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In this paper we consider general linear quantum systems with operator-valued variables. It is shown that a specific but fairly wide class of linear quantum control problems have exactly the same solutions to the corresponding classical one obtained simply by replacing the operator variables by the scalar variables. Based on this result, an application of the so-called covariance assignment control...
We applied terahertz time-domain spectroscopy on myosin II subfragment 1 (S1) to monitor temperature and hydration dependence of its low-frequency dynamics. In the absorption spectra of both apo and holo S1 (ATP-free and bound form, respectively), so-called dynamical transition was observed at around 190 K only when they are hydrated.
In this study, we proposed gaze-reactive brightness control of car onboard displays to ensure driver visibility and explored the method's effectiveness. In Experiment 1, we investigated the effect of an onboard display light for visibility and confirmed our proposed method's effectiveness. In Experiment 2, we developed the method presented in Experiment 1 and further explored its effectiveness under...
This paper presents a novel heating method for ferromagnetic metal and the power supply for induction heating. It is known that ferromagnetic metals are heated more easily than paramagnetic metals. However, when ferromagnetic metals are heated more than Curie temperature, their physical properties become the same as paramagnetic metals. In other words, a power supply may be destroyed because a soft...
A wavelength tunable mid-infrared 3-μm waveband light source with an effective intracavity system is successfully demonstrated using a high-performance 805-nm-band laser diode excitation. Advantages include wide-tunability (approx. 90-nm), simple wavelength controllability, and a small footprint.
Heat resistance of Ga-doped ZnO (GZO) films have been studied for films deposited by an ion-plating with DC-arc discharge. Influences of O2 flow rate during the deposition and atmosphere on heat resistance was examined. Electrical properties of the GZO films changed depending on the O2 flow rate during deposition. The minimum resistivity was obtained at the O2 flow rate of 11 sccm. The heat resistance...
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