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环路空间，超对称与指标理论研讨会将于2017.7.17-7.21在南开大学陈省身数学研究所举行。
International Workshop on Loop Space, Supersymmetry and Index Theory
International Workshop Loop Space, Supersymmetry and Index Theory
2017/2/15
Chern Institute of Mathematics (CIM) was founded through the initiative of the late Professor Shiing-Shen Chern, who was also the first director of the Institute until 1992. The institute is located i...
Supersymmetry Flows, Semi-Symmetric Space Sine-Gordon Models And The Pohlmeyer Reduction
Supersymmetry Flows Semi-Symmetric Space Sine-Gordon Models Pohlmeyer Reduction
2011/3/3
We study the extended supersymmetric integrable hierarchy underlying the Pohlmeyer reduction of superstring sigma models on semi-symmetric superspaces F/G.
Supersymmetry approach to Wishart correlation matrices: Exact results
Wishart correlation matrices
2011/1/18
We calculate the marginal probability density of real and complex Wishart correlation matrices. For deep mathematical reasons,no explicit expression could be obtained for the real case so far.
Exotic supersymmetry of the kink-antikink crystal, and the infinite period limit
Exotic supersymmetry kink-antikink crystal infinite period limit
2011/3/3
Some time ago, Thies et al. showed that the Gross-Neveu model with a bare mass term possesses a kink-antikink crystalline phase. Corresponding self-consistent solutions, known earlier in polymer physi...
Group-Theoretical Classification of BPS and Possibly Protected States in D=4 Conformal Supersymmetry
Group-Theoretical Classification of BPS Possibly Protected States D=4 Conformal Supersymmetry
2011/3/3
We use earlier results on the classification of the positive energy unitary irreducible representations of the N-extended D=4 conformal superalgebras su(2,2/N). These results are applied to the reduct...
Supersymmetry transformations for singular potentials
Supersymmetry transformations singular potentials
2011/3/2
Wemake a detailed study of the first and second-order SUSYpartners of a one-dimensional free Hamiltonian with a singular perturbation proportional to a Dirac delta function. It is shown that the secon...
Properties of the 1/cosh(t) Laser Pulse, Supersymmetry, and the sine-Gordon Equation
Properties of the 1/cosh(t) Laser Pulse Supersymmetry sine-Gordon Equation
2011/1/21
In this Letter, we explain a well-known but little understood effect in Laser Physics: when a
two-level atom, initially in the ground state, is subjected to a 1/ cosh(t) laser pulse, it remains in th...
SU(5)-invariant decomposition of ten-dimensional Yang-Mills supersymmetry
SU(5)-invariant decomposition ten-dimensional Yang-Mills supersymmetry
2010/12/16
The N=1, d=10 superYang–Mills action is constructed in a twisted form, using SU(5) invariant decomposition of spinors in 10 dimensions. The action and its off-shell closed twisted scalar supersymmetry...