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The magnetic dissipative droplet is a strongly nonlinear wave structure that can be stabilized in a thin film ferromagnet exhibiting perpendicular magnetic anisotropy by use of spin transfer torque. These structures have been observed…

Mesoscale and Nanoscale Physics · Physics 2016-04-12 P. Wills , E. Iacocca , M. A. Hoefer

Controlling the momentum of carriers in semiconductors, known as valley polarization, is a new resource for optoelectronics and information technologies. Materials exhibiting high polarization are needed for valley-based devices. Few-layer…

Mesoscale and Nanoscale Physics · Physics 2022-12-14 Rasmus H. Godiksen , Shaojun Wang , T. V. Raziman , Jaime Gómez Rivas , Alberto G. Curto

We present a model for theoretical description of the dynamics of a system of spinor cavity polaritons in real space and time accounting for all relevant types of the interactions and effective magnetic fields. We apply our general…

Mesoscale and Nanoscale Physics · Physics 2013-03-15 Ö. Bozat , I. G. Savenko , I. A. Shelykh

A curved two dimensional electron gas with spin-orbit interactions due to the radial confinement asymmetry is considered. At certain relation between the spin-orbit coupling strength and curvature radius the tangential component of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Maxim Trushin , John Schliemann

We calculate the spin-Hall conductivity for a two-dimensional electron gas within the self-consistent Born approximation, varying the strength and type of disorder. In the weak disorder limit we find both analytically and numerically a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Roberto Raimondi , Peter Schwab

We report novel manifestation of the valley splitting for the two valley electron system in (100) Si-inversion layers at low carrier density. We found that valley splitting causes almost 100% modulation of the Shubnikov de Haas oscillations…

Strongly Correlated Electrons · Physics 2007-05-23 V. M. Pudalov , A. Punnoose , G. Brunthaler , A. Prinz , G. Bauer

We study the evolution of low-temperature magnetoresistance in double quantum wells in the region below 1 Tesla as the applied current density increases. A flip of the magneto-intersubband oscillation peaks, which occurs as a result of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 N. C. Mamani , G. M. Gusev , O. E. Raichev , T. E. Lamas , A. K. Bakarov

We theoretically describe the spin excitation spectrum of a two dimensional electron gas embedded in a quantum well with localized magnetic impurities. Compared to the previous work, we introduce equations that allow to consider the…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Florent Perez , Joel Cibert , Masha Vladimirova , Denis Scalbert

We investigate the superfluid properties of d-wave pairing symmetry within the Extended Hubbard Model (EHM) in a magnetic field. We analyze the temperature and magnetic field dependencies of the order parameter. We find that in the…

Strongly Correlated Electrons · Physics 2013-09-27 Agnieszka Kujawa-Cichy

Spin splitting bands that arises in conduction band minimum (CBM) of WS2 monolayer (ML) play an important role in the new spin-orbit phenomena such as spin-valley coupled electronics. However, application of strain strongly modifies…

Strongly Correlated Electrons · Physics 2016-10-04 Moh. Adhib Ulil Absor , Hiroki Kotaka , Fumiyuki Ishii , Mineo Saito

We report electrical transport measurements in a tilted magnetic field on a high-mobility two-dimensional electron system confined at the MgZnO/ZnO heterointerface. The observation of multiple crossing events of spin-resolved Landau levels…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 D. Maryenko , J. Falson , Y. Kozuka , A. Tsukazaki , M. Kawasaki

Spin-orbit coupling in systems with broken inversion symmetry gives rise to the Edelstein effect, which is the induced spin polarization in response to an applied electric field or current, and the inverse Edelstein effect, which is the…

Strongly Correlated Electrons · Physics 2026-03-31 Mojdeh Saleh , Abhishek Kumar , Dmitrii L. Maslov , Saurabh Maiti

The theoretical explanation for the chiral-induced spin selectivity effect, in which electrons' passage through a chiral system depends on their spin and the handedness of the system, remains vague. Although most experimental work was…

Mesoscale and Nanoscale Physics · Physics 2022-03-01 Tapan Kumar Das , Francesco Tassinari , Ron Naaman , Jonas Fransson

We study the Hall effect in diluted plasmas within the two-fluids theory. Composed by two distinct species with opposite charge, such as electrons and ions in fully ionised hydrogen, the plasma is driven by an electric field through a…

Plasma Physics · Physics 2016-12-20 Nicola Offeddu , Miller Mendoza

We study the spin polarization and its associated spin-Hall current due to EDSR in disordered two-dimensional electron systems. We show that the disorder induced damping of the resonant spin polarization can be strongly reduced by an…

Mesoscale and Nanoscale Physics · Physics 2011-11-09 Mathias Duckheim , Daniel Loss

Diffusion of electrons in a two-dimensional system with time-dependent random potentials is investigated numerically. In the absence of spin-orbit scattering, the conductivity shows universal weak localization correction. In the presence of…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Takeshi Nakanishi , Tomi Ohtsuki

We study melting in a two-dimensional system of classical particles with Gaussian-core interactions in disordered environments. The pure system validates the conventional two-step melting with a hexatic phase intervening between the solid…

Soft Condensed Matter · Physics 2023-08-01 Prashanti Jami , Pinaki Chaudhuri , Chandan Dasgupta , Amit Ghosal

We develop a model of the coherent exciton spin-valley dynamics in two-dimensional transition metal dichalcogenides under elastic strain. The strain splits the exciton radiative doublet in linearly polarized states. Consequently, it induces…

Mesoscale and Nanoscale Physics · Physics 2023-01-04 M. M. Glazov

The effects of random distribution of magnetic impurities with concentration $x$ in a semiconductor alloy multilayer at a paramagnetic temperature are investigated by means of coherent potential approximation and tight-binding model. The…

Mesoscale and Nanoscale Physics · Physics 2012-09-20 Leili Gharaee , Alireza Saffarzadeh

The stability of a sheared magnetic field is analyzed in two-dimensional magnetohydrodynamics with resistive and viscous dissipation. Using a multiple-scale analysis, it is shown that at large enough Reynolds numbers the basic state…

chao-dyn · Physics 2007-05-23 G. Boffetta , A. Celani , R. Prandi
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