arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1808.04793cond-mat.quant-gasquant-ph
收藏

低维自束缚玻色-费米液体

Self-bound Bose-Fermi liquids in lower dimensions

Debraj Rakshit, Tomasz Karpiuk, Paweł Zin, Mirosław Brewczyk, Maciej Lewenstein, Mariusz Gajda

摘要:

研究了二维和一维由玻色子和费米子组成的超冷原子混合体系的弱相互作用。当粒子之间的相互作用被适当调整时,可以形成自约束量子液体。我们表明,虽然这些液滴在2D中的形成是由于高阶校正项有助于总能量和起源于量子涨落,在1D几何的量子涨落有一个可以忽略不计的作用形成的自约束系统。领先的平均场相互作用,然后足够的液滴形成在1D。我们分析了二维和一维系统的稳定性条件,并预测液滴的平衡密度值。

英文摘要:

We study weakly interacting mixtures of ultracold atoms composed of bosonic and fermionic species in 2D and 1D. When interactions between particles are appropriately tuned, self-bound quantum liquids can be formed. We show that while formation of these droplets in 2D is due to the higher order correction terms contributing to the total energy and originating in quantum fluctuations, in 1D geometry the quantum fluctuations have a negligible role on formation of the self-bound systems. The leading mean-field interactions are then sufficient for droplet formation in 1D. We analyse stability conditions for 2D and 1D systems and predict values of equilibrium densities of droplets.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑