Magnetic structure of doped antiferromagnet

Mori, Hiroyuki; Hamada, Minoru

doi:10.1016/0921-4526(94)91222-x

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Physica B: Condensed Matter

1994

DOI: 10.1016/0921-4526(94)91222-x

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Magnetic structure of doped antiferromagnet

Hiroyuki Mori

Minoru Hamada

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Cited by 5 publications

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“…Mostly they have been models in two and three dimensions. For instance, in several works on High Temperature Superconductivity the transition from paramagnetic (PM) to non-pure FM ordered phases has been studied [1,2,3,4]. On the other hand, in relation to the finite temperature phase transition in pure gauge SU(3), the d = 3 three state Potts model with negative second neighbour couplings was unsuccessfully considered to find a new critical behaviour [5,6].…”

mentioning

confidence: 99%

Phase diagram of d = 4 Ising model with two couplings

et al. 1996

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mentioning

confidence: 99%

Phase diagram of d = 4 Ising model with two couplings

et al. 1996

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The doping dependence of magnetic ordering in the t-J model with classical spins

Hamada¹,

Seki²,

Mori³

1995

Physica B: Condensed Matter

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Nonplanar spiral states of thet-Jmodel with classical spins

Hamada¹,

Seki²,

Mori³

1995

Phys. Rev. B

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The spiral state in the two-dimensional t-J model is studied by numerical diagonalization of an effective Hamiltonian. We examine all possibilities of the spiral spin states including the nonplanar states. It is found that nonplanar spiral states occur, but the deviations from the planar spiral state in the nonplanar spiral states are small for small hole concentrations where our effective Hamiltonian is valid. The modulation of the spin configuration increases continuously from the antiferromagnetic order as the hole concentration increases, and discontinuously changes at a critical hole concentration. Then the state undergoes the first-order phase transition either to the (s, O) phase or to the ferromagnetic phase, depending on the value of J/t

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Magnetic structure of doped antiferromagnet

Cited by 5 publications

References 3 publications

Phase diagram of d = 4 Ising model with two couplings

Phase diagram of d = 4 Ising model with two couplings

The doping dependence of magnetic ordering in the t-J model with classical spins

Nonplanar spiral states of thet-Jmodel with classical spins

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