Ballistic electronic transport in quantum cables
| ISSN: |
1089-7550
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|---|---|
| Source: |
AIP Digital Archive
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| Topics: |
Physics
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| Notes: |
We studied theoretically ballistic electronic transport in a proposed mesoscopic structure—quantum cable. Our results demonstrated that quantum cable is a unique structure for the study of mesoscopic transport. With the increasing Fermi energy of electrons, the ballistic conductance of quantum cable increases in a series of steps with different height. Besides the steps of one and two quantum conductance units (2e2/h), conductance steps of three and four quantum conductance units can be also expected due to the accidental degeneracies (crossings) of the transverse subbands of quantum cable. As one of the cable structure parameters is varied, the width of conductance plateaus varies in the nonmonotonous way, which arises from the nonmonotonic variation of the separation between the adjoining transverse subbands. In the weak coupling limit, the first two conductance plateaus are both of just one quantum conductance unit 2e2/h for the quantum cable structure of two cylindrical wires with similar thicknesses. © 2000 American Institute of Physics.
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| Type of Medium: |
Electronic Resource
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| URL: |
| _version_ | 1798289686375956481 |
|---|---|
| autor | Zeng, Z. Y. Xiang, Y. Zhang, L. D. |
| autorsonst | Zeng, Z. Y. Xiang, Y. Zhang, L. D. |
| book_url | http://dx.doi.org/10.1063/1.1288227 |
| datenlieferant | nat_lic_papers |
| hauptsatz | hsatz_simple |
| identnr | NLZ218387733 |
| iqvoc_descriptor_title | iqvoc_00000124:transport |
| issn | 1089-7550 |
| journal_name | Journal of Applied Physics |
| materialart | 1 |
| notes | We studied theoretically ballistic electronic transport in a proposed mesoscopic structure—quantum cable. Our results demonstrated that quantum cable is a unique structure for the study of mesoscopic transport. With the increasing Fermi energy of electrons, the ballistic conductance of quantum cable increases in a series of steps with different height. Besides the steps of one and two quantum conductance units (2e2/h), conductance steps of three and four quantum conductance units can be also expected due to the accidental degeneracies (crossings) of the transverse subbands of quantum cable. As one of the cable structure parameters is varied, the width of conductance plateaus varies in the nonmonotonous way, which arises from the nonmonotonic variation of the separation between the adjoining transverse subbands. In the weak coupling limit, the first two conductance plateaus are both of just one quantum conductance unit 2e2/h for the quantum cable structure of two cylindrical wires with similar thicknesses. © 2000 American Institute of Physics. |
| package_name | American Institute of Physics (AIP) |
| publikationsjahr_anzeige | 2000 |
| publikationsjahr_facette | 2000 |
| publikationsjahr_intervall | 7999:2000-2004 |
| publikationsjahr_sort | 2000 |
| publikationsort | [S.l.] |
| publisher | American Institute of Physics (AIP) |
| reference | 88 (2000), S. 2617-2622 |
| search_space | articles |
| shingle_author_1 | Zeng, Z. Y. Xiang, Y. Zhang, L. D. |
| shingle_author_2 | Zeng, Z. Y. Xiang, Y. Zhang, L. D. |
| shingle_author_3 | Zeng, Z. Y. Xiang, Y. Zhang, L. D. |
| shingle_author_4 | Zeng, Z. Y. Xiang, Y. Zhang, L. D. |
| shingle_catch_all_1 | Zeng, Z. Y. Xiang, Y. Zhang, L. D. Ballistic electronic transport in quantum cables We studied theoretically ballistic electronic transport in a proposed mesoscopic structure—quantum cable. Our results demonstrated that quantum cable is a unique structure for the study of mesoscopic transport. With the increasing Fermi energy of electrons, the ballistic conductance of quantum cable increases in a series of steps with different height. Besides the steps of one and two quantum conductance units (2e2/h), conductance steps of three and four quantum conductance units can be also expected due to the accidental degeneracies (crossings) of the transverse subbands of quantum cable. As one of the cable structure parameters is varied, the width of conductance plateaus varies in the nonmonotonous way, which arises from the nonmonotonic variation of the separation between the adjoining transverse subbands. In the weak coupling limit, the first two conductance plateaus are both of just one quantum conductance unit 2e2/h for the quantum cable structure of two cylindrical wires with similar thicknesses. © 2000 American Institute of Physics. 1089-7550 10897550 American Institute of Physics (AIP) |
| shingle_catch_all_2 | Zeng, Z. Y. Xiang, Y. Zhang, L. D. Ballistic electronic transport in quantum cables We studied theoretically ballistic electronic transport in a proposed mesoscopic structure—quantum cable. Our results demonstrated that quantum cable is a unique structure for the study of mesoscopic transport. With the increasing Fermi energy of electrons, the ballistic conductance of quantum cable increases in a series of steps with different height. Besides the steps of one and two quantum conductance units (2e2/h), conductance steps of three and four quantum conductance units can be also expected due to the accidental degeneracies (crossings) of the transverse subbands of quantum cable. As one of the cable structure parameters is varied, the width of conductance plateaus varies in the nonmonotonous way, which arises from the nonmonotonic variation of the separation between the adjoining transverse subbands. In the weak coupling limit, the first two conductance plateaus are both of just one quantum conductance unit 2e2/h for the quantum cable structure of two cylindrical wires with similar thicknesses. © 2000 American Institute of Physics. 1089-7550 10897550 American Institute of Physics (AIP) |
| shingle_catch_all_3 | Zeng, Z. Y. Xiang, Y. Zhang, L. D. Ballistic electronic transport in quantum cables We studied theoretically ballistic electronic transport in a proposed mesoscopic structure—quantum cable. Our results demonstrated that quantum cable is a unique structure for the study of mesoscopic transport. With the increasing Fermi energy of electrons, the ballistic conductance of quantum cable increases in a series of steps with different height. Besides the steps of one and two quantum conductance units (2e2/h), conductance steps of three and four quantum conductance units can be also expected due to the accidental degeneracies (crossings) of the transverse subbands of quantum cable. As one of the cable structure parameters is varied, the width of conductance plateaus varies in the nonmonotonous way, which arises from the nonmonotonic variation of the separation between the adjoining transverse subbands. In the weak coupling limit, the first two conductance plateaus are both of just one quantum conductance unit 2e2/h for the quantum cable structure of two cylindrical wires with similar thicknesses. © 2000 American Institute of Physics. 1089-7550 10897550 American Institute of Physics (AIP) |
| shingle_catch_all_4 | Zeng, Z. Y. Xiang, Y. Zhang, L. D. Ballistic electronic transport in quantum cables We studied theoretically ballistic electronic transport in a proposed mesoscopic structure—quantum cable. Our results demonstrated that quantum cable is a unique structure for the study of mesoscopic transport. With the increasing Fermi energy of electrons, the ballistic conductance of quantum cable increases in a series of steps with different height. Besides the steps of one and two quantum conductance units (2e2/h), conductance steps of three and four quantum conductance units can be also expected due to the accidental degeneracies (crossings) of the transverse subbands of quantum cable. As one of the cable structure parameters is varied, the width of conductance plateaus varies in the nonmonotonous way, which arises from the nonmonotonic variation of the separation between the adjoining transverse subbands. In the weak coupling limit, the first two conductance plateaus are both of just one quantum conductance unit 2e2/h for the quantum cable structure of two cylindrical wires with similar thicknesses. © 2000 American Institute of Physics. 1089-7550 10897550 American Institute of Physics (AIP) |
| shingle_title_1 | Ballistic electronic transport in quantum cables |
| shingle_title_2 | Ballistic electronic transport in quantum cables |
| shingle_title_3 | Ballistic electronic transport in quantum cables |
| shingle_title_4 | Ballistic electronic transport in quantum cables |
| sigel_instance_filter | dkfz geomar wilbert ipn albert |
| source_archive | AIP Digital Archive |
| timestamp | 2024-05-06T08:04:46.903Z |
| titel | Ballistic electronic transport in quantum cables |
| titel_suche | Ballistic electronic transport in quantum cables |
| topic | U |
| uid | nat_lic_papers_NLZ218387733 |