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Hard-core magnons in theS=1∕2Heisenberg model on the square lattice
2006
Physical Review B
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It is illustrated for interacting magnons of the Heisenberg antiferromagnet on a square lattice. ...
This approach is exemplified by the antiferromagnetic Heisenberg model on the square lattice. ...
Theoretically, these phenomena are investigated in simplified models like the Hubbard model, the Heisenberg model and the t-J model. ...
doi:10.1103/physrevb.73.172407
fatcat:rreahina7ndwnca3omvatbgbpq
Quantum phase transitions in a two-species hard-core boson Hubbard model in two dimensions
2010
Physical Review B
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2010 pre-print arXiv:1009.2841v1 fatcat:hta4mq74nzgehma3nwwvqh6uyi
We investigate various quantum phase transitions of attractive two-species bosons in a square lattice. ...
Our work thus provides guides to the experimental search of the pair superfluid phase in lattice boson systems. ...
FIG. 1 : 1 (Color online) Ground-state phase diagram of attractive two-species hard-core bosons on a square lattice of size 2 7 × 2 7 as described in Eq. (1) with |U ab | = 1. ...
doi:10.1103/physrevb.82.180510
fatcat:xlifjbd2cbevvhdnmiaihon63u
sj-pdf-1-hol-10.1177_09596836211003234 – Supplemental material for Quantifying the vulnerability of Arctic water supply lakes through paleolimnological assessment: The case of Igloolik, Nunavut, Canada
2021
Figshare
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Quantifying the vulnerability of Arctic water supply lakes through paleolimnological assessment: The case of Igloolik, Nunavut, Canada by Paige Cincio, Andrew Scott Medeiros, Sonia D Wesche and Konrad Gajewski in ...
S3 Sum of squares of the chironomid data (black) compared to that from a broken stick model (red) for core SFL.
Figure S4 . ...
S5 Sum of squares of the chironomid data (black) compared to that from a broken stick model (red) for core IG8.
Figure S8 . ...
doi:10.25384/sage.14316492.v1
fatcat:ivqu46ncl5bnlj3u2zkrqnmhoe
Predictive modeling based power estimation for embedded multicore systems
2016
Proceedings of the ACM International Conference on Computing Frontiers - CF '16
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The increasing number of cores in embedded devices results in improved performance compared to single-core systems. ...
In particular, we construct a per-core based power model using SPLASH2 benchmarks by leveraging concurrency for multicore systems. ...
R-Squared values indicate the goodness of fit in accounting for variation in the data. ...
doi:10.1145/2903150.2911714
dblp:conf/cd/Sankaran16
fatcat:laqycfmrmrbzjaj5eti6y6oezi
Open-Circuit Core Loss of Large Turbine Generators Considering the Influence of Key Bar Design
2021
IEEE Access
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Stator cores, which account for 10%-15% of total generator losses, are supported by a either a dovetail key bar or a square key bar. ...
By contrast, the square key bar, which is attracting attention owing to its ease of assembly, deeply penetrates the stator core, and thus has a greater effect on core loss than the dovetail key bar. ...
Owing to the difference in capacity, the stator core slot width and armature winding width in the square key bar model were several millimeters larger than those in the dovetail key bar model; nevertheless ...
doi:10.1109/access.2021.3078461
fatcat:ivlspsmamnd7zash653576vl2u
Mathematical modeling of winding square carboplastic tubes
2019
Computer Modeling: Analysis, Control, Optimization
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However, square tubes require a new approach when winding a carbon prepreg onto a square core. ...
The results of modeling thin-walled carbon fiber tubes of square section are presented. The task of the study is to determine and account for deviations during winding and rejection of such products. ...
Using the developed model, it was found that the spread in the volume of the prepreg on the radii of rounded and on a flat section of the square core can exceed 30%. 4. ...
doi:10.32434/2521-6406-2019-6-2-3-9
fatcat:gedxeun3afcxndnahrywpiocna
Flexural strength of walls made of hollow core concrete brick using various notch models as the interlocking device
2017
MATEC Web of Conferences
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The previous notch model is in the shape of a 2-cm trapezoid and is varied here to consider a 2-cm rectangular notch model and 3-and 3.5-cm trapezoid notch models. ...
We found that the 2-cm rectangular notch model is optimal as the interlocking device of the wall made of hollow core concrete bricks, with a flexural strength under out-of-plane loading of 212.29 kN/m ...
The flexural strength of the hollow core concrete brick wall using the 2-cm square notch model is increased by 175.77% compared to the one using the 2-cm trapezoidal notch model under in-plane loading. ...
doi:10.1051/matecconf/201713801011
fatcat:6l7wzsnsxfgqtio6owmaix3x44
CFD Analysis of Supersonic Nozzle with Varying Divergent Profile
2017
International Journal of Engineering and Technology
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Three geometrical shapes circle, rectangle & square with constant area is analysed and compared. In the present investigation, the nozzles are designed in CATIA and meshed using ICEM software. ...
The exit cross section shape of nozzle is main parameter in expansion process, and it plays the major role in mixing characteristics of jet. ...
Fig. 14 14 Mach number contour for circle model Fig. 15 Mach number contour for square model Fig. 16 Mach number contour for rectangle model The Pressure contour in
Fig. 17 17 Pressure contour for circle ...
doi:10.21817/ijet/2017/v9i3/1709030336
fatcat:p76rbkjzrfeajba6cpff2pg7ki
Selection of Core for All Steel Sandwich Panel
2017
International Journal of Science and Research (IJSR)
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We have analyzed the models in ANSYS for bending load and find out best design among which gives best lowest equivalent stress & deformation. ...
Standard cores using Zsections, tubular sections, hollow square and rectangular sections, angle sections, C-sections, I-sections etc. can be used. ...
Table 1 : 1 Test piece weights Model 1 Square Tube Core Weight-6.5 Kg Model 2 C-Channel core Weight -6.5 Kg Model 3 Round Tube core Weight -6.48 Kg Model 4 Corrugated core Weight -7.18 Kg Model 5 ...
doi:10.21275/art20175441
fatcat:p56ehic4enayrmcoxo26pdhhom
Nuclear design analysis of square-lattice honeycomb space nuclear rocket engine
1999
AIP Conference Proceedings
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Moderated Square-Lattice Honeycomb fuel unit cell dimension in region 3.
- 6 . 6 The reflector material for this core is beryllium metal. ...
model, and Monte Carlo method for Moderated Square-Lattice Honeycomb. ...
doi:10.1063/1.57549
fatcat:4n2rx6d65jesvdkxlb53nslvhm
Modeling and Analysis of Different Steel Sandwich Structures for Industrial Lift Platform
2015
International Journal of Engineering Research and
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The modeling of steel sandwich structures with square, triangular, I section & circular as a core is carried out in CREO 2.0. ...
The Steel sandwich structures consists of two thin face sheets welded by a core between them. Core is having different profiles like square, triangular, I section & circular. ...
While in case of bending, models are kept horizontal and opposite side edges of models are fixed. ...
doi:10.17577/ijertv4is070676
fatcat:tzpi25zghnakjgbdj4s5qphrcy
DYNAMIC BEHAVIOUR OF SANDWICH PLATE WITH DIFFERENT CORE CONFIGURATION UNDER ACTION OF IMPULSIVE LOADING
2019
THE IRAQI JOURNAL FOR MECHANICAL AND MATERIALS ENGINEERING
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Four types of steel sandwich plate (SSP) finite element models of various core types have been created: (1) triangle corrugated core, (2) trapezoid corrugated core, (3) square honeycomb and (4) out-of ...
This research aims to study the effect of dynamic load on the dynamic properties of various types of sandwich cores then find the best model that withstand high stresses and dissipate loads with less mass ...
The models used in the study are: normal plate, square honeycomb and hexagonal honeycomb sandwich plate. ...
doi:10.32852/iqjfmme.v18i4.226
fatcat:b5lwapgp7fa4hdwp2diq3x7jui
Design and Analysis of Magnetic Coils for Optimizing the Coupling Coefficient in an Electric Vehicle Wireless Power Transfer System
2020
Energies
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Finally, this paper discusses the influence of ferrite cores with a square coil on the coupling coefficient. ...
The results of this paper show that designing the optimal internal parameters of the square coil and the ferrite core can increase the coupling coefficient between the coils, which can also provide guidelines ...
The size of the square coil, ferrite bar, and plane core are shown in Table 3 .
Square coil Plane core (c) Square coil with a plane core. Figure 15 . ...
doi:10.3390/en13164143
fatcat:36tkp37kebamjkv2r3fvvkruze
Charge radius and dipole response ofLi11
2007
Physical Review C
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2007 pre-print arXiv:0707.2168v1 fatcat:73ph6lif3rf6vjwllcyfcc7jki
We show how these observables are related to the mean square distance between the ^9Li core and the center of mass of the two valence neutrons. ...
We also investigate the sensitivity to the three-body structure of ^11Li and find that the charge radius measurement favors a model with a 50 in the ground state of the two-neutron halo, whereas the dipole ...
Nakamura for including the experimental energy resolution in the calculated dipole response, and to S. Shlomo and S. C. Pieper for reminding us of the significance of the spin-orbit charge density. ...
doi:10.1103/physrevc.76.024302
fatcat:5nvxe5fenrcczfuq2t65jbqxby
Numerical analysis of circular and square section concrete filled aluminum tubes under axial compression
2020
Frattura ed Integrità Strutturale
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It was found that the circular CFATs have a better effect on restraining the core concrete than square CFATs. The parametric analysis was also conducted based on the proposed FE model. ...
In this paper, the finite element (FE) method was used to investigate the axial compressive behaviors of circular and square concrete filled aluminum tubes (CFAT). ...
Therefore, the core concrete model in CFST was used as core concrete model of CFAT reasonably, as shown in Eq. (4) c f − + − = (5) For square CFAT: ' 0.1 0 () 1.2 1 c f = + (6) where is ...
doi:10.3221/igf-esis.54.12
fatcat:lzvzvj2gnbg45exmoc6gjt2sxq
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