English
Related papers

Related papers: Necessary and sufficient condition for longitudina…

200 papers

An unsaturated linear magnetoresistance (LMR) has attracted widely attention because of potential applications and fundamental interest. By controlling growth temperature, we realized a metal-to-insulator transition in Al2O3/SrTiO3…

Mesoscale and Nanoscale Physics · Physics 2024-01-09 Gao Kuang Hong , Lin Tie , Ma Xiao Rong , Li Qiu Lin , Li Zhi Qing

The Lorentz reciprocity principle is a fundamental concept that governs light propagation in any optically linear medium in zero magnetic field. Here, we demonstrate experimentally a novel mechanism of reciprocity breaking in nonlinear…

Materials Science · Physics 2020-05-13 J. Mund , D. R. Yakovlev , A. N. Poddubny , R. M. Dubrovin , M. Bayer , R. V. Pisarev

Spatially extended localized spins can interact via indirect exchange interaction through Friedel oscillations in the Fermi sea. In arrays of localized spins such interaction can lead to a magnetically ordered phase. Without external…

Mesoscale and Nanoscale Physics · Physics 2007-10-08 C. Siegert , A. Ghosh , M. Pepper , I. Farrer , D. A. Ritchie , D. Anderson , G. A. C. Jones

We use lithographically induced strain relaxation to periodically modulate the magnetic anisotropy in a single (Ga,Mn)As layer. This results in a lateral magnetoresistance device where two non-volatile magnetic states exist at zero external…

Mesoscale and Nanoscale Physics · Physics 2009-01-22 R. G. Dengel , C. Gould , J. Wenisch , K. Brunner , G. Schmidt , L. W. Molenkamp

We consider a search for a sidereal time variation of the beam trajectory in the cyclotron motion in a static magnetic field. The combination of two beams moving in opposite directions could allow a test of the radius stability with…

General Relativity and Quantum Cosmology · Physics 2015-09-10 B. Wojtsekhowski

The non-linear zero-differential resistance state (ZDRS) that occurs for highly mobile two-dimensional electron systems in response to a dc bias in the presence of a strong magnetic field applied perpendicular to the electron plane is…

Other Condensed Matter · Physics 2009-11-13 N. Romero , S. Mchugh , M. P. Sarachik , S. A. Vitkalov , A. A. Bykov

In several parent iron-pnictide compounds the resistivity has an extended range of linear magnetic field dependence. We argue that there is a simple and natural explanation of this behavior. Spin density wave transition leads to…

Superconductivity · Physics 2013-09-02 A. E. Koshelev

The two-dimensional electron system in (110)Al$_2$O$_{3-\delta}$/SrTiO$_3$ heterostructures displays anisotropic electronic transport. Largest and lowest conductivity and electron mobility $\mu$ are observed along the $[001]$ and…

Strongly Correlated Electrons · Physics 2018-09-19 K. Wolff , R. Eder , R. Schäfer , R. Schneider , D. Fuchs

We demonstrate that the non-linear field dependence in the Hall effect, often indistinguishable from the anomalous Hall effect, can be realized entirely within the classical mechanism due to the Lorentz force by analyzing multi-valley…

Mesoscale and Nanoscale Physics · Physics 2025-08-20 Akiyoshi Yamada , Yuki Fuseya

We present Lagrangian which implies both necessary constraints and dynamical equations for position and spin of relativistic spin one-half particle. The model is consistent for any value of magnetic moment $\mu$ and for arbitrary…

High Energy Physics - Theory · Physics 2014-06-27 Alexei A. Deriglazov , Andrey M. Pupasov-Maksimov

We discuss the uncertainty relation for the azimuthal angle $\phi$ and the $z$-component of the angular momentum $L_z$. To this end we derive the uncertainty relation for an arbitrary pair of observables and discuss the conditions for its…

Quantum Physics · Physics 2012-08-01 Francisco M. Fernández

In metals near a quantum critical point, the electrical resistance is thought to be determined by the lifetime of the carriers of current, rather than the scattering from defects. The observation of $T$-linear resistivity suggests that the…

Strongly Correlated Electrons · Physics 2017-05-16 I. M. Hayes , Nicholas P. Breznay , Toni Helm , Philip Moll , Mark Wartenbe , Ross D. McDonald , Arkady Shekhter , James G. Analytis

We investigate the behaviour of the linear-response coefficients, when in-plane electric field ($\mathbf E$) or/and temperature gradient ($\nabla_{\mathbf r} T$) is/are applied on a two-dimensional semimetal harbouring anisotropic Dirac…

Mesoscale and Nanoscale Physics · Physics 2025-06-13 Ipsita Mandal

We study the electromagnetic vertex function of a neutrino that propagates in an electron background in the presence of a static magnetic field. The structure of the vertex function under the stated conditions is determined and it is…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jose F. Nieves

The paramagnetic phase of the two channel Anderson Lattice model in the Kondo limit is investigated in infinite spatial dimensions using the non-crossing approximation. The resistivity exhibits a Kondo upturn with decreasing $T$, followed…

Condensed Matter · Physics 2009-10-28 Frithjof B. Anders , Mark Jarrell , D. L. Cox

We examine a charge lattice coupled to a one-dimensional asymmetric potential in the presence of an applied magnetic field, which induces gyrotropic effects in the charge motion. This system could be realized for Wigner crystals in…

Strongly Correlated Electrons · Physics 2024-04-23 C. J. O. Reichhardt , C. Reichhardt

Electronic transport in ferromagnetic ballistic conductors is predicted to exhibit ballistic anisotropic magnetoresistance (BAMR) - a change in the ballistic conductance with the direction of magnetization. This phenomenon originates from…

Mesoscale and Nanoscale Physics · Physics 2013-09-18 J. Velev , R. F. Sabirianov , S. S. Jaswal , E. Y. Tsymbal

Magneto-resistance is a physical effect of great fundamental and industrial interest since it is the basis for the magnetic field sensors used in computer read-heads and Magnetic Random Access Memories. As device dimensions are reduced,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. Viret , M. Gabureac , F. Ott , C. Fermon , C. Barreteau , R. Guirado-Lopez

The extremely large magnetoresistance (XMR) observed in many topologically nontrivial and trivial semimetals has attracted much attention in relation to its underlying physical mechanism. In this paper, by combining the band structure and…

Magneto-rotational instability (MRI) is an important instability mechanism for rotating flows with magnetic fields. In particular, when the strength of the magnetic field tends to zero, the stability criterion for rotating flows is…

Analysis of PDEs · Mathematics 2024-10-28 Zhiwu Lin , Yucong Wang , Wenpei Wu