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Scattering amplitudes using twistor strings
(Universidade Estadual Paulista (Unesp), 2017-02-23)
Neste trabalho revisamos as amplitudes de MHV no contexto da teoria de super-Yang-Mills. Nós estudamos as simetrias das amplitudes de MHV no espaço de twistors como uma motivação para introduzir a teoria de cordas com ...
The origin of the KLT relations and nonlinear relations for Yang-Mills amplitudes
(2020-04-10)
By means of a kinematic analysis of tree level graviton amplitudes we find, at least through six points, that the reason of their decomposition as a sum over products of gauge boson amplitudes is on-shell gauge invariance ...
On the critical forcing amplitude of forced nonlinear oscillators
(De Gruyter, 2013-12)
The steady-state response of forced single degree-of-freedom weakly nonlinear oscillators under primary resonance conditions can exhibit saddle-node bifurcations, jump and hysteresis phenomena, if the amplitude of the ...
Full normal coordinate analysis and molecular dynamic parameters for the Cr (CN)3− 6 ion
(1986)
A full normal coordinate analysis for the Cr(CN)3− 6 ion, in octahedral symmetry, has been carried out on the basis of new experimental data, using three different force fields. Consistent sets of force constants have been ...
Fiabilidad de la prueba de medición objetiva dinámica de la amplitud de acomodación modificada para determinar la amplitud de acomodación en personas entre 40 y 60 años de edad
(Universidad de La Salle. Facultad de Ciencias de la Salud. Maestría en Ciencias de la Visión, 2014)