This paper proposes a scheme for realizing entanglement swapping in cavity QED. The scheme is based on the resonant interaction of a two-mode cavity field with a ∧-type three-level atom. In contrast with the previous...This paper proposes a scheme for realizing entanglement swapping in cavity QED. The scheme is based on the resonant interaction of a two-mode cavity field with a ∧-type three-level atom. In contrast with the previously proposed schemes, the present scheme is ascendant, since the fidelity is 1.0 and the joint measurement isn＇t needed. And the scheme is experimentally feasible based on the current cavity QED technique.展开更多
This paper proposes an experimentally feasible scheme for teleportation of an unknown two-atom entangled state, where a cluster state is used as the quantum channel. This scheme does not need any joint measurement. In...This paper proposes an experimentally feasible scheme for teleportation of an unknown two-atom entangled state, where a cluster state is used as the quantum channel. This scheme does not need any joint measurement. In addition, the successful probability and fidelity of teleportation can both reach 1.0. The current scheme can be realized within the current experimental technology.展开更多
An experimentally feasible scheme for teleportation of an unknown two-atom entangled state is proposed. Our scheme uses a duster state as the quantum channel, where we do not need any joint Bell-state measurement. Mor...An experimentally feasible scheme for teleportation of an unknown two-atom entangled state is proposed. Our scheme uses a duster state as the quantum channel, where we do not need any joint Bell-state measurement. Moreover the successful probability and fidelity of teleportation can both reach 1.0. The current scheme can be realized within the current experimental technology.展开更多
目的:观察关节腔注射联合“经筋”手法治疗早中期冻结肩的临床疗效及安全性。方法:选择62例早中期冻结肩患者,按照治疗方法不同分为观察组和对照组,每组31例。对照组予以口服美洛昔康片,外用温性经筋通贴膏、经筋通凝胶剂,观察组予以关...目的:观察关节腔注射联合“经筋”手法治疗早中期冻结肩的临床疗效及安全性。方法:选择62例早中期冻结肩患者,按照治疗方法不同分为观察组和对照组,每组31例。对照组予以口服美洛昔康片,外用温性经筋通贴膏、经筋通凝胶剂,观察组予以关节腔注射联合“经筋”手法治疗,分别于治疗前后比较疼痛视觉模拟量表(visual analogue score,VAS)评分、肩痛和功能指数(shoulder pain and function index,SPADI)、Fugl-Meyer肩关节活动范围量表评分和Constant-Murley肩功能评分,并对临床疗效及不良反应进行评价。结果:治疗后,两组VAS、SPADI评分较治疗前降低(P<0.01),Fugl-Meyer及Constant-Murley评分均较治疗前降低(P<0.01);且观察组与对照组比较,差异有统计学意义(P<0.05);随着时间的变化,两组VAS及Fugl-Meyer评分无明显变化,但观察组SPADI及Constant-Murley评分在治疗后3个月时与治疗后1周时比较,差异有统计学意义(P<0.05)。观察组SPADI及Constant-Murley评分总有效率均高于对照组,但差异无统计学意义(P>0.05)。观察组不良事件发生率[22.6%(7/31)]低于对照组[45.2%(14/31)](P<0.05)。结论:关节腔注射联合“经筋”手法治疗早中期冻结肩疗效明显,安全性好。展开更多
To explain the effect of joint roughness on joint peak shear strength(JPSS)and investigate the effect of different contact states of joint surface on JPSS,we try to clarify the physical mechanism of the effect of join...To explain the effect of joint roughness on joint peak shear strength(JPSS)and investigate the effect of different contact states of joint surface on JPSS,we try to clarify the physical mechanism of the effect of joint cavity percentage(JCP)on JPSS from the perspective of the three-dimensional(3D)distribution characteristics of the actual contact joint surface,and propose a JPSS model considering the JCP.Shear tests for red sandstone joints with three different surface morphologies and three different JCPs were performed under constant normal load condition.Based on test fitting results,the reduction effect of the JCP on JPSS is investigated,and a JPSS model for cavity-containing joints is obtained.However,the above model only considers the influence of JCP by fitting test data,and does not reveal the physical mechanism of JCP affecting the JPSS.Based on the peak dilation angle model for consideration of the actual contact joint morphology,and the influence of JCP on the roughness of the actual contact joint surface,a theoretical model of the JPSS considering the JCP is proposed.The derivation process does not depend on the test fitting,but is entirely based on the joint mechanical law,and its physical significance is clear.It is proposed that the essence of the influence of the JCP on JPSS is that the JCP first affects the normal stress of the actual contact joints,further affects the roughness of actual contact joints,and then affects the shear strength.展开更多
基金Project supported by the National Natural Science Foundation of China （Grant No 10574022）, the Funds of the Natural Science of Fujian Province, China （Grant No Z0512006）.
文摘This paper proposes a scheme for realizing entanglement swapping in cavity QED. The scheme is based on the resonant interaction of a two-mode cavity field with a ∧-type three-level atom. In contrast with the previously proposed schemes, the present scheme is ascendant, since the fidelity is 1.0 and the joint measurement isn＇t needed. And the scheme is experimentally feasible based on the current cavity QED technique.
基金Project supported by the National Natural Science Foundation of China (Grant No 60678022)the Doctoral Fund of Ministry of Education of China (Grant No 20060357008)+2 种基金the Key Program of the Education Department of Anhui Province, China (Grant No 2006KJ070A)the Program of the Education Department of Anhui Province, China (Grant No 2006KJ057B)the Talent Foundation of Anhui University, China, Anhui Key Laboratory of Information Materials and Devices, China (Anhui University)
文摘This paper proposes an experimentally feasible scheme for teleportation of an unknown two-atom entangled state, where a cluster state is used as the quantum channel. This scheme does not need any joint measurement. In addition, the successful probability and fidelity of teleportation can both reach 1.0. The current scheme can be realized within the current experimental technology.
基金National Natural Science Foundation of China under Grant Nos.60678022 and 1070400the Specialized Research Fund for the Doctoral Program of Higher Education of China under Grant No.20060357008+3 种基金Natural Science Foundation of Anhui Province under Grant No.070412060the Key Program of the Education Department of Anhui Province under Grant No.2006KJ070AThe Talent Foundation of Anhui UniversityAnhui Key Laboratory of Information Materials and Devices (Anhui University)
文摘An experimentally feasible scheme for teleportation of an unknown two-atom entangled state is proposed. Our scheme uses a duster state as the quantum channel, where we do not need any joint Bell-state measurement. Moreover the successful probability and fidelity of teleportation can both reach 1.0. The current scheme can be realized within the current experimental technology.
文摘目的:观察关节腔注射联合“经筋”手法治疗早中期冻结肩的临床疗效及安全性。方法:选择62例早中期冻结肩患者,按照治疗方法不同分为观察组和对照组,每组31例。对照组予以口服美洛昔康片,外用温性经筋通贴膏、经筋通凝胶剂,观察组予以关节腔注射联合“经筋”手法治疗,分别于治疗前后比较疼痛视觉模拟量表(visual analogue score,VAS)评分、肩痛和功能指数(shoulder pain and function index,SPADI)、Fugl-Meyer肩关节活动范围量表评分和Constant-Murley肩功能评分,并对临床疗效及不良反应进行评价。结果:治疗后,两组VAS、SPADI评分较治疗前降低(P<0.01),Fugl-Meyer及Constant-Murley评分均较治疗前降低(P<0.01);且观察组与对照组比较,差异有统计学意义(P<0.05);随着时间的变化,两组VAS及Fugl-Meyer评分无明显变化,但观察组SPADI及Constant-Murley评分在治疗后3个月时与治疗后1周时比较,差异有统计学意义(P<0.05)。观察组SPADI及Constant-Murley评分总有效率均高于对照组,但差异无统计学意义(P>0.05)。观察组不良事件发生率[22.6%(7/31)]低于对照组[45.2%(14/31)](P<0.05)。结论:关节腔注射联合“经筋”手法治疗早中期冻结肩疗效明显,安全性好。
基金supported by the National Natural Science Foundation of China (Nos.52208328 and 52104090)Open Research Fund Program of State Key Laboratory of Hydroscience and Engineering (No.sklhse-2021-C-06).
文摘To explain the effect of joint roughness on joint peak shear strength(JPSS)and investigate the effect of different contact states of joint surface on JPSS,we try to clarify the physical mechanism of the effect of joint cavity percentage(JCP)on JPSS from the perspective of the three-dimensional(3D)distribution characteristics of the actual contact joint surface,and propose a JPSS model considering the JCP.Shear tests for red sandstone joints with three different surface morphologies and three different JCPs were performed under constant normal load condition.Based on test fitting results,the reduction effect of the JCP on JPSS is investigated,and a JPSS model for cavity-containing joints is obtained.However,the above model only considers the influence of JCP by fitting test data,and does not reveal the physical mechanism of JCP affecting the JPSS.Based on the peak dilation angle model for consideration of the actual contact joint morphology,and the influence of JCP on the roughness of the actual contact joint surface,a theoretical model of the JPSS considering the JCP is proposed.The derivation process does not depend on the test fitting,but is entirely based on the joint mechanical law,and its physical significance is clear.It is proposed that the essence of the influence of the JCP on JPSS is that the JCP first affects the normal stress of the actual contact joints,further affects the roughness of actual contact joints,and then affects the shear strength.
