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一个超低温中子捕捉装置的剖面观。Half section view of an ultracold neutron trapping apparatus.

幸运的是,我们的超冷原子云和冰块大不相同。Fortunately, our ultracold atom clouds are very unlike ice cubes.

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建立了超冷V型三能级原子注入的微脉塞的量子理论。The spectrum of the micromaser injected with ultracold V-type three-level atoms is studied.

由于形成的冷分子存在的时间比较短,我们仅取到粒子变化时间的二阶。Ultracold molecules exist at short time, so we considered the second order of evolution time.

研究了超冷玻色气体中的电磁感应透明现象。Electromagnetically induced transparency and slow light in ultracold Bose gas were investigated.

研究了超冷均匀极化的费米气体在共振区的相图。The phase diagram of a homogenous ultracold Fermi gas with spin polarization is studied at unitarity.

介绍了德布罗意原子物质波干涉仪的基本物理原理、特性及应用。In chapter 2, the theory of laser cooling and trapping and applications of ultracold atoms are reviewed.

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几个研究小组正相互竞争,要在实验室超冷气体的微粒里重现这种状态。Several research groups are in a race to recreate it in the laboratory in microscopic specks of ultracold gas.

这个性质可以用来在实验中区分超冷原子团中原子数目的奇偶性。This feature may be used to distinguish ultracold atomic clusters which have even or odd numbers of atoms in experiment.

超冷原子的德布罗意波波长在微米数量级,所以和它们有关的动力学也再不能用经典物理学来解释。Ultracold atoms have de Broglie wavelengths in the micrometer range, and their dynamics can no longer be described classically.

第四章针对空心光束的应用,综述了激光与原子相互作用的物理机制,分析了空心光束冷却原子的机理以及研究动态。In chapter 4, laser cooling and trapping and applications of ultracold atoms are reviewed. The beam and atom interaction theory is analyzed.

超冷费米原子气体的制备把简并量子费米气体的理论和实验研究带入一个新的阶段。The realizition of ultracold Fermi gases of atoms brings a new era to the theoretical and experimental research on degenerate quantum Feimi gases.

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综述了冷原子束或超冷原子束产生的基本原理、方法和实验结果及其最新进展。The basic principles, methods and experimental results on the generation of cold or ultracold atomic beams and their recent progresses are reviewed.

研究领域包括研究高量子力学系统中光与物质的相互作用,特别是超冷极地分子的形成。Her research has involved examining light-matter interactions in highly quantum mechanical systems, specifically the formation of ultracold polar molecules.

首先,他们把以正常光速传播的一个光脉冲射入一团约200万钠原子的超低温云团中使其减速。First, they slow a light pulse — travelling, naturally, at the speed of light — to a crawl by beaming it into an ultracold cloud of about two million sodium atoms.

因此,在有能力做出BEC的大约50间研究实验室里,微小的超冷原子云周围通常都环绕著好几吨的高科技设备。Thus, in the 50 or so research labs that are now able to produce BECs, the tiny cloud of ultracold atoms is usually surrounded by several tons of high-tech equipment.

在超冷固体中的粒子或许也能够制造出没有摩擦力的流体,但是有些物理学家则质疑,过去所观察到的是否真为「超固体」。The particles in ultracold solids may also be capable of frictionless flow, but some physicists have questioned whether past observations of such "supersolidity" were genuine.

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自旋结构因子在有限波矢处的峰值表明,反铁磁相与超流相可能在超冷费米原子气体中共存。The peak in the dynamic spin structure factor at the finite wavevector implies the possible coexistence of the antiferromagnetic phase with the superfluid phase in ultracold Fermi gases of atoms.