超流

玻色&爱因斯坦凝聚（BEC）是量子统计学中最重要的结论之一，是超导，超流等宏观量子现象的理论基础。

Bose-Einstein condensation ( BEC ) is one of the most important results in quantum statistics . It is also the theoretical basis of many macroscopic quantum phenomena , such as superconductivity and superfluidity .

对于费米原子，这种技术可以用来研究超流的本质以及BCS-BEC渡越物理机制；而对于玻色原子，这种技术可以研究两种玻色凝聚体的关联、转化等问题。

For Fermi atoms , which can be used to study the nature of superfluidity and the BCS-BEC crossover physics mechanism ; while for Bose atoms , we can study the technology of two Bose condensates associated , transformation and other issues .

超流Hell中第一声、第二声和第四声声速的测量

Measurements of first , second and fourth sound - velocity in superfluid hell

超流氦制冷系统2K冷却级热力分析

Thermal analyses on the 2K cooling stage for superfluid helium refrigerator system

第四章：对策篇&当下维度和终极维度的和声。超流Hell中第一声、第二声和第四声声速的测量

Part Four , Countermeasures : harmony of the current and the ultimate . MEASUREMENTS OF FIRST , SECOND AND FOURTH SOUND - VELOCITY IN SUPERFLUID Hell

所以就增强了BCS超流配对强度。

So it enhances BCS pairing .

超流氦的Joule-Thomson系数研究

Study on the Joule-Thomson Coefficients of Superfluid Helium

光晶格中偶极BEC的超流一绝缘体转变50kA超导变压器杜瓦及高温超导电流引线的设计与优化

Superfluid-Insulator Transition of the Dipolar Bosons in an Optical Lattice ; Design and optimization of 50 kA super-conducting transformer dewar and high-temperature

由于在低温下，光子Cooper对不容易受到热运动的激发，因此有可能存在光的超流现象。

Since at the low temperature photonic Cooper pairs are not easily excited by scattering , it is essential to consider this potential super-flow phenomenon of light .

我们用格林函数得到两分量BEC能谱，从能谱的角度分析了超流-绝缘相变，并结合用平均场近似的方法得到的相图做以说明。

We get the Energy spectrum of two component BEC by Green function technique and analyze superfluid-Mott insulator phase transition , and phase diagram by mean-field approach .

本文针对百瓦量级2K超流氦低温系统的关键部件负压换热器，围绕负压换热器的选型、设计方法、结构优化设计和变热力参数影响展开了理论研究工作。

The thermal design and structure optimization for the sub-atmospheric heat exchangers , key components of the superfluid refrigeration system with hundred-watt cooling capacity , were studied in this paper .

QCD相变与系统对称性的改变有关，由此可区分包括退禁闭相变、手征相变、色超导相变、π超流相变等。

QCD phase transition is due to the change of symmetry properties of the system , including the deconfinement phase transition , chiral phase transition , color superconducting phase transition , 7r superfluid phase transition .

因为介子涨落效应，在平均场近似存在的Sarma相被排除掉，在低同位旋化学势时的π超流的Bose-Einstein凝聚区间也被明显地缩小。

Due to the meson fluctuations , the Sarma phase which exists at mean field level is washed away , and the Bose-Einstein condensation region at low isospin density is highly suppressed .

我们应用平均场近似和微扰论得出~7Li原子的相图，该相图与光学晶格中具有两体排斥相互作用的原子的相图一样，由超流相和Mott绝缘相组成。

The phase diagram for ~ 7Li atoms within a mean-field approximation is found to be composed of the superfluid and Mott-insulator phases as for bosonic atoms with a repulsive two-body interaction .

温度低于2.17K时，随着温度的降低，超流分数会增加，温度高于2.17K的时候，超流分数变为零，系统转变到正常态。

Below 2.17K , the superfluid fraction will increase as the temperature becomes lower . And above 2.17K , the superfluid fraction will become zero and the system will turn into normal fluid .

超流氦获取实验液位数据采集与测试系统研究

Study on the data acquisition system of superfluid helium obtaining experiment

~4He超流转变温度复现研究

Study on the Realization of the Temperature of ~ 4He Superfluid-Transition

多孔涂层对超流氦换热的传热强化作用

Heat transfer enhancement in superfluid helium by means of porous coatings

利用接触项算子导出超流的几点讨论

Some discussion on the derivation of supercurrent by contact term operators

一个玻色-爱因斯坦凝聚体超流临界速度值的修正

A modification of superfluity 's critical velocity for the Bose-Einstein condensates

超流费米原子气体中的集体激发及其相互作用研究

Investigations on Collective Excitations and Their Interactions of Superfluid Atomic Fermi Gases

过冷态超流氦浴中的二步相变传热研究

Two Step Phase Transition Heat Transfer to Subcooled Superfluid Helium

多孔介质中的液氦在超流转变点附近的行为

Behavior of liquid ~ 4he near the superfluid transition in porous glass

并且，我们还提出了一种探测拓扑超流相的方案。

We also propose a detection scheme for the topological superfluid phase .

过冷态聚合反应过冷态超流氦中的稳态传热

Polymerization in Supercooled State STEADY STATE HEAT TRANSFER TO SUBCOOLED SUPERFLUID HELIUM

微孔玻璃中~4He熔解曲线上的超流相变

The superfluid transition on the melting curve of ~ 4he in vycor

超流氦的沸腾现象具有一般流体的沸腾现象所没有的特异性质。

The boiling phenomenon in the superfluid helium has some special characteristics .

介绍了超流的一些现象、理论以及新近的研究结果。

Some phenomena , theories and recent investigations are described .

你正在用超流氦打造一个粒子探测器。

You 're building a particle detector using superfluid helium .

相对论情况下超流液He的孤立子运动特证

Soliton Motion Feature of Superfluid Liquid He for Relativity