Long-Range Correlations and Coherent Structures in Magnetohydrodynamic Equilibria

Elliptic and hyperelliptic magnetohydrodynamic equilibria

The present study is a continuation of a previous one on ”hyperelliptic” axisymmetric equilibria started in [Tasso and Throumoulopoulos, Phys. Plasmas 5, 2378 (1998)]. Specifically, some equilibria with incompressible flow nonaligned with the magnetic field and restricted by appropriate side conditions like ”isothermal” magnetic surfaces, ”isodynamicity” or P +B/2 constant on magnetic surfaces ...

Jet Snake Magnetohydrodynamic Equilibria

Magnetohydrodynamic (MHD) equilibrium states with a three-dimensional helical core that display the characteristics of a saturated ideal internal kink mode are computed to model snake structures that have been observed in the JET tokamak (Weller et al 1987 Phys. Rev. Lett. 59 2303). The equilibrium states are calculated with a peaked pressure profile and a weak to moderate reversed core magneti...

Short-Range and Long-Range Correlations in DIS at HERA

Correlations in deep-inelastic scattering (DIS) at HERA are investigated in order to test perturbative QCD and quark fragmentation universality. Two-particle correlations at small angular separations are measured in the Breit frame and compared to ee collisions. Also presented are the correlations between the current and target regions of the Breit frame.

0 Long - Range Particle Correlations and Wavelets

Long Range Correlations and Relativity: Metatheoretic Considerations

Action-at-a-distance is a generic property of physical theories. As such, it is not a fruitful idea in theory building. Its absence confers a rigidity on a theory which we exemplify through analysis of long-range correlations of the EPR-type in relativistic theories. Rigidity is desirable for fundamental theories, and theory building should focus on structurally unstable properties, making acti...