Publications (33)
Design of new helium vessel and tuner for CEPC 650 MHz 2 cell cavity
Z. H. Mi, Z. Q. Li, P. Sha +8
CEPC will use 650 MHz cavities for the collider. Each collider cryomodule contains six 650 MHz 2-cell cavities, which is totally new. Therefore, new helium vessel and tuner are des…
JUNO Conceptual Design Report
T. Adam, F. An, G. An +347
The Jiangmen Underground Neutrino Observatory (JUNO) is proposed to determine the neutrino mass hierarchy using an underground liquid scintillator detector. It is located 53 km awa…
Random Fields from Quenched Disorder in an Archetype for Correlated Electrons: the Parallel Spin Stripe Phase of LaNdSrCuO at the 1/8 Anomaly
Q. Chen, S. H. -Y. Huang, Q. Ma +5
The parallel stripe phase is remarkable both in its own right, and in relation to the other phases it co-exists with. Its inhomogeneous nature makes such states susceptible to rand…
Long-wavelength correlations in ferromagnetic titanate pyrochlores as revealed by small angle neutron scattering
C. R. C. Buhariwalla, Q. Ma, L. Debeer-Schmitt +7
We have carried out small angle neutron scattering measurements on single crystals of two members of the family of cubic rare-earth titanate pyrochlores that display ferromagnetic…
Suppression of Edge Localized Modes in ITER Baseline Scenario in EAST using Edge Localized Magnetic Perturbations
P. Xie, Y. Sun, M. Jia +31
We report the suppression of Type-I Edge Localized Modes (ELMs) in the EAST tokamak under ITER baseline conditions using Resonant Magnetic Perturbations (RMPs), while maint…
Phase change materials for nano-polaritonics: a case study of hBN/VO2 heterostructures
S. Dai, J. Zhang, Q. Ma +11
Polaritonic excitation and control in van der Waals (vdW) materials exhibit superior merits than conventional materials and thus hold new promise for exploring light matter interac…
Configure polaritons in twisted -MoO3
M. Chen, X. Lin, T. Dinh +6
Moire engineering as a configuration method to twist van der Waals materials has delivered a series of advances in electronics, magnetics and optics. Yet these advances stem from p…
Review of the First Charged-Particle Transport Coefficient Comparison Workshop
P. E. Grabowski, S. B. Hansen, M. S. Murillo +42
We present the results of the first Charged-Particle Transport Coefficient Code Comparison Workshop, which was held in Albuquerque, NM October 4-6, 2016. In this first workshop, sc…
Vanishing nematic order beyond the pseudogap phase in overdoped cuprate superconductors
Naman K. Gupta, C. McMahon, R. Sutarto +9
During the last decade, translational and rotational symmetry-breaking phases -- density wave order and electronic nematicity -- have been established as generic and distinct featu…
Graphene on hexagonal boron nitride as a tunable hyperbolic metamaterial
S. Dai, Q. Ma, M. K. Liu +13
Hexagonal boron nitride (h-BN) is a natural hyperbolic material, for which the dielectric constants are the same in the basal plane (epsilon^t = epsilon^x = epsilon^y) but have opp…
Bifurcation diagram and pattern formation in superconducting wires with electric currents
J. rubinstein, P. Sternberg, Q. Ma
We examine the behavior of a one-dimensional superconducting wire exposed to an applied electric current. We use the time-dependent Ginzburg-Landau model to describe the system and…
Novel bipartite entanglement in the quantum dimer magnet YbBeSiO
A. Brassington, Q. Ma, G. Duan +14
The quantum dimer magnet, with antiferromagnetic intradimer and interdimer Heisenberg exchange between spin-1/2 moments, is known to host an up/down - down/up singlet ground state…
Thermodynamic signatures of quantum criticality in cuprates
B. Michon, C. Girod, S. Badoux +14
The three central phenomena of cuprate superconductors are linked by a common doping , where the enigmatic pseudogap phase ends, around which the superconducting phase f…
Influence of Micro-turbulence on Neoclassical Tearing Mode Onset
Tonghui Shi, L. Wei, H. H. Wang +22
Direct evidence of micro-turbulence effect on the onset of neoclassical tearing mode (NTM) is reported for the first time in this letter. A puzzling positive correlation between cr…
Constraints on the state of the IGM at using redshifted 21-cm observations with LOFAR
R. Ghara, S. Zaroubi, B. Ciardi +21
The power spectra of the redshifted 21-cm signal from the Epoch of Reionization (EoR) contain information about the ionization and thermal states of the intergalactic medium (IGM),…
Subdiffractional focusing and guiding of polaritonic rays in a natural hyperbolic material
S. Dai, Q. Ma, T. Andersen +11
Uniaxial materials whose axial and tangential permittivities have opposite signs are referred to as indefinite or hyperbolic media. In such materials light propagation is unusual,…
Energetic electron precipitation driven by electromagnetic ion cyclotron waves from ELFIN's low altitude perspective
V. Angelopoulos, X. -J. Zhang, A. V. Artemyev +83
We review comprehensive observations of electromagnetic ion cyclotron (EMIC) wave-driven energetic electron precipitation using data from the energetic electron detector on the Ele…
Thermopower across the phase diagram of the cuprate LaNdSrCuO : signatures of the pseudogap and charge-density-wave phases
C. Collignon, A. Ataei, A. Gourgout +11
The Seebeck coefficient (thermopower) of the cuprate superconductor LaNdSrCuO was measured across its doping phase diagram (from to $p = 0.…
An Example-Based Approach to Japanese-to-English Translation of Tense, Aspect, and Modality
M. Murata, Q. Ma, K. Uchimoto +1
We have developed a new method for Japanese-to-English translation of tense, aspect, and modality that uses an example-based method. In this method the similarity between input and…
X-ray background and its correlation with the 21 cm signal
Q. Ma, B. Ciardi, M. B. Eide +1
We use high resolution hydrodynamical simulations to study the contribution to the X-ray background from high- energetic sources, such as X-ray binaries, accreting nuclear black…
Hot-carrier photocurrent effects at graphene-metal interfaces
K. J. Tielrooij, M. Massicotte, L. Piatkowski +5
Photoexcitation of graphene leads to an interesting sequence of phenomena, some of which can be exploited in optoelectronic devices based on graphene. In particular, the efficient…
Deeper multi-redshift upper limits on the Epoch of Reionization 21-cm signal power spectrum from LOFAR between z=8.3 and z=10.1
F. G. Mertens, M. Mevius, L. V. E. Koopmans +20
We present new upper limits on the 21-cm signal power spectrum from the Epoch of Reionization (EoR), at redshifts , based on reprocessed obse…
Nonlinear resonant interactions of radiation belt electrons with intense whistler-mode waves
A. V. Artemyev, D. Mourenas, X. -J. Zhang +8
The dynamics of the Earth's outer radiation belt, filled by energetic electron fluxes, is largely controlled by electron resonant interactions with electromagnetic whistler-mode wa…
Constraining the PopIII IMF with high-z GRBs
Q. Ma, U. Maio, B. Ciardi +1
We study the possibility to detect and distinguish signatures of enrichment from PopIII stars in observations of PopII GRBs (GRBIIs) at high redshift by using numerical N-body/hydr…
Electrical Control of Optical Emitter Relaxation Pathways enabled by Graphene
K. J. Tielrooij, L. Orona, A. Ferrier +16
Controlling the energy flow processes and the associated energy relaxation rates of a light emitter is of high fundamental interest, and has many applications in the fields of quan…
Measuring patchy reionisation with kSZ-21 cm correlations
Q. Ma, K. Helgason, E. Komatsu +2
We study cross-correlations of the kinetic Sunyaev-Zel'dovich effect (kSZ) and 21 cm signals during the epoch of reionisation (EoR) to measure the effects of patchy reionisation. S…
Manipulation and steering of hyperbolic surface polaritons in hexagonal boron nitride
S. Dai, M. Tymchenko, Y. Yang +8
Hexagonal boron nitride (hBN) is a natural hyperbolic material that supports both volume-confined hyperbolic polaritons (HPs) and sidewall-confined hyperbolic surface polaritons (H…
Square Kilometre Array Science Data Challenge 3a: foreground removal for an EoR experiment
A. Bonaldi, P. Hartley, R. Braun +179
We present and analyse the results of the Science data challenge 3a (SDC3a, https://sdc3.skao.int/challenges/foregrounds), an EoR foreground-removal community-wide exercise organis…
Force-free current sheets in the Jovian magnetodisk: the key role of electron field-aligned anisotropy
A. V. Artemyev, Q. Ma, R. W. Ebert +2
Current sheets are an essential element of the planetary magnetotails, where strong plasma currents self-consistently support magnetic field gradients. The current sheet configurat…
NMR spin-lattice relaxation reveals ultrafast ion dynamics in the solid electrolyte
S. Lunghammer, D. Prutsch, S. Breuer +5
The realization of green and economically friendly energy storage systems needs materials with outstanding properties. Future batteries based on Na as an abundant element take adva…
PopIII signatures in the spectra of PopII/I GRBs
Q. Ma, U. Maio, B. Ciardi +1
We investigate signatures of population III (PopIII) stars in the metal-enriched environment of GRBs originating from population II-I (PopII/I) stars by using abundance ratios deri…
Metal enrichment signatures of the first stars on high-z DLAs
Q. Ma, U. Maio, B. Ciardi +1
We use numerical N-body hydrodynamical simulations with varying PopIII stellar models to investigate the possibility of detecting first star signatures with observations of high-re…
Extension of ELM suppression window using n=4 RMPs in EAST
P. Xie, Y. Sun, Q. Ma +17
The q95 window for Type-I Edge Localized Modes (ELMs) suppression using n=4 even parity Resonant Magnetic Perturbations (RMPs) has been significantly expanded to a range from 3.9 t…