²é¿´: 2498  |  »Ø¸´: 19
¡¾Óн±½»Á÷¡¿»ý¼«»Ø¸´±¾Ìû×Ó£¬²ÎÓë½»Á÷£¬¾ÍÓлú»á·ÖµÃ×÷Õß fo3mt2 µÄ 2 ¸ö½ð±Ò £¬»ØÌû¾ÍÁ¢¼´»ñµÃ 1 ¸ö½ð±Ò£¬Ã¿ÈËÓÐ 1 ´Î»ú»á
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

fo3mt2

½ð³æ (СÓÐÃûÆø)


[½»Á÷] ·Çƽºâ̬¸ñÁÖº¯Êý·¨Öе絼ºÍÈȵ¼µÄͶÉäϵÊý¼äµÄÇø±ð

´ó¼ÒºÃ£¬

ÎҲ鿴ÁËÎÄÏ×[jian-sheng wang, jian wang and j. t. lu, quantum thermal transport in nanostructures, eur. phys. j. b 62, 381 (2008)]£¬ÆäÖУ¬57ºÅ¹«Ê½½âÊ͵ÄÈȵ¼µÄ͸ÉäϵÊý£¬¹«Ê½ÈçÏ£º

$$T_{\omega}={Tr}\left[G^{R}\Gamma_\text{left}G^{A}\Gamma_\text{right}\right]\tag{1}$$

ÁíÒ»·½Ã棬ÎÄÏ×[a. r. rocha, v. m. garc¨ªa-su¨¢rez, s. bailey, c. lambert, j. ferrer and s. sanvito, spin and molecular electronics in atomically generated orbital landscapes, phys. rev. b, 73, 085414 (2006)]ÀïµÄ12ºÅ¹«Ê½½âÊÍÁ˵絼µÄ͸ÉäϵÊý£¬¹«Ê½ÈçÏÂ:

$$G=\frac{2e^{2}}{h}\mathrm{Tr}\left[\Gamma_\text{left}G_{M}^{A}\Gamma_\text{right}G_{M}^{R}\right]\tag{2}$$

ÎҲ鿴ÁËÏÂÕâÁ½¸ö¹«Ê½£¬³ýÁ˵絼͸ÉäϵÊýÀïµÄϵÊý£¨£©Í⣬ºÃÏñÍêȫһÑù¡£ÎÒÏëÇë½ÌÏ£¬µçµ¼ºÍÈȵ¼µÄ͸ÉäϵÊýÊÇ·ñΪͬһ¸öÎïÀíÁ¿ÄØ£¿

Èç¹û²»ÊÇ£¬Á½¸ö¹«Ê½µÄÇø±ðÔÚÄÄÀïÄØ£¿

Èç¹ûÊÇ£¬ÄÇ×îÖյ絼ºÍÈȵ¼Æñ²»Ò²ÊÇÏàͬµÄÎïÀíÁ¿ÁË£¬ÒòΪËüÃǶ¼µÈÓÚ¸÷×ÔµÄ͸ÉäϵÊý½øÐлý·Ö£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fo3mt2

½ð³æ (СÓÐÃûÆø)


Ëͺ컨һ¶ä
ÒýÓûØÌû:
14Â¥: Originally posted by lq8989 at 2024-02-03 14:53:35
Ó¦¸Ã˵͸ÉäϵÊý¶ÔÓÚµç×ÓºÍÉù×ÓÀ´Ëµ³éÏóÐÎʽÊÇÒ»Öµģ¬µ«Æä¸ñÁÖº¯ÊýÊÇÓɵç×Ó/Éù×ÓµÄÄÜ´ø/ɫɢ¾ö¶¨µÄ£¬Òò´Ë¾ßÌåÐÎʽºÍÄÜÁ¿ÒÀÀµ¹ØÏµ»áÓÐÇø±ð¡£
...

·Ç³£¸ÐлÄãµÄ»Ø¸´¡£
ÎÒ»¹ÓÐÒ»¸öÎÊÌâÏëÇë½ÌÏ¡£ÔÚ¼ÆËãÈȵ¼Ê±£¬ÆäÖеĸñÁÖº¯Êý£¨±ÈÈ磬ÑÓ³Ù¸ñÁÖº¯Êý$G^{R}_{Scattering\:region}=\left[\left(\omega+i0^{+}\right)^{2}I-D\right]^{-1}$£©¹«Ê½ÀïÌáµ½Á˶¯Á¦Ñ§³£Êý¾ØÕóD¡£
ÎÒ·´¸´±È¶ÔÁËÆäÓëµçµ¼¹«Ê½ÖеĸñÁÖº¯Êý¼ÆË㹫ʽ£¬·¢ÏÖÈȵ¼¸ñÁÖº¯ÊýÖеÄÕâ¸ö¶¯Á¦Ñ§³£Êý¾ØÕó¾ÍÊǵ絼¸ñÁÖº¯ÊýÖеÄÖÐÐÄÉ¢ÉäÇøÓëµç¼«ÇøµÄÏ໥×÷ÓþØÕó£¬Ò²¾ÍÊÇHamiltonianÖеÄoff-diagonal²¿·ÖµÄ¾ØÕó¡£
ÇëÎÊ£¬ÎÒÕâôÀí½âÊÇ·ñÕýÈ·ÄØ£¿
16Â¥2024-02-03 17:50:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 20 ¸ö»Ø´ð

rlafite

ľ³æ (ÕýʽдÊÖ)


¡ï
fo3mt2(½ð±Ò+1): лл²ÎÓë
¿âÂ×¶¨ÂɺÍÍòÓÐÒýÁ¦¶¨Âɹ«Ê½Ò²Ò»Ñù£¬Öª²»ÖªµÀ¸Â£¿
5Â¥2024-02-02 00:05:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fo3mt2

½ð³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
5Â¥: Originally posted by rlafite at 2024-02-02 00:05:56
¿âÂ×¶¨ÂɺÍÍòÓÐÒýÁ¦¶¨Âɹ«Ê½Ò²Ò»Ñù£¬Öª²»ÖªµÀ¸Â£¿

ллÄãµÄ»Ø¸´¡£
ÄÇÇëÎÊÕâÊDz»ÊÇ˵£¬³ýÁ˵絼͸ÉäϵÊýǰµÄϵÊý£¨2e^2/h£©Í⣬Èȵ¼ºÍµçµ¼µÄ͸ÉäϵÊý£¬ÍêÈ«ÏàÍ¬ÄØ£¿
Èç¹ûÊǵϰ£¬ÄÇÆñ²»ÊÇ˵£¬³ýÁËϵÊý£¨2e^2/h£©£¬Èȵ¼ºÍµçµ¼µÄ¼ÆËã¹ý³Ì£¬»òÕß˵»ý·ÖºóµÄÊýÖµ£¬Ò²ÍêÈ«ÏàͬÁËÄØ£¿
Âé·³ÄãÄܸøÐ©½âÊÍÂð£¿
лл¡£
6Â¥2024-02-02 00:41:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fo3mt2

½ð³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
5Â¥: Originally posted by rlafite at 2024-02-02 00:05:56
¿âÂ×¶¨ÂɺÍÍòÓÐÒýÁ¦¶¨Âɹ«Ê½Ò²Ò»Ñù£¬Öª²»ÖªµÀ¸Â£¿

ллÄãµÄ»Ø¸´¡£
ÄÇÇëÎÊ£¬³ýÁ˵絼͸ÉäϵÊýǰµÄϵÊý£¨2e^2/h£©Í⣬µçµ¼ºÍÈȵ¼µÄͶÉäϵÊýÊÇ·ñÍêÈ«ÏàÍ¬ÄØ£¿
Èç¹ûÊÇ£¬ÄÇ͸ÉäϵÊý»ý·Öºó£¬³ýÁËϵÊý£¨2e^2/h£©Í⣬µÃµ½µÄµçµ¼ºÍÈȵ¼£¬ÊÇ·ñÒ²ÍêÈ«ÏàÍ¬ÄØ£¿»òÕß˵£¬µçµ¼ºÍÈȵ¼µÄ¼ÆËã¹ý³ÌÒ²ÍêÈ«ÏàÍ¬ÄØ£¿
ÄÜÂé·³Äã¸øÐ©½âÊÍÂð£¿
лл¡£
7Â¥2024-02-02 00:44:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
hyjcs2Â¥
2024-02-01 18:20   »Ø¸´  
fo3mt2(½ð±Ò+1): лл²ÎÓë
‡— ·¢×ÔСľ³æAndroid¿Í»§¶Ë
tzynew10Â¥
2024-02-02 10:46   »Ø¸´  
fo3mt2(½ð±Ò+1): лл²ÎÓë
k ·¢×ÔСľ³æAndroid¿Í»§¶Ë
Ìáʾ: Èç¹ûÄúÔÚ30·ÖÖÓÄڻظ´¹ýÆäËûÉ¢½ðÌù£¬Ôò¿ÉÄÜÎÞ·¨ÁìÈ¡´ËÌù½ð±Ò
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] »¶Ó­211±¾¿ÆÍ¬Ñ§£¬¹ýAÇø¹ú¼ÒÏߣ¬AÇø·ÇƫԶһ±¾£¬½»²æÑ§¿Æ¿ÎÌâ×é +9 lisimayy 2026-03-04 13/650 2026-03-05 06:53 by chenvision
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤´óѧ-085602-×Ü·Ö296·Ö-Çóµ÷¼Á +7 ×Ï´¨ÆÏèÖ 2026-03-04 7/350 2026-03-04 21:04 by kakakapanpan
[¿¼ÑÐ] 307Çóµ÷¼Á +4 xuyuan111 2026-03-04 5/250 2026-03-04 20:39 by kakakapanpan
[¿¼ÑÐ] 070300µ÷¼ÁÒ»Ö¾Ô¸ÄϾ©´óѧ»¯Ñ§×¨Òµ£¬³õÊÔ273·Ö£¬ÓÐÂÛÎÄÓÐרÀûÓоºÈü£¬Çóµ÷¼ÁBÇø211 +3 82206202 2026-02-28 8/400 2026-03-04 19:24 by ÿÌìÖ»°ÚһС»á
[¿¼ÑÐ] Çóµ÷¼Á +7 ²©Ë¹ÌØ525 2026-03-04 7/350 2026-03-04 18:09 by houyaoxu
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á +3 ½«Î´ÓÐÆÚ 2026-03-04 3/150 2026-03-04 16:19 by sslc1985
[¿¼ÑÐ] 085601 ²ÄÁϹ¤³Ì 320 +6 ºÍÀÖÑþ 2026-03-03 6/300 2026-03-04 16:01 by chixmc
[¿¼ÑÐ] 312Çóµ÷¼Á +8 ´×¾«»ªÁËһϷ¢Ï 2026-03-03 10/500 2026-03-04 15:54 by sslc1985
[¿¼ÑÐ] 290Çóµ÷¼Á +3 Bananaiy 2026-03-04 3/150 2026-03-04 15:52 by sslc1985
[¿¼ÑÐ] 085600 Ó¢Ò»Êý¶þ272Çóµ÷¼Á 5+6 vida_a 2026-03-01 47/2350 2026-03-04 13:35 by vida_a
[¿¼ÑÐ] 0854×Ü·Ö272 +5 ´òС¾ÍÊÇÀÏʵÈË 2026-03-02 6/300 2026-03-04 01:41 by ouhaiyu
[¿¼ÑÐ] ½ÓÊÕµ÷¼Á +15 ½òÃȽòÃÈ 2026-03-02 23/1150 2026-03-03 23:39 by ÃΡª-
[˶²©¼ÒÔ°] 2025½ìË«·Ç»¯¹¤Ë¶Ê¿±ÏÒµ£¬É격 +4 ¸ü¶àµÄÊÇ 2026-02-27 5/250 2026-03-03 17:44 by wenium
[¿¼ÑÐ] 299Çóµ÷¼Á +5 kkcoco25 2026-03-02 9/450 2026-03-03 12:55 by ¹«èªåÐÒ£
[¿¼ÑÐ] 291Çóµ÷¼Á +3 MuoLuo1312 2026-03-02 6/300 2026-03-03 12:13 by ÈÈÇéɳĮ
[¿¼ÑÐ] ¡¾2026 ˶ʿµ÷¼Á¡¿¿ÎÌâ×é ÕÐÊÕµ÷¼ÁÉú +3 ¿¼Ñаæ°ô°ô 2026-03-02 5/250 2026-03-03 01:45 by kkky.
[¿¼ÑÐ] 298Çóµ÷¼Á +10 È˼äΨÄãÊÇÇå»¶ 2026-02-28 14/700 2026-03-02 22:49 by È˼äΨÄãÊÇÇå»¶
[¿¼ÑÐ] 11408£¬Ñ§Ë¶276Çóµ÷¼Á +3 ´Þwj 2026-03-02 5/250 2026-03-02 22:14 by 255671
[¿¼ÑÐ] 275Çóµ÷¼Á +7 Ã÷Ô¶Çóѧ 2026-03-01 7/350 2026-03-02 19:22 by zhukairuo
[¿¼ÑÐ] 274Çóµ÷¼Á +3 cgyzqwn 2026-03-01 7/350 2026-03-02 10:38 by lature00
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û