Quantum Heat Fluctuations of Single-Particle Sources

被引：45

作者：

Battista, F. ^{[1
]}

Moskalets, M. ^{[2
]}

Albert, M. ^{[3
]}

Samuelsson, P. ^{[1
]}

机构：

[1] Lund Univ, Div Math Phys, S-22100 Lund, Sweden

[2] NTU Kharkiv Polytech Inst, Dept Met & Semicond Phys, UA-61002 Kharkov, Ukraine

[3] Univ Paris 11, Lab Phys Solides, F-91405 Orsay, France

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 110卷 / 12期

关键词：

COUNTING STATISTICS; SHOT-NOISE; CONDUCTORS;

D O I：

10.1103/PhysRevLett.110.126602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Optimal single electron sources emit regular streams of particles, displaying no low-frequency charge current noise. Because of the wave packet nature of the emitted particles, the energy is, however, fluctuating, giving rise to heat current noise. We investigate theoretically this quantum source of heat noise for an emitter coupled to an electronic probe in the hot-electron regime. The distribution of temperature and potential fluctuations induced in the probe is shown to provide direct information on the single-particle wave function properties and display strong nonclassical features. DOI: 10.1103/PhysRevLett.110.126602

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页数：5

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