publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
|---|---|---|---|
2008-06-11 | Anisotropic thermodynamic and transport properties of single crystalline (Ba$_{1-x}$K$_x$)Fe$_2$As$_2$ (x = 0 and 0.45) | Single crystals of BaFe$_2$As$_2$ and (Ba$_{0.55}$K$_{0.45}$)Fe$_2$As$_2$
have been grown out of excess Sn with 1% or less incorporation of solvent. The
crystals are exceptionally micaceous, are easily exfoliated and can have
dimensions as large as 3 x 3 x 0.2 mm$^3$. The BaFe$_2$As$_2$ single crystals
manifest a struc... | 0806.1874v2 |
2008-06-16 | Transport and anisotropy in single-crystalline SrFe$_2$As$_2$ and $A_{0.6}$K$_{0.4}$Fe$_2$As$_2$ ($A$ = Sr, Ba) superconductors | We have successfully grown high quality single crystals of SrFe$_2$As$_2$ and
A$_{0.6}$K$_{0.4}$Fe$_2$As$_2$(A=Sr, Ba) using flux method. The resistivity,
specific heat and Hall coefficient have been measured. For parent compound
SrFe$_2$As$_2$, an anisotropic resistivity with $\rho_c$ / $\rho_{ab}$ as large
as 130 is ... | 0806.2648v3 |
2008-07-03 | Pressure induced superconductivity in CaFe$_2$As$_2$ | CaFe$_2$As$_2$ has been found to be exceptionally sensitive to the
application of hydrostatic pressure and superconductivity has been found to
exist in a narrow pressure region that appears to be at the interface between
two different phase transitions. The pressure - temperature ($P - T$) phase
diagram of CaFe$_2$As$_... | 0807.0616v2 |
2008-08-06 | Divergent resistance at the Dirac point in graphene: Evidence for a transition in a high magnetic field | We have investigated the behavior of the resistance of graphene at the $n=0$
Landau Level in an intense magnetic field $H$. Employing a low-dissipation
technique (with power $P<$3 fW), we find that, at low temperature $T$, the
resistance at the Dirac point $R_0(H)$ undergoes a 1000-fold increase from
$\sim$10 k$\Omega$... | 0808.0906v3 |
2009-09-22 | Experimental study on the cyclic resistance of a natural loess from Northern France | In order to analyze the instability phenomenon observed along the Northern
High Speed Line of R\'eseau Ferr\'e de France (RFF), soil blocks were taken at
a site near the railway, at four different depths (1.2, 2.2, 3.5 and 4.9 m).
Cyclic triaxial tests were carried out on saturated and unsaturated soil
specimens. The r... | 0909.3932v1 |
2011-03-23 | On the origin of non-monotonic doping dependence of the in-plane resistivity anisotropy in Ba(Fe$_{1-x}T_x$)$_2$As$_2$, $T$ = Co, Ni and Cu | The in-plane resistivity anisotropy has been measured for detwinned single
crystals of Ba(Fe$_{1-x}$Ni$_x$)$_2$As$_2$ and Ba(Fe$_{1-x}$Cu$_x$)$_2$As$_2$.
The data reveal a non-monotonic doping dependence, similar to previous
observations for Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$. Magnetotransport measurements
of the parent co... | 1103.4535v2 |
2011-11-21 | Coulomb drag in monolayer and bilayer graphene | We theoretically calculate the interaction-induced frictional Coulomb drag
resistivity between two graphene monolayers as well as between two graphene
bilayers, which are spatially separated by a distance "$d$". We show that the
drag resistivity between graphene monolayers can be significantly affected by
the intralaye... | 1111.5022v2 |
2011-12-12 | Self-similar solutions of viscous and resistive ADAFs with thermal conduction | We have studied the effects of thermal conduction on the structure of viscous
and resistive advection-dominated accretion flows (ADAFs). The importance of
thermal conduction on hot accretion flow is confirmed by observations of hot
gas that surrounds Sgr A$^*$ and a few other nearby galactic nuclei. In this
research, t... | 1112.2678v1 |
2012-02-14 | Viscous and resistive accretion flows with radially self-similar and outflows | The existence of outflow in accretion flows is confirmed by observations and
magnetohydrodynamics (MHD) simulations. In this paper, we study outflows of
accretion flows in the presence of resistivity and toroidal magnetic field. The
mechanism of energy dissipation in the flow is assumed to be the viscosity and
the magn... | 1202.3095v1 |
2012-05-17 | Viscous-Resistive ADAF with a general Large-Scale Magnetic Field | We have studied the structure of hot accretion flow bathed in a general
large-scale magnetic field. We have considered magnetic parameters $
\beta_{r,\varphi,z}[=c^2_{r,\varphi,z}/(2c^2_{s})] $, where $ c^2_{r, \varphi,
z} $ are the Alfv\'{e}n sound speeds in three direction of cylindrical
coordinate $ (r,\varphi,z) $.... | 1205.3888v1 |
2012-10-29 | Numerical Study of Charge Transport of Overdoped La$_{2-x}$Sr$_{x}$CuO$_{4}$ within Semiclassical Boltzmann Transport Theory | The in-plane resistivity of the high-temperature oxide superconductor
La$_{2-x}$Sr$_{x}$CuO$_{4}$ [LSCO] shows a strong growth of a contribution
linear in temperature as the doping is reduced in the overdoped region toward
optimal. This linear term is a signature of non-Fermi liquid behavior. We find
that the appearanc... | 1210.7668v2 |
2012-11-07 | c-axis resistivity, pseudogap, superconductivity and Widom line in doped Mott insulators | Layered doped Mott insulators, such as the cuprates, show unusual temperature
dependence of the resistivity. Intriguingly, the resistivity perpendicular to
the CuO$_2$ planes, $\rho_c(T)$, shows both metallic ($d\rho_c/dT > 0$) and
semi-conducting ($d\rho_c/dT<0$) behavior. We shed light on this puzzle by
calculating $... | 1211.1702v1 |
2013-04-24 | Anisotropic transport and magnetic properties, and magnetic-field tuned states of CeZn11 single crystals | We present detailed temperature and field dependent data obtained from
magnetization, resistivity, heat capacity, Hall resistivity and thermoelectric
power measurements performed on single crystals of CeZn11. The compounds orders
antiferromagnetically at $\sim$ 2 K. The zero-field resistivity and TEP data
show features... | 1304.6752v1 |
2013-07-12 | Optical properties and electronic structure of the nonmetallic metal FeCrAs | The complex optical properties of a single crystal of hexagonal FeCrAs ($T_N
\simeq 125$ K) have been determined above and below $T_N$ over a wide frequency
range in the planes (along the $b$ axis), and along the perpendicular ($c$
axis) direction. At room temperature, the optical conductivity
$\sigma_1(\omega)$ has an... | 1307.3528v2 |
2013-09-26 | Anomalous Fermi liquid phase in metallic Skyrmion crystals | In non-centrosymmetric crystals such as MnSi, magnetic order can take the
form of a skyrmion crystal (SkX) . In this phase, conduction electrons coupled
to the local magnetic moments acquire a Berry's phase, leading to an emergent
electromagnetism. Motivated by experimental reports of a non-Fermi liquid phase
in MnSi, ... | 1309.7047v3 |
2014-07-11 | Self-consistent stationary MHD shear flows in the solar atmosphere as electric field generators | Magnetic fields and flows in coronal structures, for example, in gradual
phases in flares, can be described by 2D and 3D magnetohydrostatic (MHS) and
steady magnetohydrodynamic (MHD) equilibria. Within a physically simplified,
but exact mathematical model, we study the electric currents and corresponding
electric field... | 1407.3227v1 |
2014-07-22 | Rapid Change of Field Line Connectivity and Reconnection in Stochastic Magnetic Fields | Magnetic fields without a direction of continuous symmetry have the generic
feature that neighboring field lines exponentiate away from each other and
become stochastic, hence the ideal constraint of preserving magnetic field line
connectivity becomes exponentially sensitive to small deviations from ideal
Ohm's law. Th... | 1407.6069v1 |
2014-12-17 | Contacts for organic switches with carbon-nanotube leads | Molecular devices, as future electronics, seek low-resistivity contacts for
the energy saving. At the same time, the contacts should intensify desired
properties of tailored electronic elements. In this work, we focus our
attention on two classes of organic switches connected to carbon-nanotube leads
and operating due ... | 1412.5667v3 |
2015-09-07 | Finite Size Effect in Amorphous Indium oxide | We study the low temperature magneto-transport properties of several highly
disordered amorphous Indium oxide(a:InO) samples. Simultaneously fabricated
devices comprising a 2-dimensional (2D) film and 10 $\mu$m long wires of
different widths were measured to investigate the effect of size as we approach
the 1D limit, w... | 1509.02033v2 |
2015-09-18 | Effect of Strain on Ferroelectric Field Effect in Strongly Correlated Oxide Sm$_{0.5}$Nd$_{0.5}$NiO$_3$ | We report the effect of epitaxial strain on the magnitude and retention of
the ferroelectric field effect in high quality PbZr$_{0.3}$Ti$_{0.7}$O$_3$
(PZT)/3.8-4.3 nm Sm$_{0.5}$Nd$_{0.5}$NiO$_3$ (SNNO) heterostructures grown on
(001) LaAlO$_3$ (LAO) and SrTiO$_3$ (STO) substrates. For SNNO on LAO, which
exhibits a firs... | 1509.05493v2 |
2015-09-19 | Collapse of the low temperature insulating state in Cr-doped V$_2$O$_3$ thin films | We have grown epitaxial Cr-doped V$_2$O$_3$ thin films with Cr concentrations
between $0$ and $20\%$ on $(0001)$-Al$_2$O$_3$ by oxygen-assisted molecular
beam epitaxy. For the highly doped samples (> $3\%$), a regular and monotonous
increase of the resistance with decreasing temperature is measured. Strikingly,
in the ... | 1509.05866v1 |
2015-10-23 | Identifying lineage effects when controlling for population structure improves power in bacterial association studies | Bacteria pose unique challenges for genome-wide association studies (GWAS)
because of strong structuring into distinct strains and substantial linkage
disequilibrium across the genome. While methods developed for human studies can
correct for strain structure, this risks considerable loss- of-power because
genetic diff... | 1510.06863v3 |
2016-07-26 | Resistive Tearing Instability in Electron-MHD: Application to Neutron Star Crusts | We study a resistive tearing instability developing in a system evolving
through the combined effect of Hall drift in the Electron-MHD limit and Ohmic
dissipation. We explore first the exponential growth of the instability in the
linear case and we find the fastest growing mode, the corresponding eigenvalues
and disper... | 1607.07874v2 |
2016-07-29 | Using a terrestrial laser scanner to characterize vegetation-induced flow resistance in a controlled channel | Vegetation characteristics providing spatial heterogeneity at the channel
reach scale can produce complex flow patterns and the relationship between
plant patterns morphology and flow resistance is still an open question (Nepf
2012). Unlike experiments in laboratory, measuring the vegetation
characteristics related to ... | 1608.02483v1 |
2016-10-09 | Chaos-based Wireless Communication Resisting Multipath Effects | In additive white gaussian noise (AWGN) channel, chaos has been proved to be
the optimal coherent communication waveform in the sense of using very simple
matched filter to maximize the signal-to-noise ratio (SNR). Recently, Lyapunov
exponent spectrum of the chaotic signals after being transmitted through a
wireless ch... | 1611.02325v3 |
2016-11-22 | Sampling Random Spanning Trees Faster than Matrix Multiplication | We present an algorithm that, with high probability, generates a random
spanning tree from an edge-weighted undirected graph in
$\tilde{O}(n^{4/3}m^{1/2}+n^{2})$ time (The $\tilde{O}(\cdot)$ notation hides
$\operatorname{polylog}(n)$ factors). The tree is sampled from a distribution
where the probability of each tree i... | 1611.07451v2 |
2016-11-30 | Reconnection and particle acceleration in interacting flux ropes I. Magnetohydrodynamics and test particles in 2.5D | Magnetic reconnection and non-thermal particle distributions associated with
current-driven instabilities are investigated by means of resistive
magnetohydrodynamics (MHD) simulations combined with relativistic test particle
methods. We propose a system with two parallel, repelling current channels in
an initially forc... | 1611.09966v2 |
2016-12-06 | Pressure-induced magnetic transition exceeding 30 K in the Yb-based heavy fermion superconductor $β$-YbAlB$_4$ | Measurements of the electric resistivity $\rho(T)$ under pressure up to 8 GPa
were performed on high-quality single-crystals of the Yb-based heavy fermion
system $\beta$-YbAlB$_4$ in the temperature range $2<T<$ 300 K. In the
resistivity data, we observed pressure-induced magnetic ordering above the
critical pressure $... | 1612.01800v2 |
2017-10-07 | Intrinsically shunted Josephson junctions for electronics applications | Conventional Josephson metal-insulator-metal devices are inherently
underdamped and exhibit hysteretic current-voltage response due to a very high
subgap resistance compared to that in the normal state. At the same time,
overdamped junctions with single-valued characteristics are needed for most
superconducting digital... | 1710.02707v1 |
2018-03-13 | Graph Ranking and the Cost of Sybil Defense | Ranking functions such as PageRank assign numeric values (ranks) to nodes of
graphs, most notably the web graph. Node rankings are an integral part of
Internet search algorithms, since they can be used to order the results of
queries. However, these ranking functions are famously subject to attacks by
spammers, who mod... | 1803.05001v5 |
2018-04-25 | Jet launching in resistive GR-MHD black hole - accretion disk systems | We investigate the launching mechanism of relativistic jets from black hole
sources, in particular the strong winds from the surrounding accretion disk.
Numerical investigations of the disk wind launching - the simulation of the
accretion-ejection transition - have so far almost only been done for
non-relativistic syst... | 1804.09652v1 |
2018-05-18 | Radio frequency performance projection and stability trade-off of h-BN encapsulated graphene field-effect transistors | Hexagonal boron nitride (h-BN) encapsulation significantly improves carrier
transport in graphene. This work investigates the benefit of implementing the
encapsulation technique in graphene field-effect transistors (GFET) in terms of
their radio frequency (RF) performance. For such a purpose, a drift-diffusion
self-con... | 1805.07138v4 |
2018-06-21 | Development and Characterization of 6-gap Bakelite Multi-gap Resistive Plate Chamber | The Multi-gap Resistive Plate Chamber (MRPC) is an advanced form of Resistive
Plate Chamber (RPC) detector where the gas gap is divided into sub-gaps. MRPCs
are known for their good time resolution and detection efficiency for charged
particles. They have found suitable applications in several high energy physics
exper... | 1806.08265v1 |
2018-06-23 | Bilayer h-BN Barriers for Tunneling Contacts in Fully-Encapsulated Monolayer $\mathbf{MoSe_2}$ Field-Effect Transistors | The performance of electronic and spintronic devices based on two-dimensional
semiconductors (2D SC) is largely dependent on the quality and resistance of
the metal/SC electrical contacts, as well as preservation of the intrinsic
properties of the SC channel. Direct Metal/SC interaction results in highly
resistive cont... | 1806.08954v1 |
2018-09-25 | Neural Networks with Structural Resistance to Adversarial Attacks | In adversarial attacks to machine-learning classifiers, small perturbations
are added to input that is correctly classified. The perturbations yield
adversarial examples, which are virtually indistinguishable from the
unperturbed input, and yet are misclassified. In standard neural networks used
for deep learning, atta... | 1809.09262v1 |
2019-09-22 | Ship resistance when operating in floating ice floes: a combined CFD&DEM approach | Whilst climate change is transforming the Arctic into a navigable ocean where
small ice floes are floating on the sea surface, the effect of such ice
conditions on ship performance has yet to be understood. The present work
combines a set of numerical methods to simulate the ship-wave-ice interaction
in such ice condit... | 1909.10018v1 |
2014-08-26 | Mean-field dynamics of tumor growth and control using low-impact chemoprevention | Cancer poses danger because of its unregulated growth, development of
resistant subclones, and metastatic spread to vital organs. Although the major
transitions in cancer development are increasingly well understood, we lack
quantitative theory for how chemoprevention is predicted to affect survival. We
employ master e... | 1408.6052v1 |
2011-07-22 | Ferromagnetic Quantum Critical Endpoint in UCoAl | Resistivity and magnetostriction measurements were performed at high magnetic
fields and under pressure on UCoAl. At ambient pressure, the 1st order
metamagnetic transition at H_m ~ 0.7 T from the paramagnetic ground state to
the field-induced ferromagnetic state changes to a crossover at finite
temperature T_0 ~11 K. ... | 1107.4590v1 |
2013-12-02 | Revisiting heat capacity of bulk polycrystalline YBa2Cu3O7-δ | In this letter, we present the superconducting property characterization of a
phase pure reasonably good quality YBa2Cu3O7-{\delta} sample. Studied compound
is crystallized in orthorhombic Pmmm space group with lattice parameters a, b,
and c are 3.829(2) {\AA}, 3.887(1) {\AA} and 11.666(3) {\AA} respectively. Bulk
supe... | 1312.0417v2 |
2013-12-22 | Crystal growth, transport phenomena and two gap superconductivity in the mixed alkali metal $(K_{1-z}Na_z)_{x}Fe_{2-y}Se_2$ iron selenide | Using the self-flux technique we grew superconducting
$(K_{1-z}Na_z)_{x}Fe_{2-y}Se_2$ (z = 0.3) single crystals. The EDX mapping
revealed the uniform elements distribution on the crystal surface while the XRD
measurements indicate that the crystals are compositionally inhomogenous on
nanoscale. The physical properties ... | 1312.6441v2 |
2014-11-27 | Electron-phonon interaction in a spin-orbit coupled quantum wire with a gap | Interaction between electron and acoustic phonon in an in-plane magnetic
field induced gapped quantum wire with Rashba spin-orbit interaction is
studied. We calculate acoustic phonon limited resistivity ($\rho$) and
phonon-drag thermopower ($S_g$) due to two well known mechanisms of
electron-phonon interaction namely, ... | 1411.7620v1 |
2019-02-01 | Observation of Two Collapsed Phases in CaRbFe4As4 | We report the observation of the pressure-induced, fully-collapsed tetragonal
phase of CaRbFe4As4 for P~ 22 GPa via high-pressure x-ray diffraction and
magnetotransport measurements. The x-ray measurements, along with resistivity
measurements, show that there is an initial half-collapsed tetragonal phase for
6 < P < 22... | 1902.00472v3 |
2019-02-04 | Gauge phonon dominated resistivity in twisted bilayer graphene near magic angle | Recent experiments on twisted bilayer graphene (tBG) close to magic angle
show that a small relative rotation in a van der Waals heterostructure greatly
alters its electronic properties. We consider various scattering mechanisms and
show that the carrier transport in tBG is dominated by a combination of charged
impurit... | 1902.01405v1 |
2019-05-06 | A Differential Game Approach to Decentralized Virus-Resistant Weight Adaptation Policy over Complex Networks | Increasing connectivity of communication networks enables large-scale
distributed processing over networks and improves the efficiency for
information exchange. However, malware and virus can take advantage of the high
connectivity to spread over the network and take control of devices and servers
for illicit purposes.... | 1905.02237v2 |
2020-03-29 | Deficiency of the scaling collapse as an indicator of a superconductor-insulator quantum phase transition | Finite-size scaling analysis is a well-accepted method for identification and
characterization of quantum phase transitions (QPTs) in superconducting,
magnetic and insulating systems. We formally apply this analysis in the form
suitable for QPTs in 2-dimensional superconducting films to magnetic-field
driven supercondu... | 2003.13157v2 |
2016-03-05 | Stationary Axisymmetric Configuration of the Resistive Thick Accretion Tori around a Schwarzschild Black Hole | We examine a thick accretion disc in the presence of external gravity and
intrinsic dipolar magnetic field due to a non-rotating central object. In this
paper, we generalize the Newtonian theory of stationary axisymmetric resistive
tori of Tripathy, Prasanna $\&$ Das (1990) by including the fully general
relativistic f... | 1603.01712v1 |
2016-03-15 | The Resistive-Plate WELL with Argon mixtures - a robust gaseous radiation detector | A thin single-element THGEM-based, Resistive-Plate WELL (RPWELL) detector was
operated with 150 GeV/c muon and pion beams in Ne/(5%CH$_4$), Ar/(5%CH$_4$) and
Ar/(7%CO$_2$); signals were recorded with 1 cm$^2$ square pads and SRS/APV25
electronics. Detection efficiency values greater than 98% were reached in all
the gas... | 1603.04820v1 |
2017-07-27 | Reconnection and particle acceleration in interacting flux ropes -- II. 3D effects on test particles in magnetically dominated plasmas | We analyze particle acceleration in explosive reconnection events in
magnetically dominated proton-electron plasmas. Reconnection is driven by
large-scale magnetic stresses in interacting current-carrying flux tubes. Our
model relies on development of current-driven instabilities on macroscopic
scales. These tilt-kink ... | 1707.08920v2 |
2016-09-23 | Parallelization of JOREK-STARWALL for non-linear MHD simulations including resistive walls (Report of the EUROfusion High Level Support Team Projects JORSTAR/JORSTAR2) | Large scale plasma instabilities inside a tokamak can be influenced by the
currents flowing in the conducting vessel wall. This involves non linear plasma
dynamics and its interaction with the wall current. In order to study this
problem the code that solves the magneto-hydrodynamic (MHD) equations, called
JOREK [Huysm... | 1609.07441v2 |
2018-07-03 | Weak anti-localization of two-dimensional holes in germanium beyond the diffusive regime | Gate-controllable spin-orbit coupling is often one requisite for spintronic
devices. For practical spin field-effect transistors, another essential
requirement is ballistic spin transport, where the spin precession length is
shorter than the mean free path such that the gate-controlled spin precession
is not randomized... | 1807.01400v1 |
2019-01-21 | Charge, lattice and magnetism across the valence crossover in EuIr$_2$Si$_2$ single crystals | We present a detailed study of the temperature evolution of the crystal
structure, specific heat, magnetic susceptibility and resistivity of single
crystals of the paradigmatic valence-fluctuating compound EuIr$_2$Si$_2$. A
comparison to stable-valent isostructural compounds EuCo$_2$Si$_2$ (with
Eu$^{3+}$), and EuRh$_2... | 1901.06826v1 |
2019-06-12 | Influence of 3D plasmoid dynamics on the transition from collisional to kinetic reconnection | Within the resistive magnetohydrodynamic model, high-Lundquist number
reconnection layers are unstable to the plasmoid instability, leading to a
turbulent evolution where the reconnection rate can be independent of the
underlying resistivity. However, the physical relevance of these results
remains questionable for man... | 1906.04867v1 |
2019-06-17 | Non-equilibrium Green's Function and First Principle Approach to Modeling of Multiferroic Tunnel Junctions | Recently, multiferroic tunnel junctions (MFTJs) have gained significant
spotlight in the literature due to its high tunneling electro-resistance
together with its non-volatility. In order to analyze such devices and to have
insightful understanding of its characteristics, there is a need for developing
a multi-physics ... | 1906.06986v1 |
2020-05-02 | All-electrical monitoring of bacterial antibiotic susceptibility in a microfluidic device | The lack of rapid antibiotic susceptibility tests adversely affects the
treatment of bacterial infections and contributes to increased prevalence of
multidrug resistant bacteria. Here, we describe an all-electrical approach that
allows for ultra-sensitive measurement of growth signals from only tens of
bacteria in a mi... | 2005.00846v1 |
2020-05-04 | Environment-friendly gas mixtures for Resistive Plate Chambers: an experimental and simulation study | Resistive Plate Chambers (RPC) have shown stable operation at the Large
Hadron Collider and satisfactory efficiency for the entire Run 1 (2010-2013)
and Run 2 (2015-2018) with C$_{2}$H$_{2}$F$_{4}$-based gas mixtures and the
addition of SF$_{6}$ and i-C$_{4}$H$_{10}$. Since its global warming potential
(GWP) is high, C... | 2005.01476v1 |
2020-05-04 | Evidence for a pressure-induced antiferromagnetic quantum critical point in intermediate valence UTe2 | UTe$_2$ is a recently discovered unconventional superconductor that has
attracted much interest due to its many intriguing properties - a large
residual density-of-states in the superconducting state, re-entrant
superconductivity in high magnetic fields, and potentially spin-triplet
topological superconductivity. Our a... | 2005.01659v2 |
2020-05-22 | Improved-RPC for the CMS muon system upgrade for the HL-LHC | During Phase-2 of the LHC, known as the High Luminosity LHC (HL-LHC), the
accelerator will increase its instantaneous luminosity to 5 $\times$ 10$^{34}$
cm$^{-2}$ s$^{-1}$, delivering an integrated luminosity of 3000 fb$^{-1}$ over
10 years of operation starting from 2027. In view of the HL-LHC, the CMS muon
system wil... | 2005.11396v4 |
2020-06-08 | Flow through three-dimensional self-affine fractures | We investigate through numerical simulations of the Navier-Stokes equations
the influence of the surface roughness on the fluid flow through fracture
joints. Using the Hurst exponent $H$ to characterize the roughness of the
self-affine surfaces that constitute the fracture, our analysis reveal the
important interplay b... | 2006.04846v1 |
2020-06-22 | Effect of Landau quantization on linear magnetoresistance of periodically modulated two-dimensional electron gas | The linear response of two-dimensional electron gas in a perpendicular
magnetic field in the presence of a spatially dependent classically smooth
electrostatic potential is studied theoretically, by application of the Kubo
formula for nonlocal conductivity tensor. In the classical transport regime, a
general expression... | 2006.12351v1 |
2020-11-06 | (Quasi-)Real-Time Inversion of Airborne Time-Domain Electromagnetic Data via Artificial Neural Network | The possibility to have results very quickly after, or even during, the
collection of electromagnetic data would be important, not only for quality
check purposes, but also for adjusting the location of the proposed flight
lines during an airborne time-domain acquisition. This kind of readiness could
have a large impac... | 2011.03522v1 |
2020-11-30 | Discovering novel cancer bio-markers in acquired lapatinib resistance using Bayesian methods | Genes/Proteins do not work alone within our body, rather as a group they
perform certain activities indicated as pathways. Signalling transduction
pathways (STPs) are some of the important pathways that transmit biological
signals from protein-to-protein controlling several cellular activities.
However, many diseases s... | 2012.00566v1 |
2021-02-02 | Long-term evolution of a merger-remnant neutron star in general relativistic magnetohydrodynamics I: Effect of magnetic winding | Long-term ideal and resistive magnetohydrodynamics (MHD) simulations in full
general relativity are performed for a massive neutron star formed as a remnant
of binary neutron star mergers. Neutrino radiation transport effects are taken
into account as in our previous papers. The simulation is performed in axial
symmetr... | 2102.01346v1 |
2021-03-15 | Electron Collision Cross Sections in Tetrafluoropropene HFO1234ze(E) for Gas Mixtures in Resistive Plate Chambers | In recent years, there has been growing interest in tetrafluoropropene
HFO1234ze(E) (C$_{3}$H$_{2}$F$_{4}$) for Resistive Plate Chambers (RPCs). This
novel gas is considered a promising alternative to the standard mixtures
currently used in RPCs, thanks to its low global warming potential. The
knowledge of electron col... | 2103.08643v2 |
2021-03-31 | Cascade-Forward Neural Network Based on Resilient Backpropagation for Simultaneous Parameters and State Space Estimations of Brushed DC Machines | A sensorless speed, average temperature and resistance estimation technique
based on Neural Network (NN) for brushed DC machines is proposed in this paper.
The literature on parameters and state spaces estimations of the Brushed DC
machines, shows a variety of approaches. However, these observers are sensitive
to a noi... | 2104.04348v1 |
2021-04-25 | Relativistic resistive dissipative magnetohydrodynamics from the relaxation time approximation | Here we derive the relativistic resistive dissipative second-order
magnetohydrodynamic evolution equations using the Boltzmann equation, thus
extending our work from the previous paper
\href{https://link.springer.com/article/10.1007/JHEP03(2021)216}{JHEP 03 (2021)
216} where we considered the non-resistive limit. We so... | 2104.12179v2 |
2021-05-17 | Strange Metals from Melting Correlated Insulators in Twisted Bilayer Graphene | Even as the understanding of the mechanism behind correlated insulating
states in magic-angle twisted bilayer graphene converges towards various kinds
of spontaneous symmetry breaking, the metallic "normal state" above the
insulating transition temperature remains mysterious, with its excessively high
entropy and linea... | 2105.08069v3 |
2021-07-21 | On the explosive phase of the tearing mode in double current sheet plasmas: effect of the equilibrium magnetic configuration on the onset threshold and growth rate | Magnetic reconnection associated with the tearing instability occurring in
double-current sheet systems is investigated within the framework of reduced
resistive magnetohydrodynamics (MHD) in a two-dimensional Cartesian geometry.
The explosive non linear phase is particularly explored using the adaptive
finite-element ... | 2107.10069v2 |
2021-11-22 | Magnetic attractive interaction induced superconductivity in metals | The BCS theory has described the conventional superconductors
successfully.However,it is still not clear when the superconductivity occurs
and why the resistance is zero.Also,there is no simple formula to calculate
Tc,and it is not well understood about how to improve Tc. Therefore,a theory of
superconductivity caused ... | 2111.11048v1 |
2022-01-28 | Generalized statistics: applications to data inverse problems with outlier-resistance | The conventional approach to data-driven inversion framework is based on
Gaussian statistics that presents serious difficulties, especially in the
presence of outliers in the measurements. In this work, we present maximum
likelihood estimators associated with generalized Gaussian distributions in the
context of R\'enyi... | 2201.12173v1 |
2022-04-02 | Mechanical and electrical properties of MWCNT/PP films and structural health monitoring of GF/PP joints | While welding of thermoplastic composites (TPCs) is a promising rivetless
method to reduce weight, higher confidence in joints' structural integrity and
failure prediction must be achieved for widespread use in industry. In this
work, we present an innovative study on damage detection for ultrasonically
welded TPC join... | 2204.00909v1 |
2022-05-09 | ResSFL: A Resistance Transfer Framework for Defending Model Inversion Attack in Split Federated Learning | This work aims to tackle Model Inversion (MI) attack on Split Federated
Learning (SFL). SFL is a recent distributed training scheme where multiple
clients send intermediate activations (i.e., feature map), instead of raw data,
to a central server. While such a scheme helps reduce the computational load at
the client en... | 2205.04007v1 |
2022-06-18 | Quantifying the value of transient voltage sources | Some voltage sources are transient, lasting only for a moment of time, such
as the voltage generated by converting a human motion into electricity. Such
sources moreover tend to have a degree of randomness as well as internal
resistance. We investigate how to put a number to how valuable a given
transient source is. We... | 2206.09126v2 |
2022-09-14 | Accretion disc backflow in resistive MHD simulations | We investigate accretion onto a central star, with the size, rotation rate,
and magnetic dipole of a young stellar object, to study the flow pattern
(velocity and density) of the fluid within and outside of the disc. We perform
resistive MHD simulations of thin $\alpha$-discs, varying the parameters such
as the stellar... | 2209.06526v1 |
2022-11-02 | Weak antilocalization induced by Se substitution in layered BiCh$_2$-based (Ch = S, Se) superconductors LaO$_{1-x}$F$_x$BiS$_{2-y}$Se$_y$ | We report transport properties for layered BiCh2-based (Ch = S, Se)
superconductors LaO1-xFxBiS2-ySey (x = 0.2, 0.5, y = 0-1.05) and the
observation of weak antilocalization (WAL). Electrical resistivity and Hall
coefficients for the Se-poor samples increase with decreasing temperature. The
increase becomes less pronou... | 2211.00843v1 |
2022-11-17 | Charge diffusion in relativistic resistive second-order dissipative magnetohydrodynamics | We study charge diffusion in relativistic resistive second-order dissipative
magnetohydrodynamics. In this theory, charge diffusion is not simply given by
the standard Navier-Stokes form of Ohm's law, but by an evolution equation
which ensures causality and stability. This, in turn, leads to transient
effects in the ch... | 2211.09459v2 |
2023-08-21 | Neuromorphic Hebbian learning with magnetic tunnel junction synapses | Neuromorphic computing aims to mimic both the function and structure of
biological neural networks to provide artificial intelligence with extreme
efficiency. Conventional approaches store synaptic weights in non-volatile
memory devices with analog resistance states, permitting in-memory computation
of neural network o... | 2308.11011v1 |
2023-10-02 | Breaking Through the Plasma Wavelength Barrier to Extend the Transparency Range of Ultrathin Indium Tin Oxide Films into the Far Infrared | Indium tin oxide (ITO) film, which is the most commonly used transparent
conductive film (TCF), has traditionally been believed to be transparent in the
visible spectrum but to reflect infrared (IR) light beyond the plasma
wavelength (${\lambda}_p$). However, our theoretical analysis challenges this
notion by demonstra... | 2310.00984v1 |
2024-01-31 | Large amplitude traveling waves for the non-resistive MHD system | We prove the existence of large amplitude bi-periodic traveling waves
(stationary in a moving frame) of the two-dimensional non-resistive
Magnetohydrodynamics (MHD) system with a traveling wave external force with
large velocity speed $\lambda (\omega_1, \omega_2)$ and of amplitude of order
$O(\lambda^{1^+})$ where $\l... | 2401.17943v1 |
2024-02-29 | Quantum transport properties of the topological Dirac Semimetal $α$-Sn | We report measurements of the electrical resistivity ($\rho$) and
thermoelectric power (S) in a thin film of strained single-crystalline
$\alpha$-Sn grown by molecular beam epitaxy on an insulating substrate. The
temperature (T) dependence of the resistivity of $\alpha$-Sn can be divided
into two regions:below T* $\app... | 2403.00083v1 |
2024-05-06 | Physical properties and electronic structure of the two-gap superconductor V$_{2}$Ga$_{5}$ | We present a thorough investigation of the physical properties and
superconductivity of the binary intermetallic V2Ga5. Electrical resistivity and
specific heat measurements show that V2Ga5 enters its superconducting state
below Tsc = 3.5 K, with a critical field of Hc2,perp c(Hc2,para c) = 6.5(4.1)
kOe. With H perp c,... | 2405.03499v1 |
2013-12-03 | Materials Design by Quantum-Chemical and other Theoretical/Computational Means: Applications to Energy Storage and Photoemissive Materials | The present paper discusses some recent developments in the field of rational
design for energy storage and photoemissive materials. Recent and new examples
of designer materials for Li-ion and Li-air type batteries with high capacity
and energy/power density as well as photoemissive materials with low
workfunctions an... | 1312.0699v2 |
2015-10-05 | Low frequency sound attenuation in a flow duct using a thin slow sound material | We present a thin subwavelength material that can be flush mounted to a duct
and which gives a large wide band attenuation at remarkably low frequencies in
air flow channels. To decrease the material thickness, the sound is slowed in
the material using folded side branch tubes. The impedance of the material is
compared... | 1606.01877v1 |
2005-06-06 | Fast high--voltage amplifiers for driving electro-optic modulators | We describe five high-voltage (60 to 550V peak to peak), high-speed (1-300ns
rise time; 1.3-300MHz bandwidth) linear amplifiers for driving capacitive or
resistive loads such as electro-optic modulators. The amplifiers use bipolar
transistors in various topologies. Two use electron tubes to overcome the speed
limitatio... | 0506050v1 |
2016-02-26 | Resistively detected high-order magnetoplasmons in a high-quality 2D electron gas | We report on high-order magnetoplasmon resonances detected in photoresistance
in high-mobility GaAs quantum wells. These resonances manifest themselves as a
series of photoresistance extrema in the regime of Shubnikov-de Haas
oscillations. Extending to orders above 20, the extrema exhibit alternating
strength, being le... | 1602.08407v1 |
2023-01-17 | High Speed Parallel Signal Crosstalk Cancellation Concept | High performance computing (HPC) systems make extensive use of high speed
electrical interconnects, in routing signals among processing elements, or
between processing elements and memory. Increasing bandwidth demands result in
high density, parallel I/O exposed to crosstalk due to tightly coupled
transmission lines. T... | 2301.10170v1 |
2017-10-04 | A Characterization of Effective Resistance Metrics | We produce a characterization of finite metric spaces which are given by the
effective resistance of a graph. This characterization is applied to the more
general context of resistance metrics defined by Kigami. A countably infinite
resistance metric gives rise to a sequence of finite, increasing graphs with
invariant ... | 1710.01587v2 |
2017-12-22 | Bacterial cooperation leads to heteroresistance | By challenging E. coli with sublethal norfloxacin for 10 days, Henry Lee and
James Collins suggests the bacterial altruism leads to the population-wide
resistance. By detailedly analyzing experiment data, we suggest that bacterial
cooperation leads to population-wide resistance under norfloxacin pressure and
simultaneo... | 1712.08309v1 |
2005-08-31 | Spinel ferrites: old materials bring new opportunities for spintronics | Over the past few years, intensive studies of ultrathin epitaxial films of
perovskite oxides have often revealed exciting properties like giant
magnetoresistive tunnelling and electric field effects. Spinel oxides appear as
even more versatile due to their more complex structure and the resulting many
degrees of freedo... | 0508764v1 |
2007-05-10 | Influence of oxygen partial pressure on structural, transport and magnetic properties of Co doped TiO2 films | Thin films of Co-TiO2 are deposited on silicon and quartz substrates using
Pulse Laser Deposition (PLD) process at various oxygen partial pressures
ranging from 6.6 x 10-3 Pascals (Pa) to 53 Pa. Crystal structure, transport and
magnetic properties of reduced CoxTi(1-x)O2 (0 <x< 0.03) thin films are
investigated and are... | 0705.1527v1 |
2008-11-25 | Structural and physical properties of $SrMn_{1-x}Ru_xO_3$ perovskites | We combine the results of magnetic and transport measurements with neutron
diffraction data to construct the structural and magnetic phase diagram of the
entire family of SrMn$_{1-x}$Ru$_{x}$O$_3$ ($0 \leqslant x \leqslant 1$)
perovskites. We have found antiferromagnetic ordering of the C type for lightly
Ru-substitute... | 0811.4181v1 |
2009-10-09 | Three-dimensional jamming and flows of soft glassy materials | Various disordered dense systems such as foams, gels, emulsions and colloidal
suspensions, exhibit a jamming transition from a liquid state (they flow) to a
solid state below a yield stress. Their structure, thoroughly studied with
powerful means of 3D characterization, exhibits some analogy with that of
glasses which ... | 0910.1821v2 |
2012-08-04 | Microscopic theory of the glassy dynamics of passive and active network materials | Signatures of glassy dynamics have been identified experimentally for a rich
variety of materials in which molecular networks provide rigidity. Here we
present a theoretical framework to study the glassy behavior of both passive
and active network materials. We construct a general microscopic network model
that incorpo... | 1208.0880v1 |
2014-09-24 | Field tunable spin density wave phases in Sr3Ru2O7 | The conduction electrons in a metal experience competing interactions with
each other and the atomic nuclei. This competition can lead to many types of
magnetic order in metals. For example, in chromium the electrons order to form
a spin-density-wave (SDW) antiferromagnetic state. A magnetic field may be used
to pertur... | 1409.7054v2 |
2014-12-12 | Magnetoresistance from broken spin helicity | The propensity of some materials and multilayers to have a magnetic field
dependent resistance, called magnetoresistance, has found commercial
applications such as giant magnetoresistance harddisk read heads. But
magnetoresistance can also be a powerful probe of electronic and magnetic
interactions in matter. For examp... | 1412.4065v1 |
2015-09-16 | Photoinduced Kondo effect in CeZn$_{3}$P$_{3}$ | The Kondo effect, which originates from the screening of a localized magnetic
moment by a spin-spin interaction, is widely observed in non-artificial
magnetic materials, artificial quantum dots, and carbon nanotubes. In devices
based on quantum dots or carbon nanotubes that target quantum information
applications, the ... | 1509.04909v2 |
2015-11-06 | Finite size effects on crack front pinning at heterogeneous planar interfaces: Experimental, finite elements and perturbation approaches | Understanding the role played by the microstructure of materials on their
macroscopic failure properties is an important challenge in solid mechanics.
Indeed, when a crack propagates at a heterogeneous brittle interface, the front
is trapped by tougher regions and deforms. This pinning induces non-linearities
in the cr... | 1511.02050v1 |
2016-05-26 | Measurement Techniques for Thermal Conductivity and Interfacial Thermal Conductance of Bulk and Thin Film Materials | Thermal conductivity and interfacial thermal conductance play crucial roles
in the design of engineering systems where temperature and thermal stress are
of concerns. To date, a variety of measurement techniques are available for
both bulk and thin film solid-state materials with a broad temperature range.
For thermal ... | 1605.08469v2 |
2016-04-02 | Modeling Mechanical Properties of Aluminum Composite Produced Using Stir Casting Method | ANN (Artificial Neural Networks) modeling methodology was adopted for
predicting mechanical properties of aluminum cast composite materials. For this
purpose aluminum alloy were developed using conventional foundry method. The
composite materials have complex nature which posses the nonlinear relationship
among heat tr... | 1605.09691v1 |
2016-07-26 | Superconductivity in CaBi$_{2}$ | Superconductivity is observed with critical temperature $T_{c}$ = 2.0 K in
self-flux-grown single crystals of $CaBi_{2}$. This material adopts the
$ZrSi_{2}$ structure type with lattice parameters a = 4.696(1) $\AA$, b =
7.081(2) $\AA$ and c = 4.611(1) $\AA$. The crystals of $CaBi_{2}$ were studied
by means of magnetic... | 1607.07603v1 |
2016-08-21 | Unusual interlayer quantum transport behavior caused by the zeroth Landau level in YbMnBi2 | Relativistic fermions in topological quantum materials are characterized by
linear energy-momentum dispersion near band crossing points. Under magnetic
field, relativistic fermions acquire Berry phase of {\pi} in cyclotron motion,
leading to a zeroth Landau level (LL) at the crossing point. Such
field-independent zerot... | 1608.05956v1 |
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