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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله Gapless chiral excitons in thin films of topological insulators Jafari, S. A. 2014
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2 مقاله Collective excitations and the nature of Mott transition in undoped gapped graphene Jafari, S. A. 2012 Collective excitations.
Composite bosons.
Critical points.
Critical value.
Dirac fermions.
Dynamical mean-field theory.
Energy scale.
Gap parameter.
Hubbard interaction.
Low energies.
Luttinger liquids.
Mott insulators.
Mott transitions.
Short range interactions.
Spin-charge separation.
Undoped systems.
Graphene.
Mean field theory.
Velocity.
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3 مقاله Nonlinear optical response in gapped graphene Jafari, S. A. 2012 Closed-form formulae.
Covariant.
Dirac theory.
Functional dependence.
Logarithmic singularity.
Low energies.
Non-linear optical.
Nonlinear optical response.
Optical nonlinearity.
Response functions.
Single particle spectrum.
Graphene.
Nonlinear optics.
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4 مقاله Exact phase boundaries and topological phase transitions of the XYZ spin chain Jafari, S. A. 2017 Chains.
Charge density.
Charge density waves.
Phase boundaries.
Phase space methods.
Spin dynamics.
Statistical mechanics.
Winding.
Co-ordinate system.
Geometric progressions.
Identified parameter.
Order parameter.
Parameter spaces.
Renormalization group.
Simple derivations.
Topological phase.
Topology.
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5 مقاله Electric field assisted amplification of magnetic fields in tilted Dirac cone systems Jafari, S. A. American Physical Society, 2019 Electric fields.
Landforms.
Electric and magnetic fields.
Geometric description.
Layered organic conductors.
Lorentz transformations.
Magnetic and electric fields.
Minkowski space-time.
Perpendicular magnetic fields.
Quantum oscillations.
Magnetic fields.
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6 مقاله Tilted-Lorentz symmetry Jafari, S. A. Isfahan University of Technology, 2020 Spacetime in solid state physics.
Tilted Lorentz group.
Dirac cone.
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7 پایان نامه جلوگیری و تشخیص حملات منع دسترسی توسط تحلیل شبکه بات نت Mitigating DDoS Using BOTNET Analysis with Flow Anomaly Detection برادران جعفری، نوید Baradaran Jafari, Navid صنعتی شریف 1396 حمله از کار اندازی سرویس توزیع شده Distributed Denial of Service (DDOS)Attack / شبکه بوت نت Botnet Network / شبکه های تعریف شده با نرم افزار Software Defined Networks (SDN) / تشخیص شبکه های بوت نت Botnet Networks Detection / قرارداد اوپن فلو OpenFlow Protocol / خوشه بندی جویبار داده Data Stream Clustering
‭56-50010
8 مقاله Analysis and simulation of ring resonator silicon electro-optic modulators based on PN junction in reverse bias Jafari, O. 2014 Coupled resonators.
Guided waves.
Micro-optical devices.
Modulators.
Optoelectronics.
PN junction.
Ring resonator.
Conformal mapping.
Guided electromagnetic wave propagation.
Linear transformations.
Optical resonators.
Optoelectronic devices.
Resonators.
Silicon.
Spectrum analysis.
Waveguides.
Conformal transformation.
Coupled resonator.
Electro-optic modulators.
Frequency spectrum analysis.
Microoptical devices.
P-n junction.
Planar optical waveguides.
Light modulators.
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9 مقاله Neural network-based brain tissue segmentation in MR images using extracted features from intraframe coding in H.264 Jafari, M. 2012 Artificial neural network classifier.
Artificial Neural Network.
Back-propagation neural networks.
Brain tissue.
Brain tissue segmentation.
Classification accuracy.
Coding standards.
Gray matter.
H.264/AVC.
Intraframe coding.
Medical images.
MR images.
Network-based.
Tumor tissues.
White matter.
Brain.
Cerebrospinal fluid.
Codes (symbols)
Compression ratio (machinery)
Computational complexity.
Feature extraction.
Image coding.
Image segmentation.
Motion Picture Experts Group standards.
Neural networks.
Tissue.
Computer vision.
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10 مقاله Automatic brain tissue detection in MRI images using seeded region growing segmentation and neural network classification Jafari, M. 2011 Artificial neural network.
Brain tumor detection.
Classification.
Connected component labeling.
Feature extraction and selection.
Seeded region growing segmentation.
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11 مقاله Microstructure generation of severely deformed materials using Voronoi diagram in Laguerre geometry: Full algorithm Jafari, R. 2011 Applied strain.
Deformation strain.
Deformed samples.
Edge number distribution.
Gamma distribution.
Gamma distribution function.
Inhomogeneities.
Laguerre geometry.
Low strains.
Simulated microstructures.
Uniform structure.
Voronoi cell.
Voronoi diagrams.
Computational geometry.
Distribution functions.
Grain refinement.
Graphic methods.
Microstructure.
Strain.
Poisson distribution.
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12 مقاله Three-qubits ground state and thermal entanglement of anisotropic Heisenberg (XXZ) and Ising models with Dzyaloshinskii-Moriya interaction Jafari, R. 2011 DM interaction.
Quantum information.
Thermal entanglement.
Three qubit.
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13 مقاله Fibre position effects on the operation of opto-pair fibre displacement sensors Jafari, R. 2011 Displacement.
Double-fibre.
Laser diode.
Active regions.
Axial distance.
Cladding diameters.
Dead regions.
Displacement measurements.
Displacement sensor.
Fibre probe.
Operational performance.
Optical fibre.
Output power.
Position effect.
Reflected power.
Reflective surfaces.
Reproducibilities.
Response curves.
Sensor performance.
Theoretical models.
Theoretical prediction.
Time stability.
Time-scales.
Hysteresis.
Optical fibers.
Probes.
Sensors.
Fibers.
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14 مقاله Fast intra- and inter-prediction mode decision of H.264/AVC for medical frame compression based on region of interest Jafari, M. 2011 Adaptive search range decision.
H.264/AVC.
Intra- and inter-prediction.
Medical video compression.
Region of interest.
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15 مقاله Simulation of three different double-fiber probes for reflection sensing Jafari, R. 2010 Fiber.
Target.
Beam.
Crucial parameters.
Numerical aperture.
Optimum conditions.
Overlap.
Proper modeling.
Reflection measurements.
Design.
Geometry.
Probes.
Reflection.
Targets.
Transmitters.
Fibers.
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16 مقاله Experimental and analytical evaluation of rubberized polymer concrete Jafari, K. 2017 Destructive tests and nondestructive methods.
Rubberized polymer concrete.
Statistical analysis.
Aggregates.
Compressive strength.
Concretes.
Crystal structure.
Digital signal processing.
Epoxy resins.
Interfaces (materials)
Light velocity.
Mechanical properties.
Nondestructive examination.
Polymers.
Repair.
Rubber.
Scanning electron microscopy.
Signal processing.
Statistical methods.
Taguchi methods.
Tensile testing.
X ray diffraction.
Electrical conductivity.
Interaction parameters.
Microstructure analysis.
Nondestructive methods.
Polymer concretes.
Repair and rehabilitations.
Splitting tensile tests.
Ultrasonic pulse velocity.
Ultrasonic testing.
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17 مقاله Optimization and simulation of micrometre-scale ring resonator modulators based on p-i-n diodes using firefly algorithm Jafari, O. Elsevier GmbH, 2017 Coupled resonators.
Firefly algorithm.
Guided waves.
Micro-optical devices.
Modulators.
Optimization.
Optoelectronics.
p-i-n diodes.
Bioluminescence.
Conformal mapping.
Diodes.
Frequency response.
Guided electromagnetic wave propagation.
Optical resonators.
Optoelectronic devices.
Resonators.
Time domain analysis.
Coupled resonator.
Firefly algorithms.
Microoptical devices.
PiN diode.
Ring resonator.
Light modulators.
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18 مقاله On the chromatic number of generalized kneser graphs Jafari, A. University of Calgary, 2017
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19 مقاله Interface between tire and pavement Jafari, K. 2017 British pendulum tester.
Polymer concrete.
Tire-pavement interface.
Abrasion.
Asphalt concrete.
Cements.
Compressive strength.
Concretes.
Crashworthiness.
Energy dissipation.
Friction.
Impact strength.
Pendulums.
Tires.
Tribology.
Wear resistance.
British Pendulum.
Cement concrete.
Direct shear test.
Loaded wheel tester.
Polymer concretes.
Sliding friction coefficient.
Tire pavement.
Pavements.
Asphalt.
Cement.
Concrete.
Interface.
Pavement.
Shear test.
Sliding.
Testing method.
Tire.
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20 مقاله Tannakian formalism for fiber functors over tensor categories Jafari, A. 2017 Fiber functor.
Framed object.
Hopf algebra.
Hopf algebroid.
Module category.
Tannakian category.
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Total 583 records