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At low temperatures the phase diagram for the quantum Hall effect has a powerful symmetry arising from the Law of Corresponding States. This symmetry gives rise to an infinite order discrete group which is a generalisation of…

介观与纳米尺度物理 · 物理学 2009-10-31 Brian P. Dolan

Thermoelectric generation is an essential function of future energy-saving technologies. However, this generation has been an exclusive feature of electric conductors, a situation which inflicts a heavy toll on its application; a conduction…

Sessile drop vertical vibrations and atomization is commonly analyzed by simpler unconstrained instabilities like Faraday waves and hence, detailed studies of the phenomenon are still an open question to the fluid dynamics community. We…

流体动力学 · 物理学 2023-11-01 Debashis Panda

The liquid flow and conjugated heat transfer performance of single-phase laminar flow in rectangular microchannels equipped with longitudinal vortex generators (LVGs) are numerically investigated. Deionized-water with temperature-dependent…

流体动力学 · 物理学 2018-11-08 Amin Ebrahimi , Ehsan Roohi , Saeid Kheradmand

As a genuine many-body entanglement, spin squeezing (SS) can be used to realize the highly precise measurement beyond the limit constrained by classical physics. Its generation has attracted much attention recently. It was reported that $N$…

量子物理 · 物理学 2021-08-18 Si-Yuan Bai , Jun-Hong An

We present direct numerical simulation of a mechanism for creating longitudinal vortices in pipe flow, compared with a simple model theory. By furnishing the pipe wall with a pattern of crossing waves secondary flow in the form of spanwise…

流体动力学 · 物理学 2022-05-12 Simen Å. Ellingsen , Andreas H. Akselsen , Leon Chan

Recent advances in nanofluidics have enabled the confinement of water down to a single molecular layer. Such monolayer electrolytes show promise in achieving bio-inspired functionalities through molecular control of ion transport. However,…

软凝聚态物质 · 物理学 2021-09-08 Paul Robin , Nikita Kavokine , Lydéric Bocquet

Recent technological advances allow fabricating ultraclean two-dimensional electronic systems where the electron mean free path due to static disorder and phonons is much larger compared to the conducting channel width. It makes possible to…

介观与纳米尺度物理 · 物理学 2024-01-08 K. K. Grigoryan , D. S. Zohrabyan , M. M. Glazov

Electron skew scattering by impurities is one of the major mechanisms behind the anomalous Hall effect in ferromagnetic nanostructures. It is particularly strong at the surface of topological insulators where electron dynamics is governed…

介观与纳米尺度物理 · 物理学 2024-08-30 Cooper Finnigan , Dmitry K. Efimkin

We study the spin dynamics in the presence of impurity and electron-electron (e-e) scattering in a III-V semiconductor quantum well with arbitrary spin-orbit coupling (SOC) strength and symmetry at finite temperature. We derive the coupled…

无序系统与神经网络 · 物理学 2015-06-11 Xin Liu , Jairo Sinova

We study an electrically controlled quantum spin Hall antidot embedded in a two-dimensional topological insulating bar. Helical edge states around the antidot and along the edges of the bar are tunnel coupled. The close connection between…

介观与纳米尺度物理 · 物理学 2013-02-22 Giacomo Dolcetto , Fabio Cavaliere , Dario Ferraro , Maura Sassetti

We propose a simple way of evaluating the bulk spin generation of an arbitrary crystal with a known band structure in the strong spin-orbit coupling limit. We show that, in the presence of an electric field, there exists an intrinsic torque…

介观与纳米尺度物理 · 物理学 2009-11-10 Dimitrie Culcer , Yugui Yao , Allan MacDonald , Qian Niu

We propose a ``spin-guide'' source for generation of electric currents with a high degree of spin polarization, allowing long-distance transmission of the spin-polarization. In the spin-guide scheme proposed here, a non-magnetic conducting…

介观与纳米尺度物理 · 物理学 2007-05-23 R. N. Gurzhi , A. N. Kalinenko , A. I. Kopeliovich , A. V. Yanovsky , E. N. Bogachek , Uzi Landman

The energy cascade and diverse turbulence properties of active-grid-generated turbulence were studied in a wind tunnel via hot-wire anemometry. To this aim, two active grid protocols were considered. The first protocol is the standard…

流体动力学 · 物理学 2019-10-09 D. O. Mora , E. Muñiz Pladellorens , P. Riera Turró , M. Lagauzere , M. Obligado

We derive from first principles the existence of a low-frequency plasmon in a strongly coupled three-dimensional homogeneous electron gas (HEG). From its dispersion and its satisfaction of the 3rd frequency sum rule we identify it with the…

等离子体物理 · 物理学 2023-12-29 Gabor J. Kalman , Kenneth I. Golden , Luciano G. Silvestri

Electron magnetohydrodynamic (EMHD) turbulence in two dimensions is studied via high-resolution numerical simulations with a normal diffusivity. The resulting energy spectra asymptotically approach a $k^{-5/2}$ law with increasing $R_B$,…

等离子体物理 · 物理学 2009-05-01 C. J. Wareing , R. Hollerbach

Gradient-flow sampling interprets a Gibbs distribution as the minimizer of an energy functional over probability measures and generates dynamics converging to this target. Under spherical Hellinger-Kantorovich (SHK) geometry, the flow…

机器学习 · 统计学 2026-05-25 Aratrika Mustafi , Soumya Mukherjee

Recent experimental results suggest that a particular hydrodynamic theory describes charge fluctuations at long wavelengths in the square-lattice Hubbard model. Due to the continuity equation, the correlation functions for the charge and…

强关联电子 · 物理学 2025-02-05 J. Vucicevic , S. Predin , M. Ferrero

We study experimentally the dynamics and statistics of capillary waves forced by random steep gravity waves mechanically generated in laboratory. Capillary waves are produced here by gravity waves from nonlinear wave interactions. Using a…

流体动力学 · 物理学 2018-08-01 Michael Berhanu , Eric Falcon , Luc Deike

The physical mechanisms regulating the power sharing at the outer targets of L-mode double-null (DN) configurations are investigated using nonlinear, flux-driven, three-dimensional two-fluid simulations. Scans of parameters that regulate…

等离子体物理 · 物理学 2024-07-01 K. Lim , P. Ricci , L. Stenger , B. De Lucca , G. Durr-Legoupil-Nicoud , O. Février , C. Theiler , K. Verhaegh