Half-chain entanglement entropy in the one-dimensional spinless fermion model
- Authors
- Chung, Myung-Hoon
- Issue Date
- Dec-2016
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Entanglement Entropy; Time-Evolving Block Decimation; Matrix Product State
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.69, no.12, pp.1781 - 1786
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 69
- Number
- 12
- Start Page
- 1781
- End Page
- 1786
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/7085
- DOI
- 10.3938/jkps.69.1781
- ISSN
- 0374-4884
- Abstract
- We calculate the half-chain entanglement entropy of the ground state in the one-dimensional spinless fermion model. Considering a tiny corner of the Hilbert space represented by matrix product states, we efficiently find the ground state by using infinite time-evolving block decimation. The Schmidt coefficients are used to determine the half-chain entanglement entropy. Using the bond dimension scaling of the half-chain entanglement entropy, we find the critical region, which is consistent with the previous results.
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