In this essay the idea is put forward that rethinking doing is the task that human sciences will need to undertake in the twenty-first century because the dichotomy do/think is one of the most deceptive and dangerous ...In this essay the idea is put forward that rethinking doing is the task that human sciences will need to undertake in the twenty-first century because the dichotomy do/think is one of the most deceptive and dangerous that the Western furor dividendi has ever formulated. Likewise, this is the time to re-do thinking： Both activities, divided from each other, are today quantitatively efficient, but incapable of making sense of themselves, of their own proceeding and of the world where they operate. Similarly incapable are the people who perform them and suffer cruelly from this defeat. It would take a rehabilitated subject, restored to an active role as interpreter and creator of culture, to remedy these shortcomings, reintegrating the spheres in a tensile equilibrium rich in novelty and significance. To this end, in an interdisciplinary perspective, insights by Dumont, Simmel, and Damasio are discussed and connected to Sennett＇s crucial intuition of the need for a new craftsmanship. This becomes the model of a foundational cultural act, in which a complex vision of culture joins a subjectivity that is at the same time a dynamic balance between rational and emotional components and a process where body and soul are inextricably entwined.展开更多
Considering fluctuant dark count rate in practical quantum key distribution(QKD) system,a new decoy-state method with one vacuum state and one weak decoy state is presented based on a heralded single photon source(HSP...Considering fluctuant dark count rate in practical quantum key distribution(QKD) system,a new decoy-state method with one vacuum state and one weak decoy state is presented based on a heralded single photon source(HSPS).The method assumes that the dark count rate of each pulse is random and independent.The lower bound of the count rate and the upper bound of the error rate of a single photon state are estimated.The method is applied to the decoy-state QKD system with and without the fluctuation of dark count rate.Because the estimation of the upper bound of a single photon state's error rate is stricter,the method can obtain better performance than the existing methods under the same condition of implementation.展开更多
文摘In this essay the idea is put forward that rethinking doing is the task that human sciences will need to undertake in the twenty-first century because the dichotomy do/think is one of the most deceptive and dangerous that the Western furor dividendi has ever formulated. Likewise, this is the time to re-do thinking： Both activities, divided from each other, are today quantitatively efficient, but incapable of making sense of themselves, of their own proceeding and of the world where they operate. Similarly incapable are the people who perform them and suffer cruelly from this defeat. It would take a rehabilitated subject, restored to an active role as interpreter and creator of culture, to remedy these shortcomings, reintegrating the spheres in a tensile equilibrium rich in novelty and significance. To this end, in an interdisciplinary perspective, insights by Dumont, Simmel, and Damasio are discussed and connected to Sennett＇s crucial intuition of the need for a new craftsmanship. This becomes the model of a foundational cultural act, in which a complex vision of culture joins a subjectivity that is at the same time a dynamic balance between rational and emotional components and a process where body and soul are inextricably entwined.
基金supported by the National High Technology Research and Development Program of China (No.2009AAJ128)the Science Foundation of Naval University of Engineering (No.HGDQNJJ11022)
文摘Considering fluctuant dark count rate in practical quantum key distribution(QKD) system,a new decoy-state method with one vacuum state and one weak decoy state is presented based on a heralded single photon source(HSPS).The method assumes that the dark count rate of each pulse is random and independent.The lower bound of the count rate and the upper bound of the error rate of a single photon state are estimated.The method is applied to the decoy-state QKD system with and without the fluctuation of dark count rate.Because the estimation of the upper bound of a single photon state's error rate is stricter,the method can obtain better performance than the existing methods under the same condition of implementation.
