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We study experimentally and theoretically the effects of disorder, nonlinear screening, and magnetism in semiconductor heterostructures containing a $\delta$-layer of Mn, where the charge carriers are confined within a quantum well and…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Vikram Tripathi , Kusum Dhochak , B. A. Aronzon , V. V. Rylkov , A. B. Davydov , Bertrand Raquet , Michel Goiran , K. I. Kugel

Many-electron wavepacket dynamics based on time-dependent configuration interaction (TDCI) is a numerically rigorous approach to quantitatively model electron-transfer across molecular junctions. TDCI simulations of cyanobenzene…

Chemical Physics · Physics 2020-06-24 Raghunathan Ramakrishnan

The flexibility of short DNA chains is investigated via computation of the average correlation function between dimers which defines the persistence length. Path integration techniques have been applied to confine the phase space available…

Soft Condensed Matter · Physics 2018-10-19 Marco Zoli

An "almost diagonal" reduced density matrix (in coordinate representation) is usually a result of environment induced decoherence and is considered the sign of classical behavior. We point out that the proton of a ground state hydrogen atom…

Quantum Physics · Physics 2016-09-08 Gyula Bene , Szabolcs Borsanyi

We study charge transport in an ionic solution in a confined nanoscale geometry in the presence of an externally applied electric field and immobile background charges. For a range of parameters, the ion current shows non-monotonic behavior…

Statistical Mechanics · Physics 2015-05-13 Punyabrata Pradhan , Yariv Kafri , Dov Levine

Numerous unconventional superconductors such as cuprates, heavy-fermions, and twisted-bilayer graphene exhibit incoherent metallic transport above the superconducting critical temperature. This phenomenon cannot be described with…

Strongly Correlated Electrons · Physics 2026-05-06 Aaron Kleger , Nikolay Gnezdilov , Rufus Boyack

The charge transfer integral, site energy and the stacking angle fluctuations are used to study the hole and electron transport in recently synthesized dialkyl substituted thienothiophene caped benzobisthiazole (BDHTT-BBT) and…

Soft Condensed Matter · Physics 2017-05-17 K. Navamani , K. Senthilkumar

One-particle interchain hopping in a system of coupled Luttinger liquids is investigated by use of exact diagonalizations techniques. Firstly, the two chain problem of spinless fermions is studied in order to see the behaviour of the band…

Strongly Correlated Electrons · Physics 2009-10-30 S. Capponi , D. Poilblanc

Attosecond chemistry involves developing strategies to manipulate electronic coherent waves in molecules, which can influence the outcome of photoinduced reactions. While recent progress in this field calls for investigations of…

Chemical Physics · Physics 2026-04-22 Evan Munaro-Langloÿs , Franck Lépine , Victor Despré

In charged current weak interaction processes, neutrinos are produced in an entangled state with the charged lepton. This correlated state is disentangled by the measurement of the charged lepton in a detector at the production site. We…

High Energy Physics - Phenomenology · Physics 2014-11-21 Jun Wu , Jimmy A. Hutasoit , Daniel Boyanovsky , Richard Holman

The denaturation of the double helix is a template for fundamental biological functions such as replication and transcription involving the formation of local fluctuational openings. The denaturation transition is studied for heterogeneous…

Biomolecules · Quantitative Biology 2014-06-03 Marco Zoli

We theoretically consider charge transport through two quantum dots coupled in series. The corresponding full counting statistics for noninteracting electrons is investigated in the limits of sequential and coherent tunneling by means of a…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 G. Kiesslich , P. Samuelsson , A. Wacker , E. Schoell

We develop a semi-analytic deterministic framework for charged-particle transport with continuous slowing-down in energy and angular scattering. Directed transport and energy advection are treated by method-of-characteristics integration,…

Numerical Analysis · Mathematics 2026-02-10 Ben S. Ashby , Alex Lukyanov , Tristan Pryer

We propose a minimal model Hamiltonian for the electronic structure of a monomethine dye, in order to describe the photoisomerization of such dyes. The model describes interactions between three diabatic electronic states, each of which can…

Chemical Physics · Physics 2015-05-14 Seth Olsen , Ross H. McKenzie

We investigate experimentally the quantum coherence of an electronic two-level system in a double quantum dot under continuous charge detection. The charge-state of the two-level system is monitored by a capacitively coupled single quantum…

The apparent contradiction between the recently observed weak charge disproportion and the traditional Mn$^{3+}$/Mn$^{4+}$ picture of the charge-orbital orders in half-doped manganites is resolved by a novel Wannier states analysis of the…

Strongly Correlated Electrons · Physics 2015-05-13 Dmitri Volja , Wei-Guo Yin , Wei Ku

Neutrino-nucleus scattering $\nu A\to \nu A$, in which the nucleus conserves its integrity, is considered. We show that elastic interactions keeping the nucleus in the same quantum state lead to a quadratic enhancement of the corresponding…

High Energy Physics - Phenomenology · Physics 2018-09-26 Vadim A. Bednyakov , Dmitry V. Naumov

Interaction between hydrogen (H) and metals is central to many materials problems of scientific and technological importance. Chief among them is the development of H storage and H-resistant materials. H segregation or trapping at lattice…

Materials Science · Physics 2013-11-06 Weiwei Xing , Xing-Qiu Chen , Gang Lu , Dianzhong Li , Yiyi Li

Heterogeneous media constitute random disordered environments where transport is drastically hindered. Employing extensive molecular dynamics simulations, we investigate the spatio-temporal dynamics of tracer particles in the Lorentz model…

Statistical Mechanics · Physics 2013-02-14 Markus Spanner , Simon K. Schnyder , Felix Höfling , Thomas Voigtmann , Thomas Franosch

A scheme for computing charge-transfer matrix elements with the linear combination of fragment molecular orbitals and the 'nonempirically tuned range-separated' density functional is presented. It takes account of the self-consistent…

Chemical Physics · Physics 2016-04-13 Hirotaka Kitoh-Nishioka , Koji Ando