Publications (24)
shell closure below calcium: Low-lying structure of Ar
M. L. Cortés, W. Rodriguez, P. Doornenbal +78
Low-lying excited states in the isotope Ar were investigated by in-beam -ray spectroscopy following proton- and neutron-knockout, multi-nucleon removal, and proto…
Beating dark-dark solitons in Bose-Einstein condensates
D. Yan, J. J. Chang, C. Hamner +6
Motivated by recent experimental results, we study beating dark-dark solitons as a prototypical coherent structure that emerges in two-component Bose-Einstein condensates. We showc…
New measurement of the excited states in B via the elastic resonance scattering of Be + p
Y. D. Liu, H. W. Wang, Y. G. Ma +21
The elastic resonance scattering protons decayed from B to the ground state of Be were measured using the thick-target technique in inverse kinematics at the Heavy Io…
Development of Transition-Edge Sensor X-ray Microcalorimeter Linear Array for Compton Scattering and Energy Dispersive Diffraction Imaging
U. Patel, R. Divan, L. Gades +4
We present a strip transition-edge sensor microcalorimeter linear array detector developed for energy dispersive X-ray diffraction imaging and Compton scattering applications. The…
Spectroscopy of deeply bound orbitals in neutron-rich Ca isotopes
P. J. Li, J. Lee, P. Doornenbal +85
The calcium isotopes are an ideal system to investigate the evolution of shell structure and magic numbers. Although the properties of surface nucleons in calcium have been well st…
Investigation of the ground-state spin inversion in the neutron-rich 47,49Cl isotopes
B. D. Linh, A. Corsi, A. Gillibert +83
A first gamma-ray study of 47,49Cl spectroscopy was performed at the Radioactive Isotope Beam Factory with 50Ar projectiles at 217 MeV/nucleon, impinging on the liquid hydrogen tar…
H and He I absorption in HAT-P-32 b observed with CARMENES -- Detection of Roche lobe overflow and mass loss
S. Czesla, M. Lampón, J. Sanz-Forcada +22
We analyze two high-resolution spectral transit time series of the hot Jupiter HAT-P-32 b obtained with the CARMENES spectrograph. Our new XMM-Newton X-ray observations of the syst…
Engineering the non-Hermitian Su-Schrieffer-Heeger model with skin effects in Rydberg atom arrays
J. N. Bai, F. Yang, D. Yan +2
We propose and systematically analyze a practical scheme for implementing a one-dimensional non-Hermitian (NH) Su-Schrieffer-Heeger model using individually addressable Rydberg ato…
A First Glimpse at the Shell Structure beyond Ca: Spectroscopy of K, Ca, and Ca
T. Koiwai, K. Wimmer, P. Doornenbal +80
States in the and 37 isotopes Ca have been populated by direct proton-induced nucleon removal reactions from Sc and Ca beams at the RIBF. In addit…
A Configurable Ultra-Low Noise Current Source for Transition-Edge Sensor Characterization
N. Li, G. Liao, D. Yan +11
Transition-edge sensors (TESs) are sensitive devices for detecting photons from millimeter radiation to gamma rays. Their photon counting efficiency and collecting area benefit fro…
Dark-bright Solitons and their Lattices in Atomic Bose-Einstein Condensates
D. Yan, F. Tsitoura, P. G. Kevrekidis +1
In the present contribution, we explore a host of different stationary states, namely dark-bright solitons and their lattices, that arise in the context of multi-component atomic B…
Spectroscopy of K
M. Enciu, A. Obertelli, P. Doornenbal +78
The first spectroscopy of K was investigated via in-beam -ray spectroscopy at the RIKEN Radioactive Isotope Beam Factory after one-proton and one-neutron knockout from $…
A Study of the Numerical Stability of an ImEx Scheme with Application to the Poisson-Nernst-Planck Equations
M. C. Pugh, D. Yan, F. P. Dawson
The Poisson-Nernst-Planck equations with generalized Frumkin-Butler-Volmer boundary conditions (PNP-FBV) describe ion transport with Faradaic reactions and have applications in a w…
Multiple dark-bright solitons in atomic Bose-Einstein condensates
D. Yan, J. J. Chang, C. Hamner +6
We present experimental results and a systematic theoretical analysis of dark-br ight soliton interactions and multiple-dark-bright soliton complexes in atomic t wo-component Bose-…
Exploring Vortex Dynamics in the Presence of Dissipation: Analytical and Numerical Results
D. Yan, R. Carretero-González, D. J. Frantzeskakis +3
In this paper, we systematically examine the stability and dynamics of vortices under the effect of a phenomenological dissipation used as a simplified model for the inclusion of t…
Shell evolution of isotones towards Ca: First spectroscopy of Ti
M. L. Cortés, W. Rodriguez, P. Doornenbal +81
Excited states in the isotone Ti were populated via the VTi reaction at 200~MeV/u at the Radioactive Isotope Beam Factory and studied usin…
Level Structures of Ca Cast Doubt on a doubly magic Ca
S. Chen, F. Browne, P. Doornenbal +80
Gamma decays were observed in Ca and Ca following quasi-free one-proton knockout reactions from Sc beams at MeV/nucleon. For Ca, a …
Design and construction of a multi-layer CsI(Tl) telescope for high-energy reaction studies
D. Yan, Z. Y. Sun, K. Yue +10
A prototype of a new CsI(Tl) telescope, which will be used in the reaction studies of light isotopes with energy of several hundred AMeV, has been constructed and tested at the Ins…
Matter-wave solitons in the counterflow of two immiscible superfluids
F. Tsitoura, V. Achilleos, B. A. Malomed +3
We study formation of solitons induced by counterflows of immiscible superfluids. Our setting is based on a quasi-one-dimensional binary Bose-Einstein condensate (BEC), composed of…
How Robust is the N = 34 Subshell Closure? First Spectroscopy of Ar
H. N. Liu, A. Obertelli, P. Doornenbal +77
The first -ray spectroscopy of Ar, with the neutron number N = 34, was measured using the K(p,2p) one-proton removal reaction at 210 MeV/u at the RIBF facil…
Dark-bright solitons in Bose-Einstein condensates at finite temperatures
V. Achilleos, D. Yan, P. G. Kevrekidis +1
We study the dynamics of dark-bright solitons in binary mixtures of Bose gases at finite temperature using a system of two coupled dissipative Gross-Pitaevskii equations. We develo…
Going beyond the double well: complex mode dynamics of effective coupled oscillators in infinite dimensional systems
T. J. Alexander, D. Yan, P. G. Kevrekidis
In this work we explore how nonlinear modes described by a dispersive wave equation (in our example, the nonlinear Schrodinger equation) and localized in a few wells of a periodic…
Lithography-free Fabrication of High Quality Substrate-supported and Freestanding Graphene devices
W. Bao, G. Liu, Z. Zhao +5
We present a lithography-free technique for fabrication of clean, high quality graphene devices. This technique is based on evaporation through hard Si shadow masks, and eliminates…
Flicker Noise in Bilayer Graphene Transistors
Q. Shao, G. Liu, D. Teweldebrhan +4
We present the results of the experimental investigation of the low - frequency noise in bilayer graphene transistors. The back - gated devices were fabricated using the electron b…