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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Does qubit connectivity impact quantum circuit complexity
量子比特连接 量子电路 复杂性
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2023/4/13
Some physical implementation schemes of quantum computing -- such as those based on superconducting qubits, quantum dots, and cold atoms -- can apply two-qubit gates only on certain pairs of qubits. O...
WSU physicists write with light,turn crystal into an electrical circuit（图）
WSU physicists write with light crystal electrical circuit
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2017/9/1
Washington State University physicists have found a way to write an electrical circuit into a crystal, opening up the possibility of transparent, three-dimensional electronics that, like an Etch A Ske...
Stirring-up atomtronics in a quantum circuit: What's so 'super' about this superfluid（图）
super a quantum circuit
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2014/3/20
While pursuing the goal of turning a cloud of ultracold atoms into a completely new kind of circuit element, physicists have demonstrated that such a cloud-known as a Bose-Einstein condensate (BEC)-ca...
Circuit Quantum Electrodynamics with a Superconducting Quantum Point Contact
Circuit Quantum Electrodynamics Superconducting Quantum Point Contact
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2012/2/27
We consider a superconducting quantum point contact in a circuit quantum electrodynamics setup. We study three different configurations, attainable with current technology, where a quantum point conta...
Low cogging torque and high efficient 3-phase spindle motors by reshaping magnetic circuit profiles
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2011/11/29
The dynamic characteristics of a 3-phase spindle motor with 12-poles and 9-slots can be improved by reshaping the magnetic circuit profiles. The stator cores were designed with different ratios of x/y...
Formulas for computing the magnetic flux density of fine magnetic pole pitch fabricated on printed circuit board
Printed circuit board (PCB) Pole pitch Magnetization Magnetic encoder
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2011/11/25
A special wire circuit with an appropriate layout was designed and formed on printed circuit board (PCB). After a current flowed through the wire circuit, the magnetic field was induced according to A...
Formulas for computing the magnetic flux density of fine magnetic pole pitch fabricated on printed circuit board
Printed circuit board (PCB) Pole pitch Magnetization Magnetic encoder
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2011/11/25
A special wire circuit with an appropriate layout was designed and formed on printed circuit board (PCB). After a current flowed through the wire circuit, the magnetic field was induced according to A...
Tunable coupling in circuit quantum electrodynamics with a superconducting V-system
Tunable coupling circuit quantum electrodynamics superconducting V-system
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2010/11/24
Recent progress in superconducting qubits has demonstrated the potential of these devices for
the future of quantum information processing.
A New Rb Lamp Exciter Circuit for Rb atomic clocks and Studies on Transition from Ring to Red mode
Rb Lamp Exciter Circuit Rb atomic clocks
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2010/11/16
In this paper we describe the development of novel RF exciter circuit for electrode less Rb lamp. The lamp exciter circuit is a RF oscillator with a a new configuration operating at 60 to 65 MHz freq...
Circuit QED with a Nonlinear Resonator : ac-Stark Shift and Dephasing
Circuit QED Nonlinear Resonator ac-Stark Shift and Dephasing
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2010/11/9
We have performed spectroscopic measurements of a superconducting qubit dispersively coupled to a nonlinear resonator driven by a pump microwave field. Measurements of the qubit frequency shift provid...
A Superconducting 180° Hybrid Ring Coupler for circuit Quantum Electrodynamics
Superconducting circuit Quantum Electrodynamics
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2010/10/27
Superconducting circuit quantum electrodynamics experiments with propagating microwaves require devices acting as beam splitters. Using niobium thin lms on silicon and sapphire substrates, we fabrica...
Solid state multi-ensemble quantum computer in waveguide circuit model
Solid state multi-ensemble quantum computer waveguide circuit model
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2010/10/21
The first realization of solid state quantum computer was demonstrated recently by using artificial atoms – transmons in superconducting resonator. Here, we propose a novel architecture of flexible an...
Logic circuit takes the heat（图）
Logic circuit the heat
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2010/9/21
Researchers in the US are the first to make tiny electromechanical logic circuits that operate at temperatures as high as 500 °C. The circuits contain two switches made from silicon carbide and operat...
Neuromorphic, Digital and Quantum Computation with Memory Circuit Elements
Memory, Resistance Capacitance Inductance Dynamic response Hysteresis
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2010/10/27
Memory effects are ubiquitous in nature and the class of memory circuit elements - which includes memristors,memcapacitors and meminductors - shows great potential to understand and simulate the assoc...
Branching Patterns and Stepped Leaders in an Electric-Circuit Model for Creeping Discharge
Branching Patterns Stepped Leaders Electric-Circuit Model
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2010/4/21
We construct a two-dimensional electric circuit model for creeping discharge. Two types of discharge, surface corona and surface leader, are modeled by a two-step function of conductance. Branched pat...