Publications (35)
Nonadiabatic Geometric Quantum Computation Using A Single-loop Scenario
Xin-Ding Zhang, Shi-Liang Zhu, L. Hu +1
A single-loop scenario is proposed to realize nonadiabatic geometric quantum computation. Conventionally, a so-called multi-loop approach is used to remove the dynamical phase accu…
Magnetar emergence in a peculiar gamma-ray burst from a compact star merger
H. Sun, C. -W. Wang, J. Yang +42
The central engine that powers gamma-ray bursts (GRBs), the most powerful explosions in the universe, is still not identified. Besides hyper-accreting black holes, rapidly spinning…
Performance of two Askaryan Radio Array stations and first results in the search for ultra-high energy neutrinos
ARA Collaboration, P. Allison, R. Bard +64
Ultra-high energy neutrinos are interesting messenger particles since, if detected, they can transmit exclusive information about ultra-high energy processes in the Universe. These…
Spin-orbit coupling enhanced superconductivity in Bi-rich compounds ABi (A=Sr and Ba)
D. F. Shao, X. Luo, W. J. Lu +5
Recently, Bi-based compounds have attracted attentions because of the strong spin-orbit coupling (SOC). In this work, we figured out the role of SOC in ABi (A=Sr and Ba) by t…
Characterization of a peculiar Einstein Probe transient EP240408a: an exotic gamma-ray burst or an abnormal jetted tidal disruption event?
B. O'Connor, D. Pasham, I. Andreoni +30
We present the results of our multi-wavelength (X-ray to radio) follow-up campaign of the Einstein Probe transient EP240408a. The initial 10 s trigger displayed bright soft X-ray (…
Quantum-enhanced radiometry via approximate quantum error correction
W. Wang, Z. -J. Chen, X. Liu +10
By exploiting the exotic quantum states of a probe, it is possible to realize efficient sensors that are attractive for practical metrology applications and fundamental studies. Si…
Error-transparent operations on a logical qubit protected by quantum error correction
Y. Ma, Y. Xu, X. Mu +8
Universal quantum computation is striking for its unprecedented capability in processing information, but its scalability is challenging in practice because of the inevitable envir…
PROSPECT - A Precision Reactor Oscillation and Spectrum Experiment at Short Baselines
J. Ashenfelter, A. B. Balantekin, H. R. Band +63
Current models of antineutrino production in nuclear reactors predict detection rates and spectra at odds with the existing body of direct reactor antineutrino measurements. High-r…
Constraints on the Diffuse Flux of Ultra-High Energy Neutrinos from Four Years of Askaryan Radio Array Data in Two Stations
ARA Collaboration, P. Allison, S. Archambault +71
The Askaryan Radio Array (ARA) is an ultra-high energy (UHE, eV) neutrino detector designed to observe neutrinos by searching for the radio waves emitted by the relativi…
Design and Performance of an Interferometric Trigger Array for Radio Detection of High-Energy Neutrinos
P. Allison, S. Archambault, R. Bard +69
Ultra-high energy neutrinos are detectable through impulsive radio signals generated through interactions in dense media, such as ice. Subsurface in-ice radio arrays are a promisin…
Neighborhood-Adaptive Generalized Linear Graph Embedding with Latent Pattern Mining
S. Peng, L. Hu, W. Zhang +2
Graph embedding has been widely applied in areas such as network analysis, social network mining, recommendation systems, and bioinformatics. However, current graph construction me…
Compressive performance and crack propagation in Al alloy/Ti2AlC composites
D. A. H. Hanaor, L. Hu, W. H. Kan +4
Composite materials comprising a porous Ti2AlC matrix and Al 6061 alloy were fabricated by a current-activated pressure assisted melt infiltration process. Coarse, medium and fine…
Triboelectric Backgrounds to radio-based UHE Neutrino Exeperiments
J. A. Aguilar, A. Anker, P. Allison +114
The proposed IceCube-Gen2 (ICG2) seeks to instrument ~500 sq. km of Antarctic ice near the geographic South Pole with radio antennas, in order to observe the highest energy (E>1 Ee…
The GRAAL high resolution BGO calorimeter and its energy calibration and monitoring system
F. Ghio, B. Girolami, M. Capogni +13
We describe the electromagnetic calorimeter built for the GRAAL apparatus at the ESRF. Its monitoring system is presented in detail. Results from tests and the performance obtained…
Witnessing quantum resource conversion within deterministic quantum computation using one pure superconducting qubit
W. Wang, J. Han, B. Yadin +9
Deterministic quantum computation with one qubit (DQC1) is iconic in highlighting that exponential quantum speedup may be achieved with negligible entanglement. Its discovery catal…
Sensitive spin detection using an on-chip SQUID-waveguide resonator
G. Yue, L. Chen, J. Barreda +7
Precise detection of spin resonance is of paramount importance to achieve coherent spin control in quantum computing. We present a novel setup for spin resonance measurements, whic…
Superconductivity in CaSn3 single crystal with a AuCu3-type structure
X. Luo, D. F. Shao, Q. L. Pei +7
We report the superconductivity of the CaSn3 single crystal with a AuCu3-type structure, namely cubic space group Pm3m. The superconducting transition temperature TC=4.2 K is deter…
Limits on the Ejecta Mass During the Search for Kilonovae Associated with Neutron Star-Black Hole Mergers: A case study of S230518h, GW230529, S230627c and the Low-Significance Candidate S240422ed
M. Pillas, S. Antier, K. Ackley +78
Neutron star-black hole (NSBH) mergers, detectable via their gravitational-wave (GW) emission, are expected to produce kilonovae (KNe). Four NSBH candidates have been identified an…
Distributed data processing and analysis environment for neutron scattering experiments at CSNS
H. L. Tian, J. R. Zhang, L. L. Yan +7
China Spallation Neutron Source (CSNS) is the first high-performance pulsed neutron source in China, which will meet the increasing fundamental research and technique applications…
High-field NMR study of the spin correlations in the spin-cluster mineral NaCuO(SO)
Long Ma, J. X. Li, L. S. Ling +6
We report NMR study on the spin correlations in the spin-cluster based mineral NaCuO(SO) with magnetic fields ranged from 1 T to 33 T. The long-range magnetic order…
Observation of Reconstructable Radio Emission Coincident with an X-Class Solar Flare in the Askaryan Radio Array Prototype Station
P. Allison, S. Archambault, J. Auffenberg +74
The Askaryan Radio Array (ARA) reports an observation of radio emission coincident with the "Valentine's Day" solar flare on Feb. 15, 2011 in the prototype "Testbed" st…
A sudden dramatic change and recovery of magneto-environment of a repeating fast radio burst
Y. Li, S. B. Zhang, Y. P. Yang +35
Fast radio bursts (FRBs) are millisecond-duration radio bursts with unidentified extra-galactic origin. Some FRBs exhibit mild magneto-ionic environmental variations, possibly attr…
Long-baseline horizontal radio-frequency transmission through polar ice
P. Allison, S. Archambault, J. J. Beatty +63
We report on analysis of englacial radio-frequency (RF) pulser data received over horizontal baselines of 1--5 km, based on broadcasts from two sets of transmitters deployed to dep…
Recent Results from The Askaryan Radio Array
ARA Collaboration, P. Allison, S. Archambault +61
The Askaryan Radio Array (ARA) is an ultra-high energy (UHE) neutrino telescope at the South Pole consisting of an array of radio antennas aimed at detecting the Askaryan radiation…
Heisenberg limited single-mode quantum metrology
W. Wang, Y. Wu, Y. Ma +11
Two-mode interferometers, such as Michelson interferometer based on two spatial optical modes, lay the foundations for quantum metrology. Instead of exploring quantum entanglement…
A low-threshold ultrahigh-energy neutrino search with the Askaryan Radio Array
P. Allison, S. Archambault, J. J. Beatty +77
In the pursuit of the measurement of the still-elusive ultrahigh-energy (UHE) neutrino flux at energies of order EeV, detectors using the in-ice Askaryan radio technique have incre…
Single-loop realization of arbitrary non-adiabatic holonomic single-qubit quantum gates in a superconducting circuit
Y. Xu, W. Cai, Y. Ma +8
Geometric phases are noise-resilient, and thus provide a robust way towards high fidelity quantum manipulation. Here we experimentally demonstrate arbitrary non-adiabatic holonomic…
Anomalous Hall effect in two-dimensional non-collinear antiferromagnetic semiconductor Cr0.68Se
J. Yan, X. Luo, F. C. Chen +8
Cr0.68Se single crystals with two-dimensional (2D) character have been grown, and the detailed magnetization M(T), electrical transport properties (including longitudinal resistivi…
The Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package
The Astropy Collaboration, A. M. Price-Whelan, B. M. SipÅcz +134
The Astropy project supports and fosters the development of open-source and openly-developed Python packages that provide commonly-needed functionality to the astronomical communit…
Converting quasiclassical states into arbitrary Fock state superpositions in a superconducting cavity
W. Wang, L. Hu, Y. Xu +7
We propose and experimentally demonstrate a new method to generate arbitrary Fock-state superpositions in a superconducting quantum circuit, where a qubit is dispersively coupled t…
Spin dynamics, electronic and thermal transport properties of two-dimensional CrPS4 single crystal
Q. L. Pei, X. Luo, G. T. Lin +8
2-Dimensional (2D) CrPS4 single crystals have been grown by the chemical vapor transport method. The crystallographic, magnetic, electronic and thermal transport properties of the…
Measurement of the real dielectric permittivity epsilon_r of glacial ice
P. Allison, S. Archambault, J. Auffenberg +66
Using data collected by the Askaryan Radio Array (ARA) experiment at the South Pole, we have used long-baseline propagation of radio-frequency signals to extract information on the…
Extraction of crystal-field parameters for lanthanide ions from quantum-chemical calculations
L. Hu, M. F. Reid, C. K. Duan +2
A simple method for constructing effective Hamiltonians for the 4fN and 4fN-15d energy levels of lanthanide ions in crystals from quantum-chemical calculations is presented. The me…
Follow up of GW170817 and its electromagnetic counterpart by Australian-led observing programs
I. Andreoni, K. Ackley, J. Cooke +122
The discovery of the first electromagnetic counterpart to a gravitational wave signal has generated follow-up observations by over 50 facilities world-wide, ushering in the new era…
Novel magnetic field tuning of quantum spin excitations in a weakly coupled 1/2 Heisenberg spin chain as seen from NMR
Long Ma, Z. Wang, L. Hu +3
We report our NMR study of the spin excitations in the quasi-one dimensional (1D) quantum magnet CHNHCu(HCOO) lying in the 1D-3D dimensional crossover regime wi…