The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface

It is shown that the conductance G of a quantum microconstriction in a metal with an open Fermi surface undergoes jumps e²/h of the opposite sign as a function of the contact diameter. The negative jumps are a result of the limitation of the energy of the electron motion along the direction in which...

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Datum:2000
Hauptverfasser: Namiranian, A., Kolesnichenko, A.
Format: Artikel
Sprache:English
Veröffentlicht: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2000
Schriftenreihe:Физика низких температур
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Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/129108
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface / A. Namiranian, A. Kolesnichenko // Физика низких температур. — 2000. — Т. 26, № 7. — С. 700-704. — Бібліогр.: 27 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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spelling irk-123456789-1291082018-01-17T03:03:25Z The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface Namiranian, A. Kolesnichenko, A. Электpонные свойства металлов и сплавов It is shown that the conductance G of a quantum microconstriction in a metal with an open Fermi surface undergoes jumps e²/h of the opposite sign as a function of the contact diameter. The negative jumps are a result of the limitation of the energy of the electron motion along the direction in which the Fermi surface is open. The point contact spectrum dG/dV of such a constriction has additional peaks at the bias eV where the maximum energy εmaxεmax of the quantum subband is equal to the energies εF±eV/2 (εF is the Fermi energy). 2000 Article The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface / A. Namiranian, A. Kolesnichenko // Физика низких температур. — 2000. — Т. 26, № 7. — С. 700-704. — Бібліогр.: 27 назв. — англ. 0132-6414 PACS: 73.40.Jn, 72.15.Eb http://dspace.nbuv.gov.ua/handle/123456789/129108 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, A.
The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface
Физика низких температур
description It is shown that the conductance G of a quantum microconstriction in a metal with an open Fermi surface undergoes jumps e²/h of the opposite sign as a function of the contact diameter. The negative jumps are a result of the limitation of the energy of the electron motion along the direction in which the Fermi surface is open. The point contact spectrum dG/dV of such a constriction has additional peaks at the bias eV where the maximum energy εmaxεmax of the quantum subband is equal to the energies εF±eV/2 (εF is the Fermi energy).
format Article
author Namiranian, A.
Kolesnichenko, A.
author_facet Namiranian, A.
Kolesnichenko, A.
author_sort Namiranian, A.
title The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface
title_short The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface
title_full The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface
title_fullStr The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface
title_full_unstemmed The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface
title_sort quantum conductance of ballistic microconstrictions in metals with an open fermi surface
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/123456789/129108
citation_txt The quantum conductance of ballistic microconstrictions in metals with an open Fermi surface / A. Namiranian, A. Kolesnichenko // Физика низких температур. — 2000. — Т. 26, № 7. — С. 700-704. — Бібліогр.: 27 назв. — англ.
series Физика низких температур
work_keys_str_mv AT namiraniana thequantumconductanceofballisticmicroconstrictionsinmetalswithanopenfermisurface
AT kolesnichenkoa thequantumconductanceofballisticmicroconstrictionsinmetalswithanopenfermisurface
AT namiraniana quantumconductanceofballisticmicroconstrictionsinmetalswithanopenfermisurface
AT kolesnichenkoa quantumconductanceofballisticmicroconstrictionsinmetalswithanopenfermisurface
first_indexed 2025-07-09T10:37:10Z
last_indexed 2025-07-09T10:37:10Z
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