Common energy scale for magnetism and superconductivity in cuprates

Abstract

Many compounds based on CuO_2 planes (cuprates) super-conduct below a critical temperature Tc. Some of them show a second phase where a spontaneous static magnetic field appears below a critical temperature Tg, which is lower then Tc. By comparing Tc and Tg in numerous superconducting families, each with its own maximum Tc, we find that the same energy scale determines both critical temperatures. This clearly indicates that superconductivity and magnetism are intimately related in the cuprates.

This is an updated version of the original paper published in Phys. Rev. B 68, 012507 (2003) and includes new YBa2Cu3O_{6+y} data from Sanna et al. cond-mat/0403608

References in corpus (2)

• Evidence for a generic novel quantum transition in high-Tc cuprates
• Coexistence of bulk antiferromagnetic order and superconductivity in the QED3 theory of copper oxides

Cited by in corpus (10)

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• Nanoscopic coexistence of magnetism and superconductivity in YBa2Cu3O6+x detected by MuSR
• A magnetic analog of the isotope effect in cuprates
• Correlated trends of coexisting magnetism and superconductivity in optimally electron-doped oxy-pnictides
• Nanoscopic coexistence of magnetic and superconducting states within the FeAs layers of CeFeAsO1-xFx
• Mechanism of High-Tc Superconductivity Based Mainly on Tunneling Measurements in Cuprates
• Universal linear relations between susceptibility and Tc in cuprates
• Quantum Critical Point, Scaling, and Universality in High Tc [CaxLa(1-x)][Ba(2-c-x)La(c+x)]Cu3Oy
• Singling out the effect of quenched disorder in the phase diagram of cuprates
• Unified description of charge and spin excitations of stripes in cuprates