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We investigate the formation of the one-dimensional channels on the topological surface under the gate electrode. The energy dispersion of these channels is almost linear in the momentum with the velocity sensitively depending on the…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Takehito Yokoyama , Alexander V. Balatsky , Naoto Nagaosa

A theory is developed to describe the coupled transport of energy and charge in networks of electron donor-acceptor sites which are seated in a thermally heterogeneous environment, where the transfer kinetics are dominated by Marcus-type…

Mesoscale and Nanoscale Physics · Physics 2019-08-02 Galen T. Craven , Abraham Nitzan

We study theoretically transverse photoconductivity induced by circularly polarized radiation, i.e. the photovoltaic Hall effect, and linearly polarized radiation causing intraband optical transitions in two-dimensional electron gas (2DEG).…

Mesoscale and Nanoscale Physics · Physics 2021-08-25 M. V. Durnev

Substitution of Sb in FeSb$_2$ by less than 0.5% of Te induces a transition from a correlated semiconductor to an unconventional metal with large effective charge carrier mass $m^*$. Spanning the entire range of the semiconductor-metal…

Materials Science · Physics 2016-08-14 P. Sun , M. Søndergaard , Y. Sun , S. Johnsen , B. B. Iversen , F. Steglich

Evidence suggests that the transport rate of a passive particle at long timescales is enhanced due to interactions with the surrounding active ones in a size- and composition-dependent manner. Using a system of particles with different…

Soft Condensed Matter · Physics 2021-07-14 Efe Ilker , Michele Castellana , Jean-François Joanny

Novel intrinsic two-dimensional materials have attracted many researchers' attention. The unusual transport and optical properties of these materials originate mainly from triangular lattices (TLs). Therefore, the application of energy…

Mesoscale and Nanoscale Physics · Physics 2020-09-25 David M T Kuo

Thermoelectric power of a material, typically governed by its band structure and carrier density, can be varied by chemical doping that is often restricted by solubility of the dopant. Materials showing large thermoelectric power are useful…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Chang-Ran Wang , Wen-Sen Lu , Lei Hao , Wei-Li Lee , Ting-Kuo Lee , Feng Lin , I-Chun Cheng , Jian-Zhang Chen

We study conductance fluctuations in a two-dimensional electron gas as a function of chemical potential (or gate voltage) from the strongly insulating to the metallic regime. Power spectra of the fluctuations decay with two distinct…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Dragana Popović , S. Washburn

Materials in which heat and entropy can be transmitted by directed ballistic pulses can trigger new approaches to energy transduction in solids. We predict that a ballistic energy transfer mode, with heat propagation governed by a wave…

Mesoscale and Nanoscale Physics · Physics 2013-06-21 Trung V. Phan , Justin C. W. Song , Leonid S. Levitov

Potential applications of quantum dots in the nanotechnology industry make these systems an important field of study in various areas of physics. In particular, thermodynamics has a significant role in technological innovations. With this…

Mesoscale and Nanoscale Physics · Physics 2025-10-28 Luís Fernando C. Pereira , Edilberto O. Silva

Charge transfer is a fundamental process that underlies a multitude of phenomena in chemistry and biology. Recent advances in observing and manipulating charge and heat transport at the nanoscale, and recently developed techniques for…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 Galen T. Craven , Abraham Nitzan

The mesosocpic concept is applied to the theory of mixtures. The aim is to investigate the diffusion phenomenon from a mesoscopic point of view. The domain of the field quantities is extended by the set of mesoscopic variables, here the…

Statistical Mechanics · Physics 2007-05-23 A. Palumbo , C. Papenfuss , P. Rogolino

In the framework of macroscopic continuous medium approach, we studied the interaction between a fast-moving charged particle and dielectric or semiconducting media with low energy electrically active excitations. The excitations contribute…

Materials Science · Physics 2021-08-27 Mykola Yelisieiev

Graphene and other 2D materials give a platform for electromechanical sensing of biomolecules in aqueous, room temperature environments. The electronic current changes in response to mechanical deflection, indicating the presence of forces…

Mesoscale and Nanoscale Physics · Physics 2019-04-19 Maicol A. Ochoa , Michael Zwolak

The work deals with the experimental study of the emulsion whose dispersion medium is a magnetic fluid while the disperse phase is formed by a glycerin-water mixture. It is demonstrated that under effect of a magnetic field chain aggregates…

Soft Condensed Matter · Physics 2014-02-06 Arthur Zakinyan , Yuri Dikansky , Marita Bedzhanyan

The electric field in an extended phase of a liquid electrolyte exposed to a temperature gradient is attributed to different thermophoretic mobilities of the ion species. As shown herein, such Soret-type ion thermodiffusion is not required…

Fluid Dynamics · Physics 2020-12-24 Mathias Dietzel , Steffen Hardt

A T-shaped field-effect transistor, made out of a pair of two-dimensional electron gases, is modeled and studied. A simple numerical model is developed to study the electron distribution vs. applied gate voltage for different gate lengths.…

Condensed Matter · Physics 2009-10-28 G. A. Georgakis , Qian Niu

A gas of ultracold molecules interacting via the long-range dipolar potential offers a highly controlled environment in which to study strongly correlated phases. However, at particle coalescence the divergent $1/r^3$ dipolar potential and…

Quantum Gases · Physics 2016-03-09 T. M. Whitehead , G. J. Conduit

Selectively heating a microscopic colloidal particle embedded in a soft elastic matrix is a situation of high practical relevance. For instance, during hyperthermic cancer treatment, cell tissue surrounding heated magnetic colloidal…

Soft Condensed Matter · Physics 2016-05-18 Mate Puljiz , Michael Orlishausen , Werner Köhler , Andreas M. Menzel

Several models of thermionic energy nanoconverters have been proposed to study the transport phenomena that take place in electronic devices. For example, in resonant tunneling junctions those phenomena are manifested through the…

Mesoscale and Nanoscale Physics · Physics 2020-06-02 G. Valencia-Ortega , L. A. Arias-Hernandez