nu … <\/p>\n

Cititi mai multe<\/a><\/p>\n","protected":false},"author":1,"featured_media":102287,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11042],"tags":[4527,66,11043,596,1367,4896,436,3507,8097,733,1104,789,1087],"class_list":["post-102286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fizica-chimie","tag-dimensiune","tag-energie","tag-fizica-chimie","tag-gaura-neagra","tag-gravitatie","tag-hawking","tag-masa","tag-numar","tag-proton","tag-stea","tag-teoria-relativitatii","tag-timp","tag-univers","resize-featured-image"],"yoast_head":"\n\u00cenc\u0103 trei dimensiuni necunoscute ale Universului ascund secretele g\u0103urilor negre - afl\u0103m dintr-o cercetare din 2026 - Secretele lui Lovendal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lovendal.ro\/wp52\/inca-trei-dimensiuni-necunoscute-ale-universului-ascund-secretele-gaurilor-negre-aflam-dintr-o-cercetare-din-2026\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00cenc\u0103 trei dimensiuni necunoscute ale Universului ascund secretele g\u0103urilor negre - afl\u0103m dintr-o cercetare din 2026\" \/>\n<meta property=\"og:description\" content=\"Universul are \u0219apte dimensiuni, iar un model fizic publicat \u00een martie 2026 propune c\u0103 dimensiunile suplimentare – cele patru pe care nu le putem vedea, sim\u021bi sau m\u0103sura cu niciun instrument existent – sunt motivul pentru care g\u0103urile negre nu ... 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