Found 9 Documents (Results 1–9)
Reduced density matrix and entanglement entropy of permutationally invariant quantum many-body systems. (English) Zbl 1260.81024
Symmetry-adapted formulation of the \(G\)-particle-hole hypervirial equation method. (English) Zbl 1309.81356
Powers of the Vandermonde determinant, Schur functions and recursive formulas. (English) Zbl 1247.05257
A new family of matrix product states with Dzyaloshinski-Moriya interactions. (English) Zbl 1251.82014
Combining the \(G\)-particle-hole hypervirial equation and the Hermitian operator method to study electronic excitations and de-excitations. (English) Zbl 1309.81358
Equation of motion of the correlated first-order density matrix for the ground-state of the Hookean atom with two electrons. (English) Zbl 1309.81349
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