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When amorphous solids are subjected to simple or pure strain, they exhibitelastic increase in stress, punctuated by plastic events that become denser (instrain) upon increasing the system size. It is customary to assume intheoretical models that the stress released in each plastic event isredistributed according to the linear Eshelby kernel, causing avalanches ofadditional stress release. Here we demonstrate that contrary to the uniformaffine strain resulting from simple or pure strain, each plastic event isassociated with a non-uniform strain that gives rise to a displacement fieldthat contains quadrupolar and dipolar charges that typically screen the linearelastic phenomenology and introduce anomalous length-scales and influence theform of the stress redistribution. An important question that opens up is howto take this into account in elasto-plastic models of shear induced phenomenalike shear-banding.

Dipole Screening in Pure Shear Strain Protocols of Amorphous Solids