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Related papers: Oscillations of the Nernst coefficient in bismuth

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The standing MHD modes in a zero-$\beta$ cylindrical magnetic flux tube modelled as a straight core surrounded by a magnetically twisted annulus, both embedded in a straight ambient external field is considered. The dispersion relation for…

Astrophysics · Physics 2009-11-13 K. Karami , M. Barin

Spin orbit torque has been intensively investigated because of its high energy efficiency in manipulating a magnetization. Although various methods for measuring the spin orbit torque have been developed so far, the measurement results…

Materials Science · Physics 2015-10-16 M. Kawaguchi , T. Moriyama , H. Mizuno , K. Yamada , H. Kakizakai , T. Koyama , D. Chiba , T. Ono

Using the calculated electron energy band structure of Tl2Ba2CuO6, we compute the dependence of the c axis magnetoresistance on the orientation of the magnetic field for different magnitudes of the magnetic field. We explain the known…

Superconductivity · Physics 2007-05-23 Adrian Dragulescu , Victor M. Yakovenko , David J. Singh

We study the overall spin precession frequency of a test gyroscope around a neutron star. The precession of the test gyroscope gives the signatures of the general relativistic effects that are present in the region of strong gravity of an…

High Energy Astrophysical Phenomena · Physics 2022-05-26 Kamal Krishna Nath , Ritam Mallick

The magnetization around the superconducting transition was measured in a Tl$_{0.5}$Pb$_{0.5}$Sr$_2$CaCu$_2$O$_7$ crystal affected by a considerable reduction ($\sim$55%) of its effective superconducting volume fraction but still with a…

Superconductivity · Physics 2009-11-13 Jesús Mosqueira , Félix Vidal

We have studied the effect of magnetic field on a non-stoichiometric Heusler alloy Ni$_{50}$Mn$_{35}$In$_{15}$ that undergoes a martensitic as well as a magnetic transition near room temperature. Temperature dependent magnetization…

Materials Science · Physics 2009-11-13 P. A. Bhobe , K. R. Priolkar , A. K. Nigam

In order to investigate the effect of electronic phase coherence on screening we have measured the flux dependent polarizability of isolated mesoscopic rings at 350 MHz. At low temperature (below 100 mK) both non-dissipative and dissipative…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. Deblock , Y. Noat , H. Bouchiat , B. Reulet , D. Mailly

The magnetic field and angular dependencies of the thermopower and Nernst effect of the quasi-two-dimensional organic conductor alpha-(ET)2KHg(SCN)4 are experimentally measured at temperatures below (4 K) and above (9 K) the transition…

Strongly Correlated Electrons · Physics 2015-05-28 D. Krstovska , E. Steven , E. S. Choi , J. S. Brooks

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

We use a tablet to determine experimentally the dependencies of the magnetic field (B) on the electrical current and on the axial distance from a coil (z). Our data shows a good precision on the inverse cubic dependence of the magnetic…

Physics Education · Physics 2015-06-19 Vitor O. M. Lara , Dayanne F. Amaral , Daiara Faria , Leonardo P. Vieira

Magnetic field dependences of critical current, resistance, and rectified voltage of asymmetric (half circles of different widths) and symmetrical (half circles of equal widths) aluminum rings were measured in the temperature region close…

Superconductivity · Physics 2010-11-30 V. L. Gurtovoi , S. V. Dubonos , S. V. Karpii , A. V. Nikulov , V. A. Tulin

We present calculations of magnetic field evolution by the Hall effect and Ohmic decay in neutron star crusts. We first discuss when and for which neutron stars the Hall effect is important relative to Ohmic decay. We compute the evolution…

Astrophysics · Physics 2008-11-26 Andrew Cumming , Phil Arras , Ellen G. Zweibel

In this article the neutrino bremsstrahlung process is considered in presence of strong magnetic field, though the calculations for this process in absence of magnetic field are also carried out simultaneously. The electrons involved in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Indranath Bhattacharyya

We calculate the magnetization of a two-dimensional superconductor in a perpendicular magnetic field near its Kosterlitz-Thouless transition and at lower temperatures. We find that the critical behavior is more complex than assumed in the…

Superconductivity · Physics 2013-05-29 Vadim Oganesyan , David A. Huse , S. L. Sondhi

Neutron diffraction studies have been carried out in the applied magnetic field H(//[011]) on a single crystal of pyrochlore ferromagnet Nd2Mo2O7, whose Hall resistivity(r_H) has been reported to have quite unusual magnetic field (H)- and…

Strongly Correlated Electrons · Physics 2009-11-07 Yukio Yasui , Satoshi Iikubo , Hiroshi Harashina , Taketomo Kageyama , Masafumi Ito , Masatoshi Sato , Kazuhisa Kakurai

The magnetic properties of a circular graphene nanoribbon (carbon belt) in a magnetic field parallel to its central axis is studied using a tight-binding model. Orbital magnetic susceptibility is calculated using an analytical expression of…

Mesoscale and Nanoscale Physics · Physics 2024-07-02 Norio Inui

A device consisted of a set of circular rings, the centers of which lie on an axis, behaves like a solenoid when the ratio of its radius and distance between two successive rings is greater than one. As this ratio decreases, the device…

Classical Physics · Physics 2021-02-03 Y. Contoyiannis , M. Kampitakis

The dilute Heisenberg ferromagnet is studied taking into account fluctuations of magnetization caused by disorder. A self-consistent system of equations for magnetization and its mean quadratic fluctuations is derived within the…

Condensed Matter · Physics 2015-06-25 I. Vakarchuk , V. Tkachuk , T. Kuliy

Magneto-oscillations of the electric dipole moment are predicted and analyzed for a single-electron nanoscale ring pierced by a magnetic flux (an Aharonov-Bohm ring) and subjected to an electric field in the ring's plane. These oscillations…

Mesoscale and Nanoscale Physics · Physics 2012-09-11 A. M. Alexeev , M. E. Portnoi

$^{195}$Pt-NMR measurements of Pt nanoparticles with a mean diameter of 4.0 nm were performed in a high magnetic field of approximately $\mu_0 H = 23.3$ T to investigate the low-temperature electronic state of the nanoparticles. The…