Even Hall effect in superconducting phase of YBa2Cu3O7-δ
Kopelevich Ya. V. , Lemanov V. V. , Sonin E. B. , Kholkin A. L.
An even "Hall effect'5 has been observed in the superconducting phase of ceramic YBa2Cu307_(5 ž The effect is explained on the basis of a "directed motion" of vortices. A physical picture of the flow of a current above the critical value is drawn.