decoherence

decoherence

1. On the one hand, many solid-state-system-based scheme of quantum computing are facing the problems of integrating of qubits and quantum decoherence.

一方面，量子计算的方案在固体物理系统的实现面临着多量子比特的集成和量子退相干等量子多体问题。

2. The Difference Squeezing of Mixed State for Multimode Entangled State Light Fields in Decoherence

三态叠加多模纠缠态光场退相干下的混态差压缩

3. Decoherence of Relative Phase Damping in the Three-level Atom

三能级原子中相对位相阻尼引起的消相干

4. We investigate the entangle- ment, quantum teleportation, and quantum nonlocality affected by the phase decoherence of the environment.

为此，我们研究了相位退相干环境对纠缠、量子隐形传态和量子非局域性质的影响。

5. The decoherence in quantum mechanics is studied.

介绍了量子力学的退相干理论.

6. However, neither specific model for interpretation nor entanglement formed by the system to be measured and macro-instrumentation is logically reasonable in theoretical system of decoherence interpretation.

但量子测量退相干解释的具体模型，被测系统与宏观仪器所形成的纠缠态，在退相干解释理论体系中，逻辑不自恰。

7. In recent years, people have tried a lot of ways to conquer the quantum decoherenceand have found some methods to suppress the decoherence effectively.

但随着量子计算技术的发展,人们发现量子退相干效应在量子计算中的负面效应越来越凸显出来,成为制约量子技术进一步发展的瓶颈问题。

8. intrinsic decoherence

内禀消相干

9. Entanglement evolution and Bell inequality violation of two atoms in Tavis-Cummings model withintrinsic decoherence

内禀退相干下Tavis-Cummings模型中原子的纠缠演化与贝尔不等式破坏

10. ENTANGLEMENT BETWEEN MOLECULAR MAGNET AND ENVIRONMENT AND DECOHERENCE

分子磁体与环境的纠缠和退相干

11. The calculation results show that the simple intensity-dependent damping factor of pure dephasing can well describe the decoherence properties of complex multi-level system.

分析表明, 可以用简单的纯失相强度相关衰减因子来等效地分析复杂的多能级跃迁体系的退相干特性。

12. The atom's reduced density matrix is calculated when the quantum theory in small system coupled to thermal reservoir is used.The decoherence properties of atom is analyzed.

利用小系统与库耦合行为的量子理论，计算原子约化密度矩阵非对角元，分析原子状态的消相干特性。

13. Quality Factor and Decoherence Mechanism of Rabi Oscillation in Semiconductor Quantum Dot

半导体量子点Rabi振荡品质因子及其退相干机制

14. Intrinsic decoherence of entanglement of a single quantized field interacting with a two-level atom

单模光场与二能级原子的纠缠的内禀退相干

15. Decoherence Properties of Quantum Memory Cell in Squeezed Vaccum Reservoir

压缩真空场中量子存储单元的消相干特性

16. Characteristic of decoherence of a trapped ion interacted with the modulated bath

囚禁离子与调制热库相互作用时的退相干特征

17. It is shown that the success probability monotonously increases with increasing degree of squeezing of initial light field in the case without any decoherence processes.

在不考虑退相干过程的情况下，得到最大纠缠态的成功概率随着初始光场压缩度的增加而增加；

18. We discuss the properties of an external driving field when atom's decoherence vanish from sight.

在两能级原子的消相干被消除的情况下，讨论外加驱动场的特性。

19. In this part, we discuss the influence of quantum phase transitions on decoherence of qubit and how to describe quantum phase transitions by borrowing some tools from quantum information.

在这一部分我们讨论了量子相变对量子比特的退相干的影响，以及如何用量子信息中的一些概念和方法去刻画量子相变。

20. Two-level Atom's Decoherence Vanishing from Sight in the Big Detuning Interaction of Atom with Thermal Radiation Field

大失谐相互作用时两能级原子消相干性的消除

21. Decoherence sensing of even and odd coherent states via unambiguous quantum state Filtering

奇偶相干态通道的去相干敏感性研究

22. The key to seeing truly quantum behavior in a complex system is to isolate the system extremely well from the rest of the world, preventing decoherence and preserving fragile quantum states.

如果想看到复杂系统的量子行为，必须将系统与外在世界隔离开来，而且隔绝的程度要非常好，才能避免去相干，以保护脆弱的量子态。

23. Decoherence of a pair of two-level atoms by dipole-dipole interaction

存在偶极间相互作用的两能级原子的消相干

24. The system will stay in an entangled state with phase decoherence if the detuning is proper.

当失谐量适当时，系统可保持在纠缠相对较大的状态而无消纠缠态。

25. Finally, using the subdynamics theory, the construction of the decoherence subspace is discussed.

我们基于子动力学的子空问理论讨论了开放量子系统的量子计算问题。

26. Our experiment measured the decoherence rate by monitoring the precession of the spins.

我们的实验以观察电子自旋的进动来测量变调率。

27. We first calculate phase decoherence of a single qubit, and then extend the result to the case of independent decoherence of multiple qubits.

我们首先给出单个量子比特相位消相干的计算结果，然后将结果推广到多比特的独立相位消相干。

28. When the density matrix of the whole ensemble consisted of system-meter is reduced to the microscopic physical system, the system trend quantum decoherence in nature.

把由系统与仪器组成的系综的密度矩阵约化到被测系统部分，于是自然趋近量子退相干。

29. Dynamical control of decoherence induced by the environment in a two-level atom system is investigated.

摘要研究了在二能级原子系统中有环境诱导的退相干的控制问题。

30. The problem of the decoherence of two-level atom being put in a thermal reservoir through an external controllable driving field is studied in high-intensity cavity.

摘要研究置于外部环境（热库）中的两能级原子在外加驱动场时原子的消相干问题。

31. Over the past quarter century, decoherence idea has attracted widespread attention among experimental and theoretical physicists as well as philosophers of physics.

摘要近20年来退相干的思想引起了物理学界和物理学哲学界的关注，但是退相干单独不能解决测量问题。

32. Temporal decoherence

时间去相干

33. In this paper we investigate the quantum decoherence and the dynamics of nonlocality of two-mode single-photon subtracted squeezed vacuum state(TSSV).

本文研究了双模减单光子压缩真空态的量子退相干和非局域性动力学。

34. This scheme is insensitive to beating of vibrational motion, which is important in view of decoherence.

本方案对离子的振动不敏感，从退相干的角度看这一性质非常重要。

35. In this paper, we deduce the decoherent factor in theory, and then we control decoherence by varying coupling coefficient.

本论文从理论上推导了退相干因子，随后，通过改变耦合系数，对退相干进行控制。

36. Such as diversified quantum noises, especially, decoherence induced from coupling between the quantum system and environment, will spoil the coherence, entanglement of the quantum system will reduce.

比如在实际系统中，由于环境噪声等消相干的影响无处不在，量子系统的纠缠度却很难保持。

37. decoherence suppression

消相干抑制

38. quantum field to decoherence

消相干量子场

39. Elimination of two-level atom's decoherence by an external driving field in degenerate two-photon processes

消除简并双光子过程中二能级原子的消相干性

40. DECOHERENCE PROPERTIES OF TWO-LEVEL ATOM IN THE BIG DETUNING INTERACTION OF ATOM WITH THERMAL RADIATION FIELD

热辐射场中两能级原子在大失谐情况下的消相干特性

41. , form the single qubit case to the multip1e qubits case, form the independent decoherence case to the collective decoherence case, and then to the general case of spatially-correlated decoherence.

然后我们研究振幅消相干，也是按照从单比特到多比特，从独立消相干到集体消相干，再到一般的空间关联消相干的顺序。

42. Then, an open-loop control is designed to suppress decoherence, which is shown to be capable of asymptotically decoupling a part of the dynamic variables of the system from the environmental noises.

然后，引入开环控制抑制退相干，并证明该控制可使系统状态中的部分分量与环境噪声渐近解耦。

43. Decoherence due to the interaction of quantum systems and environment is mainly difficult to application of quantum information.

然而在实际应用中,由于系统与环境的相互作用而导致的退相干已成为量子信息学研究目前遇到的最大困难。

44. Independent decoherence is an ideal circumstance.As another ideal circumstance, we consider collective phase decoherence of multiple qubits.New phenomena take p1ace in collective decoherence.

独立相位消相干是一种理想情形，作为另一种理想情形，我们考虑了多比特的集体相位消相干。

45. SUPPRESSION OF DECOHERENCE IN TWO-STATE QUANTUM SYSTEMS INTERACTING WITH BATH THROUGH AN EXTERNAL CONTROLLABLE FIELD

用外加驱动场压缩有热槽相互作用二态量子系统的退相干性

46. Objective To explore the effect of internal negative pressure drainage in abdominal incision to prevent fat liquefaction and incision decoherence.

目的探讨腹部切口内放置负压引流防治切口脂肪液化、裂开的效果。

47. Phase decoherence induces dephasing, and amplitude decoherence induces dephasing and loss of energy at the same time.

相位消相干引起解相过程，而振幅消相干同时引起解相过程和能量耗散。

48. the phase decoherence

相位退相干

49. phase decoherence

相位阻尼

50. The most remarkable one is that for collective decoherence there are coherence-preserving states.The coherence-preserving states are a special type of states which are stable under noisy environment.

研究发现，集体相位消相干和独立相位消相干具有本质的不同，最突出的一点是，对于集体相位消相干，存在相干保持态。

51. Control of decoherence induced by the bath in an ion trap

离子阱中热库诱导退相干的控制

52. THE SUPPRESSION OF TWO-LEVEL ATOM's DECOHERENCE THROUGH AN EXTERNAL DRIVING FIELD IN DEGENERATE MULTI-PHOTON PROCESSES

简并多光子过程中两能级原子消相干性的消除

53. Decoherence Properties of a Two-level Atom in Degenerate Two-photon Processes with a Kerr-like Medium

类Kerr介质双光子过程中两能级原子的消相干特性

54. Keywords spinning machine;decoherence technology;quality;

细纱机;脱圈工艺;质量;

55. decoherence technology

脱圈工艺

56. Both analytical and numerical results indicate a new mechanism of decoherence: when the environment is near to the critical point, quantum phase transition will enhance decoherence of the system.

解析分析和数值计算结果都揭示了一个导致二能级系统退相干（或环境的克斯密特回波衰减）的新机制--当环境处在量子临界点附近时，它的量子相变会加剧系统的退相干。

57. Quantum coding is the most efficient way to combat decoherence.

迄今为此，人们发现的克服消相干的最有效的方法为量子编码。

58. This result indicates the intrinsic relation between entanglement, Loschmidt echo, decoherence and quantum criticality.

这个结果揭示了纠缠，洛克斯密特回波，退相干以及临界性之间的内在联系。

59. The rapid decoherence occurs because the electric force between charges is strong and long range.

这种快速变调发生的原因在于电荷与电荷之间的静电力既强又远。

60. This population-based origin of decoherence holds forth the hope that the spin coherence times of individual electrons may turn out to greatly exceed even the remarkably long times seen in ensembles.

这种整体型的去同调让我们充满希望，既然总体同调时间已经相当长了，个别电子的自旋同调时间应该会更长。

61. suppression of decoherence

退相干抑制

62. Decoherence control

退相干控制

63. The paper considers it necessary to rebuild a practical model for decoherence interpretation.

退相干解释的应用模型仍存在重新建立的必要。

64. Through a typical quantum measurement model, we study the relation between decoherence of a central two-level system and quantum phase transition in its environment.

通过一个典型的量子测量模型，我们研究了一个二能级系统的退相干与和他耦合的环境的量子相变之间的关系。

65. We choose the suitable perturbations acting on the qubit system to decrease the decoherence due to spontaneous emission damping.

通过对量子位系统施加适当的扰动可以减少由自发辐射引起的退相干。

66. By applying this scheme, in presence of spontaneous emission, the decoherence can be efficiently suppressed.

通过应用这种机制，在存在自发辐射的情况下，可以有效地抑制退相干。

67. quantum decoherence

量子消相干

68. Decoherence in quantum systems can be divided into two main kinds, phase decoherence and amplitude decoherence.

量子系统中的消相干，按其理论描述方法，可分为两大类，即相位消相干和振幅消相干。

69. Keywords quantum computation;quantum decoherence;quantum dynamical decoupling;quantum control of feedback;

量子计算;量子退相干;量子动力学解耦;量子反馈控制;

70. One of the main difficulties of quantum computation is that decoherence destroys the information in a quantum computer memory cell.

量子计算机存储单元的相干脱散，破坏量子态中的信息，是量子计算机难以实现的主要原因之一。

71. To reconstruct the spinning moulding gear facing to the decoherence Status when the fine yarns being producted.The products's quality have been improved after adjusting the technology design.

针对纱号高时,细纱机传统的成形工艺出现的脱圈现象,对细纱机管纱成形的工艺设计进行了适当调整,调整后,脱圈现象得到改善,产品质量得到了提高。

72. Decoherence Properties of a Two-level Atom Interacting with a Thermal Radiation Field without Rotating Wave Approximation

非旋波近似中两能级原子与热库相互作用时原子的消相干特性

73. The model of two-level open quantum systems under coherent control is formulated, in which the decoherence suppression is equivalent to the decoupling problem of the system from environmental noises.

首先讨论了二能级开放量子系统在相干控制下的建模问题，将退相干抑制归结为与环境噪声解耦的控制问题。