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Title: Entanglement generation in a spin chain by a pulsed magnetic field: Analytical treatment
Author: Rodriguez, E.
Flores, M.
Perez, A.
Mercado-Solis, R.D.
Gonzalez, R.
Rodriguez, J.
Valtierra, S.
Issue Date: 2009
Abstract: The erosive wear behaviour of AISI H13 tool steel and AISI 4140 steel has been investigated in this work using a sand blast-type rig. Samples of six different hardness levels (from annealed to 595 HV) were produced and subsequently tested using silica sand as the erodent material at impact angles ranging from 10 to 90 , air drag pressures of 0.689 and 1.38 bar (10 and 20 psi respectively), impact speeds ranging from 70 to 107 m s-1 and various particle sizes. Results of erosion versus impact angle at different hardness levels showed three distinctive wear regions: (i) for impact angles of 10 and 20 , the amount of wear was higher at lower hardness values; (ii) for impact angles of 30 and 40 no significant changes were found in the amount of wear despite the increase in hardness; (iii) for impact angles of 60 , 75 and 90 the amount of wear was higher for higher hardness levels in the eroded material. Single curves showed typical ductile behaviour of these alloys, a transition towards brittle behaviour for the hardest specimens was also observed due to the formation of adiabatic shear bands. SEM analysis was conducted to identify the erosion mechanisms for each type of behaviour. " 2009.",,,,,,"10.1016/j.wear.2009.08.009",,,"","",,,,,,"11",,"Wear",,"2109
WOS",,,,,,"4140; Erosion; Erosion mechanisms; H13",,,,,,"Erosive wear by silica sand on AISI H13 and 4140 steels",,"Article" "43022","123456789/35008",,"Sainz, I., Departamento de Física, Universidad de Guadalajara, Revolución 1500, Guadalajara, Jalisco 44420, Mexico; Burlak, G., Centro de Investigación en Ingeniería y Ciencias Aplicadas, Universidad Autónoma Del Estado de Morelos, Cuernavaca, Morelos, Mexico; Klimov, A.B., Departamento de Física, Universidad de Guadalajara, Revolución 1500, Guadalajara, Jalisco 44420, Mexico
Klimov, Andrei B., Universidad de Guadalajara. Centro Universitario de Ciencias Exactas e Ingenierías",,"Sainz, I.
Burlak, G.
Klimov, Andrei B.",,"2011",,"Dynamics of the one-dimensional open Ising chain under influence of transverse magnetic field applied in form of ?-pulses is studied. It is shown how the application of a specific sequence of such instant kicks to selective spins stimulates arising of perfect dynamical pairwise entanglement between ends of the spin chain. Analytic formulas for the concurrence dynamics are derived. It is also shown that the time required to perfectly entangle the ends of the chains grows linearly with the number of spins in the chain. The effect of the phase decoherence is briefly analyzed. " 2011 EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg.
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