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3821por Richter, Sebastian“…Short-period high-field undulators are essential components for the production of brilliant coherent light up to X-rays in compact light sources, e.g. synchrotrons or free-electron lasers (FELs). The compactness should come with a small footprint and thus lower costs, having to operate at lower energies. …”
Publicado 2023
Enlace del recurso
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3822
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3823
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3824
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3825por Berglund, P, Ellis, Jonathan Richard, Faraggi, A E, Nanopoulos, Dimitri V, Qiu, Z“…We construct a Landau-Ginzburg model with the same data and symmetries as a $Z_2\times Z_2$ orbifold that corresponds to a class of realistic free-fermion models. Within the class of interest, we show that this orbifolding connects between different $Z_2\times Z_2$ orbifold models and commutes with the mirror symmetry. …”
Publicado 1998
Enlace del recurso
Enlace del recurso
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3826
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3827
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3828por Pesando, I“…Itturns however out that the Wakimoto fields are not free because of the boundaryconditions and in order to have the usual mode expansion with reasonablebehaviour under complex conjugation it is necessary to consider thecomplexification of AdS3 and then add some constraints. …”
Publicado 2000
Enlace del recurso
Enlace del recurso
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3829
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3830“…The effect of the sextupole component b3 in the LHC dipoles on the resonance-free lattice has been investigated. It is shown that its dynamic aperture, without b3 spool piece correction, is close to that of the nominal LHC lattice version 6.0 with spool pice correction. …”
Enlace del recurso
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3831
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3832
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3833
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3834
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3835
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3836
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3837“…Using the analyticity properties of the vacuum polarization function we obtain conditions on the e/sup -/e/sup +/ total cross section from the behaviour of this function for spacelike directions where it is known in asymptotically free field theories. (3 refs).…”
Enlace del recurso
Enlace del recurso
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3838
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3839
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3840