ÐеждÑнаÑÐ¾Ð´Ð½Ð°Ñ ÐºÐ¾Ð½ÑеÑенÑÐ¸Ñ ÑÑÑденÑов, аÑпиÑанÑов и молодÑÑ ...
ÐеждÑнаÑÐ¾Ð´Ð½Ð°Ñ ÐºÐ¾Ð½ÑеÑенÑÐ¸Ñ ÑÑÑденÑов, аÑпиÑанÑов и молодÑÑ ...
ÐеждÑнаÑÐ¾Ð´Ð½Ð°Ñ ÐºÐ¾Ð½ÑеÑенÑÐ¸Ñ ÑÑÑденÑов, аÑпиÑанÑов и молодÑÑ ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
108<br />
EHFHGHKHeyi_j_oh^ZgZke_^mxsbc\j_f_gghckehclj_[m_lkyj_rblvkbkl_fmebg_cguoZe<br />
]_[jZbq_kdbo mjZ\g_gbc k fZljbp_c ( E−ατ∂F ∂u)<br />
Lh _klv i_j_oh^ gZ gh\uc kehc<br />
dZdb\y\guo ko_fZoijhbkoh^blaZdhg_qgh_aZjZg__ba\_klgh_qbkehrZ]h\LZdb_<br />
ko_fu gZau\Zxlky y\gh-g_y\gufb Kms_kl\m_l h^gZ ko_fZ CROS ba k_f_ckl\Zk<br />
2<br />
dhfie_dkgufiZjZf_ljhf α= ( 1+ i)<br />
2mgbdZevgufbk\hckl\Zfblhqghklv<br />
O( τ ), L2-<br />
mklhcqb\hklv fhghlhgghklvxgZebg_cguoaZ^ZqZobbkdexqbl_evgZygZ^_`ghklvgZ<br />
`_kldboaZ^ZqZo<br />
Dhgljhev lhqghklb f_lh^hf k]ms_gby k_ldb ij_^eh`_g _s_ JbqZj^khghf \<br />
1927 ]Kmlvf_lh^ZaZdexqZ_lky\lhfqlhihj_amevlZlZfjZkqzlh\gZ^\mok_ldZok<br />
N b rN maeZfbih]j_rghklvqbke_ggh]hj_r_gby\kh\iZ^ZxsbomaeZok_lhd\uqbk<br />
ey_lkyihZkbfilhlbq_kdblhqghcijb N →∞nhjfme_<br />
( rN ) ( N )<br />
( rN ) u −u<br />
−p<br />
∆ () t = + o<br />
p ( N )<br />
(5)<br />
r −1<br />
]^_p –l_hj_lbq_kdbcihjy^hdlhqghklbko_fu<br />
2<br />
Ihj_amevlZlZfjZkqzlh\gZljzok_ldZoNrNrNfh`gh\uqbkeblvwnn_d<br />
, ,<br />
lb\gucihjy^hdlhqghklbko_fu<br />
( N) ( rN)<br />
eff ln ∆ −ln<br />
∆<br />
p () t = .<br />
(6)<br />
ln r<br />
F_lh^bdZ ^bZ]ghklbdb kbg]meyjghklb gZ hkgh\_ f_lh^Z k]ms_gby k_ldb b ijb<br />
jZkq_lZoko_fhcCROS[Zabjm_lkygZke_^mxsbo^hdZaZgguoZ\lhjZfbml\_j`^_gbyo<br />
Ml\_j`^_gb_ 1. Kms_kl\m_l agZq_gb_ u = ⎡<br />
β<br />
∗ ⎣2 τ ( β+ 1)<br />
⎤ ⎦ , ijbdhlhjhfqbke_ggh_<br />
j_r_gb_ko_fu&526^eyaZ^Zqbg_f_gy_lkyijbi_j_oh^_gZke_^mxsbc\j_f_g<br />
ghckehc û : û = u ∗<br />
.<br />
Ml\_j`^_gb_ k\hckl\h ijbly`_gby. Ijb u > u ∗<br />
ijbjZs_gb_ nmgdpbb<br />
uˆ − u < 0 bgZh[hjhlijb u < u ∗<br />
ijbjZs_gb_nmgdpbb uˆ − u > 0 . L_ijbex[hfagZq_<br />
gbb u gZl_dms_f\j_f_gghfkeh_ke_^mxsbcrZ]ko_fZ&526^_eZ_lihgZijZ\e_<br />
gbxdiheh`_gbxjZ\gh\_kby u = ⎡<br />
β<br />
∗ ⎣2 τ ( β+ 1)<br />
⎤ ⎦ .<br />
Ml\_j`^_gb_ Ijbhkh[_gghklblhqgh]hj_r_gbyH>MlbiZihexkZ β> 0<br />
qbke_ggh_ j_r_gb_ ko_fu CROS klj_fblky dij_^_em u ∗<br />
. Ijbhkh[_gghklblbiZdhjgy<br />
−1≤β< 0 qbke_ggh_j_r_gb_ko_fu&526klZ[bebabjm_lky\ihehk_\hdjm]iheh`_<br />
gbyjZ\gh\_kby u ∗<br />
.<br />
>eyH>Mlhqgh_j_r_gb_dhlhjh]hbf__lhkh[_gghklv\b^Z u ln( t t)<br />
∗− kijZ<br />
\_^eb\uml\_j`^_gby<br />
Ml\_j`^_gb_ Kms_kl\m_liheh`_gb_jZ\gh\_kby u ∗<br />
= ln τ− ln 2 , ijbdhlhjhf<br />
qbke_ggh_j_r_gb_ko_fu&526g_f_gy_lkyijbi_j_oh^_gZke_^mxsbc\j_f_gghc<br />
kehc<br />
Ml\_j`^_gb_ 5. Ijb u > u ∗<br />
ijbjZs_gb_ nmgdpbb uˆ − u < 0 b gZh[hjhl ijb<br />
u< u ∗<br />
ijbjZs_gb_nmgdpbb uˆ − u > 0 .<br />
Ml\_j`^_gb_ 6.