Implications of the isotope effects on the magnetization, magnetic torque and susceptibility

Abstract

We analyze the magnetization, magnetic torque and susceptibility data of La2-xSrxCu(16,18)O4 and YBa2(63,65)CuO7-x near Tc in terms of the universal 3D-XY scaling relations. It is shown that the isotope effect on Tc mirrors that on the anisotropy. Invoking the generic behavior of the anisotropy the doping dependence of the isotope effects on the critical properties, including Tc, correlation lengths and magnetic penetration depths are traced back to a change of the mobile carrier concentration.

5 pages, 3 figures

References in corpus (8)

• Direct observation of the oxygen isotope effect on the in-plane magnetic field penetration depth in optimally doped YBa${}_2$Cu${}_3$O${}_{7-\delta }$
• Unconventional isotope effects in the high-temperature cuprate superconductors
• Oxygen-isotope effect on the in-plane penetration depth in cuprate superconductors
• Universal properties of cuprate superconductors
• Finite size effect in Bi2Sr2CaCu2O(8+d) and YBa2Cu3O6.7 probed by the in-plane and out of plane penetration depths
• Relationship between the isotope effects on transition temperature, specific heat and penetration depths
• Implications evinced by the phase diagram, anisotropy, magnetic penetration depths, isotope effects and conductivities of cuprate superconductors
• Relevance of electron-lattice coupling in cuprates superconductors