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Showing 1 to 20 of 213 for “"strong coupling"”.
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Strong coupling methods for lattice QCD
… from the numerical finite density sign problem. Strong coupling methods, expanding in the inverse gauge coupling, give rise to alternative representations of the partition function that can make the sign problem milder. This Habilitation discusses the strong coupling methods developed by the …
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Precision determination of the strong coupling constant
… Theory (SCET), an effective theory of the strong interactions appropriate for describing energetic jets. We give a factorization theorem for the process e+e- to hadrons, valid in the whole range of thrust values. This factorization theorem resums large logarithms at the N3LL accuracy and …
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Strong coupling between microwave photons and nanomagnet magnons
… physics. At present, in order to realize high coupling strength between the two subsystems, bulky ferromagnetic insulators with large spin numbers are utilized, which limit their potential applications for scalable quantum information processing. In this thesis, by enhancing single spin …
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Theory of electromagnetic properties of strong coupling and impure superconductors
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-31T15:11:34Z No. of bitstreams: 1 1966_nam.pdf: 5445339 bytes, checksum: 5192c539370d0381db6040353ce17d78 (MD5)
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Properties of quark gluon plasma at weak and strong coupling
… calculations that assume a plasma that is strongly coupled at all length scales. It is found that the shape of P(k1) at modest k1 may not be very different in weakly coupled and strongly coupled plasmas, but P(k1 ) must be parametrically larger in a weakly coupled plasma than in a strongly …
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Nuclear and Chiral transition using the strong coupling expansion of Lattice QCD
… representation of lattice QCD obtained via the strong coupling expansion. The nuclear transition is studied in the strong coupling limit for large quark masses, and the necessary algorithmic developments for this regime are presented. Using the dual formulation with staggered quarks, we examine …
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Progress towards strong coupling between collisionally blockaded atoms and an optical cavity
In this thesis, I present the motivation and design for an experiment in which to probe the interactions between an atom and a single photon light field. I discuss the relevant technical considerations and many of the physical phenomena that can be tested with this particular experimental system. …
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Solid state cavity QED : practical applications of strong coupling of light and matter
… for realizing polariton devices that operate in strong coupling at room temperature. Since the earliest days of cavity QED, there has been a major desire to construct solid state optical devices that operate in the limit where strong light-matter interactions dominate the dynamics. Such devices …
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The interactions of hadrons containing a heavy quark in the strong coupling limit of lattice QCD
… are calculated to leading order in the strong coupling and hopping parameter expansions for the following six systems: meson/meson, baryon/antimeson, baryon/baryon, meson/antimeson, baryon/meson and baryon/antibaryon. For each hadron/hadron system, we consider all allowed spin and …
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Electron Thermal Conductivity of Thin-Films of Strong-Coupling Superconductors and of Superconductors Containing Rare-Earth Impurities
Made available in DSpace on 2015-05-12T22:38:56Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7317607.PDF: 4346650 bytes, checksum: 90e2569ff5f67b678fda007fb1c3b2fe (MD5) Previous issue date: 1973
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Electron thermal conductivity of thin films of strong-coupling superconductors and of superconductors containing rare earth impurities
… The electron thermal conductivity Ke s of a strong-coupling superconductor and of superconductors containing rare earth impurities has been measured in this way. We have generalized the theoretical expression for Ke s of strong-coupling superconductors to include elastic scattering of the …
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Electronic excited states in quasi- one- dimensional organic solids with strong coupling of Frenkel and charge-transfer excitons
… of the excited states which result from the coupling of Frenkel and CT excitons of arbitrary strength in finite chains with idealized free ends. With the help of a partially analytical approach to determine the excitonic states of mixed Frenkel CT character by introducing a complex wave …
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Strong-Coupling Limit of Regge Trajectories in the ϕ3 Ladder Model and a Three Particle K Matrix Model
Submitted by Jesse Garrison (jagarris@illinois.edu) on 2012-01-11T18:08:24Z No. of bitstreams: 1 1974_miller.pdf: 8109299 bytes, checksum: 269f70d4e7e2f8ef96563f9f48e7801e (MD5)
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Strong-Coupling Limit of Regge Trajectories in the Phi-Cube Ladder Model and a Three Particle K Matrix Model
Made available in DSpace on 2015-05-12T22:39:10Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7511796.PDF: 3151814 bytes, checksum: 39e10b4c328137450aa4e1ed10696835 (MD5) Previous issue date: 1974
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A calorimetric measurement of the strong coupling constant in electron-positron annihilation at a center-of-mass energy of 91.6 GeV
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1994.
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Semiclassical Modeling of Optical Properties of Molecules in Cavity Environments
Radiation-matter strong coupling leading to hybrid states and thereby modified spectroscopic and chemical properties has garnered significant experimental and theoretical interest in recent years. Within Fabry-Pérot cavities, strong coupling is typically achieved by collective interactions of many …
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Highly absorptive thin films for integrated photonic devices
… of a new class of photonic devices based on the strong coupling of light and matter. In order to develop these devices into a new field of integrated photonics, methods for analysis, patterning, and deposition of the active layer are necessary. This thesis develops these methods and applies them …
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Efficient Föster energy transfer : from phosphorescent organic molecules to J-aggregate thin film
… devices. These devices, which utilize strong coupling between light and matter, include room temperature low power optical switches and low threshold lasers. Recent work has shown that a J-aggregate strong-coupling device can be powered not just optically but also electrically. However, …
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Linear and nonlinear optical processes in GaAs semiconductor microcavities
… material within a Fabry-Perot resonator leads to strong coupling between excitons and photons, giving rise to new eigenmodes called excitonpolaritons.<br/><br/>Bose-Einstein condensation, the ability for massive occupation of a quantum state is considered a fascinating property of polaritons, due …
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Critical dynamics of active phase separation: A scalar field theory approach
… Group flow that, to one loop, shows a strong coupling regime in and above its critical dimension d_c = 2 that was not present in the previous systems considered to model this physical process. This strong coupling regime is also explored numerically, showing that the equation of motion …
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