• No se han encontrado resultados

Stars: magnetic field

Magnetic field evolution in neutron stars: one dimensional multi fluid model

Magnetic field evolution in neutron stars: one dimensional multi fluid model

... the magnetic field points in one Cartesian direction but varies only along an orthogonal ...neutron stars the magnetic pressure is much less than the de- generacy pressure of the particles, we ...

15

Instability of magnetic equilibria in barotropic stars

Instability of magnetic equilibria in barotropic stars

... stratified stars, numerical magnetohydrodynamics simulations have shown that arbi- trary initial magnetic fields evolve into stable equilibrium configurations, usually containing nearly axisymmetric, linked ...

11

Revisiting the Flowers Ruderman instability of magnetic stars

Revisiting the Flowers Ruderman instability of magnetic stars

... the magnetic field in the exterior of the star to be greatly reduced, just as it happens with a pair of aligned ...external magnetic field and check that it decreases monotonically along the ...

14

Stability of magnetic fields in non barotropic stars: an analytic treatment

Stability of magnetic fields in non barotropic stars: an analytic treatment

... main-sequence stars, white dwarfs and neutron stars are known to persist for time-scales comparable to their ...simple magnetic field configurations are always ...non-barotropic stars, ...

22

Internal heating of old neutron stars: contrasting different mechanisms

Internal heating of old neutron stars: contrasting different mechanisms

... (EOSs), with a conventional NS divided into two regions: an isothermal interior and a thin envelope. In the interior, it con- siders a core composed of neutrons, protons, electrons, and muons, but ignores the potential ...

7

Stable magnetic equilibria and their evolution in the upper main sequence, white dwarfs, and neutron stars

Stable magnetic equilibria and their evolution in the upper main sequence, white dwarfs, and neutron stars

... the field evolution in neutron stars (Jones 1988; Urpin & Shalybkov 1991; Goldreich & Reisenegger 1992; Reisenegger et ...equilibrium magnetic field configuration, the effect of the ...

10

Gravitational wave emission from a magnetically deformed non barotropic neutron star

Gravitational wave emission from a magnetically deformed non barotropic neutron star

... between magnetic field configuration (particularly the relative strengths of the toroidal and poloidal components) and ...axisymmetric magnetic field on it, matched to an external dipolar ...

12

Uncloaking globular clusters in the inner galaxy

Uncloaking globular clusters in the inner galaxy

... all stars detected in our photometric study by comparison with bright stars obtained in each field from the Two Micron All Sky Survey (2MASS) catalog stars available through the Infrared ...

45

Magnetic catalysis of a charged Bose Einstein condensate

Magnetic catalysis of a charged Bose Einstein condensate

... The above results show the need of an extra ingredient already for B ¼ 0 . In this case, the solution is well known: since the physical conditions require the effective mass squared to vanish, plasma screening effects ...

11

Free induction decay of single spins in diamond

Free induction decay of single spins in diamond

... Color centers in solids have emerged as good candidates for quantum information processing as they provide optical access on demand to a quantum degree of freedom [1]. Among them, the nitrogen–vacancy (NV) color center ...

18

Generation of shocks by the Biermann battery  Zeitschrift für Angewandte Mathematik und Mechanik 96,5, 642 652 (2016)

Generation of shocks by the Biermann battery Zeitschrift für Angewandte Mathematik und Mechanik 96,5, 642 652 (2016)

... starts acting at x = 0, inducing a variation on the magnetic field and therefore on the remaining variables. Since the system (12) is hyperbolic, this variation is not instantaneous: the leading ...

18

Thermomagnetic evolution of the QCD strong coupling

Thermomagnetic evolution of the QCD strong coupling

... The results in Eqs. (22) and (25) show that for T ¼ 0 , α s is an increasing function of j eB j , when referred to the scale Q 2 . This result, although not necessarily evident, is in retrospect almost trivial: Since the ...

6

Forecasting intense geomagnetic activity using interplanetary magnetic field data

Forecasting intense geomagnetic activity using interplanetary magnetic field data

... electric field due to the motion of solar wind plasma (convective electric ...of magnetic field vec- tor are only significant from time to ...electric field as if it were only due to the term ...

10

Generation and characterization of novel magnetic field-responsive biomaterials.

Generation and characterization of novel magnetic field-responsive biomaterials.

... For the continuous matrix we used a mixture of fibrin and agarose as the biopolymer. The target tissue was human oral mucosa, thus, seeding with human oral mucosa fibroblasts was required. To prepare the magnetic ...

18

Free convection effects on mhd flow past an infinite vertical accelerated plate embedded in porous media with constant heat flux

Free convection effects on mhd flow past an infinite vertical accelerated plate embedded in porous media with constant heat flux

... We consider a two-dimensional flow of an incompressible electrically conducting viscous fluid along an infinite non-conducting vertical flat plate through a porous medium. Initially the plate and the fluid are at some ...

10

Deep census of variable stars in a VLT/VIMOS field in Carina

Deep census of variable stars in a VLT/VIMOS field in Carina

... 372 stars in Lupus, what corresponds to ∼ 0 ...000 stars, 50 099 were found to vary in ...the stars in the sample, is much higher than in the two ...

12

Magnetocaloric effect in Sm Co2 xFex alloys

Magnetocaloric effect in Sm Co2 xFex alloys

... experiments on thermal hysteresis, field hysteresis, or neutron powder diffraction aiming to determine the order of this cubic to rhombohedral transition. The change at 175 K is accredited to a spin reorientation ...

10

Germination of grass seeds subjected to stationary magnetic field

Germination of grass seeds subjected to stationary magnetic field

... the magnetic treatments were compared by the t-student valued and the p-values were calculated to test for significant differences between each treatment and the control using the Seedcalculator software for seeds ...

7

Oxygen Abundances in Low  and High alpha Field Halo Stars and the Discovery of Two Field Stars Born in Globular Clusters

Oxygen Abundances in Low and High alpha Field Halo Stars and the Discovery of Two Field Stars Born in Globular Clusters

... halo stars in the solar neighborhood divide into two groups based on their α-element ...67 stars for which we have also derived oxygen ...their stars into high-α halo stars (open circles in ...

13

TítuloMagnetic field strength and reproducibility of neodymium magnets useful for transcranial static magnetic field stimulation of the human cortex

TítuloMagnetic field strength and reproducibility of neodymium magnets useful for transcranial static magnetic field stimulation of the human cortex

... The magnetic field strength was measured using a magnetic field-to-voltage transducer with an integrated Hall ...the magnetic field vector (usually represented with the ...

5

Show all 1720 documents...

Related subjects