Shin kun taɓa fatan za ku iya komawa cikin lokaci kuma ku canza shawararku? Idan da ilimi daga yau zai iya komawa baya tare da mu, za mu iya canza ayyukanmu don amfanin mu. A halin yanzu, irin wannan tafiye-tafiyen lokaci shine kayan almara, amma masu bincike guda uku sun nuna cewa ta hanyar yin amfani da ƙididdigar ƙididdiga, mutum na iya, aƙalla, ƙirƙira gwaje-gwajen da suka kwaikwayi shi.
Rubuta a cikin Takardun rubutun jiki, David Arvidsson-Shukur na Hitachi Cambridge Laboratory, UK; Aidan McConnell na Jami'ar Cambridge, UK; kuma Nicole Yunger Halpern na Cibiyar Ƙididdiga da Fasaha ta Ƙasar Amurka (NIST) da Jami'ar Maryland sun ba da shawarar saiti wanda mai gwaji ya aika da bayanai a cikin lokaci don sake dawowa - a sakamakon - canza ayyukansu ta hanyar da za ta samar da ma'auni mafi kyau. Abin ban sha'awa, 'yan ukun sun bayyana cewa irin wannan tafiye-tafiyen lokaci da aka kwaikwayi a cikin tsarin da ke tattare da juna na iya sauƙaƙe fa'idodin jiki waɗanda ba za su yuwu a cimma su a cikin tsarin gargajiya kawai ba.
Kimiyyar ma'auni
Yayin da ainihin tafiye-tafiye na baya baya hasashe ne, an gabatar da nau'ikan injina na ƙididdigewa da simulated na gwaji. Wani muhimmin sashi na waɗannan simintin shine wayar tarho, inda aka aika da wani yanayi daga matsakaicin matakin gwajin da kyau zuwa farkon. Don haka ya yiwu, dole ne a dunƙule jihohi. A wasu kalmomi, dole ne su raba nau'in haɗin ƙididdigewa wanda ya taso tsakanin ɓangarorin biyu (ko fiye) kamar yadda ba za a iya ayyana yanayin ɗaya ba tare da sauran (s).
Tun da waɗannan simintin tafiye-tafiyen lokaci sun dogara da injiniyoyi na ƙididdigewa, suna baiwa masu bincike damar yin tambayoyi masu ma'ana game da yanayi da fa'idodi, idan akwai, na tsarin ƙididdiga. A cikin sabon aikin, Arvidsson-Shukur, McConnell da Yunger Halpern suna yin hakan ne ta hanyar bincika fa'idodin tafiye-tafiye na baya. ƙididdigar ƙididdiga – filin kimiyyar lissafi wanda ke amfani da injiniyoyi masu yawa don yin ma'auni daidai.
Matsala ta ƙididdige ƙimar ƙididdigewa tana ma'amala tare da ƙididdige wasu sigogin da ba a san su ba na tsari ko tsari ta amfani da ƙididdiga na inji. Da zarar an shirya binciken kuma an yi su don yin hulɗa tare da tsarin, yadda yanayin yanayin binciken zai canza bayanai game da sigar da ba a sani ba. Manufar ita ce koyan bayanai da yawa gwargwadon yiwuwar kowane bincike.
Aunawa bayan zaɓi na iya taimakawa cikin wannan. A cikin wannan tsari, mai gwadawa yana yin ma'auni sannan, dangane da sakamakon, ya zaɓi ya haɗa ko cire wasu sakamakon gwaji daga bincike. Wannan yana tattara bayanan da aka koya kowane bincike.
A baya, Arvidsson-Shukur, Yunger Halpern da abokan aikinsu nuna cewa a cikin tsarin ƙididdigewa, zabar mafi kyawun yanayin shigar da bayanai na iya baiwa ƙwararren gwaji damar samun ƙarin bayani akan kowane bincike fiye da yadda ake yi a al'ada. Duk da haka, yawanci ƙwararren ƙwararren yana koyon yanayin shigar da zai kasance mafi kyau sai bayan hulɗar ta faru. A cikin yanayi ba tare da tafiya na lokaci ba, wannan ba shi da kyau.
Amfanin tafiyar lokaci da aka kwaikwayi
Idan, duk da haka, mai gwajin gwajin ya ba da mafi kyawun yanayin shigar da baya a cikin lokaci ta hanyar magudi, ukun ya nuna cewa wannan na iya haifar da fa'idodin aiki na zamani. A cikin shawarwarin nasu, ƙwararren gwaji yana shirya nau'i-nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i) wanda ake kira A da C, tare da ƙarin qubit a matsayin bincike. Manufar ita ce auna ƙarfin hulɗar da ba a sani ba ta amfani da bincike. Da farko, mai gwada gwajin bai san mafi kyawun yanayin shigar da A. A mataki na farko, bincike da qubit A suna hulɗa. Bayanin game da sigar da ba a sani ba na hulɗar an ƙulla shi a cikin jihar binciken. A mataki na tsaka-tsaki, duk da haka, mai gwada gwajin yana auna yanayin qubit A. Wannan ma'aunin yana bayyana bayani game da mafi kyawun yanayin da ba a sani ba tukuna.
Bayan haka, mai gwajin gwajin yana amfani da wannan bayanin don shirya madaidaicin qubit D a cikin wannan yanayi mafi kyau. Sannan, suna auna yanayin haɗin gwiwa na qubits C da D. Idan wannan haɗin gwiwa bai dace da yanayin haɗin gwiwa na farko na A da C ba, ana watsar da ma'aunin daga bincike. Wannan yadda ya kamata ya fitar da yanayi inda mafi kyawun shirye-shiryen jihar D ta watsa shirye-shiryen telebijin zuwa ainihin yanayin qubit A. Tashar teleportation tana nuna cewa lokacin da masu gwaji suka auna binciken, suna yin rikodin mafi kyawun samun bayanai duk da cewa ba su shirya binciken a cikin mafi kyawun yanayi ba. .
Jagorar steampunk zuwa lissafin lissafi
Yayin gwajin, mai gwajin zai yi watsi da ma'auni da yawa waɗanda ba su dace ba. Hakan na iya zama kamar yana da tsada. Koyaya, ma'aunin da mai gwajin ya kiyaye - waɗanda ke da nasara ta wayar tarho - suna da babban fa'idar bayanai akan kowane bincike. Gabaɗaya, bayanan da aka samu daga ƴan ingantattun bincike sun zarce asarar da aka yi idan aka taƙaita gwaji da yawa.
Ko tafiya lokaci yana yiwuwa a zahiri ko a'a har yanzu ana muhawara. Koyaya, masu gwajin gwaji na iya amfani da injiniyoyi na ƙididdigewa da kwaikwayi tafiye-tafiyen lokaci a cikin dakin gwaje-gwaje don yin ma'auni daidai. Kamar yadda Arvidsson-Shukur, McConnell da Yunger Halpern suka kammala a cikin takardarsu, “Yayin da wasan kwaikwayo [tafiya-lokaci] ba sa barin ku komawa baya ku canza abin da kuka gabata, suna ba ku damar ƙirƙirar gobe mafi kyau ta hanyar gyara matsalolin jiya a yau.”
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- Source: https://physicsworld.com/a/simulations-of-time-travel-send-quantum-metrology-back-to-the-future/
