Ko te whanaketanga o tētahi rorohiko irahiko ka taea te whakaoti rapanga, e kore nei e taea e ngā rorohiko tawhito te whakaoti mā te kaha nui, mā te kore rānei e whakaoti—koinei te whāinga e whaia ana e te tini o ngā tīma rangahau puta noa i te ao. Ko te take: Mā ngā pānga irahiko, e ahu mai ana i te ao o ngā matūriki me ngā hanganga iti rawa, ka taea ai te whakamahi i ngā tono hangarau hou. Ko ngā mea e kiia nei ko ngā superconductors, e taea ai te tukatuka i ngā mōhiohio me ngā tohu e ai ki ngā ture o te miihini irahiko, e kiia ana he wāhanga whai hua mō te whakatinana i ngā rorohiko irahiko. Heoi, ko tētahi āhuatanga uaua o ngā hanganga nano superconducting, he iti noa iho te pāmahana e mahi ai, nō reira he uaua ki te whakamahi ki ngā tono mahi. googletag.cmd.push(function() { googletag.display('div-gpt-ad-1449240174198-2′); });
Nā ngā kairangahau o Te Whare Wānanga o Münster me Forschungszentrum Jülich i whakaatu, mō te wā tuatahi, i te mea e mōhiotia ana ko te inenga pūngao i roto i ngā waea nano i hangaia mai i ngā superconductors pāmahana-tiketike—arā, ko ngā superconductors, e teitei ake ana te pāmahana i raro iho i te pāmahana e kaha ake ana ngā pānga miihini irahiko. Kātahi ka whakaarohia e te waea nano superconducting ngā āhua pūngao kua tohua anake ka taea te whakamahi hei whakawaehere i ngā mōhiohio. I roto i ngā superconductors pāmahana-tiketike, i taea hoki e ngā kairangahau te tirotiro mō te wā tuatahi i te mimiti o tētahi photon kotahi, he matūriki mārama e mahi ana hei tuku mōhiohio.
"I tētahi taha, ka taea e ā mātou hua te whai wāhi ki te whakamahinga o te hangarau whakamatao kua tino māmā ake i roto i ngā hangarau irahiko ā muri ake nei, ā, i tētahi atu taha, ka tukuna mai he māramatanga hou ki ngā tukanga e whakahaere ana i ngā āhua superconducting me ō rātou āhuatanga, kāore anō kia mārama," te whakanui a te kaiārahi o te rangahau, a Hune Ahorangi Carsten Schuck o te Institute of Physics i Te Whare Wānanga o Münster. Nō reira, tera pea he mea nui ngā hua mō te whanaketanga o ngā momo hangarau rorohiko hou. Kua whakaputaina te rangahau ki te puka Nature Communications.
I whakamahia e ngā kaipūtaiao ngā superconductors i hangaia mai i ngā huānga yttrium, barium, copper oxide me te oxygen, YBCO rānei mō te poto, ā, i hangaia ai e rātou ētahi waea angiangi nanometer. Ina whakahaerehia e ēnei hanganga te iahiko hiko, ka puta ngā āhuatanga ā-tinana e kiia nei ko te 'phase slips'. Mō ngā waea nano YBCO, ka puta ngā rerekētanga o te mātotoru o te kawe utu i ngā rerekētanga o te supercurrent. I rangahauhia e ngā kairangahau ngā tukanga i roto i ngā waea nano i ngā pāmahana i raro i te 20 Kelvin, e rite ana ki te minus 253 nekehanga Celsius. I te taha o ngā tātaitanga tauira, i whakaatuhia e rātou he inenga o ngā āhua pūngao i roto i ngā waea nano. Ko te pāmahana i uru ai ngā waea ki te āhua kuantum i kitea i te 12 ki te 13 Kelvin—he pāmahana e hia rau ngā wā teitei ake i te pāmahana e hiahiatia ana mō ngā rauemi e whakamahia ana. Nā tēnei i taea ai e ngā kaipūtaiao te whakaputa i ngā resonators, arā, ngā pūnaha oscillating kua whakaritea ki ngā auau motuhake, me te roa ake o te ora me te pupuri i ngā āhua miihini kuantum mō te wā roa. He whakaritenga tēnei mō te whanaketanga roa o ngā rorohiko kuantum nui ake.
Ko ētahi atu wāhanga nui mō te whanaketanga o ngā hangarau irahiko, engari tera pea mō ngā tātaritanga hauora anō hoki, ko ngā taputapu kite ka taea te rēhita tae atu ki ngā ira-kotahi. Kua maha ngā tau e mahi ana te rōpū rangahau a Carsten Schuck i Te Whare Wānanga o Münster ki te whakawhanake i aua taputapu kite ira-kotahi i runga i ngā superconductors. Ko te mea kua pai te mahi i ngā pāmahana iti, kua neke atu i te tekau tau ngā kaipūtaiao puta noa i te ao e ngana ana ki te whakatutuki me ngā superconductors pāmahana-tiketike. I roto i ngā waea nano YBCO i whakamahia mō te rangahau, kua angitu tēnei nganatanga mō te wā tuatahi. "Ko ā mātou kitenga hou e whakatuwhera ana i te ara mō ngā whakaahuatanga ariā hou ka taea te whakamana i te whakamātautau me ngā whanaketanga hangarau," te kī a te kaituhi tahi a Martin Wolff o te rōpū rangahau a Schuck.
Ka taea e koe te māia ka aro turukihia e ā mātou ētita ia urupare e tukuna ana, ā, ka mahi i ngā mahi e tika ana. He mea nui ki a mātou ō whakaaro.
Ka whakamahia tō wāhitau īmēra hei whakamōhio noa i te kaiwhiwhi ko wai te kaituku īmēra. Kāore tō wāhitau me te wāhitau o te kaiwhiwhi e whakamahia mō tētahi atu kaupapa. Ka puta ngā mōhiohio ka tāuruhia e koe ki roto i tō karere īmēra, ā, kāore e puritia e Phys.org i roto i tētahi āhua.
Whiwhi whakahōutanga ā-wiki, ā-rā rānei, ka tukuna ki tō pouakaroto. Ka taea e koe te whakakore i tō ohaurunga i ngā wā katoa, ā, e kore rawa mātou e tohatoha i ō taipitopito ki ētahi atu rōpū tuatoru.
Ka whakamahia e tēnei pae ngā pihikete hei āwhina i te whakatere, hei tātari i tō whakamahinga o ā mātou ratonga, me te whakarato ihirangi mai i ngā rōpū tuatoru. Mā te whakamahi i tā mātou pae, e whakaae ana koe kua pānuihia e koe, kua mārama hoki ki tā mātou Kaupapahere Tūmataiti me ngā Ture Whakamahi.
Wā tuku: Paenga-whāwhā-07-2020