This paper presents a novel fault location method for series compensated transmission lines. It is established based on synchronized voltages sampling and Thevenin impedance from both ends of series compensated transmission line. The method is based on the use of phasor measurement units (PMU) technology which is aimed to be independent of current measurements, fault type, fault resistance, fau...

We propose a novel approach to detect low power microwave signal with frequency of the order several GHz based on coherent collective response quantum states occurring in superconducting qubits network (SQN). An SQN composes large number embedded low-dissipative resonator. Our theory predicts that an interacting off-resonance radiation, demonstrates alternating current Stark effect can be measu...

In circuit quantum electrodynamics, qubits are typically measured using dispersively coupled readout resonators. Coupling between each resonator and its electrical environment, however, reduces the qubit lifetime via Purcell effect. Inserting a filter counters this effect while maintaining high fidelity but measurement bandwidth and, thus, limits multiplexing capacity. Letter, we develop implem...

We experimentally study a circuit quantum acoustodynamics system, which consists of superconducting artificial atom, coupled to both two-dimensional surface acoustic wave resonator and one-dimensional microwave transmission line. The strong coupling between the atom is confirmed by observation vacuum Rabi splitting at base temperature dilution refrigerator. show that propagation photons in line...

We carry out Monte Carlo simulations of the uniformly frustrated three dimensional XY model, as a model for vortex line fluctuations in a high Tc superconductor in an external magnetic field. A density of vortex lines of f = 1/25 is considered. We find two sharp phase transitions. The low T superconducting phase is an ordered vortex line lattice. The high T normal phase is a vortex line liquid,...

Deduce the differential equation for current (or voltage) in a two-conductor transmission line that is characterized by resistance R (summed over both conductors), inductance L, capacitance C and leakage conductance K, all defined per unit length. The leakage conductance describes the undesirable current Ileakage (per unit length) that flows directly from one conductor to the other across the d...

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