Cov kws tshawb fawb tau ua ib kauj ruam mus rau kev tsim cov cuab yeej muaj zog uas siv tauSib nqus them nyiaj los ntawm kev tsim thawj zaug peb-dimensional replica ntawm cov khoom hu ua spin-ice.
Spin ice cov ntaub ntawv tsis tshua muaj qhov txawv txav vim tias lawv muaj qhov tsis xws luag uas coj zoo li ib tus ncej ntawm cov hlau nplaum.
Cov hlau nplaum ib leeg no, tseem hu ua magnetic monopoles, tsis muaj nyob hauv qhov;thaum txhua yam khoom sib nqus raug txiav rau hauv ob nws yuav ib txwm tsim cov hlau nplaum tshiab nrog rau sab qaum teb thiab sab qab teb ncej.
Tau ntau xyoo cov kws tshawb fawb tau saib deb thiab dav rau cov pov thawj ntawm qhov tshwm simSib nqus monopoles nyob rau hauv kev cia siab ntawm thaum kawg pab pawg neeg lub hauv paus rog ntawm xwm mus rau hauv lub thiaj li hu txoj kev xav ntawm txhua yam, muab tag nrho cov physics nyob rau hauv ib lub ru tsev.
Txawm li cas los xij, nyob rau hauv xyoo tas los no, physicists tau tswj los tsim cov khoom tsim tawm ntawm cov hlau nplaum monopole los ntawm kev tsim cov khoom siv ob sab-siv-dej.
Txog rau hnub tim cov qauv no tau ua tiav kev ua tiav ntawm cov hlau nplaum sib nqus, tab sis nws tsis tuaj yeem tau txais tib lub physics thaum cov khoom raug kaw rau ib lub dav hlau.Tseeb tiag, nws yog qhov tshwj xeeb ntawm peb-dimensional geometry ntawm spin-ice lattice uas yog qhov tseem ceeb rau nws lub peev xwm txawv txawv los tsim cov qauv me me uas ua kom zoo nkauj.Sib nqusmonopoles.
Nyob rau hauv ib txoj kev tshawb fawb tshiab tshaj tawm hnub no hauv Nature Communications, ib pab neeg coj los ntawm cov kws tshawb fawb ntawm Cardiff University tau tsim thawj zaug 3D replica ntawm cov khoom siv dej khov nab kuab uas siv hom 3D luam ntawv thiab ua tiav.
Pab neeg no hais tias 3D luam ntawv thev naus laus zis tau tso cai rau lawv los kho cov duab geometry ntawm cov khoom siv dag zog, txhais tau tias lawv tuaj yeem tswj tau txoj kev sib nqus monopoles tsim thiab txav mus los hauv cov tshuab.
Muaj peev xwm los tswj cov mini monopole hlau nplaum hauv 3D tuaj yeem qhib tag nrho cov tswv cuab ntawm cov ntawv thov lawv hais, los ntawm kev txhim kho lub computer cia mus rau kev tsim cov 3D suav cov tes hauj lwm uas ua raws li cov qauv neural ntawm tib neeg lub hlwb.
"Rau ntau tshaj 10 xyoo cov kws tshawb fawb tau tsim thiab kawm txuj ci dag spin-ice hauv ob qhov ntev.Los ntawm kev txuas cov tshuab no mus rau peb-dimensions peb tau txais ntau qhov tseeb dua sawv cev ntawm spin-ice monopole physics thiab muaj peev xwm kawm txog qhov cuam tshuam ntawm qhov chaw, "said tus thawj coj ntawm Dr. Sam Ladak los ntawm Cardiff University's School of Physics thiab Astronomy.
"Qhov no yog thawj zaug uas ib tus neeg tuaj yeem tsim qhov tseeb 3D replica ntawm cov dej khov nab kuab, los ntawm kev tsim, ntawm nanoscale."
Cov khoom siv dag zog tau tsim los siv cov txheej txheem 3D nanofabrication hauv lub xeev uas cov nanowires me me tau muab tso rau hauv plaub txheej hauv cov qauv lattice, uas nws tus kheej ntsuas tsawg dua tib neeg cov plaub hau dav dav.
Ib hom tshwj xeeb ntawm microscopy hu ua magnetic force microscopy, uas yog rhiab heev rau cov hlau nplaum, tau siv los pom cov nqi sib nqus tam sim no ntawm lub cuab yeej, tso cai rau pab neeg taug qab kev txav ntawm ib leeg-ncej hlau nplaum hla cov qauv 3D.
"Peb txoj haujlwm tseem ceeb vim nws qhia tau hais tias nanoscale 3D luam ntawv thev naus laus zis tuaj yeem siv los ua cov khoom siv uas feem ntau yog ua los ntawm chemistry," txuas ntxiv Dr. Ladak.
"Thaum kawg, txoj haujlwm no tuaj yeem muab txoj hauv kev los tsim cov khoom siv hlau nplaum tshiab, qhov twg cov khoom siv tau raug kho los ntawm kev tswj hwm 3D geometry ntawm cov lattice dag.
"Magnetic storage devices, xws li hard disk drive lossis magnetic random access memory devices, is another area that could be largely impacted by this breakthrough.Raws li tam sim no cov cuab yeej siv tsuas yog ob ntawm peb qhov loj me muaj, qhov no txwv cov ntaub ntawv uas tuaj yeem khaws cia.Txij li thaum cov monopoles tuaj yeem txav mus los ntawm 3D lattice siv lub tshuab sib nqus nws tuaj yeem tsim tau qhov tseeb 3D cia khoom raws li cov khoom sib nqus. "
Post lub sij hawm: May-28-2021