Academic literature on the topic 'Weak localization scattering'

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Journal articles on the topic "Weak localization scattering"

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Stephen, Michael J. "Rayleigh Scattering and Weak Localization." Physical Review Letters 56, no. 17 (1986): 1809–10. http://dx.doi.org/10.1103/physrevlett.56.1809.

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Rhie, K., and D. G. Naugle. "Strong magnetic scattering in weak localization." IEEE Transactions on Magnetics 32, no. 5 (1996): 4666–68. http://dx.doi.org/10.1109/20.539112.

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YANG, Y. H. "MAGNETIC SCATTERING EFFECTS IN A QUASI-TWO-DIMENSIONAL DISORDERED ELECTRON SYSTEM." Modern Physics Letters B 14, no. 27n28 (2000): 995–1000. http://dx.doi.org/10.1142/s0217984900001257.

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The weak-localization correction to the conductivity for a quasi-two-dimensional disordered electron system is calculated in the presence of magnetic impurity scatterings. The analytical result is obtained as a function of the magnetic scattering time, and the interesting magnetic-scattering-dependent crossover behavior from 3D to 2D is discussed.
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Lu, J., B. Shen, N. J. Tang, D. J. Chen, and Y. D. Zheng. "Anti-Weak Localization of the Two Dimensional Electron Gas in Modulation-Doped AlxGa1-xN/GaN Single Quantum Well." Materials Science Forum 475-479 (January 2005): 1787–90. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.1787.

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The weak-localization of the two-dimensional electron gas (2DEG) in a modulation-doped Al0.22Ga0.78N/GaN single quantum well has been investigated through the magnetoresistance measurements. The elastic scattering time τε, dephasing time τφ and spin-orbit(s-o) scattering time τso at various temperatures are obtained. The fitting parameters indicate that the inelastic scatterings to the 2DEG are mainly due to the piezoelectric field and the alloy disorder in the AlxGa1-xN barrier. When the second subband in the triangular quantum well at the heterointerface is occupied by the 2DEG, the anti-wea
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van der Mark, Martin B., Meint P. van Albada, and Ad Lagendijk. "Light scattering in strongly scattering media: Multiple scattering and weak localization." Physical Review B 37, no. 7 (1988): 3575–92. http://dx.doi.org/10.1103/physrevb.37.3575.

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Horsell, D. W., F. V. Tikhonenko, R. V. Gorbachev, and A. K. Savchenko. "Weak localization in monolayer and bilayer graphene." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 366, no. 1863 (2007): 245–50. http://dx.doi.org/10.1098/rsta.2007.2159.

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We demonstrate quantitative experimental evidence for a weak localization correction to the conductivity in monolayer and bilayer graphene systems. We show how inter- and intra-valley elastic scattering control the correction in small magnetic fields in a way which is unique to graphene. A clear difference in the forms of the correction is observed in the two systems, which shows the importance of the interplay between the elastic scattering mechanisms and how they can be distinguished. Our observation of the correction at zero-net carrier concentration in both systems is clear evidence of the
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Zaitsau, U. A., D. A. Podryabinkin, V. V. Melnikova, A. L. Danilyuk, and S. L. Prischepa. "Localization – Weak Antilocalization Crossover in Two-Dimensional Materials with Spin-Orbit Interaction." Doklady BGUIR 21, no. 5 (2023): 20–24. http://dx.doi.org/10.35596/1729-7648-2023-21-5-20-24.

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In this paper, the patterns of manifestation of weak localization and antilocalization in graphene with enhanced spin-orbit interaction, as well as in a topological insulator with a gap in surface states induced by magnetic impurities are studied. The parameters characterizing the manifestation of weak localization, antilocalization and crossover between them are established. Quantum corrections to the conductivity of graphene are determined in units of e2/h = 38.64 μS for various ratios between the characteristic dephasing time and spin-orbit scattering time. It has been established that with
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van der Mark, Martin B., Meint P. van Albada, and Ad Lagendijk. "Erratum: Light scattering in strongly scattering media: Multiple scattering and weak localization." Physical Review B 38, no. 7 (1988): 5063. http://dx.doi.org/10.1103/physrevb.38.5063.

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LAL, R., V. P. S. AWANA, K. P. SINGH, R. B. SAXENA, H. KISHAN, and A. V. NARLIKAR. "A COMPARISON OF THE RESISTIVITY BEHAVIOR OF MgB2, AlB2 AND AgB2 SYSTEMS." Modern Physics Letters B 20, no. 16 (2006): 989–94. http://dx.doi.org/10.1142/s0217984906011116.

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Measurements have been performed on the resistivity of samples MgB 2, AlB 2 and AgB 2. The samples show presence of impurities. By analyzing the data in terms of impurity scattering, electron-phonon scattering, and weak localization, it has been found that the AlB 2 ( AgB 2) sample involves maximum (minimum) effect of the impurity, electron-phonon interaction and weak localization.
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Maret, Georg, and Pierre Etienne Wolf. "Multiple Light Scattering: Weak Localization and Dynamic Fluctuations." Physica Scripta T29 (January 1, 1989): 223–25. http://dx.doi.org/10.1088/0031-8949/1989/t29/042.

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Dissertations / Theses on the topic "Weak localization scattering"

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PIATTI, ERIK. "Electrochemical gating for superconductivity engineering in materials towards the 2D limit." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2669688.

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In this thesis work we explored the capability of electrochemical gating to reliably control the ground state of several chosen materials, with a specific focus on the engineering of the superconducting state. We also experimented with different electrolyte compositions in order to best match the electrochemical requirements of the various materials under study (e.g., chemical stability). In the presentation of the results, we will move from the thicker, bulk-like materials down to the truly two-dimensional properties of thin exfoliated single crystals. Chapter 1 presents a general analysis
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Langenfeld, Annette. "Etude de corrélations électroniques dans des systèmes désordonnés." Grenoble 1, 1993. http://www.theses.fr/1993GRE10081.

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Cette these est faite de deux parties independantes. La premiere partie traite les corrections quantiques a l'effet hall anormal. On peut montrer que les termes de l'anomalie coulombienne se compensent mutuellement en considerant la diffusion asymetrique des electrons de conduction par les moments magnetiques d'une couche metallique desordonnee. La contribution venant de la localisation faible est coupee par la diffusion asymetrique qui brise la coherence de phase. Les resultats sont en bon accord avec une experience recente sur des couches minces de fer desordonnees et ferromagnetiques. Dans
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Dunford, Jeffrey Loren. "Elastic Scattering Phenomena in Molecularly-linked Gold Nanoparticle Films." Thesis, 2008. http://hdl.handle.net/1807/16725.

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We have investigated the conductance, g, of 1,4-butanedithiol linked Au nanoparticle films as a function of temperature, T, bias potential, V, and applied magnetic field, B. An interesting temperature dependence is observed for non-metallic films with thicknesses just below a critical film thickness: g ~ exp [-(T_0/T)^(1/2)] for 20 K < T < 300 K. We show that this temperature dependence is incompatible with an Efros-Shklovskii "variable range hopping" model, since "hopping distances" are too large to be consistent with tunneling processes, and tend to scale with size of super-clusters of mol
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Books on the topic "Weak localization scattering"

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Fyodorov, Yan, and Dmitry Savin. Condensed matter physics. Edited by Gernot Akemann, Jinho Baik, and Philippe Di Francesco. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780198744191.013.35.

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This article discusses some applications of concepts from random matrix theory (RMT) to condensed matter physics, with emphasis on phenomena, predicted or explained by RMT, that have actually been observed in experiments on quantum wires and quantum dots. These observations range from universal conductance fluctuations (UCF) to weak localization, non-Gaussian thermopower distributions, and sub-Poissonian shot noise. The article first considers the UCF phenomenon, nonlogarithmic eigenvalue repulsion, and sub-Poissonian shot noise in quantum wires before analysing level and wave function statist
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Book chapters on the topic "Weak localization scattering"

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Stephen, M. J. "Weak Localization, Correlations and Fluctuations in Light Scattering from a Disordered Medium." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74893-6_14.

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Imry, Yoseph. "Quantum Transport, Anderson Localization." In Introduction to mesoscopic physics. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198507383.003.0002.

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Abstract The Bloch–Boltzmann quasiclassical theory of electronic transport in lightly disordered conductors has been quite successful in describing the impurity and temperature dependences of the conductivity in ordinary relatively pure conductors. Further transport properties such as magnetoconductivity, Hall effect, thermal conductivity, and thermopower can also be handled, often with success. However, when the amount of disorder (or impurity concentration) becomes very large, novel phenomena occur which are unexplainable within the weak-scattering theory. In particular, the temperature depe
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Bruus, Henrik, and Karsten Flensberg. "Impurity Scattering and Conductivity." In Many–Body Quantum Theory in Condensed Matter Physics. Oxford University PressOxford, 2004. http://dx.doi.org/10.1093/oso/9780198566335.003.0016.

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Abstract We now return to the problem of calculating the resistance of a metallic conductor due to scattering against impurities. The basic physics of impurity scattering was discussed in Chapter 12, where we saw how the single-particle Green’s function acquired a finite lifetime after averaging over the positions of the impurities. In Chapter 15 the conductivity was calculated within the Boltzmann equation approach. We now rederive the Boltzmann equation result starting from a microscopic quantum approach. The advantage of this microscopic approach, besides giving a first principle justificat
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Imry, Yoseph. "Quantum Transport, Anderson Localization." In Introduction to Mesoscopic Physics. Oxford University PressNew York, NY, 1997. http://dx.doi.org/10.1093/oso/9780195101676.003.0002.

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Abstract The Bloch–Boltzmann quasiclassical theory of electronic transport in lightly disordered conductors has been quite successful in describing the impurity and temperature dependences of the conductivity in ordinary relatively pure conductors. Further transport properties such as magnetoconductivity, Hall effect, thermal conductivity, and thermopower can also be handled, often with success. However, when the amount of disorder (or impurity concentration) becomes very large, novel phenomena occur which are unexplainable within the weak-scattering theory. In particular, the temperature depe
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VAN ALBADA, M. P., M. B. VAN DER MARK, and A. LAGENDIJK. "EXPERIMENTS ON WEAK LOCALIZATION OF LIGHT AND THEIR INTERPRETATION." In Scattering and Localization of Classical Waves in Random Media. WORLD SCIENTIFIC, 1990. http://dx.doi.org/10.1142/9789814340687_0002.

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Margerin, Ludovic. "Chapter 1 Coherent Back-Scattering and Weak Localization of Seismic Waves." In Advances in Geophysics. Elsevier, 2008. http://dx.doi.org/10.1016/s0065-2687(08)00001-0.

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SUGIYAMA, Tadao, and Hanoch GUTFREUND. "EFFECTS OF FORWARD SCATTERING AND INCOMMENSURATE LATTICE IN 1-D WEAK LOCALIZATION." In Proceedings of the Yamada Conference XV on Physics and Chemistry of Quasi One-Dimensional Conductors. Elsevier, 1986. http://dx.doi.org/10.1016/b978-1-4832-2812-9.50070-7.

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Conference papers on the topic "Weak localization scattering"

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ILYUSHIN, Yaroslaw. "Weak localization in highly anisotropically scattering media." In 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, edited by Gennadii G. Matvienko and Oleg A. Romanovskii. SPIE, 2020. http://dx.doi.org/10.1117/12.2574781.

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Valencia, C. I., and E. R. Méndez. "Weak Localization Effects in Second-Harmonic Light Scattering." In Photonic Metamaterials: From Random to Periodic. OSA, 2007. http://dx.doi.org/10.1364/meta.2007.tub32.

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Dubov, Victor V., and Vadim V. Korablev. "Weak localization of electrons by quasi-elastic scattering." In Fifth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, edited by Alexander I. Melker. SPIE, 2002. http://dx.doi.org/10.1117/12.456294.

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Maynard, R., and A. S. Martinez. "Time-Reversal and Reciprocity Principle Breaking in Weak Localization of Light." In Advances in Optical Imaging and Photon Migration. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/aoipm.1994.wpl.64.

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The enhancement factor of the backscattering cone in disordered media, can be assigned to the reciprocity principle. In the context of weak localization of light, the destruction of the backscattering cone can be accomplished by applying a magnetic field in an magnetic-optically active random medium. The time-reversal symmetry breaking and the reciprocity principle breaking is discussed and exemplified using Rayleigh multiple scattering.
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Maradudin, A. A. "Perturbation Theory of the Enhanced Backscattering of Light From Weakly Rough Random Metal Surfaces." In Surface Roughness and Scattering. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/surs.1992.stua1.

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The enhanced backscattering of light from a small rms height, small rms slope, one-dimensional randomly rough surface of a metal was first predicted on the basis of an infinite-order perturbation calculation that used the techniques of many-body theory and employed the concepts of weak localization theory. In this paper we present an elementary calculation of the contribution to the mean differential reflection coefficient from the incoherent component of the scattered light that is based on the first few terms in the expansion of this function in powers of the surface profile function. We sho
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van Albada, Meint P., Deiderik S. Wiersma, and Ad Lagendijk. "Experimental Evidence for Loop-Type Photon Trajectories in Random Media with Strong Disorder." In Advances in Optical Imaging and Photon Migration. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/aoipm.1994.wpl.25.

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Yoon, G., D. N. G. Roy, R. E. Benner, and R. C. Straight. "Weak localization of photons in biological tissue using a cw laser." In OSA Annual Meeting. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.mmm6.

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When light is scattered through a randomly in homogeneous medium, backscattering within a narrow cone is enhanced.1 This enhancement occurs because of the phase coherence between waves that travel the same paths in opposite directions. Recently, a femtosecond laser with a synchroscan streak camera was used to measure the enhanced backscattering.2 However, the technique is equipment-intensive. In our experiment, a simpler setup using the CCD array and cw lasers, such as a He-Ne, are used to measure the coherent peaks from biological tissues. Unlike from a liquid medium with scattering particles
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McGurn, A. R., A. A. Maradudin, R. E. Luna, E. R. Mendez, and Zu-Han Gu. "Conical scattering from a one-dimensional random surface." In OSA Annual Meeting. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.fgg4.

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We study theoretically and experimentally the scattering of light from a one-dimensional, random metal surface when the plane of incidence is parallel to the generators of the surface and perpendicular to the mean surface. The incoherent component of the scattered light is found to be confined to a conical surface whose axis of rotation is the intersection of the plane of incidence with the mean surface. Scattering anomalies associated with weak localization are observed in both co-polarized and cross-polarized scattering. Theoretical results are presented for the scattering of visible light f
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Muhlestein, Michael B., Benjamin M. Goldsberry, Caleb F. Sieck, and Michael R. Haberman. "Analytical and Numerical Investigation of Scattering From Bianisotropic Acoustic Media." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72672.

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Scattering from fluid domains with dissimilar material properties is of foundational importance to many application areas in acoustics and elastic wave propagation. For example, biomedical ultrasound and sonar both make use of acoustic field scattering for localization, imaging, and identification of objects. The theory of acoustic scattering from fluid and elastic materials is well established and has been validated with numerical and physical experiments. Recent work in acoustic and elastic meta-materials has shown that materials with subwavelength asymmetry have a macroscopic response chara
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Brady, David, George Papen, and John Sipe. "Photon localization in radially distributed dielectric resonators." In OSA Annual Meeting. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.fee5.

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Electromagnetic propagation is inhibited over the complete solid angle for a finite range of frequencies, and localized modes arise in perfect dielectrics with radially periodic indices of refraction. The electromagnetic properties of such structures are similar to periodic photonic band structures, but radial perturbations scatter weakly away from the Bragg resonance and yield a gap for arbitrarily weak index perturbations. The simplest radial perturbation is δn = Δn o cos(Kr). In 3-D, this perturbation causes narrow gaps and true localized modes. 2-D systems are constructed by radially pertu
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