44 Result(s)
within
Ri**ang Zhu
Physics
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Article
Open AccessCosmological correlators through the looking glass: reality, parity, and factorisation
We consider the evolution of quantum fields during inflation, and show that the total-energy singularities appearing in the perturbative expansion of the late-time Wavefunction of the Universe are purely real ...
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Article
Open AccessSystematic improvements in transmon qubit coherence enabled by niobium surface encapsulation
We present a transmon qubit fabrication technique that yields systematic improvements in T1 relaxation times. We encapsulate the surface of niobium and prevent the formation of its lossy surface oxide. By maintai...
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Article
Open AccessExperimental sensing quantum atmosphere of a single spin
Understanding symmetry-breaking states of materials is a major challenge in the modern physical sciences. Quantum atmosphere proposed recently sheds light on the hidden world of these symmetry broken patterns....
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Article
Open AccessQuantifying quantum coherence of multiple-charge states in tunable Josephson junctions
Coherence and tunneling play central roles in quantum phenomena. In a tunneling event, the time that a particle spends inside the barrier has been fiercely debated. This problem becomes more complex when tunne...
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Article
Open AccessA review of research on material removal mechanisms for laser-assisted machining of difficult-to-machine materials
With the development of technology in aerospace, medical devices and other fields, high-performance difficult-to-machine materials have been widely used in these fields due to their good comprehensive mechanic...
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Article
Open AccessGround magnetic survey on Mars from the Zhurong rover
Mars’ magnetic field has been measured at large scale by orbiting spacecraft and at very small scale via Martian meteorites. Here we report on a ground magnetic survey on metre to kilometre scales. The Zhurong...
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Article
Open AccessErratum to: Simulation software of the JUNO experiment
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Article
Open AccessMetasurface-enabled polarization-independent LCoS spatial light modulator for 4K resolution and beyond
With the distinct advantages of high resolution, small pixel size, and multi-level pure phase modulation, liquid crystal on silicon (LCoS) devices afford precise and reconfigurable spatial light modulation tha...
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Article
Open AccessSimulation software of the JUNO experiment
The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose experiment, under construction in southeast China, that is designed to determine the neutrino mass ordering and precisely measure neutrin...
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Chapter and Conference Paper
Study on Capiliary Characteristics of Stainless Steel Wire Mesh Wick of Alkali Metal Heat Pipe
The capillary characteristics of the wicks are of great significance to the normal operation of the heat pipe,and this study carried out the wick experiment of vertical reel stainless steel wire mesh in liquid...
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Article
Open AccessMass testing and characterization of 20-inch PMTs for JUNO
Main goal of the JUNO experiment is to determine the neutrino mass ordering using a 20 kt liquid-scintillator detector. Its key feature is an excellent energy resolution of at least 3% at 1 MeV, for which its ...
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Article
Open AccessOptical synaptic devices with ultra-low power consumption for neuromorphic computing
Brain-inspired neuromorphic computing, featured by parallel computing, is considered as one of the most energy-efficient and time-saving architectures for massive data computing. However, photonic synapse, one...
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Article
Open AccessA Through-Intact-Skull (TIS) chronic window technique for cortical structure and function observation in mice
Modern optical imaging techniques provide powerful tools for observing cortical structure and functions at high resolutions. Various skull windows have been established for different applications of cortical i...
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Article
Open AccessDam** signatures at JUNO, a medium-baseline reactor neutrino oscillation experiment
We study dam** signatures at the Jiangmen Underground Neutrino Observatory (JUNO), a medium-baseline reactor neutrino oscillation experiment. These dam** signatures are motivated by various new physics mod...
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Article
Open AccessDesign of an All-Fiber Fabry-Perot Sensor for Strain Measurement in Radiative Environment
A length-matched micro Fabry-Perot (FP) interferometer is proposed for strain measurement under irradiation environment. Theoretical simulation shows that a well length-matched FP sensor can achieve a very low...
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Article
Open AccessCutting rule for cosmological collider signals: a bulk evolution perspective
We show that the evolution of interacting massive particles in the de Sitter bulk can be understood at leading order as a series of resonant decay and production events. From this perspective, we classify the ...
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Article
Open AccessStudy of the Sensing Characteristics of Irradiated Fiber Bragg Gratings and Fabry-Perot Interferometers Under Gamma Radiation
The sensing characteristics of irradiated fiber Bragg gratings (FBGs) and Fabry-Perot interferometers (FPIs) were investigated under a 2 MGy dose of gamma radiation. The study found that the pressure sensitivi...
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Article
Special Issue for Asian Congress on Gas Turbines 2020 (ACGT2020)
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Article
Open AccessRadioactivity control strategy for the JUNO detector
JUNO is a massive liquid scintillator detector with a primary scientific goal of determining the neutrino mass ordering by studying the oscillated anti-neutrino flux coming from two nuclear power plants at 53 ...
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Article
Open AccessThe design and sensitivity of JUNO’s scintillator radiopurity pre-detector OSIRIS
The OSIRIS detector is a subsystem of the liquid scintillator filling chain of the JUNO reactor neutrino experiment. Its purpose is to validate the radiopurity of the scintillator to assure that all components...
