Vortex Transport Entropy in cuprate superconductors and Boltzmann Constant

R. P. Huebener, H. -C. Ri

The vortex transport entropy in the mixed state of the cuprate superconductors YBa${}_2$Cu${}_3$O${}_{7-\delta }$ and Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+x}$ at the maximum Nernst or Ettingshausen signa…