Magnetic phase diagram and magnetic pairing in doped La2CuO4

Amnon Aharony; R. J. Birgeneau; A. Coniglio; M. A. Kastner; H. E. Stanley

doi:10.1103/PhysRevLett.60.1330

Magnetic phase diagram and magnetic pairing in doped La2CuO4

Amnon Aharony^*, R. J. Birgeneau, A. Coniglio, M. A. Kastner, H. E. Stanley

^*Corresponding author for this work

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

We discuss the temperature-concentration phase diagram of doped La2CuO4. The addition of holes introduces a local ferromagnetic exchange coupling between Cu spins. The resulting frustration destroys the 3D Néel state characterizing pure La2CuO4, and generates a new 3D spin-glass phase. In the paramagnetic phase, strongly correlated Cu spins in the planes are canted by the holes, yielding an oscillating dipole-dipole attraction between holes. The possible relevance to superconductivity is discussed.

Original language	English
Pages (from-to)	1330-1333
Number of pages	4
Journal	Physical Review Letters
Volume	60
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.60.1330
State	Published - 1988

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10.1103/PhysRevLett.60.1330

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abstract = "We discuss the temperature-concentration phase diagram of doped La2CuO4. The addition of holes introduces a local ferromagnetic exchange coupling between Cu spins. The resulting frustration destroys the 3D N{\'e}el state characterizing pure La2CuO4, and generates a new 3D spin-glass phase. In the paramagnetic phase, strongly correlated Cu spins in the planes are canted by the holes, yielding an oscillating dipole-dipole attraction between holes. The possible relevance to superconductivity is discussed.",

author = "Amnon Aharony and Birgeneau, {R. J.} and A. Coniglio and Kastner, {M. A.} and Stanley, {H. E.}",

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AU - Aharony, Amnon

AU - Birgeneau, R. J.

AU - Coniglio, A.

AU - Kastner, M. A.

AU - Stanley, H. E.

PY - 1988

Y1 - 1988

N2 - We discuss the temperature-concentration phase diagram of doped La2CuO4. The addition of holes introduces a local ferromagnetic exchange coupling between Cu spins. The resulting frustration destroys the 3D Néel state characterizing pure La2CuO4, and generates a new 3D spin-glass phase. In the paramagnetic phase, strongly correlated Cu spins in the planes are canted by the holes, yielding an oscillating dipole-dipole attraction between holes. The possible relevance to superconductivity is discussed.

AB - We discuss the temperature-concentration phase diagram of doped La2CuO4. The addition of holes introduces a local ferromagnetic exchange coupling between Cu spins. The resulting frustration destroys the 3D Néel state characterizing pure La2CuO4, and generates a new 3D spin-glass phase. In the paramagnetic phase, strongly correlated Cu spins in the planes are canted by the holes, yielding an oscillating dipole-dipole attraction between holes. The possible relevance to superconductivity is discussed.

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U2 - 10.1103/PhysRevLett.60.1330

DO - 10.1103/PhysRevLett.60.1330

M3 - מאמר

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SP - 1330

EP - 1333

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

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Magnetic phase diagram and magnetic pairing in doped La2CuO4

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