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Gold on graphene as a substrate for surface enhanced Raman scattering study
Gold on graphene surface enhanced Raman scattering study
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2010/11/18
In this paper, we report our study on gold (Au) films with different thicknesses deposited on single layer graphene (SLG) as surface enhanced Raman scattering(SERS) substrates for the characterization...
Particle-scale structure in frozen colloidal suspensions from small angle x-ray scattering
Particle-scale structure frozen colloidal suspensions small angle x-ray scattering
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2010/11/19
During directional solidification of the solvent in a colloidal suspension, the colloidal particles segregate from the growing solid, forming high-particle-density regions with structure on a hierarch...
Lectures on Scattering Amplitudes in String Theory
Scattering Amplitudes String Theory
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2010/12/22
In these lecture notes, we take a closer look at the calculation of scattering amplitudes for the bosonic string. It is believed that string theories form the UV completions of (super)gravity theorie...
Time-delay of classical and quantum scattering processes: a conceptual overview and a general definition
Time-delay classical quantum scattering processes conceptual overview general definition
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2010/11/8
We present a step by step introduction to the notion of time-delay in classical and quantum mechanics, with the aim of clarifying its foundation at a conceptual level. In doing so, we motivate the in...
One dimensional scattering of a two body interacting system by an infinite wall
One dimensional scattering two body interacting system infinite wall
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2010/11/11
The one-dimensional scattering of a two body interacting system by an infinite wall is studied in a quantum-mechanical framework. This problem contains some of the dynamical features present in the co...
Scattering and bound states by localized potentials
Scattering bound states localized potentials
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2010/11/5
A simple formalism for exploring quantum scattering and possible bound states in an arbitrary symmetric and localized potential in a unified way is presented. The symmetric square barrier and well pot...
Waveguide QED: Many-Body Bound State Effects on Coherent and Fock State Scattering from a Two-Level System
Waveguide QED Many-Body Bound State Effects Coherent Fock State Scattering Two-Level System
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2010/10/21
Strong coupling between a two-level system (TLS) and bosonic modes produces dramatic quantum optics effects. We consider a one-dimensional continuum of bosons coupled to a single localized TLS, a syst...
The scattering amplitude of ultracold atoms near the p-wave magnetic Feshbach Resonance
The scattering amplitude ultracold atoms p-wave magnetic Feshbach Resonance
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2010/11/9
Most of the current theories on the p-wave superfluid in cold atomic gases are based on the effective-range theory for the two-body scattering, where the low energy p-wave scattering amplitude $f_1(k)...
Quantum Entanglement Initiated Super Raman Scattering
Quantum Entanglement Initiated Super Raman Scattering
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2010/10/21
It has now been possible to prepare chain of ions in an entangled state and thus question arises — how the optical properties of a chain of entangled ions differ from say a chain of independent partic...
s-wave scattering and the zero-range limit of the finite square well in arbitrary dimensions
s-wave scattering zero-range limit finite square arbitrary dimensions
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2010/10/19
We examine the zero-range limit of the finite square well in arbitrary dimensions through a systematic analysis of the reduced, s-wave two-body time-independent Schr¨odinger equation. A natural conseq...
Scattering of Woods-Saxon Potential in Schrodinger Equation
Schr¨odinger equation Woods-Saxon potential Heun Function Scattering Positiondependent mass
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2010/10/21
The scattering solutions of the one-dimensional Schr¨odinger equation for theWoods-Saxon potential are obtained within the position-dependent mass formalism. The wave functions, transmission and refle...
Hadronic light-by-light scattering contribution to the muon g－2
muon anomalous magnetic moment hadronic contributions effective field
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2010/5/7
We review recent developments concerning the hadronic light-by-light scattering contribution to the anomalous magnetic moment of the muon. We first discuss why fully off-shell hadronic form factors sh...
Scattering on two Aharonov-Bohm vortices with opposite fluxes
Aharonov-Bohm vortices opposite fluxes
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2010/4/2
The scattering of an incident plane wave on two Aharonov-Bohm vortices with opposite fluxes is considered in detail. The presence of the vortices imposes non-trivial boundary conditions for the partia...
Photon generation by laser-Compton scattering at the KEK-ATF
Compton ILC mode locked laser optical resonant cavity polarized positron source pulse laser stacking
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2010/3/16
We performed a photon generation experiment by laser-Compton scattering at the KEK-ATF, aiming to develop a Compton based polarized positron source for linear colliders. In the experiment, laser pulse...
Inelastic Production of J/psi Mesons in Photoproduction and Deep Inelastic Scattering at HERA
Photoproduction Deep Inelastic Scattering
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2010/3/15
A measurement is presented of inelastic photo- and electroproduction of J/psi mesons in ep scattering at HERA. The data were recorded with the H1 detector in the period from 2004 to 2007. Single and d...