English
Related papers

Related papers: Magnetic field induced effects in the high source-…

200 papers

We present a microscopic derivation, without electrodynamical assumptions, of $B(x,y,H(t))$, $M(H(t))$, and $J_c(H(t))$, in agreement with experiments on strongly pinned superconductors, for a range of values of the density and strength of…

Materials Science · Physics 2009-10-28 C. Reichhardt , C. J. Olson , J. Groth , Stuart Field , Franco Nori

A systematic numerical study of wake potential and ion density distribution of a single grain in streaming ions under the influence of the magnetic field applied along flow is presented. Strong magnetic field introduces ion focus depletion…

Plasma Physics · Physics 2018-09-12 Sita Sundar

The exciton recombination and spin dynamics are investigated both experimentally and theoretically in an ensemble of indirect band gap (In,Al)As/AlAs quantum dots (QDs) with type-I band alignment. The magnetic-field-induced circular…

Mesoscale and Nanoscale Physics · Physics 2025-07-08 T. S. Shamirzaev , D. R. Yakovlev , D. S. Smirnov , V. N. Mantsevich , D. Kudlacik , A. Yu. Gornov , A. K. Gutakovskii , M. Bayer

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

Magnetohydrodynamic turbulence affects both terrestrial and astrophysical plasmas. The properties of magnetized turbulence must be better understood to more accurately characterize these systems. This work presents ideal MHD simulations of…

Fluid Dynamics · Physics 2021-04-28 Forrest W. Glines , Philipp Grete , Brian W. O'Shea

Magnetoresistive properties of granular Bi-based HTSC with trapped magnetic fields are investigated in the temperature region near superconducting transition . The effect of trapped field and transport current values and orientations on the…

Superconductivity · Physics 2016-08-31 A. A. Sukhanov , V. I. Omelchenko

The interaction of electromagnetic radiation with temporally dispersive magnetic solids of small dimensions may show very special resonant behaviors. The internal fields of such samples are characterized by magnetostatic-potential scalar…

Materials Science · Physics 2009-11-11 E. O. Kamenetskii

We study the pumping of magnetic flux in three-dimensional compressible magnetoconvection in the context of stellar dynamos. The simulation domain represents a rectangular section from the lower part of a stellar convection zone plus the…

Astrophysics · Physics 2009-11-07 M. Ossendrijver , M. Stix , A. Brandenburg , G. Ruediger

We present a detailed numerical analysis of the effect of a magnetic field on the transport properties of a `small-$N$' one-sided surface disordered wire. When time reversal symmetry is broken due to a magnetic field $B$, we find a strong…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 A. García-Martín , M. Governale , P. Wölfle

The obtained periodic magnetic-field dependencies of the critical current, measured in opposite directions on asymmetric superconducting aluminum rings, allow to explain observed earlier quantum oscillations of a dc voltage as a result of…

Superconductivity · Physics 2009-03-23 V. L. Gurtovoi , S. V. Dubonos , A. V. Nikulov , N. N. Osipov , V. A. Tulin

When an electrically conducting non-magnetic particle is subjected to a spatially varying and oscillating applied magnetic field of amplitude $\mathcal{H} + \mathcal{G} \cdot x$ and frequency $\omega$, an oscillating eddy current is…

Classical Physics · Physics 2026-04-08 V. Kumaran

We investigate theoretically the linear conductance of a two-level quantum dot as a function of the gate voltage and different strength of coupling to the external electronic system (the reservoir). Apart from the weak coupling regime,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. L. Chudnovskiy , S. E. Ulloa

In this paper we have investigated the dynamics of a damped harmonic oscillator in the presence of an electromagnetic field. The transients for the two dimensional harmonic oscillator imply about the modulation of the frequency of the…

Classical Physics · Physics 2021-07-29 L. R. Rahul Biswas , Joydip Das , Bidhan Chandra Bag

Magnetoresistance in two-dimensional array of Ge/Si quantum dots was studied in a wide range of zero-magnetic field conductances, where the transport regime changes from hopping to diffusive one. The behavior of magnetoresistance is found…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 N. P. Stepina , E. S. Koptev , A. G. Pogosov , A. V. Dvurechenskii , A. I. Nikiforov , E. Yu. Zhdanov , Y. M. Galperin

This paper shows that the presence of two dynamical regimes, characterized by different precessional-axis, is the origin of the non-monotonic behavior of the output integrated power for large-amplitude magnetization precession driven by…

Other Condensed Matter · Physics 2009-11-13 G. Siracusano , G. Finocchio , A. La Corte , G. Consolo , L. Torres , B. Azzerboni

Transport properties of highly mobile 2D electrons are studied in symmetric GaAs quantum wells placed in titled magnetic fields. Quantum positive magnetoresistance (QPMR) is observed in magnetic fields perpendicular to the 2D layer.…

Mesoscale and Nanoscale Physics · Physics 2016-11-29 William Mayer , Areg Ghazaryan , Pouyan Ghaemi , Sergey Vitkalov , A. A. Bykov

We report on the micro-photoluminescence spectroscopy of InAs/GaAs quantum dots (QD) doped by a single Mn atom in a magnetic field either longitudinal or perpendicular to the optical axis. In both cases the spectral features of positive…

Materials Science · Physics 2015-05-14 Olivier Krebs , Emile Benjamin , Aristide Lemaître

A universal mechanism for strong magnetic-field effects of nonmagnetic organic semiconductors is presented. A weak magnetic field (less than hundreds mT) can substantially change the charge carrier hopping coefficient between two…

Mesoscale and Nanoscale Physics · Physics 2010-06-29 X. R. Wang , S. J. Xie

We study the influence of an in-plane magnetic field and Coulomb interactions on the physics of quantum spin Hall insulators, like those in InAs/GaSb and HgTe/CdTe quantum wells. Using a Hartree-Fock mean-field theory approximation, we…

Mesoscale and Nanoscale Physics · Physics 2022-03-14 Yongxin Zeng , Fei Xue , Allan H. MacDonald

We investigate the vacuum expectation value of bosonic current induced by a magnetic flux in a $(2+1)-$dimensional conical spacetime in the presence of a circular boundary, in a Ho{\v{r}}ava-Lifshitz Lorentz violation symmetry scenario. We…

High Energy Physics - Theory · Physics 2026-03-12 E. R. Bezerra de Mello , H. F. Santana Mota
‹ Prev 1 4 5 6 7 8 10 Next ›