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During the last decade experimental evidence is building that the masssupertransport through solid Helium-4 as well as the anomalously large matteraccumulation in the bulk -- the giant isochoric compressibility (aka thesyringe effect) -- are both supported by a network of dislocations withsuperfluid core. However, a structure of this network as well as its relationto the basal (non-superfluid) dislocations which are responsible for plasticityremain unclear. Here it is shown that superclimbing and basal edge dislocationscan form bound pairs. This implies that plastic deformation should produce thesyringe effect and vice versa. The experimental test is proposed. While thestrength of the effect depends on the average orientation of the paireddislocations, there is a feature unique for the superfluid dislocation scenario-- the supercurrents flow in the direction perpendicular to the plasticdeformation.

Plasticity induced superclimb in solid Helium-4: Direct and inverse effects