Mafunso Ofunsidwa Kwambiri
Mafunso wamba pa za tachyon, ayankhidwa
Maziko
Kodi tachyon ndi chiyani kwenikweni?
Tachyon ndi chinthu cholingalira chomwe chimayenda mwachangu kuposa liwiro la kuwala nthawi zonse. Mosiyana ndi zinthu wamba zomwe sizingafikire liwiro la kuwala, tachyon sangalepheretse ku liwiro la kuwala - alipo nthawi zonse mu dera lofulumira kuposa kuwala. Mawu amenewo achokera ku Chigriki "tachys" kutanthauza mwachangu.
Kodi tachyon alipo kwenikweni?
Palibe umboni wa kayesero wa tachyon womwe wapezeka ngakhale patapita zaka zambiri zofufuza. Amakhalabe monga tinthu ta chiphunzitso chabe tomwe ndi osatheka mu masamu mu relativiti yapadera koma amakumana ndi zovuta zazikulu pakagwirizanitsidwa ndi ziphunzitso zina za fizikisi. Akatswiri ambiri a fizikisi amakhulupirira kuti mwina palibe monga tinthu teniteniteni.
Ndani anapeza tachyon?
Tachyon sanapezeka - anangonena. Katswiri wa fizikisi Gerald Feinberg anapanga mawu ndipo analemba chiphunzitso cha tachyon mu zolemba zake za 1967 "Possibility of Faster-Than-Light Particles." E.C.G. Sudarshan payekha anapanga malingaliro ofanana pa nthawi yomweyo.
Fizikisi ndi Makhalidwe
Chifukwa chiyani tachyon ali ndi kulemera kolingalira?
Mu relativiti yapadera ya Einstein, mgwirizano pakati pa mphamvu, momentum, ndi kulemera umafuna kuti tinthu tofulumira kuposa kuwala zikhale ndi kulemera kolingalira kokhazikika. Izi sizimatanthauza kuti ndi "zolingalira" mu njira ya kusakhala zenizeni, koma ndi khalidwe la masamu lofunikira kuti ma equation agwire ntchito. Kulemera kolingalira kumalola tachyon kukhala ndi mphamvu ndi momentum zenizeni pamene amayenda mwachangu kuposa kuwala.
Kodi kuyenda mwachangu kuposa kuwala kumaononga chiphunzitso cha relatibiti cha Einstein?
Ayi, tachyon saononga relativiti yapadera - amavomerezana ndi masamu ake. Chiphunzitso cha Einstein chimanena kuti palibe chomwe chingafulumitsidwe kuchoka pansi pa liwiro la kuwala kupita pamwamba pa liwiro la kuwala, osati kuti palibe chomwe chingakhaleko choyenda mwachangu kuposa kuwala. Komabe, amabweretsa mafunso aakulu pa za chifukwa.
Kuyenda mu Nthawi ndi Chifukwa
Kodi tachyon angagwiritsidwe ntchito pa kuyenda mu nthawi?
Mu chiphunzitso, tachyon amaoneka kuyenda m'mbuyo mu nthawi mu ma frame a reference ena malinga ndi relativiti yapadera. Komabe, izi sizimatanthauza kuti angagwiritsidwe ntchito pa kuyenda mu nthawi kwenikweni. Akatswiri ambiri a fizikisi amakhulupirira kuti ngakhale tachyon alipo, pali mfundo zomwe zimateteza kugwiritsira ntchito kwawo pa kutumiza chidziwitso ku nthawi yakale.
Kodi "mfundo ya kutanthauzira" ndi chiyani?
Yonenedwa ndi Gerald Feinberg, mfundo iyi imalingalira kuti tachyon yomwe imayenda m'mbuyo mu nthawi mu frame ya reference imodzi angaonedwe ngati anti-tachyon yomwe imayenda kutsogolo mu nthawi mu frame ina. Izi zimathandiza kusunga kukhazikika kwina, koma sizimathetsa mavuto onse a chifukwa.
Kupeza ndi Kuyang'ana
Kodi asayansi amafufuza bwanji tachyon?
Ofufuza amafufuza tachyon m'njira zambiri: kuyeza liwiro la tinthu mu ma accelerator, kusanthula nthawi ya cosmic ray, kufufuza tinthu tokhala ndi kulemera kwa modzi m'modzi kosatsimikiza, kufufuza vacuum Cherenkov radiation, ndi kuyang'ana zochitika za nyenyezi. Ngakhale atafufuza kwazaka zambiri, palibe tachyon yomwe yapezeka.
Kodi neutrino ndi tachyon?
Ayi. Ngakhale kayesero ena oyambirira a neutrino analingalira mitengo ya kulemera kwa modzi m'modzi yosatsimikiza, mayeso a precishoni amakono atsimikiza kuti neutrino ali ndi kulemera kwakang'ono koma kwabwino. Kayesero ka KATRIN ndi ena anakankhira neutrino tachyonic mosatsimikizika.