Low-temperature fate of the 0.7 structure in a point contact: A Kondo-like correlated state in an open system

S. M. Cronenwett; S. M. Cronenwett; H. J. Lynch; D. Goldhaber-Gordon; D. Goldhaber-Gordon; L. P. Kouwenhoven; C. M. Marcus; K. Hirose; N. S. Wingreen; V. Umansky

doi:10.1103/PhysRevLett.88.226805

Low-temperature fate of the 0.7 structure in a point contact: A Kondo-like correlated state in an open system

S. M. Cronenwett, S. M. Cronenwett, H. J. Lynch, D. Goldhaber-Gordon, D. Goldhaber-Gordon, L. P. Kouwenhoven, C. M. Marcus, K. Hirose, N. S. Wingreen, V. Umansky

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Abstract

An overview is given on the experimental evidence that at low temperature the unpaired spin associated with the 0.7 structure forms a Kondo-like many-body state. The evidence presented includes: 1) a narrow conductance peak at zero source-drain bias that forms at low temperature, 2) collapse of conductance data onto a single function, 3) correspondence between the Kondo scaling factor and the width of the zero-bias peak, and 4) splitting of the zero-bias peak in a magnetic field.

Original language	English (US)
Article number	226805
Pages (from-to)	226805/1-226805/4
Journal	Physical review letters
Volume	88
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.88.226805
State	Published - Jun 3 2002

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.88.226805

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Cronenwett, S. M., Cronenwett, S. M., Lynch, H. J., Goldhaber-Gordon, D., Goldhaber-Gordon, D., Kouwenhoven, L. P., Marcus, C. M., Hirose, K., Wingreen, N. S., & Umansky, V. (2002). Low-temperature fate of the 0.7 structure in a point contact: A Kondo-like correlated state in an open system. Physical review letters, 88(22), 226805/1-226805/4. Article 226805. https://doi.org/10.1103/PhysRevLett.88.226805

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title = "Low-temperature fate of the 0.7 structure in a point contact: A Kondo-like correlated state in an open system",

abstract = "An overview is given on the experimental evidence that at low temperature the unpaired spin associated with the 0.7 structure forms a Kondo-like many-body state. The evidence presented includes: 1) a narrow conductance peak at zero source-drain bias that forms at low temperature, 2) collapse of conductance data onto a single function, 3) correspondence between the Kondo scaling factor and the width of the zero-bias peak, and 4) splitting of the zero-bias peak in a magnetic field.",

author = "Cronenwett, {S. M.} and Cronenwett, {S. M.} and Lynch, {H. J.} and D. Goldhaber-Gordon and D. Goldhaber-Gordon and Kouwenhoven, {L. P.} and Marcus, {C. M.} and K. Hirose and Wingreen, {N. S.} and V. Umansky",

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doi = "10.1103/PhysRevLett.88.226805",

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Cronenwett, SM, Cronenwett, SM, Lynch, HJ, Goldhaber-Gordon, D, Goldhaber-Gordon, D, Kouwenhoven, LP, Marcus, CM, Hirose, K, Wingreen, NS & Umansky, V 2002, 'Low-temperature fate of the 0.7 structure in a point contact: A Kondo-like correlated state in an open system', Physical review letters, vol. 88, no. 22, 226805, pp. 226805/1-226805/4. https://doi.org/10.1103/PhysRevLett.88.226805

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AU - Cronenwett, S. M.

AU - Lynch, H. J.

AU - Goldhaber-Gordon, D.

AU - Kouwenhoven, L. P.

AU - Marcus, C. M.

AU - Hirose, K.

AU - Wingreen, N. S.

AU - Umansky, V.

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Y1 - 2002/6/3

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AB - An overview is given on the experimental evidence that at low temperature the unpaired spin associated with the 0.7 structure forms a Kondo-like many-body state. The evidence presented includes: 1) a narrow conductance peak at zero source-drain bias that forms at low temperature, 2) collapse of conductance data onto a single function, 3) correspondence between the Kondo scaling factor and the width of the zero-bias peak, and 4) splitting of the zero-bias peak in a magnetic field.

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Low-temperature fate of the 0.7 structure in a point contact: A Kondo-like correlated state in an open system

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