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14th International Conference on Group IV Photonics
14th International Conference Group IV Photonics
2017/7/17
The Group IV Photonics Conference (GFP 2017), now in its 14th year, delivers insights on current and future innovations in Group IV element-based photonic materials and devices, including silicon phot...
欧洲原子系统组第四十九次会议（The 49th Conference of the European Group on Atomic Systems）
欧洲原子系统组 第四十九次 会议
2017/7/11
The 49th Conference of the European Group on Atomic Systems (EGAS) will be held at Durham University in the United Kingdom from 17th to 21st July, 2017. EGAS is a division of the European Physical Soc...
Group blazes path to efficient,eco-friendly deep-ultraviolet LED
Group eco-friendly deep-ultraviolet LED
2017/3/14
The darkest form of ultraviolet light, known as UV-C, is unique because of its reputation as a killer – of harmful organisms.With wavelengths of between 200 and 280 nanometers, this particular form of...
The 49th Conference of the European Group on Atomic Systems (EGAS) will be held at Durham University in the United Kingdom from 17th to 21st July, 2017. EGAS is a division of the European Physical Soc...
The Topical Group on Hadronic Physics (GHP) workshop provides a great opportunity for nuclear and particle physicists to meet and discuss their common interests in hadronic interactions. The workshop ...
THE STEINBERG TORUS OF A WEYL GROUP AS A MODULE OVER THE COXETER COMPLEX
Hyperplane arrangement Coxeter complex Steinberg torus
2015/8/14
Associated to each irreducible crystallographic root system , there is a certain
cell complex structure on the torus obtained as the quotient of the ambient space by the
coroot lattice of . This i...
Negative Group Velocity and Spin-Flip in Microwave Adaptors
Negative Group Velocity and Spin-Flip Microwave Adaptors Optics
2012/5/28
A Fabry-Perot like interferometer with two microwaveguide adaptors as reflectors creates a passive dielectric medium with a negative group delay time due to polarization shift. A rotational strain of ...
Quantification of group chasing and escaping process
Quantification of group chasing escaping process Computational Physics
2012/4/19
We study a simple group chase and escape model by introducing new parameters with which configurations of chasing and escaping in groups are classified into three characteristic patterns. In particula...
FlowPy - a numerical solver for functional renormalization group equations
FlowPy numerical solver functional renormalization group equations
2012/2/29
FlowPy is a numerical toolbox for the solution of partial differential equations encountered in Functional Renormalization Group equations. This toolbox compiles flow equations to fast machine code an...
The Fourier U(2) Group and Separation of Discrete Variables
discrete coordinates Fourier U(2) group Cartesian pixellation polar pixellation
2011/9/9
The linear canonical transformations of geometric optics on two-dimensional screens form the group Sp(4;<), whose maximal compact subgroup is the Fourier group
U(2)F; this includes isotropic and anis...
The helical phase of chiral nematic liquid crystals as the Bianchi VII(0) group manifold
The helical phase chiral nematic liquid crystals the Bianchi VII(0) group manifold
2011/9/13
We show that the optical structure of the helical phase of a chiral nematic is naturally associated with the Bianchi V II0 group manifold, of which we give a full account. The Joets-Ribotta metric gov...
Exact density functional theory with the density matrix renormalization group
density functional theory density matrix renormalization group electronic structure models
2011/8/17
Abstract: Combining density functional theory with controlled numerical methods for strongly correlated systems could greatly extend the range of both. We use the density matrix renormalization group ...
Spinors and Voros star-product for Group Field Theory: First Contact
Spinors Voros star-product Group Field Theory General Relativity and Quantum Cosmology
2011/10/10
Abstract: In the context of non-commutative geometries, we develop a group Fourier transform for the Lie group SU(2). Our method is based on the Schwinger representation of the Lie algebra su(2) in te...
Breakdown of the photon lifetime concept in optical cavities with negative group delay
the photon lifetime optical cavities negative group delay
2011/8/18
Abstract: The concept of photon lifetime in a cavity is shown to be non-relevant in the case where the cavity round-trip group delay is negative due to the presence of a strong intracavity negative di...
The Similarity Renormalization Group with Novel Generators
Novel Generators Renormalization Group
2011/7/20
The choice of generator in the Similarity Renormalization Group (SRG) flow equation determines the evolution pattern of the Hamiltonian.