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We study the heat transfer between weakly coupled systems with flat interface. We present a simple analytical result which can be used to estimate the heat transfer coefficient. As an application we consider the heat transfer between…

材料科学 · 物理学 2015-05-19 B. N. J. Persson , H. Ueba

We introduce a direct (Seebeck) and inverse (Peltier) thermoelectric effect induced by electron tunneling between closely separated conducting films. When a transverse temperature gradient is applied along one of two films, a bias voltage…

介观与纳米尺度物理 · 物理学 2024-09-10 Mauricio Gómez Viloria , Riccardo Messina , Philippe Ben-Abdallah

We perform a comprehensive analysis of the spectrum of graphene plasmons which arise when a pair of sheets are confined between conducting materials. The associated enhanced local fields may be employed in the manipulation of light on the…

介观与纳米尺度物理 · 物理学 2017-09-05 Godfrey Gumbs , Dipendra Dahal , Antonios Balassis

The heating of electrons in graphene by laser irradiation, and its effects on the lattice structure, are studied. Values for the temperature of the electron system in realistic situations are obtained. For sufficiently high electron…

介观与纳米尺度物理 · 物理学 2023-09-20 Jose Angel Silva-Guillén , Francisco Guinea

We report an experimental and theoretical analysis of the energy exchanged between two conductors kept at different temperature and coupled by the electric thermal noise. Experimentally we determine, as functions of the temperature…

统计力学 · 物理学 2015-06-12 Sergio Ciliberto , Alberto Imparato , Antoine Naert , Marius Tanase

We present a new way to enhance the electron-phonon coupling constant and the critical superconducting temperature of graphene, significantly beyond all reported values. Using density functional theory, we explore the application effects of…

超导电性 · 物理学 2015-06-23 Jelena Pešić , Radoš Gajić , Kurt Hingerl , Milivoj Belić

An interacting double layer system, with uniform positive background, is studied at finite temperature in the presense of a strong magnetic field corresponding to half filling in each layer. By mapping this system to composite fermions in…

介观与纳米尺度物理 · 物理学 2009-10-28 S. Sakhi

In this paper thermal conductivity and thermal diffusivity of a two layer system is examined from the theoretical point of view. We use the one dimensional heat diffusion equation with the appropriate solution in each layer and boundary…

凝聚态物理 · 物理学 2009-10-28 G. Gonzalez de la Cruz , Yu. G. Gurevich

Fluorescence studies of natural photosynthetic complexes on a graphene layer demonstrate pronounced influence of the excitation wavelength on the energy transfer efficiency to graphene. Ultraviolet light yields much faster decay of…

介观与纳米尺度物理 · 物理学 2015-07-13 Sebastian Mackowski , Izabela Kamińska

We study the electronic transport properties of dual-gated bilayer graphene devices. We focus on the regime of low temperatures and high electric displacement fields, where we observe a clear exponential dependence of the resistance as a…

介观与纳米尺度物理 · 物理学 2010-10-12 Thiti Taychatanapat , Pablo Jarillo-Herrero

At low temperatures when the phonon modes are effectively frozen, photon transport is the dominating mechanism of thermal relaxation in metallic systems. Starting from a microscopic many-body Hamiltonian, we develop a nonequilibrium Green's…

介观与纳米尺度物理 · 物理学 2009-11-13 Teemu Ojanen , Tero T. Heikkila

We report on the observation of terahertz radiation induced edge photogalvanic currents in graphene, which are nonlinear in intensity. The increase of the radiation intensities up to MW/cm$^2$ results in a complex nonlinear intensity…

介观与纳米尺度物理 · 物理学 2021-10-13 S. Candussio , L. E. Golub , S. Bernreuter , T. Jötten , T. Rockinger , K. Watanabe , T. Taniguchi , J. Eroms , D. Weiss , S. D. Ganichev

Calculations of heat transfer between two plates of gold in an extreme near field is performed taking into account the existence of the electric double layer on metal surfaces. For d < 3nm the double layer contribution exceeds the…

介观与纳米尺度物理 · 物理学 2021-01-20 A. I. Volokitin

We develop a nonequilibrium Green's function theory for dispersion interactions between two nanostructures, each an open quantum system driven into a nonequilibrium steady state by an applied bias voltage. Starting from the two-particle…

介观与纳米尺度物理 · 物理学 2026-05-05 Christine M. E. Little , Daniel S. Kosov

We develop the theory of heat conductivity in supported graphene, accounting for coherent phonon scattering on disorder induced by an amorphous substrate. We derive spectra for in-plane and out-of-plane phonons in the framework of Green's…

介观与纳米尺度物理 · 物理学 2017-03-03 Sergei Koniakhin , Oleg Utesov , Ivan Terterov , Anton Nalitov

Calculations of friction and heat transfer at the water-multilayer graphene interface using the theories of phononic and radiative friction and heat transfer are presented. The phononic contributions to friction and heat transfer are many…

介观与纳米尺度物理 · 物理学 2022-03-08 A. I. Volokitin

We propose a heat current analog of the shift current, "shift heat current". We study nonlinear heat current responses to an applied ac electric field by a diagrammatic method and derive a microscopic expression for the second order dc heat…

材料科学 · 物理学 2022-08-11 Yugo Onishi , Takahiro Morimoto , Naoto Nagaosa

Owing to its two dimensional electronic structure, graphene exhibits many unique properties. One of them is a wave vector and temperature dependent plasmon in the infrared range. Theory predicts that due to these plasmons, graphene can be…

介观与纳米尺度物理 · 物理学 2013-05-30 P. J. van Zwol , S. Thiele , C. Berger , W. A. de Heer , J. Chevrier

We employ a dual-gated geometry to control the band gap \Delta in bilayer graphene and study the temperature dependence of the resistance at the charge neutrality point, RNP(T), from 220 to 1.5 K. Above 5 K, RNP(T) is dominated by two…

介观与纳米尺度物理 · 物理学 2015-05-19 K. Zou , J. Zhu

In this letter, we have demonstrated the possibility to efficiently relay the radiative heat flux between two nanoparticles by opening a smooth channel for heat transfer. By coating the nanoparticles with a silica shell and modifying the…

介观与纳米尺度物理 · 物理学 2019-12-30 Mingjian He , Hong Qi , Yatao Ren , Yijun Zhao , Mauro Antezza