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Scattering approach to counting statistics in quantum pumps
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UNSPECIFIED (2003) Scattering approach to counting statistics in quantum pumps. PHYSICAL REVIEW B, 68 (15). -. doi:10.1103/PhysRevB.68.155304 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.68.155304
Abstract
We consider the Fermi gas in a nonequilibrium state obtained by applying an arbitrary time-dependent potential to the Fermi gas in the ground state. We present a general method that gives the quantum statistics of any single-particle quantity, such as the charge, total energy, or momentum, in this nonequilibrium state. We show that the quantum statistics may be found from the solution of a matrix Riemann-Hilbert problem. We use the method to study how the finite measuring time modifies the distribution of charge transferred through a biased quantum point contact.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW B | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 1098-0121 | ||||
Official Date: | 15 October 2003 | ||||
Dates: |
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Volume: | 68 | ||||
Number: | 15 | ||||
Number of Pages: | 9 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevB.68.155304 | ||||
Publication Status: | Published |
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