搜索结果: 1-15 共查到“理学 Z spinor”相关记录29条 . 查询时间(0.094 秒)
We prove that the essential dimension of the spinor group
Spinn grows exponentially with n and use this result to show that quadratic forms with trivial discriminant and Hasse-Witt invariant are more...
Spinor formalism and the geometry of six-dimensional Riemannian spaces
Spinor formalism geometry six-dimensional Riemannian spaces Mathematical Physics
2012/4/17
The article consists of the Russian and English variants of Ph.D. Thesis in which the answers is given on the following questions.
Long timescale dynamics of spin textures in a degenerate F=1 $^{87}$ Rb spinor Bose gas
Long timescale dynamics spin textures Rb spinor Bose gas
2011/8/17
Abstract: We investigate the long-term dynamics of spin textures prepared by cooling unmagnetized spinor gases of F=1 $^{87}$Rb to quantum degeneracy, observing domain coarsening and a strong dependen...
A New Proposal for the Picture Changing Operators in the Minimal Pure Spinor Formalism
New Proposal the Minimal Pure Spinor Formalism High Energy Physics - Theory
2011/7/27
Abstract: Using a new proposal for the "picture lowering" operators, we compute the tree level scattering amplitude in the minimal pure spinor formalism by performing the integration over the pure spi...
Fuzzy Geometry via the Spinor Bundle, with Applications to Holographic Space-time and Matrix Theory
Fuzzy Geometry the Spinor Bundle Holographic Space-time Matrix Theory
2011/7/27
Abstract: We present a new framework for defining fuzzy approximations to geometry in terms of a cutoff on the spectrum of the Dirac operator, and a generalization of it that we call the Dirac-Flux op...
Decomposition of spinor groups by the involution σ' in exceptional Lie groups
Decomposition of spinor groups involution σ' in exceptional Lie groups
2011/2/22
The compact exceptional Lie groups F4,E6,E7 and E8 have spinor groups as a subgroup as follows.
Linear space of spinor monomials and realization of the Nambu-Goldstone fermion in the Volkov-Akulov and Komargodski-Seiberg Lagrangians
Linear space of spinor monomials realization Nambu-Goldstone fermion Volkov-Akulov Komargodski-Seiberg Lagrangians
2011/3/2
The analytical algorithm previously proposed by the author for matching the Volkov-Akulov (VA) and Komargodski-Seiberg (KS) actions describing the Nambu-Goldstone (NG) fermion, is discussed.
One-loop stress tensors for scalar and spinor fields on the homogeneous spaces with G-invariant metrics
One-loop stress tensors for scalar spinor fields homogeneous spaces G-invariant metrics
2011/2/28
Vacuum expectation value of the stress-energy-momentum tensor for scalar and spinor fields is obtainted on the homogeneous space with G-invariant metrics using the orbits of coadjoint representation o...
Six Open String Disk Amplitude in Pure Spinor Superspace
Open String Disk Amplitude Pure Spinor Superspace
2010/12/23
The tree-level amplitude of six massless open strings is computed using the pure spinor formalism. The OPE poles among integrated and unintegrated vertices can be efficiently organized according to th...
Spatial Landau-Zener-Stückelberg interference in spinor Bose-Einstein condensates
Spatial spinor Bose-Einstein condensates
2010/11/24
We investigate the St¨uckelberg oscillations of a spin-1 Bose-Einstein condensate subject to a
spatially inhomogeneous transverse magnetic field and a periodic longitudinal field. We show that the ti...
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...
Spontaneously axisymmetry breaking phase in a binary mixture of spinor Bose-Einstein condensates
Spontaneously axisymmetry spinor Bose-Einstein condensates
2010/11/17
We study the ground state phases for a mixture of two atomic spin-1 Bose-Einstein condensates
(BECs) in the presence of a weak magnetic (B-) field. The ground state is found to contain a
broken-axis...
Let $S_h$ be the even pure spinors variety of a complex vector space $V$ of even dimension $2h$ endowed with a non degenerate quadratic form $Q$ and let $\sigma_k(S_h) $ be the $k$-secant variety of ...
Phase space spinor amplitudes for spin 1/2 systems
Phase space spinor amplitudes spin 1/2 systems
2010/11/5
The concept of phase space amplitudes for systems with continuous degrees of freedom is generalized to finite-dimensional spin systems. Complex amplitudes are obtained on both a sphere and a finite la...
Quantum walks and quantum simulations with Bloch oscillating spinor atoms
Quantum walks quantum simulations Bloch oscillating spinor atoms
2010/11/5
We propose a scheme for the realization of a quantum walker and a quantum simulator for the Dirac equation with ultracold spinor atoms in driven optical lattices. A precise control of the dynamics of ...