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Tight bounds for LDPC and LDGM codes under MAP decoding
Conditional entropy Low Density Parity Check Codes Maximum A Posteriori probability decoding Spin glasses Statistical physics
2015/8/21
A new method for analyzing low density parity check (LDPC) codes and low density generator matrix (LDGM) codes under bit maximum a posteriori probability (MAP) decoding is introduced. The method is ba...
Tight Focusing of Light Beams: Effect of Polarization, Phase, and Coherence
Tight Focusing Light Beams Effect of Polarization Phase Coherence
2013/7/3
The focusing theory of electromagnetic waves has been well developed. A scalar wave theory satisfactorily describes the focusing process for a small semi-aperture angle. However, the vectorial charact...
Tight focusing properties of hybridly polarize d vector beams
Tight focusing properties hybridly polarize dvector beams
2013/7/3
We theoretically investigate the tight focusing properties of hybridly polarized vector beams. Some numerical results are obtained to illustrate the intensity, phase, and polarization of tightly focus...
Tight focusing of partially polarized vortex beams by binary phase Fresnel zone plates
partially polarized vortex beams high numerical aperture binary phase Fresnel zone plates
2013/7/3
Based on vectorial Debye theory, the focusing properties of partially polarized vortex beam by high numerical aperture Fresnel zone plate are investigated. The effects of the numerical apertures of an...
Tight focusing properties of linearly polarized Gaussian beam with a pair of vortices
Tight focusing High numerical-aperture Apairofvortices Vector Debye integral Topological charge
2013/7/3
The properties of a pair of vortices embedded in a Gaussian beam focused by a high numerical-aperture are studied on the basis of vector Debye integral. The vortices move and rotate in the vicinity of...
Tight focusing of a double-ring-shaped, azimuth ally polarize d beam
Tight focusing a double-ring-shaped azimuth ally polarize d beam
2013/7/3
We study the focusing properties of a double-ring-shaped azimuthally polarized beam through an annular high NA objective lens. It is shown that a subwavelength focal hole (～ 0:5λ) with a quite long de...
Quantum rotor theory of spinor condensates in tight traps
Quantum rotor theory of spinor condensates tight traps
2010/11/23
In this work, we theoretically construct exact mappings of many-particle bosonic systems onto
quantum rotor models. In particular, we analyze the rotor representation of spinor Bose-Einstein condensa...
30 kV coaxial vacuum-tight feedthrough for operation at cryogenic temperatures
HV feedthrough Cryogenic detectors Liquid Argon TPC
2011/1/5
In this paper we describe the technology of building a vacuum-tight high voltage feedthrough which is able to operate at voltages up to 30 kV. The feedthrough has a coaxial structure
with a grounded ...
30 kV coaxial vacuum-tight feedthrough for operation at cryogenic temperatures
30 kV coaxial vacuum-tight feedthrough cryogenic temperatures
2010/11/16
In this paper we describe the technology of building a vacuum-tight high voltage feedthrough which is able to operate at voltages up to 30 kV. The feedthrough has a coaxial structure with a grounded ...
Tight focusing of partially coherent, partially polarized vortex beams
tight focusing partially coherent partially polarized vortex
2013/7/3
We study the tight focusing properties of partially coherent, partially polarized vortex beams through a high numerical aperture (NA) objective. The influence of the degree of polarization,the topolog...
Tight Bounds for Classical and Quantum Coin Flipping
Tight Bounds for Classical Quantum Coin Flipping
2010/10/21
Coin flipping is a cryptographic primitive for which strictly better protocols exist if the
players are not only allowed to exchange classical, but also quantum messages. During the past
few years, ...
Tight focusing of partially coherent and circularly polarized vortex beams
Tight focusing partially coherent circularly polarized vortex beams
2013/7/3
Based on the vectorial Debye theory, the tight focusing properties of partially coherent and circularly polarized vortex beams are investigated. The focused characteristics of right-circular and left-...
Tight focus ing of elliptic ally polarized vortex beams
Tight focusing elliptic ally polarized vortex beams
2013/7/3
We study the focusing properties of elliptically polarized vortex beams. Based on vectorial Debye theory,some numerical calculations are given to illustrate the intensity and phase distribution proper...
Statistics of Eigenfunctions in 1D Tight Binding Model:
Distribution of Riccati Variable
one-dimensional tight binding model distribution of Riccati
variable Lorentzian distribution
2007/8/15
2001Vol.36No.3pp.271-280DOI:
Statistics of Eigenfunctions in 1D Tight Binding Model:
Distribution of Riccati Variable
WANG Wen-Ge
Department of Physics, Southeast Univer...
Quantum network architecture of tight-binding models with substitution sequences
Quantum network architecture of tight-binding models substitution sequences
2010/10/15
We study a two-spin quantum Turing architecture, in which discrete local rotations { m} of the Turing head spin alternate with quantum controlled NOT-operations.Substitution sequences are known to und...