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Quantum Algorithms
Frustration-driven QPT in the 1D extended anisotropic Heisenberg model
arXiv
Authors: E. Plekhanov, A. Avella, F. Mancini
Year
2007
Paper ID
50120
Status
Preprint
Abstract Read
~2 min
Abstract Words
78
Citations
N/A
Abstract
By using Density Matrix Renormalization Group (DMRG) technique we study the 1D extended anisotropic Heisenberg model. We find that starting from the ferromagnetic phase, the system undergoes two quantum phase transitions (QPTs) induced by frustration. By increasing the next-nearest-neighbor (NNN) interaction, the ground state of the system changes smoothly from a completely polarized state to a NNN correlated one. On the contrary, letting the in-plane interaction to be greater than the out-of-plane one, the ground state changes abruptly.
Why This Paper Matters
- It adds a 2007 reference point for readers tracking recent quantum research.
- By using Density Matrix Renormalization Group (DMRG) technique we study the 1D extended anisotropic Heisenberg model.
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