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52 papers · 1 filter
Fractal Quasicondensation in One Dimension
Flavio Riche, Miguel Gonçalves, Bruno Amorim +2
We unveil a novel mechanism for quasicondensation of hard-core bosons in the presence of quasiperiodicity-induced multifractal single-particle states. The new critical state, here…
Dimensional crossover on multileg attractive- Hubbard ladders
Anastasia Potapova, Ian Pilé, Tian-Cheng Yi +2
We study the ground state properties of a polarized two-component Fermi gas on multileg attractive- Hubbard ladders. Using exact diagonalization and density matrix renormalizati…
Exact results of dynamical structure factor of Lieb-Liniger model
Run-Tian Li, Song Cheng, Yang-Yang Chen +1
The dynamical structure factor (DSF) represents a measure of dynamical density-density correlations in a quantum many-body system. Due to the complexity of many-body correlations a…
One-body dynamical correlation function of Lieb-Liniger model at finite temperature
Song Cheng, Yang-Yang Chen, Xi-Wen Guan +2
The dynamical correlated properties of one-dimensional (1D) Bose gases provide profound understanding of novel physics emergent from collective excitations, for instance, the break…
Exact Spectral Function of One-Dimensional Bose Gases
Song Cheng, Yang-Yang Chen, Xi-Wen Guan +3
Exactly solved models provide rigorous understanding of many-body phenomena in strongly correlated systems. In this article, we report a breakthrough in uncovering universal many-b…
Solutions of the Schrödinger equation for anisotropic dipole-dipole interaction plus isotropic van der Waals interaction
Ruijie Du, Ran Qi, Peng Zhang
By generalizing Bo Gao's approach [Phys. Rev. A 58, 1728 (1998)] for solving the Schrödinger equation for an isotropic van der Waals (vdW) potential to the systems with a multi-sca…