宏观量子现象

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 .

单畴磁性颗粒的宏观量子现象及拓扑相位干涉效应

Macroscopic Quantum Phenomena and Topological Phase Interference Effects in Single-domain Magnets

Casimir效应是由边界的存在引起的真空零点能变化产生的宏观量子现象。

Casimir effect is a macroscopic quantum effect that results from the change of zero-point energy due to the existence of the boundaries .

约瑟夫森器件中的宏观量子现象及超导量子计算

Macroscopic quantum phenomena and quantum computation in superconducting Josephson devices

强调指出超流与超导一样是一种宏观量子现象。

It is emphasized that superfluidity is such a macroscopic quantum-mechanical phenomenon as superconductivity . $

稀薄原子气体中的玻色-爱因斯坦凝聚和磁性系统中磁化强度矢量的量子隧穿都是典型的宏观量子现象，本文就这两个系统进行了一些理论研究。

Bose-Einstein condensation in dilute atomic gas and quantum tunneling of magnetization vector in magnetic systems are both typical macroscopic quantum phenomena . This paper is mainly devoted to the theoretical investigation of thus two systems .

而宏观量子隧穿现象同时又是一个亚稳态的衰减过程。

Meanwhile the phenomenon of the macroscopic quantum tunneling is also a decay process of metastable state .

并且由于动力学不稳定性的存在，系统最终呈现宏观量子自捕获现象。

For both cases , the system will finally be set in a quantum self-trapping state due to dynamical instability .

自旋交换相互作用与磁偶极偶极相互作用的共同影响将导致旋量玻色爱因斯坦凝聚体的等效两组分间出现自发磁化现象和著名的宏观量子自俘获现象。

The interplay of spin-exchange and magnetic dipole-dipole interaction leads to the phenomena of spontaneous magnetization and the novel " macroscopic quantum self-trapping " .

另外本论文还涉及到磁体系宏观量子共振相干现象中的一个独特的效应：对于某些具有高对称性的磁系统，量子隧穿行为强烈依赖于磁性颗粒自旋的奇偶性。

One of the most striking effects in magnetic MQC is that the tunneling behaviors seem sensitive to the parity of the total spin in single-domain magnets for some spin systems with high symmetries .

BEC作为宏观量子系统，具有宏观波函数，整个体系是相位相干的，能够表现特有的宏观量子现象。

As a macroscopic quantum system , BEC has macroscopic wave-function . Its phase is coherent and it can exhibit special macroscopic quantum phenomena .