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A qualitative model describing the "anomalous" features of the conductivity of polymer nanocomposites, in particular, switching to the conducting state in relatively thick (tens of microns or more) of flexible PVC films is considered. In…

软凝聚态物质 · 物理学 2013-02-26 D. V. Vlasov , L. A. Apresyan

We use a novel technique to experimentally explore transport properties through a single metallic nanoparticle with variable coupling to electric leads. For strong dot-lead coupling the conductance is an oscillatory function of the gate…

介观与纳米尺度物理 · 物理学 2017-09-05 O. Bitton , A. Frydman , R. Berkovits , D. B. Gutman

Designing microscopic and nanoscopic self-propelled particles and characterising their motion has become a major scientific challenge over the past decades. To this purpose, phoretic effects, namely propulsion mechanisms relying on local…

软凝聚态物质 · 物理学 2021-04-09 Pierre Illien , Ramin Golestanian , Ayusman Sen

Nonlinear effects are omnipresent in thin films of ion conducting materials showing up as a significant increase of the conductivity. For a disordered hopping model general physical mechanisms are identified giving rise to the occurrence of…

无序系统与神经网络 · 物理学 2015-06-18 Andreas Heuer , Lars Luehning

Doping mobile carriers into ordinary semiconductors such as Si, GaAs, and ZnO was the enabling step in the electronic and optoelectronic revolutions. The recent emergence of a class of "Quantum Materials", where uniquely quantum…

材料科学 · 物理学 2020-11-30 Alex Zunger , Oleksandr I. Malyi

Systematic description of a spin one-half system endowed with magnetic moment or any other two-level system (qubit) interacting with the quantized electromagnetic field is developed. This description exploits a close analogy between a…

量子物理 · 物理学 2009-11-13 Iwo Bialynicki-Birula , Tomasz Sowinski

We use the system of p-adic numbers for the description of information processes. Basic objects of our models are so called transformers of information, basic processes are information processes, the statistics are information statistics…

量子物理 · 物理学 2007-05-23 Andrei Khrennikov

The results of experimental studies of conductivity anomalies in film samples of specially synthesized copolymer are analyzed, in which in PVC macromolecules the polyacetylene molecular fragments are embedded with a variable concentration.…

无序系统与神经网络 · 物理学 2013-12-17 D. V. Vlasov , V. I. Kryshtob L. A. Apresyan , T. V. Vlasova , S. I. Rasmagin

We present a methodology based on quantum mechanics for assigning quantum conductivity when an ac field is applied across a variable gap between two plasmonic nanoparticles with an insulator sandwiched between them. The quantum tunneling…

Correlated materials are known to display qualitatively distinct emergent behaviors at low energy. Conveniently, upon absorbing rapid quantum fluctuations, these rich low-energy behaviors can always be effectively described by dressed…

强关联电子 · 物理学 2026-01-22 Ruoshi Jiang , Fangyuan Gu , Wei Ku

Electrodynamics of composite materials with fractal geometry is studied in the framework of fractional calculus. This consideration establishes a link between fractal geometry of the media and fractional integro-differentiation. The…

材料科学 · 物理学 2015-04-07 E. Baskin , A. Iomin

Electronic conduction in conjugated polymers is of emerging technological interest for high-performance optoelectronic and thermoelectric devices. A completely new aspect and understanding of the conduction mechanism on conducting polymers…

材料科学 · 物理学 2015-08-18 Asli Ugur , Ferhat Katmis , Mingda Li , Lijun Wu , Yimei Zhu , Kripa K. Varanasi , Karen K. Gleason

The electrical transport properties of atomic-scale conductors are reviewed, with an emphasis on the relations of this problem with studies on quantum size effects in metallic clusters. A brief introduction is given of the natural formalism…

介观与纳米尺度物理 · 物理学 2007-05-23 J. M. van Ruitenbeek

We analyze behavior of correlated electrons described by Hubbard-like models at intermediate and strong coupling. We show that with increasing interaction a pole in a generic two-particle Green function is approached. The pole signals…

强关联电子 · 物理学 2009-10-30 V. Janis

Conductance histograms are a valuable tool to study the intrinsic conduction properties of metallic atomic-sized contacts. These histograms show a peak structure, which is characteristic of the type of metal under investigation. Despite the…

介观与纳米尺度物理 · 物理学 2007-06-13 F. Pauly , M. Dreher , J. K. Viljas , M. Häfner , J. C. Cuevas , P. Nielaba

Systems of quantum dots (QD) connected to leads exhibit periodic conductance peaks as a function of gate voltage arising from the Coulomb blockade effect \cite{review1,review2,review3}. Much effort goes into minimizing the size of QDs and…

介观与纳米尺度物理 · 物理学 2009-07-29 L. Bitton , R. Berkovits , A. Frydman

Impressive advances in the field of molecular spintronics allow one to study electron transport through individual magnetic molecules embedded between metallic leads in the purely quantum regime of single electron tunneling. Besides…

强关联电子 · 物理学 2019-09-05 Alessandro Chiesa , Emilio Macaluso , Paolo Santini , Stefano Carretta , Eva Pavarini

This article discusses a p-adic version of the infinite potential well in quantum mechanics (QM). This model describes the confinement of a particle in a p-adic ball. We rigorously solve the Cauchy problem for the Schr\"odinger equation and…

量子物理 · 物理学 2024-12-16 W. A. Zúñiga-Galindo , Nathaniel P. Mayes

The present paper is based upon equations obtained in an earlier paper by the author devoted to a new formulation of quantum electrodynamics. The equations describe the structure of the electron as well as its motion in external fields,…

综合物理 · 物理学 2016-10-05 V. A. Golovko

We have studied conductance ($\it{g}$) of butanedithiol-linked gold nanoparticle films across a percolation insulator-to-metal transition. As the transition proceeds, electrons become itinerant (i.e. Coulomb charging and kinetic effects are…

强关联电子 · 物理学 2011-05-31 Patrick Joanis , Monique Tie , Al-Amin Dhirani
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