½ | ע
̬ ڽ ۺ
ǰλã > > > ʱ

ʱ

2015-2-16 11:21|鿴:5591|:0|:С

ʱ

ʱʱʱлԽʱյȣָ˻ijһʱƶһʱ㡣ʵϣе˶˳ʱһһȻǰʱеָΥȻʱ仯ķʽҪôǰңԶδҪôǻصȥ

ʱгΪϷС˵УڲͬʱеֶΡ

ʱ

ʱеѧ

ݰ˹̹ۣijЩ״粻ͬٶȡ£֮ʱٶȻ᲻ͬijϣԳƵǡϷһգ˼ǧꡱʱСķʽֻǰδصȥֵʱ봫ͳڿƻеĵ͡ʱСͬƻеʱн϶ɣȻΪϷԣҲƣ

ۣʱǿչģӹ۲ƶAŦԼǻɵԼ¬ȻٷɻŦԼBһֱŦԼϻóѵʱABͬAԣʵʱ١һһʱѧǡƶJoe Hafele顤͢Richard Keating֤ǽ߶ȾȷԭӷڷɻУȻ󽫶ʱڵȫһģһʱȽϡ֤ʵڷɻϵʱߵñʵȻַָʽõıһ뻹̵öӳԶԶʷɻͶԽIJкѧҽ˶ɵʱΪʱЧӦ˶ٶԽ죬ʱԽָֹĹ۲ģڸ˶Լûʲôͬԭ

϶˶ʱЧӦ˵ʱʲôϵأ˫һĽͣɯɽķһӣǾ԰˹̹ۣɯ2001ϻ99%10֮ɽķڼɯִĿĵʱͷͬٶȷɽķó̵ʱ䳤̴ԼΪ20꣬ɯʱȴͬ˵ó̻3꣬ԵصʱʱѱΪ2021꣬ɽķ17꣬˵ɯѾ͵ɽķ17δĿǰ̫մֻܵ0.01%١

ٶֻŤʱһַһַ˹̹1915ʱռӰС罫ִ밮˹̹Уֵᷢʱÿ3001΢롣1976꣬޲ءάأRobert VessotģMartin LevineάݽһöʱӵĻ䵽̫գȻڵϸءСʱ󣬻׹ʱӱȵʱӶԼ0.1΢롣ؽѹһĴС2ʱŤҲ2ѹȥİ뾶0.9ʱʱ佫ᡰֹͣûжѡڶʷ뾶

ʱѹᵼıǿӡлᷢѹ硰ѧȷڵDZϵʱӣߵñȵϵ30%ܹDZ򣬽ῴϵӿٶȣǿٷӳ¼ĿһǸʱ䣬ٶ

һΪǰңԶδǿܵģֻ㹻ķɴʱеĽۼ㡣Ҳԣǿĵطּ漰ۡעָѾֵȻṩЩⲢ˵ӼʽϣѾЩ顣԰΢δӵİ˥飩Ѻϴȵģδδʵ֡

ûȷصȥʹСȣǿܵġһ˵ֻҪ٣ܻصȥǿƻС˵ļʹýеٲɳԽǰҴڷУٱԽΪǿܵģʧЧκԤԡȷ򲻿ͨԽ٣ΪָٲɱԽķʽɻصȥĿꡣⲢûзñķʽɵĿԣ

⣬Ʋʹٶȳ٣ûнֹСһֱȹ˶족ʣӣڡʣϢҲȥϢ

ڹУһַʱߣclosed timelike curveCTCΪصȥʱۣѧҸ¶ļ㣬ȷĿǰѧоС

ϣҲʱΪ˼ʵĹߣһЩۣۡѧܲۡ໹ûʱУָǻصȥǰңԶδҲûκγɹʵ顣ⲢųصȥĿԡ

ʱеδ֪

ʱеˣᵽ֮ǡصȥɱ游㸸׳ǰ㻹𣿡˵Ҳʷһۣconsistent historiesͶΪ𡣷ʱеҲָδܹصȥôӦͿܶδĹ۹ˣԴˣʱе֧߶δطʱ֪жشҲ˻޷ıȥش𣨼ʹͼıҲãֲ򣬶ԼĹ涨޷Υɶۡ

ΣʱߵһܵijƵġ

游ĿԳɹعȥǻкֽعʱԶʷıĺЧӦأȻȻʱδǰܻصȥʱղıʷǾͬʱıδҲܲӰѾܵȥʱλڹȥʱյԼΪԼλⱻıʷʱǰˣȻʱԶδǰѶҲԶδǰӰıȥ˹ʹûصȥʱпƼȻ粻ԼıȥʷӰѾλڹȥʱյʱߣ˾û游۵ʱìܣͻȻıʷδҲ֪֪ܲʷ°汾ʷҲоijЩʱʶ֮Уɰ汾ʷѱı䲢Զʧ

ЩС˵еʱл漰ԡѧڶɡΥ˵صȥһöָ͸ijˣָġһöָ໥͵Ĺбʼ𣬷ʹ΢ĻˣҲΥɡһ̣ûа취˵ָԴЩѧƷȴġѧУڡȻʱģνȥδ˵һʱհö֪ӦȫʱɷֶΣǿܾѧڶɵ⡣

ȻĿǰʱлûκʵʵĿѧ֤ݣͬأĿǰѧҲ޷ųܻصȥģʱеĿԡ

ʹ

Ԥпͨij涴ڣصȥǿܵġӹ֪ʱǿԱŤģʱձŤ̫пܻصȥ򵥵˵ָʻһ̫մ涴ٴһ˳ͻִһʱա

ȻER=EPRĹʽEREPRͬһִڣѾ涴һʱ䣬Ŀǰ޷úͨij涴

ʹͨij涴ڣܷͨ䵽δҲȻδ֪ġΪȻER=EPR۱ЧӦĿǰùʽڼеõ֤֮ʵܷʱδ֤

ð뾭ķЧӦۣȻó涴ݻٳ涴Ϊ˽һìܣֻüκν涴ķ䶼ɢӶֹκȥϢͼ

һЩʱеۻٶΪĵǰᡣΪת̫ڹת̫ϵϵתڵرAƶʱʱУڲͬʱĵرA֣ΪѳԵƫ

Դڻ
ݷadmin@tunisr.com

¼Ƭ

¼Ƭ

| ϵ | Ȩ | ˽ | |
Ȩ
Copyright © 2011-2020 All Rights Reserved.

ض