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Inner edge state with spin and valley degrees of freedom is a promising candidate for designing a dissipationless device due to the topological protection. The central challenge for the application of the inner edge state is to generate and modulate the polarized currents. In this work, we discover a new mechanism to generate fully valley- and spin–valley-polarized current caused by the Bloch wavevector mismatch (BWM). Based on this mechanism, we design some serial-typed inner-edge filters. By using once of the BWM, the coincident states could be divided into transmitted and reflected modes, which can serve as a valley or spin–valley filter. In particular, while with twice of the BWM, the incident current is absolutely reflected to support an off state with a specified valley and spin, which is different from the gap effect. These findings give rise to a new platform for designing valleytronics and spin-valleytronics. [ABSTRACT FROM AUTHOR]

In this work, we propose a Y-shaped nanojunction consisting of zigzag silicene nanoribbons (ZSNRs), and study the charge/spin transport based on a tight-binding approach, Landauer formalism and non-equilibrium Green's function method. The topological states with various edge modes, such as quantum spin Hall insulator, quantum Hall insulator and band insulator, can all be engineered by the electric field and photoirradiation in ZSNRs. Through tuning the edge states of the two output terminals, three types of charge/spin router can be achieved in the present nanojunction. The first is a charge current switcher, which switches the charge current from one output terminal to the other. The second is a spin current router, which shunts the spin-up and spin-down current into different output terminals. The last is a spin filter, which filters the spin-polarized current into a specific output terminal. The proposed Y-shaped nanojunction may have potential applications in electronic and spintronic nanodevices in the future. [ABSTRACT FROM AUTHOR]

Objective: To observe clinical effect of warming-needle moxibustion combining with menstrual cycle therapy in the treatment of follicular dysplasia. Methods: It was randomly divided 61 cases of patients diagnosed as follicular dysplasia clinically into two groups, cycle warming-needle moxibustion group and common warming-needle moxibustion group. There were 30 cases in the cycle warming-needle moxibustion group, and 31 cases in the common warming-needle moxibustion group. All of the patients in the two groups should give corresponding treatment for three menstrual cycle. It compared the change of basal body temperature (BBT) of patients in two groups before and after the treatment. Moreover, it recorded follicular maturation time, diameter of the largest follicle, ovulation rate and development situation of endometrium. Results: Comparison of BBT biphasic rate, diameter of the largest follicle, follicular maturation time and ovulation rate between the common warming-needle moxibustion group and cycle warming-needle moxi-bustion group indicated that the difference was statistically significant (P < 0.05). Moreover, comparison of thickness of endometrium between common warming-needle moxibustion group and cycle warming-needle moxibustion group indicated that the difference was statistically significant (P < 0.01). Conclusions: Treatment of follicular dysplasia with warming-needle moxibustion combining with menstrual cycle therapy could increase BBT biphasic rate. Besides, the therapeutic method could prompt development and maturation of follicle, increase ovulation rate and improve development situation of endometrium. [ABSTRACT FROM AUTHOR]