output
19952026
most citedUniaxial Strain in Graphene by Raman Spectroscopy: G peak splitting, Gruneisen Parameters and Sample Orientation

2k citations

Showing 2018Show all

93 papers · 1 filter

cs.NI2018★ 71 cited

Modeling, Simulating and Configuring Programmable Wireless Environments for Multi-User Multi-Objective Networking

Christos Liaskos, Ageliki Tsioliaridou, Shuai Nie +3

Programmable wireless environments enable the software-defined propagation of waves within them, yielding exceptional performance potential. Several building-block technologies hav…

astro-ph.HE2018★ 2 cited

Clarifying the population of HMXBs in the Small Magellanic Cloud

Grigoris Maravelias, Andreas Zezas, Vallia Antoniou +2

Almost all confirmed optical counterparts of HMXBs in the SMC are OB stars with equatorial decretion disks (OBe). These sources emit strongly in Balmer lines and standout when imag…

astro-ph.GA2018★ 38 cited

SOFIA Far Infrared Imaging Polarimetry of M82 and NGC 253: Exploring the Super-Galactic Wind

Terry Jay Jones, C. Darren Dowell, Enrique Lopez Rodriguez +22

We present Far-Infrared polarimetry observations of M82 at 53 and and NGC 253 at , which were taken with HAWC+ in polarimetry mode on the Stratospheric Ob…

physics.app-ph2018★ 4 cited

Laser Ablation and Injection Moulding as Techniques for Producing Micro Channels Compatible with Small Angle X-Ray Scattering

Richard Haider, Benedetta Marmiroli, Iakovos Gavalas +6

Microfluidic mixing is an important means for in-situ sample preparation and handling while Small Angle X-Ray Scattering (SAXS) is a proven tool for characterising (macro-)molecula…

astro-ph.HE2018★ 72 cited

Observatory science with eXTP

Jean J. M. in 't Zand, Enrico Bozzo, Jinlu Qu +181

In this White Paper we present the potential of the enhanced X-ray Timing and Polarimetry (eXTP) mission for studies related to Observatory Science targets. These include flaring s…

astro-ph.SR2018★ 14 cited

A new outburst of the yellow hypergiant star Rho Cas

Michaela Kraus, Indrek Kolka, Anna Aret +5

Yellow hypergiants are evolved massive stars that were suggested to be in post-red supergiant stage. Post-red supergiants that evolve back to the blue, hot side of the Hertzsprung-…

physics.app-ph2018★ 39 cited

Formation of periodic surface structures on dielectrics after irradiation with laser beams of spatially variant polarisation: a comparative study

Antonis Papadopoulos, Evangelos Skoulas, George D. Tsibidis +1

A comparative study is performed to explore the periodic structure formation upon intense femtosecond pulsed irradiation of dielectrics with radially and azimuthally polarised beam…

cond-mat.mtrl-sci2018★ 63 cited

Modelling periodic structure formation on 100Cr6 steel after irradiation with femtosecond-pulsed laser beams

George D. Tsibidis, Alexandros Mimidis, Evangelos Skoulas +4

We investigate the periodic structure formation upon intense femtosecond pulsed irradiation of chrome steel (100Cr6) for linearly polarised laser beams. The underlying physical mec…

cond-mat.mtrl-sci2018★ 24 cited

The influence of dynamical change of optical properties on the thermomechanical response and damage threshold of noble metals under femtosecond laser irradiation

George D. Tsibidis

We present a theoretical investigation of the dynamics of the dielectric constant of noble metals following heating with ultrashort pulsed laser beams and the influence of the temp…

math.AP2018

Phase transition in a Rabi coupled two-component Bose-Einstein condensate

Amandine Aftalion, Christos Sourdis

This paper deals with the study of the phase transition of the wave functions of a segregated two-component Bose-Einstein condensate under Rabi coupling. This yields a system of tw…

cs.CR2018★ 3 cited

Talon: An Automated Framework for Cross-Device Tracking Detection

Konstantinos Solomos, Panagiotis Ilia, Sotiris Ioannidis +1

Although digital advertising fuels much of today's free Web, it typically does so at the cost of online users' privacy, due to the continuous tracking and leakage of users' persona…

math.ST2018★ 5 cited

Gaussian asymptotic limits for the -transformation in the analysis of compositional data

Yannis Pantazis, Michail Tsagris, Andrew T. A. Wood

Compositional data consists of vectors of proportions whose components sum to 1. Such vectors lie in the standard simplex, which is a manifold with boundary. One issue that has bee…

cond-mat.mtrl-sci2018★ 27 cited

Partial ablation of Ti/Al nano-layer thin film by single femtosecond laser pulse

B. Gakovic, G. D. Tsibidis, E. Skoulas +3

The effects of ultra-short laser pulses on reactive Ti/Al nano-layered thin film were investigated. The thin film composed of alternated titanium and aluminium nano-layers, was dep…

astro-ph.SR2018★ 41 cited

Using APOGEE Wide Binaries to Test Chemical Tagging with Dwarf Stars

Jeff J. Andrews, Borja Anguiano, Julio Chanamé +4

Stars of a common origin are thought to have similar, if not nearly identical, chemistry. Chemical tagging seeks to exploit this fact to identify Milky Way subpopulations through t…

astro-ph.GA2018★ 13 cited

Do sub-galactic regions follow the galaxy-wide X-ray scaling relations? The example of NGC 3310 and NGC 2276

K. Anastasopoulou, A. Zezas, V. Gkiokas +1

We present results from Chandra observations of the X-ray starburst galaxies NGC 3310 and NGC 2276. We detect 27 discrete sources in NGC 3310, and 19 discrete sources in NGC 2276 w…

astro-ph.GA2018★ 76 cited

Probing accretion of ambient cloud material into the Taurus B211/B213 filament

Y. Shimajiri, Ph. Andre, P. Palmeirim +5

Herschel observations have emphasized the role of molecular filaments in star formation. However, the origin and evolution of these filaments are not yet well understood, partly be…

physics.optics2018★ 55 cited

Chiral metamaterials with PT symmetry and beyond

Sotiris Droulias, Ioannis Katsantonis, Maria Kafesaki +2

Optical systems with gain and loss that respect Parity-Time (PT) symmetry can have real eigenvalues despite their non-Hermitian character. Chiral systems impose circularly polarize…

cs.NI2018★ 125 cited

A Novel Communication Paradigm for High Capacity and Security via Programmable Indoor Wireless Environments in Next Generation Wireless Systems

Christos Liaskos, Shuai Nie, Ageliki Tsioliaridou +3

Wireless communication environments comprise passive objects that cause performance degradation and eavesdropping concerns due to anomalous scattering. This paper proposes a new pa…

physics.optics2018★ 64 cited

Sub-cycle quantum electrodynamics in strongly laser-driven semiconductors

N. Tsatrafyllis, S. Kuhn, M. Dumergue +8

Electrodynamical processes induced in complex systems like semiconductors by strong electromagnetic fields, have traditionally/conventionally been described using semi-classical ap…

astro-ph.HE2018★ 11 cited

On the Nature of the X-ray Emission from the Ultraluminous X-ray Source, M33 X-8: New Constraints from NuSTAR and XMM-Newton

Lacey A. West, Bret D. Lehmer, Daniel Wik +12

We present nearly simultaneous NuSTAR and XMM-Newton observations of the nearby (832 kpc) ultraluminous X-ray source (ULX) M33 X-8. M33 X-8 has a 0.3-10 keV luminosity of LX ~ 1.4…

math.NA2018

On the standard Galerkin method with explicit RK4 time stepping for the Shallow Water equations

D. c. Antonopoulos, V. a. Dougalis, G. Kounadis

We consider a simple initial-boundary-value problem for the shallow water equations in one space dimension. We discretize the problem in space by the standard Galerkin finite eleme…

physics.app-ph2018★ 42 cited

Optimization of femtosecond laser processing in liquids

Jan S. Hoppius, Stella Maragkaki, Alexander Kanitz +2

In this paper we analyze femtosecond laser processing of metals in liquids searching for optimal conditions for predictable ablation. Incident laser pulses are stretched or compres…

astro-ph.GA2018★ 11 cited

Magnetic fields in massive spirals: The role of feedback and initial conditions

Evangelia Ntormousi

Magnetic fields play a very important role in the evolution of galaxies through their direct impact on star formation and stellar feedback-induced turbulence. However, their co-evo…

astro-ph.GA2018★ 27 cited

The Star Formation Reference Survey III: A Multi-wavelength View of Star Formation in Nearby Galaxies

Smriti Mahajan, M. L. N. Ashby, S. P. Willner +5

We present multi-wavelength global star formation rate (SFR) estimates for 326 galaxies from the Star Formation Reference Survey (SFRS) in order to determine the mutual scatter and…