| 1. | Laser cooling ; optical molasses ; super cold atoms ; mot
激光冷却光学粘团超冷原子磁光阱 |
| 2. | 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
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。 |
| 3. | After a brief introduction of some experimental methods required in condensing ultracold bosons , and of the relevant fundamental theories , starting from the bose - hubbard model we study the excitation spectrum with bogliubov transformation
首先简单介绍了在实验上实现光格子囚禁超冷原子的一些方法，以及相关的基本理论与相应的研究工作。 |
| 4. | Located at sungei buloh and built at a cost of rm20 million , the oyl research and development centre has 11 test rooms to simulate various test conditions from the intense heat and humidity of a desert to the freezing environment
奥维尔研究与开发中心的承建成本达2千万零吉，它设有11所测试间，测试噪音级和各类的模拟测试包括从沙漠的强烈酷热和湿气至凝结冰块超冷环境的测试。 |
| 5. | Two of us ( grant and starr ) developed the idea further in papers that explored how ultracold hydrogen ? either liquid or supercritical gas ? might both chill the superconducting wires and deliver energy in chemical form within a continental - scale system
我们其中两位作者（葛兰特和史塔）曾经发表论文，探讨超冷氢（包括液态或超临界态）是否可用以建立大陆规模的系统，在冷却超导线路的同时，传输化学能源。 |
| 6. | Lastly , we discuss the energy - band structure of ultracold atoms in optical lattice by means of green function method and in addition , procure the superfluid - mott phase transition condition in mean - field approximation which is in agreement with the result in the literature
最后利用格林函数方法讨论了光格子中超冷原子的能带结构，根据mott相存在能隙的判据我们在平均场近似下重新得到superfluid - mott相变条件，该结论与相关文献一致。 |
| 7. | Due to the importance of the interferometer in implementing the logic gate operations , the coherent time of the system used as quantum bit must be as long as that to carry out the logic gate operations at least . the trapped ions meet the above demands , so it is the best candidate
由于离子阱中超冷离子是处在一个近乎与世隔绝的空间中，它与外界的相互作用极弱，所以由环境引起的消相干近似可以忽略，因此囚禁离子阱中超冷二能级离子成为实施量子逻辑门操作的首选。 |
| 8. | Finally , we present the approximate distribution of trapping potential of the guided cold atoms in the atomic funnel based on the vccc or the uccc . by using a similar method in the analysis of optical coherence , we study the coherent evolution of the ground - state wave function of ultra - cold atoms in atomic funnel , and obtain some normalized correlation functions of the first , second , third and high order
最后，给出了原子在基于v -型和u -型载流导体构建的原子漏斗中所感受到的囚禁势的摘要采用漂流导体的原子易引及其原于光学器件近似分分，并采用类似于光场相干性的分析方法，计算了超冷原子物质波的基进波函数及其在原子漏斗中传播时相干性的演化，得到了物质波的一阶、二阶、三阶和高阶相于度。 |
| 9. | The experts of the inside and outside nations company had researched and developed the " super cool star " which was the had standard of international and it is addi - tive of the highly effective refrigeration conservation , this is the product of simple use and the high technical ， could rapidly promote the refrigeration effect , the energy conservation to reach above 20 %
公司联合国内外专家共同研发了具有国际水平的“超冷星” ? ?高效制冷节能添加剂，该产品使用简单，技术含量高，能迅速提升压缩机的制冷效果，节能达20 %以上。 |
| 10. | Usually the magneto - optical trap is used to obtain the cold atoms from the vapor . it is reported that experiments for obtaining the ultra - cold cesium atoms by optical molasses directly from the vapor cell without mot . the lowest temperature achieved for the cesium atomic cloud was 3k . the relationship between the temperature and the detuning of cooling laser was measured
报告了采用直接从铯蒸汽气室而不用磁光阱实现了光学粘团的方法。用此办法得到了3的铯的超冷原子团。这是我国目前用激光冷却方法得到的最低温度。 |
