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相关论文: How should we interpret the two transport relaxati…

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We observe that the appearance of two transport relaxation times in the various transport coefficients of cuprate metals may be understood in terms of scattering processes that discriminate between currents that are even, or odd under the…

凝聚态物理 · 物理学 2009-10-28 P. Coleman , A. J. Schofield , A. M. Tsvelik

Transport properties of high transition temperature (high-Tc) superconductors have been shown to have two distinct relaxation rates. We argue that this apparent inconsistence can be resolved with an effective carrier density n linear in…

超导电性 · 物理学 2007-05-23 Nie Luo

It has recently been conjectured that the transport relaxation rate in metals is bounded above by the temperature of the system. In this work, we discuss the transport phenomenology of overdoped electron-doped cuprates, which we show…

The basic quantum mechanical relation between fluctuations of transported charge and current correlators is discussed. It is found that, as a rule, the correlators are to be time-ordered in an unusual way. Instances where the difference…

介观与纳米尺度物理 · 物理学 2015-05-13 S. Bachmann , G. M. Graf , G. B. Lesovik

We derive the ratio of transport and single particle relaxation times in three and two - dimensional electron gases due to scattering from charged dislocations in semiconductors. The results are compared to the respective relaxation times…

材料科学 · 物理学 2009-11-07 D. Jena , U. K. Mishra

We present a phenomenological theory of quasiparticle scattering and transport relaxation in the normal state of iron pnictides based on the simplified two-band model coupled via spin fluctuations. In analogy with anomalous properties of…

强关联电子 · 物理学 2015-05-13 P. Prelovsek , I. Sega , T. Tohyama

The strange metal phase of optimally and overdoped cuprates exhibits a number of anomalous transport properties: unsaturating linear T resistivity, distinct relaxation times for Hall angle and resistivity, temperature dependent anisotropic…

强关联电子 · 物理学 2013-05-29 Philip W Anderson , Philip A Casey

We introduce the concept of transport waves by showing that the linearized Boltzmann transport equation admits excitations in the form of waves that have well defined dispersion relations and decay times. Crucially, these waves do not…

材料科学 · 物理学 2017-10-04 Andrea Cepellotti , Nicola Marzari

We study numerically the time evolution of the transport properties of layered superconductors after different preparations. We show that, in accordance with recent experiments in BSCCO performed in the second peak region of the phase…

超导电性 · 物理学 2009-11-07 Raphael Exartier , Leticia F. Cugliandolo

We describe a broadly-applicable theory of spin relaxation in materials with incoherent charge transport; examples include amorphous inorganic semiconductors, organic semiconductors, quantum dot arrays, and systems displaying…

无序系统与神经网络 · 物理学 2014-10-21 Nicholas J. Harmon , Michael E. Flatté

The scattering of carriers by charged dislocations in semiconductors is studied within the framework of the linearized Boltzmann transport theory with an emphasis on examining consequences of the extreme anisotropy of the scattering…

无序系统与神经网络 · 物理学 2013-01-09 Bhavtosh Bansal , Rituparna Ghosh , V. Venkataraman

The statistics of charge transport across a tunnel junction with energy-dependent scattering is investigated. A model with quadratic dispersion relation is discussed in general and, independently, in the two limiting cases of a large…

介观与纳米尺度物理 · 物理学 2015-06-15 Vincent Beaud , Gian Michele Graf , Andrei V. Lebedev , Gordey B. Lesovik

We consider the junction of multiple one-dimensional systems and study how conserved currents transport at the junction. To characterize the transport process, we introduce reflection/transmission coefficients by applying boundary conformal…

高能物理 - 理论 · 物理学 2015-07-30 Taro Kimura , Masaki Murata

Pedagogical discussions are given on what constitutes a signature of spin-charge separation. A proposal is outlined to probe spin-charge separation in the normal state of the high $T_c$ cuprates using spin transport. Specifically, the…

超导电性 · 物理学 2009-10-31 Qimiao Si

We consider the scattering matrix approach to quantum electron transport in meso- and nano-conductors. This approach is an alternative to the more conventional kinetic equation and Green's function approaches, and often is more efficient…

介观与纳米尺度物理 · 物理学 2015-04-09 G. B. Lesovik , I. A. Sadovskyy

The $\mathbf k$-dependent electronic momentum relaxation rate due to Umklapp scattering from antiferromagnetic spin fluctuations is studied within a renormalized mean-field approach to an extended $t-J$ model appropriate to…

凝聚态物理 · 物理学 2009-10-28 M. J. Lercher , J. M. Wheatley

A theoretical model of c-axis transport properties in cuprates is proposed. Inter-plane and in-plane charge fluctuations make hopping between planes incoherent and diffusive (the in-plane momentum is not conserved after tunneling). The…

超导电性 · 物理学 2009-10-31 Misha Turlakov , Anthony J. Leggett

Superconductivity research is like running a marathon. Three decades after the discovery of high-Tc cuprates, there have been mass data generated from transport measurements, which bring fruitful information. In this review, we give a brief…

超导电性 · 物理学 2016-05-27 Xu Zhang , Heshan Yu , Ge He , Wei Hu , Jie Yuan , Beiyi Zhu , Kui Jin

Neutron scattering experiments have played a crucial role in characterizing the spin and charge correlations in copper-oxide superconductors. While the data are often interpreted with respect to specific theories of the cuprates, an attempt…

超导电性 · 物理学 2016-03-23 J. M. Tranquada

Using a theory which treats on equal footing transport of excited electrons and electron-phonon scattering, we are able to explain the temperature dependence of the relaxation time in Cu as recently observed by Petek, Nagano, and Ogawa. We…

凝聚态物理 · 物理学 2007-05-23 R. Knorren , G. Bouzerar , K. H. Bennemann
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