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XXX model. The physics of the Heisenberg XXX model strongly depends on the sign of the coupling constant and the dimension of the space. For positive the ground state is always ferromagnetic. At negative the ground state is antiferromagnetic in two and three dimensions. See more
The quantum Heisenberg model, developed by Werner Heisenberg, is a statistical mechanical model used in the study of critical points and phase transitions of … See more
For quantum mechanical reasons (see exchange interaction or Magnetism § Quantum-mechanical origin of magnetism), the dominant … See more
• Another important object is entanglement entropy. One way to describe it is to subdivide the unique ground state into a block (several sequential spins) and the environment (the … See more
Wikipedia text under CC-BY-SA license WebJan 29, 2018 · We study the ground state of the 1D Kitaev-Heisenberg (KH) model using the density-matrix renormalization group and Lanczos exact diagonalization methods. We obtain a rich...
Ground-State: Heisenberg model — NetKet - Read the Docs
Nature of the Spin-Liquid Ground State of the $S=1/2
Phys. Rev. B 100, 134434 (2019) - Spin-$\frac{1}{2}$ XXZ …
7.3: The Heisenberg Uncertainty Principle - Physics LibreTexts
Scalable Quantum Ground State Preparation of the Heisenberg …
Quantum dynamics of the square-lattice Heisenberg model
Kondo-Heisenberg chain: Phase diagram, Ising criticality, and the ...
Systematic determination of a material’s magnetic ground state …
Ground state of the two-dimensional antiferromagnetic …
[1208.1512] General method for finding ground state manifold of ...