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~6Li超冷费米气体窄Feshbach共振的实验研究

发布时间:2018-11-09 09:30
【摘要】:我们通过精确锁定Feshbach共振线圈中的电流,获得了稳定度接近10-5的Feshbach共振磁场。利用RF射频谱和原子共振损失谱精确地测量了超冷6 Li费米原子气体的窄Feshbach共振,研究了该Feshbach共振的相互作用和原子气体的能量依靠关系,测量了原子内态相互作用和密度所导致的射频跃迁的散射碰撞频移。这种能量依靠的相互作用的费米原子气体具有重要的意义,可以产生新奇的超流,用来模拟中子星物质的态方程。
[Abstract]:By accurately locking the current in the Feshbach resonance coil, we obtain a Feshbach resonance magnetic field with stability close to 10-5. The narrow Feshbach resonance of ultracold 6 Li Fermi atomic gas has been accurately measured by RF radio frequency spectrum and atomic resonance loss spectrum. The interaction between the Feshbach resonance and the energy dependence of the atomic gas has been studied. The scattering collision frequency shift of the radio frequency transition caused by the internal state interaction and density has been measured. This energy-dependent interacting Fermi atomic gas is of great significance and can produce novel superflows that can be used to simulate the equation of state of neutron star matter.
【作者单位】: 华东师范大学精密光谱科学与技术国家重点实验室;
【基金】:国家自然科学基金(11374101;91536112) 上海优秀学术带头人(17XD1401500)支持
【分类号】:O469


本文编号:2320028

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