ngµç×ÓÓÎÏ·ÐÂÎÅÍøѶ£¨Í¨Ñ¶Ô±¹¢´Ï£©×÷Ϊ¡°±ê׼ģ×Ó¡±µÄ»ù±¾×é³ÉÖ®Ò»£¬£¬£¬ôÓ¿ä¿Ë£¨c£©ÁìÓòµÄ¿ÆѧÑо¿Ò»Ö±ÊÇÎÒÃÇ̽Ë÷ÎÞÏÞСÌìϵÄÖ÷ÒªÊÖ¶ÎÖ®Ò»¡£¡£×÷Ϊ×îµÍÖÊÁ¿µÄº¬ôÓ¿ä¿ËÖØ×Ó£¨ôÓÖØ×Ó£©
£¬£¬£¬ÔçÔÚ40ÄêÇ°¾ÍÒѾ±»·¢Ã÷¡£¡£È»ºó£¬£¬£¬ÓÉÓÚһֱȱÉÙʵÑéÏ£Íû£¬£¬£¬ËüµÄÎïÀíÐÔ×Ó²¢Ã»Óб»ºÜºÃÃ÷È·¡£¡£
²î±ðÓÚôÓ½é×Ó£¬£¬£¬
ÖØ×ÓÊÇÓÉÒ»¸öÖصÄôÓ¿ä¿ËºÍÁ½¸öÇá¿ä¿Ë£¨ÉϺÍÏ¿ä¿Ë£©×é³É£¬£¬£¬ÆäÊÙÃüÖ÷ÒªÊÇôÓ¿ä¿ËË¥±äÖ÷µ¼¡£¡£Ñо¿ôÓÖØ×ÓԾǨµ½ÇáµÄÖØ×Ó̬Àú³Ì¿ÉÒÔÓÃÀ´Ä¥Á·±ê׼ģ×Ó£¬£¬£¬¿ÉÊÇôÓÖØ×ÓԾǨÀú³ÌµÄÇ¿×ӵķÇ΢ÈÅТ˳ºÜ´ó£¬£¬£¬ÖÆÔ¼Á˶ÔÏà¹ØÀíÂÛÄ£×ÓµÄ׼ȷĥÁ·¡£¡£Ã÷È··Ç΢ÈÅÔÚԾǨÖеÄ×÷ÓûúÖƺÜÊÇÖ÷Òª£¬£¬£¬µ«±ØÐèÒÀÀµÊµÑéÕÉÁ¿²Å»ªÍêÉÆÀíÂÛΨÏóÄ£×ÓµÄÔ¤ÑÔ¡£¡£ ÔÚ
Ë¥±äÖУ¬£¬£¬×îÒýÈ˹Ø×¢µÄ¾ÍÊÇÁ½Ìåµ¥¿¨±È²¨Ñ¹µÍÀú³Ì
ºÍ
£¬£¬£¬ÕâÊÇ×î¼òÆÓµÄԾǨÀú³Ì£¬£¬£¬¹ØÓÚÃ÷ȷĩ̬·Ç΢ÈÅТ˳¼°ÆäÖ÷Òª¡£¡£ÏÖÔÚʵÑéÉÏÖ»»ñµÃ
Àú³ÌµÄ·ÖÖ§±ÈÉÏÏÞ£¬£¬£¬Í¬Ê±ÓÉÓÚÖÐ×ÓÄÑÒÔ̽²â£¬£¬£¬
»¹Ã»ÓÐʵÑéÊÓ²ìЧ¹û¡£¡£ ²î±ðµÄÄ£×Ó¹ØÓÚÕâÁ½¸öÀú³Ì·ÖÖ§±ÈµÄ±ÈÖµÔ¤ÑÔ²î±ðºÜ´ó£¬£¬£¬ÔÚ2-10Ö®¼ä£¬£¬£¬Îó²î¶¼ºÜ´ó¡£¡£
×î½ü£¬£¬£¬ngµç×ÓÓÎÏ·ÎïÀíѧԺ¹¢´Ï¸±½ÌÊÚÓëÖйú¿ÆѧÊÖÒÕ´óѧ¡¢À¼ÖÝ´óѧ¡¢Öйú¿ÆѧԺ´óѧÒÔ¼°¸ßÄÜÎïÀíÑо¿ËùÏàÖú£¬£¬£¬ÂÊÁìÍŶÓÔÚ±±¾©Æ×ÒÇIIIʵÑéÏîÄ¿ÉÏ£¬£¬£¬Ê¹ÓÃ4.6ºÍ4.7 GeVÄÜÇøÖ®¼äµÄʵÑéÊý¾ÝÊ×´ÎÊӲ쵽µ¥¿¨±È²¨Ñ¹µÍÀú³Ì¦«c¨¤n¦Ð+ [Phys. Rev. Lett. 128 (2022) 142001]¡£¡£Õâ¸öÄÜÇøÖÐôÓÖØ×Ó¦«cºÍËüµÄ·´Á£×ӳɶԱ¬·¢£¬£¬£¬Òò´Ë£¬£¬£¬Ë«±ê¼ÇµÄÒªÁì±»Ó¦ÓÃÔÚÕâ¸öÎïÀíÊÂÇéÖС£¡£ÓÉÓÚ׼ȷ֪µÀÕý¸ºµç×ӶԵijõʼÄܶ¯Á¿£¬£¬£¬²¢ÇÒ»ùÓÚÄܶ¯Á¿Êغ㣬£¬£¬Ä©Ì¬µÄÖÐ×ÓÐźÅʹÓÃɥʧԼϢÀ´ÐÎò¡£¡£ÔÚԼĪ150Íò¸ö¦«cµÄʵÑéÑù±¾ÖУ¬£¬£¬ÌôÑ¡³öµÄÖÐ×ÓÐźÅÈçÏÂͼËùʾ¡£¡£×îºóʵÑé¸ø³ö¦«c¨¤¦Ð+Àú³ÌµÄͳ¼ÆÏÔÖøÐÔÊÇ7.3 ¦Ò£¬£¬£¬ÕÉÁ¿»ñµÃµÄ·ÖÖ§±È(6.6¡À1.2¡À0.4)¡Á10-4¡£¡£ÕâÊÇʵÑéÉÏÊ×´ÎÊӲ쵽º¬ÓÐÖÐ×Óĩ̬µÄ¿¨±È²£Ñ¹µÍµÄôÓÖØ×ÓË¥±ä£¬£¬£¬È¡µÃÖ÷ҪϣÍû¡£¡£¿£¿£Ë¼Á¿BelleʵÑéµÄ¦«c¨¤p¦Ð0·ÖÖ§±ÈÉÏÏÞ8¡Á10-5, ¦«c¨¤n¦Ð+Ó릫c¨¤p¦Ð0·ÖÖ§±È±ÈÖµ´óÓÚ7.2, ÕâһЧ¹û¹ØÓÚÃ÷È·¦«cµÄÎïÀíÐÔ×ÓºÜÊÇÒªº¦¡£¡£ÉÏÊöÊÂÇé»ñµÃÁ˹ú¼Ò»ù½ðÇàÄê»ù½ðÏîÄ¿¡¢¿Æ¼¼²¿ÖصãÑз¢ÏîÄ¿¡¢ngµç×ÓÓÎÏ·°ÙÈËÍýÏë¡¢ÒÔ¼°½ÌÓý²¿»ù±¾¿ÆÑÐÓªÒµ·ÑµÄ´óÁ¦Ö§³Ö¡£¡£
ͼע£ºôÓÖØ×ÓԾǨµ½ÇáµÄÖØ×Óĩ̬µÄÎȹÌÖÊÁ¿ÐÅÏ¢£¨×î×ó±ßСµÄ͹ÆðΪ¦«_c^+¡ún¦Ð^+Ë¥±äÖÐ×ÓÐźţ¬£¬£¬ÓÒ±ßÁ½¸öÏÔÖøÐźÅΪ¿¨±È²¨ÔÊÐíµÄ¦«c ¦«¦ÐºÍ¦«_c¡ú¦²^0 ¦Ð^+Àú³Ì£©
ÂÛÎÄÁ´½Ó: https://doi.org/10.1103/PhysRevLett.128.142001
µØµã:¹ãÖÝÊÐиÛÎ÷·135ºÅ Óʱà:510275
µç»°: 020-84112828
ngµç×ÓÓÎÏ·°æȨËùÓÐ COPYRIGHT?1999-2022 , SUN YAT-SEN UNIVERSITY