The motion of vortices in an anisotropic superconductor is considered. For a system of well-separated vortices, each vortex is found to obey a law of motion analogous to the local induction approximation, in which velocity of the vortex depends upon the local curvature and orientation. A system of closely packed vortices is then considered, and a mean field model is formulated in which the indi...

We study the range of a planar random walk on a randomly oriented lattice, already known to be transient. We prove that the expectation of the range grows linearly, in both the quenched (for a.e. orientation) and annealed (”averaged”) cases. We also express the rate of growth in terms of the quenched Green function and eventually prove a weak law of large numbers in the (non-Markovian) annealed...

the occupy wall street movement has presented a series of challenges to local law enforcement agencies. in response, many of them have relied on a variety of aggressive tactics, which in some cases have shocked public opinion, putting the issue of protest policing on the national agenda. three main narratives have emerged to explain these tactics: 1) there has been a broad “militarization” of t...

The optimal stabilization of a rigid body motion without angular velocity measurements is considered with the help of three internal rotors that effected by internal frictions. In this paper, the orientation of the body will be described in terms of the Modified Rodrigues parameters (MRPs). The optimal control law which stabilizes asymptotically this motion and minimizes the require like-energy...

The influence of tubule orientation on the transition from fatigue to fatigue crack growth in human dentin was examined. Compact tension (CT) and rectangular beam specimens were prepared from the coronal dentin of molars with three unique tubule orientations (i.e., 0 degrees , 45 degrees and 90 degrees). The CT specimens (N=25) were used to characterize fatigue crack initiation and steady-state...

abstract objective: this study was carried out for investigating the religion orientation relationship with coping with diabetes in type 2 diabetic patients in yazd, iran. the present study is a kind of scientific-comparative description. the research subjects comprised of all type 2 diabetic patients admitted to the hospitals in yazd. materials and methods: the study sample was consisted of 16...

Corruption as an extraordinary crime so that the punishment is Primum Remedium. Economic Analysis of Law can be used to increase efficiency handling corruption crimes (TPK) provide a level and deterrent effect. The formulation problem in this research how economic analysis law maximizing looted assets from corruption? This based on judicial normative. data were collected using search method lit...

This study extends prior researches by exploring the effect of organizational orientations on export performance. Building on the already extensive literature, we developed a model of relationship. A total of 120 usable questionnaires were received from the Iranian food industry SMEs. The results indicated that entrepreneurial orientation, market orientation and learning orientation positively ...

Improvement of orientation control laws for an underactuated satellite, is attemted using a nonlinear optimal control algorithm derived by Beard, et al. 1. A control law for an underactuated satellite would be used when the spacecraft is damaged during it's mission. Because of the immense cost in accessing space, recovery and repair is uncommon. Also, for this reason, it is necessary to maximiz...