±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1862  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÄäÃû

Óû§×¢Ïú (СÓÐÃûÆø)

±¾Ìû½öÂ¥Ö÷¿É¼û
ÒÑÔÄ   ͬ·½Ïò¹ã²¥   ÉêÇëÎïÀíEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³

ÄäÃû

Óû§×¢Ïú (СÓÐÃûÆø)

±¾Ìû½öÂ¥Ö÷¿É¼û
4Â¥2016-01-10 22:18:58
ÒÑÔÄ   ÉêÇëÎïÀíEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³
²é¿´È«²¿ 6 ¸ö»Ø´ð

ÄäÃû

Óû§×¢Ïú (СÓÐÃûÆø)

±¾Ìû½öÂ¥Ö÷¿É¼û
2Â¥2016-01-09 08:05:34
ÒÑÔÄ   ÉêÇëÎïÀíEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³

simonrac

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
TOM YUAN: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2016-01-10 22:19:43
1. Symmetry factor Ö÷ÒªÊÇÀ´×Ô΢ÈÅÌ©ÀÕÕ¹¿ªÇ°ÃæµÄϵÊýÒÔ¼°½øÐÐWick contractionµÄÅÅÁÐ×éºÏÊý£»Ò»°ãÇé¿öÏÂÕâÁ½Õß¿ÉÒÔÏ໥µÖÏû£¬ËùÒÔÒ»°ã²»¹Ü£¡

2. ·ÑÂüͼµÄ×÷ÓÃÊÇ´Ó·ÑÂüͼÀïÃæ¿ÉÒÔÌáÈ¡³öһЩ¹æÂÉ£¬Ò²¾ÍÊÇFeynman rules ; Èç¹ûûÓзÑÂüͼµÄ»°£¬ÄÇÄãÿËãÒ»¸öÌåϵ¾ÍµÃÏÈд³öÀ­¸ñÀÊÈÕÁ¿£¬È»ºó΢ÈÅÕ¹¿ª£¬È»ºó¿´¿ÉÄܵÄWick contraction... Ì«Âé·³ÇÒÍ´¿à£¬µ«ÊÇÓÐÁË·ÑÂüͼ֮ºó£¬ÄãÖ»ÐèÒª¸ù¾Ý·ÑÂü¹æÔò¾Í¿ÉÒÔÖ±½Ó´Ó·ÑÂüͼÖÐд³öamplitude... ËùÒÔSchwinger²Å˵·ÑÂü°ÑÁ¿×Ó³¡ÂÛ´øÏòÁË´óÖÚ....
3Â¥2016-01-10 17:46:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lliu2014

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
3Â¥: Originally posted by simonrac at 2016-01-10 17:46:13
1. Symmetry factor Ö÷ÒªÊÇÀ´×Ô΢ÈÅÌ©ÀÕÕ¹¿ªÇ°ÃæµÄϵÊýÒÔ¼°½øÐÐWick contractionµÄÅÅÁÐ×éºÏÊý£»Ò»°ãÇé¿öÏÂÕâÁ½Õß¿ÉÒÔÏ໥µÖÏû£¬ËùÒÔÒ»°ã²»¹Ü£¡

2. ·ÑÂüͼµÄ×÷ÓÃÊÇ´Ó·ÑÂüͼÀïÃæ¿ÉÒÔÌáÈ¡³öһЩ¹æÂÉ£¬Ò²¾ÍÊÇFeynman ...

·Ñ¶÷ÂüͼҲÊÇÒ»ÖÖ΢ÈŰɡ£
5Â¥2016-02-26 00:03:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ085600Ó¢Ò»Êý¶þ337·ÖÇóµ÷¼Á +11 lyz0427 2026-04-03 11/550 2026-04-04 15:31 by dongzh2009
[¿¼ÑÐ] 292·Ö£¬²ÄÁÏÓ뻯¹¤£¬ÉêÇëµ÷¼Á +21 ³ÌÇçÖ® 2026-04-01 25/1250 2026-04-04 11:01 by hmn_wj
[¿¼ÑÐ] ÇóÉúÎïѧרҵµ÷¼Á-332·Ö +5 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 5/250 2026-04-04 10:05 by rzh123456
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸±±¾©ÖÐÒ½Ò©´óѧ +3 СС´ï²»Áï 2026-04-02 3/150 2026-04-03 22:55 by ³åʸêÄÐÇÍÅ
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 15615482637 2026-04-03 3/150 2026-04-03 22:50 by ms629
[¿¼ÑÐ] 085601Ò»Ö¾Ô¸±±Àí325·ÖÇóµ÷¼Á +6 ÕÒµ÷¼Á£¬£¬ 2026-04-02 6/300 2026-04-03 22:20 by –¹Æ?
[¿¼ÑÐ] 08¹¤¿Æ275·ÖÇóµ÷¼Á +14 AaAa7420 2026-03-31 14/700 2026-04-03 11:13 by cocolv
[¿¼ÑÐ] 325·Ö»¯Ñ§µ÷¼Á +5 15771691647 2026-04-02 5/250 2026-04-03 09:58 by ChemPharm
[¿¼ÑÐ] 085600£¬320·ÖÇóµ÷¼Á +6 ´ó²öС×Ó 2026-04-02 6/300 2026-04-02 21:54 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸´ó¹¤Ñ§Ë¶£¬Çóµ÷¼Á +4 yub0811 2026-04-02 4/200 2026-04-02 21:36 by °ÙÁéͯ888
[¿¼ÑÐ] 22408 266Çóµ÷¼Á +3 masss11222 2026-04-02 3/150 2026-04-02 18:11 by ±ÊÂä½õÖÝ
[¿¼ÑÐ] ũѧ¿¼ÑÐÇóµ÷¼Á +3 dkdkxm 2026-04-01 3/150 2026-04-02 16:04 by wangjagri
[¿¼ÑÐ] 282Çóµ÷¼Á +13 ºôÎü¶¼ÊǼõ·Ê 2026-04-01 13/650 2026-04-02 14:10 by baoball
[¿¼ÑÐ] 286·Öµ÷¼Á +20 Faune 2026-03-30 22/1100 2026-04-02 13:24 by clyblh
[¿¼ÑÐ] Ò»Ö¾Ô¸°²»Õ´óѧ¼ÆËã»ú¿ÆÑ§Óë¼¼Êõѧ˶£¬331·ÖÇóµ÷¼Á +5 ½¯²ýÅôqtj 2026-04-01 5/250 2026-04-02 08:10 by fxue1114
[¿¼ÑÐ] 11408 321·ÖÇóµ÷¼Á +3 huchun12138 2026-03-30 4/200 2026-04-01 22:48 by guanxin1001
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +14 Ò»ÑùYWY 2026-04-01 14/700 2026-04-01 21:07 by lijunpoly
[¿¼ÑÐ] 349Çóµ÷¼Á +6 ³ÔµÄ²»ÉÙ 2026-04-01 6/300 2026-04-01 17:55 by JYD2011
[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©298µ÷¼ÁÇóÖú +4 ÔªÔªÇàÇà 2026-03-31 6/300 2026-04-01 11:13 by syh9288
[¿¼ÑÐ] ²ÄÁÏר˶ 085600Çóµ÷¼Á +7 BBQ233 2026-03-30 7/350 2026-03-30 17:44 by oooqiao
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û