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  • Open Access English
    Authors: 
    Raghunathan, S.; Patil, S.; Baxter, E.; Benson, B. A.; Bleem, L. E.; Crawford, T. M.; Holder, G. P.; McClintock, T.; Reichardt, C. L.; Varga, T. N.; +120 more
    Countries: United Kingdom, United States
    Project: NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | COSMICDAWN (306478), EC | COGS (240672), NSF | Collaborative Research: E... (1835865), ARC | Discovery Projects - Gran... (DP150103208), NSF | Cosmological Research wit... (1248097), NSF | Exploring the Time-Varyin... (1716965), NSF | Physics Frontier Center a... (1125897)

    We report the first detection of gravitational lensing due to galaxy clusters using only the polarization of the cosmic microwave background (CMB). The lensing signal is obtained using a new estimator that extracts the lensing dipole signature from stacked images formed...

  • Open Access
    Authors: 
    Haoyu Qi; Daniel J. Brod; Nicolás Quesada; Raúl García-Patrón;
    Publisher: American Physical Society (APS)

    As a promising candidate for exhibiting quantum computational supremacy, Gaussian Boson Sampling (GBS) is designed to exploit the ease of experimental preparation of Gaussian states. However, sufficiently large and inevitable experimental noise might render GBS classica...

  • Publication . Preprint . Article . 2019
    Open Access English
    Authors: 
    Chen, Yue-Yue; He, Pei-Lun; Shaisultanov, Rashid; Hatsagortsyan, Karen Z.; Keitel, Christoph H.;
    Publisher: Unpublished

    The generation of ultrarelativistic polarized positrons during the interaction of an ultrarelativistic electron beam with a counterpropagating two-color petawatt laser pulse is investigated theoretically. Our Monte Carlo simulation, based on a semiclassical model, incor...

  • Open Access
    Authors: 
    Kinoshita, Yuto; Kida, Noriaki; Magasaki, Yusuke; Morimoto, Takeshi; Terashige, Tsubasa; Miyamoto, Tatsuya; Okamoto, Hiroshi;
    Publisher: American Physical Society (APS)

    Terahertz lights are usually generated through the optical rectification process within a femtosecond laser pulse in non-centrosymmetric materials. Here, we report a new generation mechanism of terahertz lights based upon a photoinduced phase transition (PIPT), in which...

  • Publication . Article . 2019
    Open Access
    Authors: 
    Sumihama, M.; Adachi, I.; Ahn, J. K.; Aihara, H.; Al Said, S.; Asner, D. M.; Atmacan, H.; Aushev, T.; Ayad, R.; Babu, V.; +176 more
    Publisher: (:unav)
    Project: ARC | Discovery Projects - Gran... (DP150103061), ARC | ARC Future Fellowships - ... (FT130100303), ARC | Discovery Projects - Gran... (DP180102629), ARC | Discovery Projects - Gran... (DP170102204), ARC | Discovery Projects - Gran... (DP170102389)

    We report the first observation of the doubly-strange baryon $\Xi(1620)^0$ in its decay to $\Xi^-\pi^+$ via $\Xi_c^+ \rightarrow \Xi^- \pi^+ \pi^+$ decays based on a $980\,{\rm fb}^{-1}$ data sample collected with the Belle detector at the KEKB asymmetric-energy $e^+ e^...

  • Open Access
    Authors: 
    J. Insler; H. Muramatsu; C. S. Park; L. J. Pearson; E. H. Thorndike; S. Ricciardi; C. Thomas; Marina Artuso; S. Blusk; R. Mountain; +65 more
    Publisher: American Physical Society (APS)

    The first measurements of the coherence factor R_{K_S^0K\pi} and the average strong--phase difference \delta^{K_S^0K\pi} in D^0 \to K_S^0 K^\mp\pi^\pm decays are reported. These parameters can be used to improve the determination of the unitary triangle angle \gamma\ in...

  • Publication . Article . Preprint . 2020
    Open Access English
    Authors: 
    Tommaso Nesti; Fiona Sloothaak; Bert Zwart;
    Country: Netherlands
    Project: UKRI | Isaac Newton Institute fo... (EP/R014604/1), NWO | Networks (2300181603), NWO | Rare Events: Asymptotics,... (2300187827)

    We model power grids as graphs with heavy-tailed sinks, which represent demand from cities, and study cascading failures on such graphs. Our analysis links the scale-free nature of blackout sizes to the scale-free nature of city sizes, contrasting previous studies sugge...

  • Open Access
    Authors: 
    Jong Hyuk Yoon;
    Publisher: EDP Sciences

    I apply the Hamiltonian reduction procedure to 4-dimensional spacetimes without isometries and find privileged spacetime coordinates in which the physical Hamiltonian is expressed in terms of the conformal two metric and its conjugate momentum. Physical time is the area...

  • Open Access English
    Authors: 
    Zhenxiang Jiang; Huan N. Do; Jongeun Choi; Whal Lee; Seungik Baek;
    Publisher: Frontiers Media S.A.

    An abdominal aortic aneurysm (AAA) is a gradual enlargement of the aorta that can cause a life-threatening event when a rupture occurs. Aneurysmal geometry has been proved to be a critical factor in determining when to surgically treat AAAs, but, it is challenging to pr...

  • Closed Access
    Authors: 
    Pierre Pugnat; K. Juge; B. Mallery; F. Molinie; Hubert Neyrial; Mickael Pelloux; Charles Peroni; Rolf Pfister; Luc Ronayette; Hans J. Schneider-Muntau; +9 more
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    The Grenoble Hybrid magnet is a modular platform applying resistive and superconducting technologies to deliver various continuous high magnetic field and flux configurations. They range from 43 T in 34 mm diameter with 24 MW down to 9 T in 800 mm with the superconducti...

  • Publication . Article . Preprint . 2020
    Open Access
    Authors: 
    Yaroslav V. Kartashov; Vladimir V. Konotop;
    Publisher: American Physical Society (APS)
    Project: FCT | UIDB/00618/2020 (UIDB/00618/2020)

    We reveal the universal effect of gauge fields on the existence, evolution, and stability of solitons in the spinor multidimensional nonlinear Schr\"{o}dinger equation. Focusing on the two-dimensional case, we show that when gauge field can be split in a pure gauge and ...

  • Closed Access
    Authors: 
    Lev N. Shchur; Liliia Ziganurova;
    Publisher: Pleiades Publishing Ltd

    The method of parallel discrete event simulation (PDES) is one of promising methods for effective use of supercomputer systems. In this paper, the results of the analysis of synchronization models for processor elements are presented when calculations are performed by t...

  • Publication . Article . Preprint . Other literature type . 2020
    Open Access English
    Authors: 
    Sharir, Or; Levine, Yoav; Wies, Noam; Carleo, Giuseppe; Shashua, Amnon;
    Country: Switzerland

    Artificial neural networks were recently shown to be an efficient representation of highly entangled many-body quantum states. In practical applications, neural-network states inherit numerical schemes used in variational Monte Carlo method, most notably the use of Mark...

  • Open Access English
    Authors: 
    Robert Bollig; William DeRocco; Peter W. Graham; Hans-Thomas Janka;
    Project: EC | COCO2CASA (341157), NSF | Research in Particle Theo... (1720397)

    The high temperature and electron degeneracy attained during a supernova allow for the formation of a large muon abundance within the core of the resulting proto-neutron star. If new pseudoscalar degrees of freedom have large couplings to the muon, they can be produced ...

  • Open Access
    Authors: 
    Lan, Jiangshan; Mondal, Chandan; Jia, Shaoyang; Zhao, Xingbo; Vary, James P.; BLFQ Collaboration;
    Publisher: American Physical Society (APS)

    We obtain the pion and the kaon parton distribution functions from the eigenstates of a light front effective Hamiltonian in the constituent quark-antiquark representation suitable for low-momentum scale applications. By taking these scales as the only free parameters, ...

  • Open Access English
    Authors: 
    Sakstein, Jeremy; Trodden, Mark;

    The Hubble tension can be significantly eased if there is an early component of dark energy that becomes active around the time of matter-radiation equality. Early dark energy models suffer from a coincidence problem -- the physics of matter-radiation equality and early...

  • Open Access English
    Authors: 
    Marjan Maček; Philipp T. Dumitrescu; Corentin Bertrand; Bill Triggs; Olivier Parcollet; Xavier Waintal;
    Publisher: HAL CCSD
    Country: France
    Project: EC | UltraFastNano (862683)

    High order perturbation theory has seen an unexpected recent revival for controlled calculations of quantum many-body systems, even at strong coupling. We adapt integration methods using low-discrepancy sequences to this problem. They greatly outperform state-of-the-art...

  • Closed Access
    Authors: 
    Tomita, Masaru; Fukumoto, Yusuke; Ishihara, Atsushi; Suzuki, Kenji; Akasaka, Tomoyuki; Caron, Herve; Kobayashi, Yusuke; Onji, Taiki;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Aiming to achieve a superconducting feeder cable system applicable to Japan, France, and other countries, we summarize the required specifications created for prototyping of superconducting cables. Superconducting cables manufactured based on the required specifications...

  • Authors: 
    Konstantinos Velonis; Theodoros Simopoulos; George Ph. Alexiou;
    Publisher: IEEE

    This work presents an application for automatically placing sub-modules of an ALU to create a layout design. This process is made as easy to use as possible by utilizing a webpage environment as the user interface. The user is offered a selection of available modules an...

  • Open Access
    Authors: 
    Heinrich Steigerwald; Emilio Tejeda;
    Publisher: American Physical Society (APS)

    Detonation initiation in a reactive medium can be achieved by an externally created shock wave. Supersonic flow onto a gravitating center, known as Bondi-Hoyle-Lyttleton (BHL) accretion, is a natural shock wave creating process, but, to our knowledge, a reactive medium ...

  • Closed Access
    Authors: 
    Han, Seunghak; Lee, Jeyull; Jeon, Haeryong; Kim, Ho Min; Kim, Ji Hyung; Jo, Young-Sik; Kim, Hyung-Wook; Ko, Tae Kuk; Yoon, Yong Soo;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    High-temperature superconducting (HTS) flux pumps are used to charge HTS coils at cryogenic temperatures without thermal and mechanical contact with the power supply at room temperature. We found that the larger the alternating magnetic field (AMF) penetrating into the ...

  • Open Access English
    Authors: 
    Romagnani, L.; Robinson, A. P. L.; Clarke, R. J.; Doria, D.; Lancia, L.; Nazarov, W.; Notley, M. M.; Pipahl, A.; Quinn, K.; Ramakrishna, B.; +4 more
    Publisher: HAL CCSD
    Countries: United Kingdom, Australia, France, France

    The propagation of fast electron currents in near solid-density media was investigated via proton probing. Fast currents were generated inside dielectric foams via irradiation with a short ($\ensuremath{\sim}0.6\text{ }\text{ }\mathrm{ps}$) laser pulse focused at relati...

  • Publication . Conference object . 2019
    Authors: 
    Arnab Pattanayak; Ravi Jain; Dipa Ghindani; Goutam Rana; Sandipta Roy; Siddhartha P. Duttagupta; Prasanna S. Gandhi; Venu Gopal Achanta; S. S. Prabhu;
    Publisher: IEEE

    A loop Yagi-Uda array can be used as an efficient, polarization independent and narrowband absorber in the THz regime. The elementary unit of the array consists of three-stacked gold micro-rings, which are separated from each other by thick SU-8 layer. Here, we present ...

  • Closed Access
    Authors: 
    Shahsavani, Soheil Nazar; Pedram, Massoud;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    This article presents a synchronous minimum-skew clock tree synthesis algorithm for single flux quantum circuits considering splitter delays and placement blockages. The proposed methodology improves the state-of-the-art by accounting for splitter delays and creating a ...

  • Publication . Article . 2020
    Open Access
    Authors: 
    Zhang Wen-Jun; Gao Long; Wei Hong; Xu Hong-Xing;
    Publisher: Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences

    The diffraction limit of light greatly limits the development of conventional optical devices, which are difficult to be miniaturized and integrated with high density. Surface plasmons, electromagnetic modes at the metal-dielectric interface, can concentrate light into ...

  • Open Access
    Authors: 
    Jiahui Wang; Jason F. Herrmann; Jeremy D. Witmer; Amir H. Safavi-Naeini; Shanhui Fan;
    Publisher: American Physical Society (APS)

    It has been demonstrated that dynamic refractive index modulation, which breaks time-reversal symmetry, can be used to create on-chip non-reciprocal photonic devices. In order to achieve amplitude non-reciprocity, all such devices moreover require modulations that break...

  • Open Access English
    Authors: 
    Jing Li; Hailong Fu; Zhenxi Yin; Kenji Watanabe; Takashi Taniguchi; Jun Zhu;

    The $\ensuremath{\nu}=0$ quantum Hall state of bilayer graphene is a fertile playground to realize many-body ground states with various broken symmetries. Here we report the experimental observations of a previously unreported metallic phase. The metallic phase resides ...

  • Open Access
    Authors: 
    Mousavi, Tayebeh; Davies, Timothy; Melhem, Ziad; Grovenor, Chris R. M.; Speller, Susannah C.;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)
    Country: United Kingdom

    Bi-2212/Ag superconducting wires are being considered as key conductor candidates for the development of high field magnets (up to 25 T), but it is recognised that a reliable joining process between these wires is a critical challenge for most high-field applications. T...

  • Publication . Article . Preprint . 2018
    Open Access English
    Authors: 
    Hloušek, Josef; Dudka, Michal; Straka, Ivo; Ježek, Miroslav;
    Project: EC | QuantERA (731473)

    We report a measurement workflow free of systematic errors consisting of a reconfigurable photon-number-resolving detector, custom electronic circuitry, and faithful data-processing algorithm. We achieve unprecedentedly accurate measurement of various photon-number dist...

  • Publication . Other literature type . Article . Preprint . 2019
    Open Access English
    Authors: 
    De, Deb Sankar; Krummenacher, Marco; Schaefer, Bastian; Goedecker, Stefan;
    Country: Switzerland

    Finding complex reaction and transformation pathways, involving many intermediate states, is in general not possible on the DFT level with existing simulation methods due to the very large number of required energy and force evaluations. This is due to a large extent to...

  • Open Access English
    Authors: 
    Balint Joo; Joseph Karpie; Kostas Orginos; Anatoly Radyushkin; David G. Richards; Savvas Zafeiropoulos;
    Publisher: HAL CCSD
    Country: France

    We present results for the unpolarized parton distribution function of the nucleon computed in lattice QCD at the physical pion mass. This is the first study of its kind employing the method of Ioffe time pseudo-distributions. Beyond the reconstruction of the Bjorken-$x...

  • Publication . Article . Preprint . 2020
    Open Access English
    Authors: 
    David, Gabor;

    Direct real photons are arguably the most versatile tools to study relativistic heavy ion collisions. They are produced, by various mechanisms, during the entire space-time history of the strongly interacting system. Also, being colorless, most the time they escape with...

  • Closed Access
    Authors: 
    Neufeld, Ofer; Cohen, Oren;
    Publisher: American Physical Society (APS)

    We propose and explore an all-optical technique for ultrafast characterization of electronic ring currents in atoms and molecules, based on high-harmonic generation (HHG). In our approach, a medium is irradiated by an intense reflection-symmetric laser pulse that leads ...

  • Open Access English
    Authors: 
    Tomarken, S. L.; Cao, Y.; Demir, A.; Watanabe, K.; Taniguchi, T.; Jarillo-Herrero, P.; Ashoori, R. C.;
    Project: NSF | Center for Integrated Qua... (1231319), NSF | MIT Materials Research Sc... (0819762), NSF | Tuning the Electronic and... (1809802), NSF | NNIN: National Nanotechno... (0335765)

    We report the first electronic compressibility measurements of magic-angle twisted bilayer graphene. The evolution of the compressibility with carrier density offers insights into the interaction-driven ground state that have not been accessible in prior transport and t...

  • Open Access English
    Authors: 
    Christopher J. Miles; Arthur A. Evans; Michael Shelley; Saverio E. Spagnolie;

    We investigate the dynamics of a dilute suspension of hydrodynamically interacting motile or immotile stress-generating swimmers or particles as they invade a surrounding viscous fluid. Colonies of aligned pusher particles are shown to elongate in the direction of parti...

  • Publication . Article . Preprint . 2019
    Open Access English
    Authors: 
    Alert Zenón, Ricard; Blanch Mercader, Carles; Casademunt i Viader, Jaume;
    Publisher: HAL CCSD
    Countries: Spain, France, Spain

    International audience; During the spreading of epithelial tissues, the advancing tissue front often develops fingerlike protrusions. Their resemblance to traditional viscous fingering patterns in driven fluids suggests that epithelial fingers could arise from an interf...

  • Open Access English
    Authors: 
    Zhang, H.; Lavorel, B.; Billard, F.; Hartmann, J.-M.; Hertz, E.; Faucher, O.; Ma, Junyang; Wu, Jian; Gershnabel, Erez; Prior, Yehiam; +1 more
    Publisher: HAL CCSD
    Country: France
    Project: ANR | EIPHI (ANR-17-EURE-0002)

    We show that recently discovered rotational echoes of molecules provide an efficient tool for studying collisional molecular dynamics in high-pressure gases. Our study demonstrates that rotational echoes enable the observation of extremely fast collisional dissipation, ...

  • Closed Access
    Authors: 
    Viktor Potapov; Sergey Gushanskiy; Maxim Polenov;
    Publisher: Springer International Publishing

    Basic concepts in the field of quantum information such as quantum circuits, logic gates and qubits were identified and analyzed in the present paper. It provides a basis for the development of several concepts (line, node, interaction of qubits and their neighborhood) ...

  • Closed Access
    Authors: 
    Wei Pi; Xiaochuan Shi; Yinshun Wang; Jin Dong; Yingmin Cui;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    In order to extend the basic research on the stability of composite conductors combined with low-temperature superconductors and high-temperature superconductors and to explore its applications, an NbTi/YBCO composite magnet was developed and tested in this paper. A spe...

  • Open Access
    Authors: 
    I. Madesis; A. Laoutaris; Theo J. M. Zouros; E. P. Benis; J. W. Gao; A. Dubois;
    Publisher: American Physical Society (APS)
    Country: France

    We report on ${\mathrm{C}}^{3+}(1s2\ensuremath{\ell}2{\ensuremath{\ell}}^{\ensuremath{'}}\text{ }^{2S+1}\mathrm{L})$-resolved cross sections of electron capture in collisions of swift ${\mathrm{C}}^{4+}(1s2s\text{ }^{3}\mathrm{S})$ ions with helium and hydrogen. The stu...

  • Closed Access
    Authors: 
    Bautista, Zhierwinjay Mezona; Shin, Hyung-Seop;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Delamination frequently occurs as a result of high transverse tensile stresses caused by fabrication and mechanical and thermal cycles during operation. It is generally known that transverse opening and peeling off are the primary delamination failure modes, and delamin...

  • Publication . Article . Preprint . 2019
    Open Access
    Authors: 
    Erchan Yang; Biao Yang; Oubo You; Hsun-Chi Chan; Peng Mao; Qinghua Guo; Shaojie Ma; Lingbo Xia; Dianyuan Fan; Yuanjiang Xiang; +1 more
    Publisher: American Physical Society (APS)
    Project: EC | TOPOLOGICAL (648783), EC | D-SPA (734578)

    In crystals, two bands may cross each other and form degeneracies along a closed loop in the three-dimensional momentum space, which is called nodal line. Nodal line degeneracy can be designed to exhibit various configurations such as nodal rings, chains, links and knot...

  • Closed Access
    Authors: 
    Raissi, Farshid; Khooshemehri, Aylar; Erfanian, Alireza;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Discrete array of small Josephson junctions can exhibit flux-flow behavior, which is drastically different from that of long Josephson junctions. In particular, the flux-flow voltage does not monotonically increase with magnetic field; rather, it decreases after a thres...

  • Closed Access
    Authors: 
    Han Cai; Hao Li; Ethan Y. Cho; Shane A. Cybart;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    We experimentally measured and compared the sheet inductance of YBa $_{2}$ Cu $_{3}$ O $_{7-\delta }$ (YBCO) films with and without superconducting ground planes. Specifically, we fabricated several superconducting quantum interference devices from single and multilayer...

  • Authors: 
    Luo Yunsong; Meng Song; Li Li; Zhuyong Li; Zhijian Jin; Daoyu Hu; Chao Guo; Dongmin Xi; Wenyi Li; Bo Zhang;
    Publisher: IEEE

    This paper presents the characteristics of novel high temperature superconducting (HTS) twisted square wires with different structure. First, the HTS tapes of 4 mm width are cut into 1 mm width HTS narrow tapes. Then, different numbers of HTS narrow tapes and narrow tap...

  • Closed Access
    Authors: 
    Liu, Daosheng; Li, Jiachen; Wang, Shihui; Yang, Shiyou; Ye, Jing;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    High-temperature superconductivity amorphous metal distribution transformer (HTS AMDT) exhibits superior properties in no-load losses compared with orientation silicon-steel transformer. However, how to reduce the audible noise level of HTS AMDT is a serious challenge f...

  • Open Access English
    Authors: 
    Timpanaro, André M.; Guarnieri, Giacomo; Goold, John; Landi, Gabriel T.;
    Project: EC | ODYSSEY (758403)

    Thermodynamic uncertainty relations (TURs) place strict bounds on the fluctuations of thermodynamic quantities in terms of the associated entropy production. In this Letter, we identify the tightest (and saturable) matrix-valued TUR that can be derived from the exchange...

  • Closed Access
    Authors: 
    Shutyi, A. M.; Sementsov, D. I.;
    Publisher: Pleiades Publishing Ltd

    The responses of the magnetic moment of an isolated nanoparticle having a uniaxial anisotropy and the magnetic moment of a planar lattice made of such nanoparticles to a Gaussian magnetic field pulse are studied by computer simulation. The influence of the anisotropy an...

  • Closed Access
    Authors: 
    Lo, Hau Yung; Liu, Yuan; Mak, Sze Yi; Xu, Zhuo; Chao, Youchuang; Li, Kaye Jiale; Shum, Ho Cheung; Xu, Lei;
    Publisher: American Physical Society (APS)

    We study the breakup of a liquid thread inside another liquid at different surface tensions. In general, the pinch-off of a liquid thread is governed by the dynamics of fluid flow. However, when the interfacial tension is ultralow (2--3 orders lower than normal liquids)...

  • Open Access English
    Authors: 
    Consuelo Guardiola; Yolanda Prezado;
    Publisher: HAL CCSD
    Country: France

    International audience; Spatially fractionated radiotherapy (SFRT) offers a gain in normal tissue sparing withrespect to standard seamless irradiations. The benefits of SFRT may be further enhancedby replacing the commonly used photon beams by charged particles. Along t...