We present some exact results for the ground state of a quantum mechanical antiferromagnetic model in the two dimensions with next-nearest neighbor interactions
Abstract. We introduce a Hamiltonian for two interacting su(2) spins. We use a mean-field analysis a...
We present the construction of an optimum ground state for a quantum spin-3/2 antiferromagnet. The s...
We use the matrix product approach to construct all optimum ground states of general anisotropic sp...
Exact ground states are constructed for a class of linear antiferromagnetic spin systems with isotro...
Exact ground states are constructed for a class of linear antiferromagnetic spin systems with isotro...
Some frustrated spin models in two dimension are constructed, the ground state of which can be deter...
We use the vertex state model approach to construct optimum ground states for a large class of quant...
We solve analytically the N £ N square lattice Hubbard model for even N at half-filling and weak cou...
We study the ground-state properties of the one-dimensional spin-1/2 Heisenberg-XY magnet with antif...
We solve analytically the N×N square lattice Hubbard model for even N at half-filling and weak coupl...
A quasi-one-dimensional spin model that consists of a chain of octahedra of spins has been suggested...
A trial function for the ground state of the antiferromagnetic linear chain leads to an equation for...
Approximate values for the ground-state energy of one- and two-dimensional antiferromagnetic systems...
The author calculates lower bounds for the ground state energy of the linear antiferromagnetic Heise...
Approximate values for the ground-state energy of one- and two-dimensional antiferromagnetic systems...
Abstract. We introduce a Hamiltonian for two interacting su(2) spins. We use a mean-field analysis a...
We present the construction of an optimum ground state for a quantum spin-3/2 antiferromagnet. The s...
We use the matrix product approach to construct all optimum ground states of general anisotropic sp...
Exact ground states are constructed for a class of linear antiferromagnetic spin systems with isotro...
Exact ground states are constructed for a class of linear antiferromagnetic spin systems with isotro...
Some frustrated spin models in two dimension are constructed, the ground state of which can be deter...
We use the vertex state model approach to construct optimum ground states for a large class of quant...
We solve analytically the N £ N square lattice Hubbard model for even N at half-filling and weak cou...
We study the ground-state properties of the one-dimensional spin-1/2 Heisenberg-XY magnet with antif...
We solve analytically the N×N square lattice Hubbard model for even N at half-filling and weak coupl...
A quasi-one-dimensional spin model that consists of a chain of octahedra of spins has been suggested...
A trial function for the ground state of the antiferromagnetic linear chain leads to an equation for...
Approximate values for the ground-state energy of one- and two-dimensional antiferromagnetic systems...
The author calculates lower bounds for the ground state energy of the linear antiferromagnetic Heise...
Approximate values for the ground-state energy of one- and two-dimensional antiferromagnetic systems...
Abstract. We introduce a Hamiltonian for two interacting su(2) spins. We use a mean-field analysis a...
We present the construction of an optimum ground state for a quantum spin-3/2 antiferromagnet. The s...
We use the matrix product approach to construct all optimum ground states of general anisotropic sp...
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