Quantum Monte Carlo study of hard-core bosons in Creutz ladder with zero flux Project supported by the National Natural Science Foundation of China (Grant Nos. 11274032, 11774019, 51472016, and 51672018). |
(color online) The superfluid density versus the length of the ladder L for various values of tp with ty = 2. tp varies from 0.6 to 2.0 with the interval 0.1. |