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Entanglement renormalization in noninteracting fermionic systems
DOI:10.1103/PhysRevB.81.235102.png)
摘要
En 中文
We demonstrate, in the context of quadratic fermion lattice models in one and two spatial dimensions, the potential of entanglement renormalization (ER) to define a proper real-space renormalization group transformation. Our results show the validity of the multiscale entanglement renormalization ansatz to describe certain ground states in two dimensions, including quantum critical states. They also unveil a connection between the performance of ER and the logarithmic violations of the boundary law for entanglement in systems with a one-dimensional Fermi surface. ER is recast in the language of creation/annihilation operators and correlation matrices.
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期刊
IF:
3.7
论文数:
15.4W
被引数:
41.0W
机构
引用论文
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Scaling behavior of entanglement in two- and three-dimensional free-fermion systems
PHYSICAL REVIEW B
IF3.7

