Flux tube
Observation of a Coulomb flux tube
... Coulomb flux tube, with a width that is somewhat smaller than that of the minimal energy flux tube associated with the asymptotic string ...
8
Incompressible magnetohydrodynamic modes in the thin magnetically twisted flux tube
... twisted flux tube is a convenient model for analytical studies of vari- ous magnetohydrodynamic (MHD) ...magnetic flux tubes many questions still remain ...the flux tube should be ...
9
Development of Linearized Collision Operator for Multiple Ion Species in Gyrokinetic Flux-Tube Simulations
... In this paper, we reported implementation of a numer- ical collision operator developed for multiple ion species plasma to the local gyrokinetic flux-tube code, GKV. The developed operator satisfies the ...
9
Sunspot rotation : II Effects of varying the field strength and twist of an emerging flux tube
... Results. Altering the initial magnetic field strength and twist of the flux tube significantly affects the tube’s evolution and the rotational motions that develop at the photosphere. The rotation angle, ...
15
Magnetohydrostatic equilibrium - I. Three-dimensional open magnetic flux tube in the stratified solar atmosphere
... magnetic flux tube is modelled in pressure bal- ance with the surrounding atmosphere typical of the quiet ...magnetic flux tube in magnetohydrostatic equilibrium is challenging, particularly ...
10
Colour fields of the quark-antiquark excited flux tube
... groundstate flux tube of pure gauge QCD, and found evidence for a penetration length λ [4], as a second scale other than the string tension σ, contributing to the colour fields density profile of the ...
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Comparing the excitations of the periodic flux tube with effective string models
... oelectric flux between two static sources is squeezed into a thin flux tube and that th is can be regarded as a string is a fasci nating conjecture that has been explored w ith Monte-Carlo sim ...
114
Successful and failed flux tube emergence in the solar interior
... ⎠ , from Equation 20 ( a ) we derive that κ≈ 1. If the axial expansion is not negligible in comparison to the poloidal one, the value of κ can be different. Cheung et al. ( 2010 ) studied κ in the case of the emergence ...
17
Effect of local thermal equilibrium misbalance on long wavelength slow magnetoacoustic waves
... uniformities, become important. In particular, in this regime the speed of the slow magnetoa- coustic waves propagating apparently along the field approaches the subsonic and sub-Alfv´ enic tube (cusp) speed (e.g. ...
16
Numerical simulations of sunspot rotation driven by magnetic flux emergence
... The basic experiment is described in Chapter 4, in which we perform the emergence of a twisted toroidal flux tube. We use this experiment to illustrate a mechanism for the rotation of sunspots, an ...
222
Propagation of Long-Wavelength Nonlinear Slow Sausage Waves in Stratified Magnetic Flux Tubes
... the tube, and to each other. Next, we employ the thin flux tube approximation and make use of the method of multiple scales to expand the ideal MHD ...
16
Observational evidence of sausage-pinch instability in solar corona by SDO/AIA
... magnetic flux tube visible in AIA 304 ˚ A that shows curvatures on its surface with variable cross-sections as well as enhanced ...the flux tube exhibit a radial outward enhancement of the ...
13
Flux tubes in Nf = 2 + 1 QCD with external magnetic fields
... color-electric flux tube within the dual superconductor interpretation of the QCD ...total flux, the inverse of the London penetration length and the ratio between the coherence length and a ...
8
Magnetohydrodynamics modeling of coronal magnetic field and solar eruptions based on the photospheric magnetic field
... Although the NLFFF yields the 3D properties of the magnetic field, this method does not reveal the dynam- ics of the solar flares. To determine the dynamics in a realistic situation, NLFFF results have been used as ini- ...
28
Space and ground based investigations of dayside reconnection: Cluster, double star and SuperDARN observations
... the flux tube model of Cooling et ...of flux tubes opened by magnetic recon- nection at low latitudes ...ing flux tubes anchored in the northern (southern) hemisphere passing in close ...
10
Transverse, propagating velocity perturbations in solar coronal loops
... A velocity driver, consisting of only horizontal (i.e. x and y) components, is applied at the lower (z) boundary. The driver is chosen to simulate generic solar surface footpoint motions and consists either of a single ...
11
The detection of numerous magnetic separators in a three dimensional magnetohydrodynamic model of solar emerging flux
... This work is a preliminary study of the separators found in two snapshots from a 3D numerical MHD model of solar flux emergence. Two hundred twenty-nine unique separators (ema- nating from 18 nulls) are found ...
5
Emergence of non twisted magnetic fields in the Sun : jets and atmospheric response
... the flux rope for larger ...the flux tubes. We find that lower tension along the flux tube axis (higher λ) results in more pronounced splitting of the flux ...the flux tubes with ...
15
Effects of MHD slow shocks propagating along magnetic flux tubes in a dipole magnetic field
... magnetic flux tubes that accumulate magnetic energy generated by magnetic field ...magnetic flux tubes with an enhanced plasma ...magnetic tube are strongly dependent on the ratio of plasma and ...
10
Generation of Magnetohydrodynamic Waves in Low Solar Atmospheric Flux Tubes by Photospheric Motions
... magnetic flux tubes are generated due to the interaction of granulation motion and background magnetic ...magnetic flux tube embedded in a realistic gravitationally stratified solar atmosphere ...
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