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Related papers: Vibrationally-mediated molecular transistors

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The evolution of the properties of a finite density electronic system as the electron-phonon coupling is increased are investigated in the Holstein model using the Dynamical Mean-Field Theory (DMFT). We compare the spinless fermion case, in…

Strongly Correlated Electrons · Physics 2025-12-12 M. Capone , P. Carta , S. Ciuchi

We calculate the nonequilibrium conductance through a molecule or a quantum dot in which the occupation of the relevant electronic level is coupled with intensity $\lambda$ to a phonon mode, and also to two conducting leads. The system is…

Strongly Correlated Electrons · Physics 2015-06-15 P. Roura-Bas , L. Tosi , A. A. Aligia

Exciton transport in 2D semiconductors holds promise for room-temperature, ultra-compact optoelectronic devices, but it is limited by short propagation distances. Hybridization of excitons with cavity photons to form exciton-polaritons can…

Mesoscale and Nanoscale Physics · Physics 2025-07-08 Jamie M. Fitzgerald , Roberto Rosati , Ermin Malic

Strong coupling between excitons and confined modes of light presents a promising pathway to tunable and enhanced energy transport in organic materials. By forming hybrid light-matter quasiparticles, exciton-polaritons, electronic…

Chemical Physics · Physics 2024-11-01 Niclas Krupp , Gerrit Groenhof , Oriol Vendrell

Standing slow-mode waves have been recently observed in flaring loops by the Atmospheric Imaging Assembly (AIA) of the Solar Dynamics Observatory (SDO). By means of the coronal seismology technique transport coefficients in hot ($\sim$10…

Solar and Stellar Astrophysics · Physics 2018-07-04 Tongjiang Wang , Leon Ofman , Xudong Sun , Sami K Solanki , Joseph M Davila

We carry out experiments on single-molecule junctions at low temperatures, using the mechanically controlled break junction technique. Analyzing the results received with more than ten different molecules the nature of the first peak in the…

Mesoscale and Nanoscale Physics · Physics 2012-03-21 Daniel Secker , Stefan Wagner , Stefan Ballmann , Rainer Härtle , Michael Thoss , Heiko B. Weber

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 electronic structure, lattice dynamics, and electron-phonon coupling of the boron-doped diamond are investigated using the density functional supercell method. Our results indicate the boron-doped diamond is a phonon mediated…

Superconductivity · Physics 2007-05-23 H. J. Xiang , Zhenyu Li , Jinlong Yang , J. G. Hou , Qingshi Zhu

The traditional picture of heat transfer in solids by atomic vibrations, also known as phonons, involves phonons scattering with each other like gas particles and is commonly referred to as the phonon gas model (PGM). This physical picture…

Materials Science · Physics 2021-08-11 Andrew Rohskopf , Ruiyang Li , Tengfei Luo , Asegun Henry

Dynamical simulations of polaron transport in conjugated polymers in the presence of an external time-dependent electric field have been performed within a combined extended Hubbard model (EHM) and Su-Schrieffer-Heeger (SSH) model. Nearly…

Materials Science · Physics 2016-09-28 Haibo Ma , Ulrich Schollwoeck

We present a unified and nonperturbative method for calculating spectral and transport properties of Hamiltonians with simultaneous Holstein (diagonal) and Peierls (off-diagonal) electron-phonon coupling. Our approach is motivated by the…

Materials Science · Physics 2020-07-01 Jonathan H. Fetherolf , Denis Golez , Timothy C. Berkelbach

The interaction between the electric dipole moment of a trapped molecular ion and the configuration of the confined Coulomb crystal couples the orientation of the molecule to its motion. We consider the practical feasibility of harnessing…

Atomic Physics · Physics 2020-09-23 Wesley C. Campbell , Eric R. Hudson

Coupled electromechanical resonators that can be independently driven/detected and easily integrated with external circuits are essential for exploring mechanical modes based signal processing. Here, we present a room temperature…

Mesoscale and Nanoscale Physics · Physics 2022-09-13 Alok Pokharel , Hao Xu , Srisaran Venkatachalam , Eddy Collin , Xin Zhou

Electron-phonon and electron-electron interactions are in competition in determining the properties of molecular charge transfer conductors and superconductors. The direct influence of phonons on the electron-electron interaction was not…

Strongly Correlated Electrons · Physics 2009-10-31 M. Meneghetti

We describe a variational method to solve the Holstein model for an electron coupled to dynamical, quantum phonons on an infinite lattice. The variational space can be systematically expanded to achieve high accuracy with modest…

Strongly Correlated Electrons · Physics 2009-10-31 J. Bonca , S. A. Trugman , I. Batistic

We investigate the electron transport properties of a model magnetic molecule formed by two magnetic centers whose exchange coupling can be altered with a longitudinal electric field. In general we find a negative differential conductance…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Sujeet K. Shukla , Stefano Sanvito

When molecular transitions strongly couple to photon modes, they form hybrid light-matter modes called polaritons. Collective vibrational strong coupling is a promising avenue for control of chemistry, but this can be deterred by the large…

Charge carriers in organic semiconductors form polarons, which are self-localized states stabilized by interactions with their environment. Using a dielectric-stabilized tight-binding model parameterized from first-principles calculations,…

Materials Science · Physics 2025-10-22 Vishal Jindal , Scott T. Milner

We show how one can measure the signal from slow jumps of a single molecule between metastable positions using a setup where the molecule is fixed to one lead, and one of the coupling strengths is controlled externally. Such a measurement…

Mesoscale and Nanoscale Physics · Physics 2013-04-04 Tero T. Heikkila , Wolfgang Belzig

Optical conductivity in molecular semiconductors is suppressed in the terahertz region, featuring the displaced Drude peak that reflects carriers' transient localization (TL) by slow intermolecular vibrations. Meanwhile, recent computations…

Chemical Physics · Physics 2025-11-24 Veljko Janković