冰球突破
北京凝聚态物理国家研究中心
SF10组供稿
第101期
2020年12月14日
黑磷中的黑洞:费米子的高温霍金辐射

  huojinfusheshiheidongyinliangzizhangluoxiangwaifushelizidexianxiang。tashilijieliangzilixueyuguangyixiangduilunzhijianlianxideguanjian。raner,zaiyuzhouzhong,heidongdehuojinfusheyinqijididehuojinwendu(nakaierwenliangji,yuandiyuweibobeijingfushewendu)shangweibeishiyanzhengshi。weiletigaohuojinwendubianyushiyanguance,renmentichuleliyongjingdianliuti、liangziliuti、guangxiandenggezhongrengongxitongmoniheidongjiqifushedefangan。raner,daomuqianweizhi,bose-aiyinsitanningjutizhongdeshengxueheidongdenakaierwenliangjidehuojinwenduyiranhennanbeishiyanguance。guangxianzhongdeguangxuemoniheidongyebeishouzhengyi。

  yishangzheixietixijunshijiyushengzi、guangzidengbosezitixi。yucibutongdeshi,gutilicunyoudaliangdianzi、zhundianzidengfeimizi,youyuzheixiejibenfeimizijiandejingdianliqiangyuyinlihenduoshuliangji,youdilakebanjinshumonidefeimixingheidongyingjuyoujiaogaodehuojinwendu。danshi,yinquefakekongdedilakefeimizitixi,cileifeimizidehuojinfushedewulijizhihezhenshicailiaodeshixianshidajiapubianguanzhudezhongdian,danyizhiweibeijiejue。

冰球突破  zuijin,bingqiutupo/beijingningjutaiwuliguojiayanjiuzhongxinbiaomianwuliguojiazhongdianshiyanshideboshishengliuxing、songchenchenzaimengshengyanjiuyuandezhidaoxia,yubeijingligongdaxuesunjiataojiaoshouhemeiguoyoutadaxueliufengjiaoshou、huanghuaqingboshihouhezuo,zaiqianqifaxianheilindedianzinengdaikeshouzhouqixingguangchangdediaozhichanshengjuyoukediaojiexielvdedilakezhuidejichuzhishang【jianphys. rev. lett. 120, 237403 (2018)】,tamenjinyibuliyongdiyixingyuanliliangzijifadonglixuejisuanheliangzisuichuanmoxingfenxi,yuyanleshougemonifeimizihuojinfushedezhenshixitong,jijiguangchangfuzhaoxiadeheilin(tu1)。zheigexitongchengxianchuqijinweizhizuigao、qieshiyanketancedehuojinwendu(1-10 k)。

冰球突破  tamenfaxian,tongguofuzhaotedingdekongjianfeijunyunjiguangchang,erweiheilinchengxianchuzaikongjianshanglianxufenbudedier、disan、diyileidilakedianzitai。sanleifeimizideyouxiaozuoyongshifenbieyushiwaxiheidongneibu、bianyuan、waibusuoduiyingdeyinlishiyizhi(tu2),yincikeyongdilakefeimizitiximoniheidongxingweijiheidongdeliangzifushexiaoying。liangzixiaoyingshidilakedianzicongdierleidilakequyuxiangdiyileidilakequyusuichuan,xingchengleyushiwaxiheidongfushetongyangdepulangkefushepu(tu3)。shishidediyixingyuanlijifadonglixuemonibiaoming,juyoubijiaoruogonglv(0.0003v/å)detaihezi(~7 thz)jiguangjiukeyishixianduiheidongxingweidemoni,bingqieheilinzaizheiyijiguangchangbuhuibeisunhuai。

冰球突破  gengzhongyaodeshi,guangfuzhaoshuangcengheilinchanshengde“heidong”chengxianchu3kdechaogaohuojinwendu。zheiyuangaoyuyinliheidongjiqitarengongboseheidongdefushewendu,biaomingcililunfangankeyizaidangqianshiyanshizhongshixian。guangzhaoheilinzhongdechaogaowenfeimiheidongfushedelilunyuyanweishiyanguancehuojinfushediandinglejichu,yeweiyanjiuningjutaiwuzhizhongdeleitiantiwulixianxiangtigonglexindepingtaiheshouduan。xiangguanchengguofabiaozaijinqichubandechin. phys. lett. 37, 067101 (2020)(express letters)shang。gaigongzuodedaokejibuzhongdianyanfajihua(2016yfa0300902,2015cb921001)heguojiazirankexuejijinwei(11774396, 91850120, 11934004)dezizhu。


图1. 双层黑磷中激光辐照产生费米子“黑洞”示意图。

tu2.heidong(black hole, bh)neiwaideguangzhui(shangtu)yumonifeimiziheidongneiwaidedilakezhui(xiatu)deduizhao。

冰球突破tu3.shuangcengheilinzhongdefeimizishiwaxi“heidong”suoxude(a)guangchangfenbuji(b)huojinfushepu。