The influence of single magnetic impurities on the conductance of quantum microconstrictions

The nonlinear ballistic conductance of three-dimensional quantum microconstrictions containing magnetic impurities is investigated. The nonlinear part of the conductance, which is due to the interaction of electrons with magnetic impurities, is obtained. The analytical results are analyzed numerical...

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Бібліографічні деталі
Дата:2000
Автори: Namiranian, A., Kolesnichenko, Yu.A., Omelyanchouk, A.N.
Формат: Стаття
Мова:English
Опубліковано: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2000
Назва видання:Физика низких температур
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Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/129107
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:The influence of single magnetic impurities on the conductance of quantum microconstrictions / A. Namiranian, Yu.A. Kolesnichenko, A.N. Omelyanchouk // Физика низких температур. — 2000. — Т. 26, № 7. — С. 694-699. — Бібліогр.: 26 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id irk-123456789-129107
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spelling irk-123456789-1291072018-01-17T03:03:17Z The influence of single magnetic impurities on the conductance of quantum microconstrictions Namiranian, A. Kolesnichenko, Yu.A. Omelyanchouk, A.N. Электpонные свойства металлов и сплавов The nonlinear ballistic conductance of three-dimensional quantum microconstrictions containing magnetic impurities is investigated. The nonlinear part of the conductance, which is due to the interaction of electrons with magnetic impurities, is obtained. The analytical results are analyzed numerically. It is shown that the intensity of the Kondo anomaly in the conductance as a function of the applied voltage depends on the diameter of the constriction and the positions of the impurities. 2000 Article The influence of single magnetic impurities on the conductance of quantum microconstrictions / A. Namiranian, Yu.A. Kolesnichenko, A.N. Omelyanchouk // Физика низких температур. — 2000. — Т. 26, № 7. — С. 694-699. — Бібліогр.: 26 назв. — англ. 0132-6414 PACS: 73.40.Jn, 73.10.Fk, 72.15.Qm http://dspace.nbuv.gov.ua/handle/123456789/129107 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Электpонные свойства металлов и сплавов
Электpонные свойства металлов и сплавов
spellingShingle Электpонные свойства металлов и сплавов
Электpонные свойства металлов и сплавов
Namiranian, A.
Kolesnichenko, Yu.A.
Omelyanchouk, A.N.
The influence of single magnetic impurities on the conductance of quantum microconstrictions
Физика низких температур
description The nonlinear ballistic conductance of three-dimensional quantum microconstrictions containing magnetic impurities is investigated. The nonlinear part of the conductance, which is due to the interaction of electrons with magnetic impurities, is obtained. The analytical results are analyzed numerically. It is shown that the intensity of the Kondo anomaly in the conductance as a function of the applied voltage depends on the diameter of the constriction and the positions of the impurities.
format Article
author Namiranian, A.
Kolesnichenko, Yu.A.
Omelyanchouk, A.N.
author_facet Namiranian, A.
Kolesnichenko, Yu.A.
Omelyanchouk, A.N.
author_sort Namiranian, A.
title The influence of single magnetic impurities on the conductance of quantum microconstrictions
title_short The influence of single magnetic impurities on the conductance of quantum microconstrictions
title_full The influence of single magnetic impurities on the conductance of quantum microconstrictions
title_fullStr The influence of single magnetic impurities on the conductance of quantum microconstrictions
title_full_unstemmed The influence of single magnetic impurities on the conductance of quantum microconstrictions
title_sort influence of single magnetic impurities on the conductance of quantum microconstrictions
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
publishDate 2000
topic_facet Электpонные свойства металлов и сплавов
url http://dspace.nbuv.gov.ua/handle/123456789/129107
citation_txt The influence of single magnetic impurities on the conductance of quantum microconstrictions / A. Namiranian, Yu.A. Kolesnichenko, A.N. Omelyanchouk // Физика низких температур. — 2000. — Т. 26, № 7. — С. 694-699. — Бібліогр.: 26 назв. — англ.
series Физика низких температур
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AT namiraniana influenceofsinglemagneticimpuritiesontheconductanceofquantummicroconstrictions
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first_indexed 2025-07-09T10:37:03Z
last_indexed 2025-07-09T10:37:03Z
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A = (β ¡ F , ) ¡ F , @C[sJT>�?vBwPiBw?�Q J�F�B PZcsS�QU?�M�?/N_L J,GIPiQxS;M�PZQih�J,>"?¨N/PiQ"J,S/N/JoS/��@C[ 9 ¨ @C[�JT> ?E?;M�?/NOJTG1P�Q�BsS�[T[ 9> = ( � ¡ � ) ¡n�E@�J,> � J,>"?�N/P PiGTY�@CQ8S/J�?x@CQ�JT>�?xD8MCS�Q ?AD ?�G�L D�?�Q�Y8@�N/F­M¤S�G¥J�P�JT> ? � S/��@&[/q �E@Cc1c�?�G1?�Q�JT@CS/J,@CQih 〈 & � 〉 Pid ?�G�JT> ?AJ,@&BE?�!�¡��¦?AP `�J,S�@&Q J,>"?~?�� FHS/JT@�P�Q«c�P GsJ,> ?xN�>�S�Q;h�? ∆ Pic¦JT> ?xNOF8G�GI?_QZJ½S�[sS G�?�[1F­M�JXP�coJT> ?�@�Q�JI?_GIS�N/J,@�P�QAP co?;M�?/NOJTG1P�Q�[|�]@�JT>vBsS�hHQ�?/J,@�N @CB]DZFHGT@�J,@�?�[-� } ∆ � = � � Ð− 〈 � & � ( ! ) ¡ & á�è¬ì ( � ) � 〉 ¡ j ��Ê8p �]>�?�G1? 〈 � ��� 〉 = =ÈG (ρ( ! ) ����� ) q j �i��p Ë|M M´P�D ?_GTS/JIPiGT[ S�Gt? @CQ JT>�? @�Q�JI?_GIS�N/J,@�P�Q G�?�D�Gt?_L [�?�Q JTS�J,@�P�Q­q =�> ?�Y ?�QH[I@�J�KABES9J,G�@¤� ρ( ! ) [IS�J,@�[Tc1@�?�[oJT> ?]?�� FHS/JT@�P�Q � Ð− ∂ρ ∂ ! = � & á è�ì ( ! ) ¡ ρ( ! ) �w¡ j ��Ñ8p �]>H@�N�>xN�S�Qx`�?s[�P"M�d"?_YxF8[,@�QZhvD ?_GtJ�F�G1`HS9J,@�P�QxJ,>Z?OP�G1K � ρ( ! ) = ρ ÷ + � � Ð− ∫ −∞ £ ¾ ! ′ �7& á è�ì ( ! ′) ¡ ρ ÷ � + + � ( � Ð−) ö ∫ −∞ � ¾�! ′ ∫ −∞ £ ′ ¾�! ′′ � &������ ( ! ′) ¡¶� & á è�ì ( ! ′′) ¡ ρ ÷ �T�wqCq�q j � ��p ��K\B�?_S;Q�[¦Pic����¶qnj��+��pEJT> ?�N_>8S�Q;hH?�@�QkJT> ?�?�M�?/NOJTG,@�N NOF�G�GI?�Q J\Y"F�?WJ�P BsS�h�Q ?/J,@�Nz@�B]DZF�GI@�J,@�?�[©N_S�Q^`H?WY�?/J�?�G�L B]@CQZ?_YAS;[ ∆ � = � � + � ö + ��� � = = − � Ð−ö } ∫ −∞ £ ¾�! ′ =ÈG (ρ ÷ �+� # � ¡ & áÙè¬ì ( ! ) ��¡ & áÙè¬ì ( ! ′) � ) − � ���−ô�� × ×∫ −∞ £ ′ ¾ ! ′′∫ −∞ £ ¾�! ′ =�G (ρ ÷ �,��� & � ¡ & áÙè¬ì ( ! ) �/¡ & á�è¬ì ( ! ′) �9¡ # á è�ì ( ! ′′) � ) + + q�q q j � ��p ËXc�JI?_GU[�@CBsD8M�?z`HF"J�NOFHBw`�?�GT[1P�B¦?zN�S M�NOF£M¤S/JT@�PiQ8[/¡]�w? c1@CQ�Y�J,>Z?\c1@CGT[tJ,LsS�QHYz[I?/NOP QHY"LCP�G�Y"?�G�N/PZGIGI?ON/J,@�P QH[�J�PWJ,>Z? lnmzN/F�GIGI?_Q J � � = − π � Ð− � ( � + � ) ∑¡ õ Í ∑¤ õ  ( [T@�hHQ � , Ç − [�@�h"Q!� , ¡ ) × × (" Í − � ¡ )δ(ε ¡ − ε Í ) <  õ ¡ õ Í < ¤ õ Í õ ¡ q j �O¸�p � ö = π � Ð− � ( � + # ) ∑¡ õ $ / Ç ∑% / Â0/ & ( ')(+*-,B+ , Ç − [/@¤h�Q + , ¡ ) × ×    δ(ε ¡ − ε Ç ) l¶G # ε Í − ε Ç + δ(ε Í − ε 4 ) l¶G � ε ¡ − ε Ç    × × . <  õ ¡ õ Ç < ¤ õ/$�õ ¡ < Õ õ Ç õ/$ + <  õ Ç õ ¡ < % õ ¡ õ Í < Õ õ Í / 4 � × × ( � Í − � 4 )( � − Ñ �10 ) ¡ j �O¹�p �]> ?�GI? � ¡ = � � � ε ¡ + ( � } Ï Ñ ) [�@�h�Q + , ��q�=�>"?\c1@�GT[1JxS�YHY�@&L J,@¤PiQ � � J�PyJ,>"?�lªmzNOFHGTGt?_Q"J¨Y ?�[IN_GI@�`�?�[XS�[TBsS;M Mn[�D�@&QHL�Y ?�L D ?�QHYZ?_Q"JoNOP GTG1?/NOJT@�P�QAj+P cnP GTY ?_G ( C Ï ε � ) ö p|J�P�JT>�?EN�>�S�QZh�? 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