Quantum coherence and ground-state phase transition in a four-chain Bose–Hubbard model
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Quantum coherence and ground-state phase transition in a four-chain Bose–Hubbard model |
| Ji-Guo Wang,Lin-Qi Guo,Ya-Fei Song |
| Figure 2. The quantum coherence C as a function of ε/tN with U/tN = 0, the long-range interactions V/tN = 0, 0.3 and 1 in (a)–(c), respectively. (d) Is the corresponding $\bar{C}$ as a function of Δ/tN. |
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