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1120公里!“墨子号”再创佳绩

2019-06-28 07:41 
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zaixizangaliguancezhan,“mozihao”liangzikexueshiyanweixingguojing,keyanrenyuanzaizuoshiyan(hechengzhaopian)。 xinhuashejizhe jinliwangshe

1120gongli!jinri,“mozihao”liangzikexueshiyanweixingzailixingong: kexuejiamenliyong“mozihao”zuoweiliangzijiuchanyuan,xiangyaoyuandeliangdifenfaliangzijiuchan,zaiguojishangshoucishixianleqiangonglijijiyujiuchandeliangzimiyaofenfa——weiliangzitongxinzouxiangxianshiyingyongdiandinglezhongyaojichu。

jinri,kexuejiamenliyong“mozihao”zaiguojishangshoucishixianleqiangonglijijiyujiuchandeliangzimiyaofenfa。gaishiyanchengguobujinjiangyiwangdimianwuzhongjiliangzibaomitongxindekongjianjulitigaoleyigeshuliangji,gengzhongyaodeshi,tongguowuliyuanliquebaolejishizaiweixingbeitafangkongzhidejiduanqingkuangxia,yirannenggoushixiananquandeliangzitongxin,weiliangzitongxinzouxiangxianshiyingyongdiandinglezhongyaojichu。

彩票官网gaishiyanyouzhongguokexuejishudaxuepanjianweijiqitongshi,lianheniujindaxueatuer·aikete、zhongguokexueyuanshanghaijishuwuliyanjiusuowangjianyutuandui、weixiaoweixingchuangxinyanjiuyuan、guangdianjishuyanjiusuodengxiangguantuanduiyiqiwancheng。gaichengguoyiyujinrizaixianfabiaozaiguojidingjixueshuqikan《ziran》zazhishang。

无条件安全的量子通信

彩票官网liangzishigouchengwuzhidezuijibendanyuan,shinengliangdejibenxiedaizhe,wufabeifengehefuzhi。duiyurenmenlaishuo,suoyoudajiasuoshuzhidefenzi、yuanzi、dianzi、guangzidengweiguanlizi,doutongchengweiliangzi。tongchang,guangzibeiyonglaizhibeiliangzi。

suoweiliangzimiyaofenfa,jiandanshuo,jizaiyaoyuanliangdideyonghujianshengchengbinganquangongxiangyizuliangzimiyao,weisuochuanshudeerjinzhixinxijiami。zheizhongliangzitongxinfangshizhisuoyibeikexuejiamenjiyuhouwang,shiyinweichulexinxidefasong、jieshoufang,ruguoyoudisanfangshitufuzhihuoqietingliangzimiyao,zetongxindeshuangfangbianhuilikechajue。

zheiyixinxingtongxinfangshideshixian,zhengshijiyuliangzidiejiahebukefuzhidetexing。genjujingdianwulixue,yigeketi,birumao,qizhuangtaizhiyouliangzhong,yaomeshisheng,yaomeshisi。danzailiangzishijiezhong,zheizhimaoquekeyichuyuyoushengyousidediejiazhuangtai。buguo,zheizhongdiejiataijiqicuiruo,yidanyourenquceliang,qizhuangtai(youshengyousi)mashangjiuhuifashenggaibian,erbuzaishiyuanlaideneizhimaole。huanjuhuashuo,ruguoyourenshituqietingliangzimiyao,xuyaoshixianceliangchuansongmiyaodeliangzizhuangtai,raner,cuiruodediejiataidaozhiliangzizishenyidanbeicelianghuozhefuzhi,jiuhuilikegaibianyuanyouzhuangtai,congerbeitongxinshuangfangchajue。

“liangzitongxinkefulejingdianjiamijishuneizaideanquanyinhuan,yinweiqianquanxingbuyilaiyujisuanfuzadu,zheishizaiyuanlishangwutiaojiananquandeyizhongtongxinfangshi,yidancunzaiqietingbiranbeifaxian。”panjianweishuo。

彩票官网zaipanjianweikanlai,liangzimiyaofenfa,jiuhaobiyigerenxiangyaochuandimimijilingwaiyigeren,xuyaobacunfangmimidexiangziyuyibayaochichuanjijieshoufang。jieshoufangzhiyouyongzheibayaochidakaixiangzi,cainengqudaomimi。meiyouzheibayaochi,bierenwufadakaixiangzi,eryidanzheibayaochibeibierendongguo,chuansongzhejiuhuilikefaxian——yuanyouyaochihuizuofei,zaijiyibaxindeyaochi,zhidaoquebaojieshoufangbenrennadao。

“liangzijishu,qijibengainianjiushiliyongliangziwulidinglvcaozongweiguanwuzhi,biruyuanzi、fenzihedianzi,congerhuodehongguanwuzhishijiewufashixiandegongneng,qizhongdeliangzimimaxuezhengshizheipianlunwensuoshejideguanjian。lilunshang,jingguoliangzijiamidetongxinshiwufabeiqietingde。”ziranjituanfuzongcaiyangxiaohongbiaoshi。

实际应用面临挑战

lixianghenfengman,xianshihengugan。yuanlishangwutiaojiananquandeliangzitongxin,yaocongshiyanshizouxiangguangfanyingyong,rengmianlinliangdatiaozhan: yishiyuanjulichuanshudailaidexinhaosunhao;ershixianshiqijian,ruguangyuan、tanceqidengbuwanmeidailaideanquanxingloudong。yinci,yaozaixianshitiaojianxiashixianyuanjulideliangzitongxin,bingfeitingqilaineimejiandan。

yixinhaosunhaoweili。kexuejiamenyibanshiyongdanguangzizuoweiwulizaitilaichuanshumiyao,danyinweidanguangzixinhaobunengbeifangda,zaijiashangchuanshuxindao——guangxianduidanguangzidexishou,suizhechuanshujulidelazhang,danguangzixinhaosunhaochengzhishuzengzhang。tongguo30yunianjianchibuxiedenuli,rujin,guojixueshujiezaishiyanshizhongjiangdianduidianguangxianliangzimiyaofenfadejulitigaodaole500gongli。

ruheshixiangengyuanjulideliangzitongxin?shiyongkexinzhongjishiyigexingzhiyouxiaodefangfa。shenmeshikexinzhongji?panjianweirenweikeyilijiewei“jielipao”: danguangzizaiguangxianzhongcongadiyaopaodaobdi,kepaozhepaozhemeiliqile,zheishijiukeyishezhigezhidexinlaidejiedianrangmiyao“luodi”yixia,zaiyouqitaguangzijiezhexiangqianpao。biru,liyong“mozihao”zuoweizhongji,zhongguokexuejiazaiziyoukongjianxindaoshixianle7600gonglidezhoujitongxin。

“lilunshangjiang,zhiyaomeiyourenpadaoweixingshangquqieting,neime,caipiaoguanwangdetongxinjiushianquande。danshi,zheixiezhongjijiediandeanquanrengranxuyaodedaorenweibaozhang。”panjianweijulegelizi: ruguorenmenshiyongweixingzuoweizhongjijiedian,weixingjiuzhangwozheyonghufenfadequanbumiyao。ruciyilai,biandailailelingwaiyigewenti: jiaruzheigeweixingshibieguozhizaode,jiukenenghuicunzaixinxixieludefengxian。

彩票官网neime,ruhebimianzheiyikenengcunzaideqianzaifengxian?2017nian,“mozihao”shoucishixianqiangongliliangjideziyoukongjianliangzijiuchanfenfa,yuanmanwanchenglejidingkexuemubiao。cishi,panjianweimengshengleyigexindexiangfa: fasheyikeweixinghualebushaojingfei,kebukeyichangshiyixialiyong“mozihao”zuoweiliangzijiuchanyuan,erbushiliangzimiyaodezhongjidian,shixianjiyujiuchandeyuanjuliliangzimiyaofenfa?

彩票官网jiyujiuchandeliangzimiyaofenfadeyuanlishi,wulunchuyujiuchanzhuangtaidelianggelizizhijianxianggeduoyuan,zhiyaoceliangleqizhongyigelizidezhuangtai,lingyigelizidezhuangtaiyehuixiangyingqueding。“liyongzheiyitexing,caipiaoguanwangkeyizaiyaoyuanliangdideyonghujianzhijieshengchengbinganquangongxiangyizuliangzimiyao,weisuochuanshudeerjinzhixinxijiami。”panjianweibiaoshi。

实现安全通信重要一步

xiangzhekexuedegaofengnulibenpao,jiyu“mozihao”liangziweixingdeqianqishiyangongzuoyujishujilei,yanjiutuanduitongguoduidimianwangyuanjingzhuguangxueyuhouguanglujinxingshengji,shixianledanbianshuangbei、shuangbiansibeijieshouxiaolvdetisheng。

彩票官网youlejishudezhicheng,“mozihao”liangziweixingguojingshi,tongshiyuxinjiangwulumuqinanshanzhanheqinghaidelinghazhanlianggedimianzhanjianliguanglianlu,yimeimiao2duiguangzidesuduzaidimianchaoguo1120gonglidelianggezhanzhijianjianliliangzijiuchan,jinerzaiyouxianmazhangxiayimeimiao0.12bitedezuizhongmasulvchanshengmiyao。

“zaigaishiyanzhong,weixingzuoweiliangzijiuchanyuan,zhifuzefenfaliangzijiuchan,buzhangwoliangzimiyaoderenhexinxi;yonghujiandemiyaoshitongguoliangzijiuchanzhijiechanshengde,buzaixuyaoweixingdezhongzhuan。”panjianweishuo,youyuduijiuchanlizideceliangzuihoushiyouyonghuduanlaijinxing,genjuliangzijiuchantexing,jishijiuchanyuanyoubukexindetafangtigong,zhiyaoyonghujianzuizhongjiancedaoliangzijiuchan,jiukeyichanshenganquandemiyao。suoyi,liangzitongxinyuanduanbuwanmeidailaideanquanwentikeyidedaowanquanjiejue,zuizhongquebaoleliangzitongxindexianshianquanxing。

duici,《ziran》zazhishengaorenchengzangaigongzuo,“buyilaikexinzhongjidezhangjulijiuchanliangzimiyaofenfaxieyideshiyanshixianshiyigelichengbei。”panjianweitanyan,gangfashe“mozihao”weixingshi,zijiyebuganhuanxiangnengqudejintiandechengguo,yilu“bianzoubianxiadan”,zuizhongyoulezheiyizhongyaokeyantupo。“raner,zheicikeyanchengguomuqianzhishikexueshangdeyuanliyanshi,julishijiyingyongrengyouhenzhangdeluyaozou。”panjianweishuo。

guanyuxiayibudefazhan,tashuo,jiehezuixinfazhandeliangzijiuchanyuanjishu,weilaiweixingshangkemeimiaochansheng10yiduijiuchanguangzi,zuizhongmiyaochengmalvjiangtigaodaomeimiaojishibitehuodanciguojingjiwanbite。jieshi,anquandeliangzitongxindemengxiangjiangyouwangzhaojinxianshi。(jizhe shen hui)

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