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The fractal dimension (FD) in base space of nucleic acid sequences is introduced and calculated for 14 categories of nucleic acids. It is discovered that there exists a possible statistical relation… (More)
It is proved that the photon-scattering term in Hamiltonian of Dicke problem would cause the additional squeezing effect.
Superradiance of two level atoms from a lattice of arbitrary dimension is discussed which is resonant sharply with some definite momenta of photons. Both the photon superradiant and the photon… (More)
Abstract Neutrinos with non-zero mass could gather to form a new kind of astronomical bodies: the Neutrino Astronomical Objects (NAO). We have investigated the mechanism of their formation and the… (More)
Abstract The motion and radiation of electrons in the neighbourhood of a neutral sheet are discussed. Formulae for the synchroton and cyclotron radiations in an inhomogeneous field are given. These… (More)
According to the a-model, it is shown that a new kind of compact stars, i.e. the abnormal neutron stars which consist of the abnormal neutron state, could exist in the final stages of stellar… (More)
It is shown that the dimension of a fermionic string can be reduced from 10 to 4 by introducing an SO(4) x SO(4) x SO(4) symmetry which successfully classifies the elementary leptons and quarks.