Publications (28)
Measurement of the cosmic p+He energy spectrum from 50 GeV to 0.5 PeV with the DAMPE space mission
DAMPE Collaboration, F. Alemanno, C. Altomare +152
Recent observations of the light component of the cosmic-ray spectrum have revealed unexpected features that motivate further and more precise measurements up to the highest energi…
Search for Light-Mass Fractionally Charged Particles in Space with DAMPE Experiment
F. Alemanno, Q. An, P. Azzarello +144
Free Fractionally Charged Particles (FCPs) are predicted by some theories beyond or extended to the standard model. FCPs have been widely searched for by underground and space-base…
Measurement of separate electron and positron spectra from 10 GeV to 20GeV with the geomagnetic field on DAMPE
DAMPE Collaboration, F. Alemanno, Q. An +148
The cosmic-ray (CR) electrons and positrons in space are of great significance for studying the origin and propagation of cosmic-rays. The satellite-borne experiment DArk Matter Pa…
Observations of the Fermi bubbles and the Galactic center excess with the DArk Matter Particle Explorer
F. Alemanno, Q. An, P. Azzarello +145
The DArk Matter Particle Explorer (DAMPE) is a space-borne high-energy particle detector that surveys the -ray sky above with a peak acceptance of $\sim 0.2~\rm…
Mode-Dependent Scaling of Nonlinearity and Linear Dynamic Range in a NEMS Resonator
M. Ma, N. Welles, O. Svitelskiy +5
Even a relatively weak drive force is enough to push a typical nanomechanical resonator into the nonlinear regime. Consequently, nonlinearities are widespread in nanomechanics and…
Elementary excitations of magnetically ordered systems with orbital degeneracy
A. Joshi, M. Ma, F. Mila +2
The Holstein-Primakoff transformation is generalized to develop a quantum flavor wave theory for spin systems with orbital degeneracy. Elementary excitations consist of spin, orbit…
On the Minimum Differential Feedback for Time-Correlated MIMO Rayleigh Block-Fading Channels
L. Zhang, Lingyang Song, M. Ma +1
In this paper, we consider a general multiple input multiple output (MIMO) system with channel state information (CSI) feedback over time-correlated Rayleigh block-fading channels.…
Singular magnetic anisotropy in the nematic phase of FeSe
R. Zhou, D. D. Scherer, H. Mayaffre +5
FeSe is arguably the simplest, yet the most enigmatic, iron-based superconductor. Its nematic but non-magnetic ground state is unprecedented in this class of materials and stands o…
Orbitally Degenerate Spin-1 Model for Insulating V2O3
F. Mila, R. Shiina, F. -C. Zhang +4
Motivated by recent neutron, X-ray absorption and resonant scattering experiments, we revisit the electronic structure of V2O3. We propose a model in which S=1 V3+ ions are coupled…
Observation of a spectral hardening in cosmic ray boron spectrum with the DAMPE space mission
DAMPE Collaboration, F. Alemanno, C. Altomare +143
Secondary cosmic ray fluxes are important probes of the propagation and interaction of high-energy particles in the Galaxy. Recent measurements of primary and secondary cosmic ray…
Measurement of the cosmic ray nickel energy spectrum from 10 GeV/n to 2 TeV/n with the DAMPE
F. Alemanno, Q. An, P. Azzarello +144
Nickel, one of the most tightly bound nuclei alongside iron, is the most abundant heavy element beyond iron in cosmic rays. With DAMPE's excellent charge resolution and broad energ…
Dynamics of NEMS Resonators across Dissipation Limits
C. Ti, J. G. McDaniel, A. Liem +9
The oscillatory dynamics of nanoelectromechanical systems (NEMS) is at the heart of many emerging applications in nanotechnology. For common NEMS, such as beams and strings, the os…
Direct detection of a break in the teraelectronvolt cosmic-ray spectrum of electrons and positrons
G. Ambrosi, Q. An, R. Asfandiyarov +155
High energy cosmic ray electrons plus positrons (CREs), which lose energy quickly during their propagation, provide an ideal probe of Galactic high-energy processes and may enable…
Emergent superconductivity at 16.3 K in an altermagnetic candidate NaVSeO with broken inversion symmetry
Y. Sun, Z. Yin, T. Zhang +14
Altermagnets (AMs), characterized by zero net magnetization and momentum-dependent spin splitting, are anticipated to hold significant potential for generating multiple exotic and…
Measurement of the cosmic ray helium energy spectrum from 70 GeV to 80 TeV with the DAMPE space mission
F. Alemanno, Q. An, P. Azzarello +142
The measurement of the energy spectrum of cosmic ray helium nuclei from 70 GeV to 80 TeV using 4.5 years of data recorded by the DArk Matter Particle Explorer (DAMPE) is reported i…
A Gaussian Theory of Superfluid--Bose-Glass Phase Transition
P Nisamaneephong, L. Zhang, M. Ma
We show that gaussian quantum fluctuations, even if infinitesimal, are sufficient to destroy the superfluidity of a disordered boson system in 1D and 2D. The critical disorder is t…
Theoretical modeling of the dynamic range of an elastic nanobeam under tension with a geometric nonlinearity
N. W. Welles, M. Ma, K. L. Ekinci +1
A theoretical description of the weakly nonlinear and mode-dependent dynamics of a nanoscale beam that is under intrinsic tension is developed. A full analysis of the dynamic range…
Search for relativistic fractionally charged particles in space
DAMPE Collaboration, F. Alemanno, C. Altomare +148
More than a century after the performance of the oil drop experiment, the possible existence of fractionally charged particles FCP still remains unsettled. The search for FCPs is c…
Hadronic cross section measurements with the DAMPE space mission using 20GeV-10TeV cosmic-ray protons and He
F. Alemanno, Q. An, P. Azzarello +148
Precise direct cosmic-ray (CR) measurements provide an important probe to study the energetic particle sources in our Galaxy, and the interstellar environment through which these p…
RAGAR, Your Falsehood Radar: RAG-Augmented Reasoning for Political Fact-Checking using Multimodal Large Language Models
M. Abdul Khaliq, P. Chang, M. Ma +2
The escalating challenge of misinformation, particularly in political discourse, requires advanced fact-checking solutions; this is even clearer in the more complex scenario of mul…
The Discovery of Nulling and Mode Switching Pulsars with CHIME/Pulsar
C. Ng, B. Wu, M. Ma +18
The Pulsar backend of the Canadian Hydrogen Intensity Mapping Experiment (CHIME) has monitored hundreds of known pulsars in the northern sky since Fall 2018, providing a rich data…
The on-orbit calibration of DArk Matter Particle Explorer
G. Ambrosi, Q. An, R. Asfandiyarov +155
The DArk Matter Particle Explorer (DAMPE), a satellite-based cosmic ray and gamma-ray detector, was launched on December 17, 2015, and began its on-orbit operation on December 24,…
Venus Express radio occultation observed by PRIDE
T. M. Bocanegra-Bahamon, G. Molera Calves, L. I. Gurvits +18
Context. Radio occultation is a technique used to study planetary atmospheres by means of the refraction and absorption of a spacecraft carrier signal through the atmosphere of the…
Investigation of hadronic cross sections of cosmic ray carbon and oxygen on BGO from 200 GeV to 10 TeV energy at the DAMPE experiment
F. Alemanno, Q. An, P. Azzarello +143
The Dark Matter Particle Explorer (DAMPE) has made significant progress in measuring the fluxes of cosmic rays. These new measurements are pivotal in advancing our understanding of…
Measurement of the cosmic-ray proton spectrum from 40 GeV to 100 TeV with the DAMPE satellite
Q. An, R. Asfandiyarov, P. Azzarello +151
The precise measurement of the spectrum of protons, the most abundant component of the cosmic radiation, is necessary to understand the source and acceleration of cosmic rays in th…
The DArk Matter Particle Explorer mission
J. Chang, G. Ambrosi, Q. An +160
The DArk Matter Particle Explorer (DAMPE), one of the four scientific space science missions within the framework of the Strategic Pioneer Program on Space Science of the Chinese A…
Diverse properties of electron Forbush decreases revealed by the Dark Matter Particle Explorer
F. Alemanno, Q. An, P. Azzarello +147
The Forbush decrease (FD) of cosmic rays is an important probe of the interplanetary environment disturbed by solar activities. In this work, we study the properties of 8 FDs elect…
A monitoring campaign (2013-2020) of ESA's Mars Express to study interplanetary plasma scintillation
P. Kummamuru, G. Molera Calvés, G. Cimò +19
The radio signal transmitted by the Mars Express (MEX) spacecraft was observed regularly between the years 2013-2020 at X-band (8.42 GHz) using the European Very Long Baseline Inte…