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14 papers · 1 filter
On Elliptic Genera and Foliations
Kefeng Liu, Xiaonan Ma, Weiping Zhang
We prove several vanishing theorems for a class of generalized elliptic genera on foliated manifolds, by using classical equivariant index theory. The main techniques are the use o…
Rigidity and Vanishing Theorems in K-Theory I
Kefeng Liu, Xiaonan Ma, Weiping Zhang
In this paper, we first establish a K-theory version of the equivariant family index theorem for a circle action, then use it to prove several rigidity and vanishing theorems on th…
Adiabatic Gravitational Perturbation During Reheating
W. B. Lin, X. H. Meng, X. M. Zhang
We study the possibilities of parametric amplification of the gravitational perturbation during reheating in single-field inflation models. Our result shows that there is no additi…
Quark mean field model for nuclear matter and finite nuclei
H. Shen, H. Toki
We study nuclear matter and finite nuclei in terms of the quark mean field (QMF) model, in which we describe the nucleon using the constituent quark model. The meson mean fields, i…
Mass formulas and thermodynamic treatment in the mass-density-dependent model of strange quark matter
G. X. Peng, H. C. Chiang, J. J. Yang +2
The previous treatments for strange quark matter in the quark mass-density-dependent model have unreasonable vacuum limits. We provide a method to obtain the quark mass parametriza…
Spectra of Baryons Containing Two Heavy Quarks in Potential Model
Sheng-Ping Tong, Yi-Bing Ding, Xin-Heng Guo +4
In this work, we employ the effective vertices for interaction between diquarks (scalar or axial-vector) and gluon where the form factors are derived in terms of the B-S equation,…