A study on the optimization of finite volume effects of B K in lattice QCD by using the CUDA

Kim, Jangho; Cho, Kihyeon

doi:10.3938/jkps.67.307

Cited by 2 publications

(2 citation statements)

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“…Large values of the Lorentz factor γ can be achieved by enlarging the (initial, and conserved) energy E, or by lowering the minimal string loop energy at infinity, E 0(min) , by lowering J -see Eq. (45). We can achieve low values of the energy E 0(min) (see Fig.…”

Section: Numerical Simulations Of the Transmutation Processmentioning

confidence: 95%

“…In the pioneering works [43,44], it has been shown for the cosmic strings that in the case when the electromagnetic gauge invariance is broken, the string can be considered as a superconductor carrying large currents and charges, up to the order of the string mass scale. Under such circumstances, the carriers of the electric charge can be either bosons or fermions, depending on the energetic favor for the charged particle [45]. In a series of papers [46,47], the dynamics of the superconducting strings has been considered in the framework of the Nambu-Goto string theory (see, e.g.…”

Section: B Analogy With the Superconducting Stringmentioning

confidence: 99%

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Acceleration of electric current-carrying string loop near a Schwarzschild black hole immersed in an asymptotically uniform magnetic field

et al. 2014

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We study the acceleration of an electric current-carrying and axially-symmetric string loop initially oscillating in the vicinity of a Schwarzschild black hole embedded in an external asymptotically uniform magnetic field. The plane of the string loop is orthogonal to the magnetic field lines and the acceleration of the string loop occurs due to the transmutation effect turning in the deep gravitational field the internal energy of the oscillating strings to the energy of their translational motion along the axis given by the symmetry of the black hole spacetime and the magnetic field. We restrict our attention to the motion of string loop with energy high enough, when it can overcome the gravitational attraction and escape to infinity. We demonstrate that for the current-carrying string loop the transmutation effect is enhanced by the contribution of the interaction between the electric current of the string loop and the external magnetic field and we give conditions that have to be fulfilled for an efficient acceleration. The Schwarzschild black hole combined with the strong external magnetic field can accelerate the current-carrying string loop up to the velocities close to the speed of light v ∼ c. Therefore, the string loop transmutation effect can potentially well serve as an explanation for acceleration of highly relativistic jets observed in microquasars and active galactic nuclei.

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Section: Numerical Simulations Of the Transmutation Processmentioning

confidence: 95%