English
Related papers

Related papers: Gating of a molecular transistor: Electrostatic an…

200 papers

It has been proposed that topological insulators can be best characterized not as surface conductors, but as bulk magnetoelectrics that -- under the right conditions-- have a universal quantized magnetoelectric response coefficient…

Mesoscale and Nanoscale Physics · Physics 2019-04-17 N. P. Armitage , Liang Wu

Using the bottom-up approach in a holographic setting, we attempt to study both the transport and thermodynamic properties of a generic system in 3+1 dimensional bulk spacetime. We show the exact 1/T and $T^2$ dependence of the longitudinal…

High Energy Physics - Theory · Physics 2013-05-29 Shesansu Sekhar Pal

We study the thermoelectric properties of three-dimensional topological insulators in magnetic fields with many holes (or pores) in the bulk. We find that at high density of these holes in the transport direction the thermoelectric figure…

Mesoscale and Nanoscale Physics · Physics 2012-03-15 O. A. Tretiakov , Ar. Abanov , Jairo Sinova

We present experiments on a superconductor-normal metal electron refrigerator in a regime where single-electron charging effects are significant. The system functions as a heat transistor, i.e., the heat flux out from the normal metal…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Olli-Pentti Saira , Matthias Meschke , Francesco Giazotto , Alexander M. Savin , Mikko Mottonen , Jukka P. Pekola

We develop an effective low-frequency theory of the electromagnetic field in equilibrium with thermal objects. The aim is to compute thermal magnetic noise spectra close to metallic microstructures. We focus on the limit where the material…

Mesoscale and Nanoscale Physics · Physics 2009-10-17 Carsten Henkel

Using a thermodynamically consistent, mesoscopic model for modern complementary metal-oxide-semiconductor transistors, we study an array of logical circuits and explore how their function is constrained by recent thermodynamic uncertainty…

Statistical Mechanics · Physics 2025-03-28 Phillip Helms , Songela W. Chen , David T. Limmer

Tunneling field-effect transistors (TFETs) based on 2D materials are promising steep sub-threshold swing (SS) devices due to their tight gate control. There are two major methods to create the tunnel junction in these 2D TFETs: electrical…

Mesoscale and Nanoscale Physics · Physics 2016-08-30 Hesameddin Ilatikhameneh , Gerhard Klimeck , Joerg Appenzeller , Rajib Rahman

The design of beta-Ga2O3-based modulation doped field effect transistors (MODFETs) is discussed with a focus on the role of self-heating and resultant modification of the electron mobility profile. Temperature- and doping-dependent model of…

Applied Physics · Physics 2021-05-11 Michael Mastro , Marko J. Tadjer , Jihyun Kim , Fan Ren , Stephen J. Pearton

Electrostatic properties of two-dimensional nanosystems can be described by their geometry resonances. In this paper we prove that these modes as well as the corresponding eigenvalues are invariant under any conformal transformation. This…

Classical Physics · Physics 2015-05-20 Yong Zeng , Jinjie Liu , Douglas H. Werner

We demonstrate control over heat flow in an N-terminal molecular junction. Using simple model Hamiltonians we show that the heat current through two terminals can be tuned, switched, and amplified, by the temperature and coupling parameters…

Soft Condensed Matter · Physics 2009-11-13 Dvira Segal

We employ the time-dependent non-crossing approximation to investigate the joint effect of strong electron-electron and electron-phonon interaction on the instantaneous conductance of a single molecule transistor which is abruply moved into…

Strongly Correlated Electrons · Physics 2010-10-19 Ali Goker

The possibility of electron beam guiding is theoretically explored on the surface of a topological insulator through the proximity interaction with a magnetic material. The electronic band modification induced by the exchange coupling at…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Xiaodong Li , Ki Wook Kim

Tunneling surface current through a thin ferromagnetic barrier in a three-dimensional topological insulator is shown to possess an extraordinary response to the orientation of barrier magnetization. In contrast to conventional…

Strongly Correlated Electrons · Physics 2015-05-27 B. D. Kong , Y. G. Semenov , C. Krowne , K. W. Kim

For an electron density near the H=0 insulator-to-conductor transition, the magnetoconductivity of the low-temperature conducting phase in high-mobility silicon MOSFETs is consistent with the form…

Disordered Systems and Neural Networks · Physics 2007-05-23 D. Simonian , S. V. Kravchenko , M. P. Sarachik , V. M. Pudalov

Within the framework of nonequilibrium Green's functions, we investigate the thermoelectric transport in a single molecular junction with electron-phonon and electron-electron interactions. By transforming into a displaced phonon basis, we…

Mesoscale and Nanoscale Physics · Physics 2012-04-26 Jie Ren , Jian-Xin Zhu , James E. Gubernatis , Chen Wang , Baowen Li

We present here a simple qualitative model that interpolates between the high and low temperature properties of quasi-1D conductors. At high temperatures we argue that transport is governed by inelastic scattering whereas at low…

Disordered Systems and Neural Networks · Physics 2009-10-30 Ivar Martin , Philip Phillips

The electrodynamics of topological insulators (TIs) is described by modified Maxwell's equations, which contain additional terms that couple an electric field to a magnetization and a magnetic field to a polarization of the medium, such…

Strongly Correlated Electrons · Physics 2017-05-16 V. Dziom , A. Shuvaev , A. Pimenov , G. V. Astakhov , C. Ames , K. Bendias , J. Böttcher , G. Tkachov , E. M. Hankiewicz , C. Brüne , H Buhmann , L. W. Molenkamp

We study the magnetotransport in a minimal holographic setup of a metal-insulator transition in two spatial dimensions. Some generic features are obtained without referring to the non-linear details of the holographic theory. The…

High Energy Physics - Theory · Physics 2020-10-28 Yu-Sen An , Teng Ji , Li Li

We have investigated the Mott transition in a quasi-two-dimensional Mott insulator EtMe$_3$P[Pd(dmit)$_2$]$_2$ with a spin-frustrated triangular lattice in hydrostatic pressure and magnetic field. In the pressure-temperature ($P$-$T$) phase…

Strongly Correlated Electrons · Physics 2009-11-11 Yasuhiro Shimizu , Hikota Akimoto , Hiroyuki Tsujii , Akiko Tajima , Reizo Kato

We investigate the impact of geometric constriction on the viscous flow of electron liquid through quantum point contacts. We provide analysis on the electric potential distribution given the setup of a slit configuration and use the method…

Mesoscale and Nanoscale Physics · Physics 2021-10-27 Songci Li , Maxim Khodas , Alex Levchenko