Fincanda so\u011fumu\u015f kahveniz, kendini aniden \u0131s\u0131tmaz. Ancak ayn\u0131 kural, kuantum sistemleri i\u00e7in ge\u00e7erli de\u011fildir. Ara\u015ft\u0131rmac\u0131lar\u0131n arXiv.org\u2019a bildirdiklerine g\u00f6re, so\u011fuk bir havan\u0131n kupay\u0131 \u0131s\u0131tmas\u0131 gibi, belli ko\u015fullar alt\u0131nda, s\u0131cakl\u0131k, so\u011fuk bir kuantum par\u00e7ac\u0131\u011f\u0131ndan daha s\u0131cak bir kuantum par\u00e7ac\u0131\u011f\u0131na do\u011fru akabilir. Bu fenomen \u201czaman\u0131n okunu\u201d tersine \u00e7eviriyor gibi g\u00f6r\u00fcn\u00fcyor; yani do\u011fal s\u00fcre\u00e7lerin ileriye do\u011fru akt\u0131\u011f\u0131, terse d\u00f6nmedi\u011fi fikrini (SN: 7\/25\/15, s.15).<\/p>\n
\u201cZaman\u0131n oku\u201dnun varl\u0131\u011f\u0131 termodinami\u011fin ikinci yasas\u0131ndan \u00e7\u0131kar. Yasa, entropinin veya d\u00fczensizli\u011fin zaman i\u00e7inde artma e\u011filiminde oldu\u011funu belirtmektedir. Bu yasa, bir cam\u0131 k\u0131rman\u0131n neden kolay, ancak tekrar bir araya getirmenin neden zor oldu\u011funu ve \u0131s\u0131n\u0131n neden kendili\u011finden s\u0131caktan so\u011fuya do\u011fru akt\u0131\u011f\u0131n\u0131, fakat neden ters y\u00f6nde akmad\u0131\u011f\u0131n\u0131 a\u00e7\u0131klar.<\/p>\n
Bununla birlikte, Almanya\u2019daki Erlangen-N\u00fcrnberg \u00dcniversitesi\u2019nde teorik fizik\u00e7i olan \u00e7al\u0131\u015fma yazar\u0131 Eric Lutz,\u00a0 \u201cyeni \u00e7al\u0131\u015fman\u0131n zaman okunun mutlak bir kavram de\u011fil, g\u00f6receli bir kavram oldu\u011funu g\u00f6sterdi\u011fini; farkl\u0131 sistemlerin farkl\u0131 y\u00f6nleri i\u015faret eden zaman oklar\u0131na sahip olabilece\u011fini\u201d s\u00f6yl\u00fcyor. \u00d6rne\u011fin, ara\u015ft\u0131rmac\u0131lar taraf\u0131ndan incelenen iki kuantum par\u00e7ac\u0131\u011f\u0131 i\u00e7in \u201cok\u201d a\u00e7\u0131k\u00e7a tersine d\u00f6nm\u00fc\u015fken, laboratuvar\u0131n geri kalan\u0131nda kendi tipik y\u00f6n\u00fcn\u00fc i\u015faret ediyordu.<\/p>\n
Zaman\u0131n okunu tersine \u00e7evirmek, kuantum par\u00e7ac\u0131klar\u0131 i\u00e7in m\u00fcmk\u00fcn oldu, \u00e7\u00fcnk\u00fc bu par\u00e7a\u00e7\u0131klar birbirleriyle ili\u015fkilendirildi. \u00d6zellikleri, b\u00fcy\u00fck nesneler i\u00e7in m\u00fcmk\u00fcn olmayan, ama kuantum dolan\u0131kl\u0131ktaki kadar g\u00fc\u00e7l\u00fc olmasa da bu fenomene benzer \u015fekilde ili\u015fkilendirildi. Bu ili\u015fkilendirilme, par\u00e7ac\u0131klar\u0131n baz\u0131 bilgileri payla\u015ft\u0131\u011f\u0131 anlam\u0131na gelmektedir. Termodinamikte bilgi, fiziksel bir \u00f6neme sahiptir (SN: 5\/28\/16, s. 10).\u00a0 Ara\u015ft\u0131rmaya kat\u0131lmayan Oxford \u00dcniversitesi\u2019nden fizik\u00e7i David Jennings, \u201c\u0130li\u015fkilerin formunda bir d\u00fczen var,\u201d diyor, \u201c\u0131s\u0131 geri d\u00f6n\u00fc\u015f\u00fcm\u00fcn\u00fc sa\u011flamak i\u00e7in t\u00fcketilebilecek yak\u0131ta benzeyen bir d\u00fczen.\u201d<\/p>\n
Brezilya Santo Andr\u00e9\u2019de ABC Federal \u00dcniversitesi\u2019nden fizik\u00e7i Roberto Serra\u2019n\u0131n y\u00f6netti\u011fi deneyciler, karbon, hidrojen ve klor atomlar\u0131ndan olu\u015fan kloroform molek\u00fcllerini manip\u00fcle etti. Biliminsanlar\u0131, molek\u00fcllerin s\u0131cakl\u0131\u011f\u0131n\u0131, bir atomun \u00e7ekirde\u011finin daha y\u00fcksek bir enerji durumunda bulunma olas\u0131l\u0131\u011f\u0131n\u0131 de\u011ferlendirerek, hidrojen \u00e7ekirde\u011finde karbon \u00e7ekirde\u011finden daha fazla olacak \u015fekilde haz\u0131rlad\u0131lar. \u0130ki \u00e7ekirde\u011fin enerji durumu birbiriyle ili\u015fkili olmad\u0131\u011f\u0131nda, \u0131s\u0131 normalde oldu\u011fu gibi s\u0131cak hidrojenden so\u011fuk karbona akar. Fakat iki \u00e7ekirdek, yeterince g\u00fc\u00e7l\u00fc kuantum ili\u015fkisine sahip oldu\u011funda, \u0131s\u0131 geriye do\u011fru akarak s\u0131cak \u00e7ekirde\u011fi daha s\u0131cak ve so\u011fuk \u00e7ekirde\u011fi daha so\u011fuk hale getirdi.<\/p>\n
Oxford \u00dcniversitesi\u2019nde bir fizik\u00e7i olan Vlatko Vedral, \u201cSonu\u00e7lar fizik yasalar\u0131na ayk\u0131r\u0131\u00a0 de\u011fil\u201d diye belirtiyor. Termodinami\u011fin standart ikinci yasas\u0131, b\u00f6yle bir ili\u015fki bulunmad\u0131\u011f\u0131n\u0131 varsayar. \u0130kinci yasa, ili\u015fkilendirilmeleri hesaba katmak i\u00e7in genelle\u015ftirildi\u011finde, kanun ge\u00e7erlili\u011fini korur. Is\u0131 akarken, iki \u00e7ekirdek aras\u0131ndaki ili\u015fkiler, ters \u0131s\u0131 ak\u0131\u015f\u0131na ba\u011fl\u0131 olarak entropinin azalmas\u0131n\u0131 dengeleyen bir s\u00fcre\u00e7 olarak da\u011f\u0131l\u0131r.<\/p>\n
\u0130ngiltere Nottingham \u00dcniversitesi\u2019nden fizik\u00e7i Gerardo Adesso da, \u201c\u00c7ok g\u00fczel bir deney,\u201d diyor, \u201cfakat teorik fizik\u00e7iler b\u00f6yle bir etkinin olu\u015fabilece\u011fini \u00f6nceden tahmin etmi\u015flerdi, tamamen \u015fa\u015f\u0131rt\u0131c\u0131 de\u011fil\u201d diye de ekliyor.<\/p>\n
Serra, biliminsanlar\u0131n\u0131n k\u00fc\u00e7\u00fck \u00f6l\u00e7eklerde \u0131s\u0131 ak\u0131\u015f\u0131n\u0131 kontrol edebilecek makineler gibi, kuantum par\u00e7ac\u0131klar\u0131n\u0131n tuhaf termodinamiklerini kullanarak tipik makinalar\u0131n yapamad\u0131\u011f\u0131 i\u015fleri yapabilecek kuantum makineler yapmay\u0131 umdu\u011funu s\u00f6yl\u00fcyor.<\/p>\n","protected":false},"excerpt":{"rendered":"
Fincanda so\u011fumu\u015f kahveniz, kendini aniden \u0131s\u0131tmaz. Ancak ayn\u0131 kural, kuantum sistemleri i\u00e7in ge\u00e7erli de\u011fildir. Ara\u015ft\u0131rmac\u0131lar\u0131n arXiv.org\u2019a bildirdiklerine g\u00f6re, so\u011fuk bir havan\u0131n kupay\u0131 \u0131s\u0131tmas\u0131 gibi, belli ko\u015fullar alt\u0131nda, s\u0131cakl\u0131k, so\u011fuk bir kuantum par\u00e7ac\u0131\u011f\u0131ndan daha s\u0131cak bir kuantum par\u00e7ac\u0131\u011f\u0131na do\u011fru akabilir. Bu fenomen \u201czaman\u0131n okunu\u201d tersine \u00e7eviriyor gibi g\u00f6r\u00fcn\u00fcyor; yani do\u011fal s\u00fcre\u00e7lerin ileriye do\u011fru akt\u0131\u011f\u0131, terse d\u00f6nmedi\u011fi […]<\/p>\n","protected":false},"author":427,"featured_media":17974,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2147,19,26],"tags":[288,328,2155,2156],"class_list":["post-17973","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-167-sayi","category-bilim-gundemi","category-fizik","tag-fizik","tag-kuantum-fizigi","tag-kuantum-parcaciklari","tag-zamanin-oku"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t