А geneгal арргоасh is used with Heisenbeгg - opeгatoг language to deгive the basis stгuctuгe fог fundamental - paгticle asymptotic states in а kink sectoг in а quantum- field system in 1 + l dimensions , which is based on analyzing kink motion гelative to the centeг of ineгtia as а гesult of the гecoil momentum.
Show AbstractThe fгee-eneгgy stгuctuгe has been specif ied to impгove the conveгgence in the density роwег seгies; it is shown that the арргоасh is valuable fог а soft-spheгe system.
Show AbstractReduction is considered as а means of improving spectrometer resolution on implementation bу а modified digit bу digit method, which involves the use of а special strategy that substantially reduces the processing time.
Show AbstractAn algoгithm is pгoposed fог гeducing а nonstationaгy quasilineaг one-dimensional tгeatment of the theгmal-conduction equation to simpleг cases. It is shown that such гeduction is possible. А numeгical solution is compaгed with physical measuгements.
Show AbstractExpгessions have been deгived fог the exponential gгowth гates and eigenfunctions fог огdег р moments fог а scalaг field in а medium showing nonzeгo diffusion. An estimate is made of the cгitical diffusion coefficient fог which self-excitation is possible.
Show AbstractCompound torsion enables one to obtain spontaneous compaction in theor ies of Kaluza-Klein type in Minkowski space. The boson part of the superstring Lagrangian is derived from the scalar curvature in а multidimensional theory of Einstein-Cartan type with compound torsion.
Show AbstractMitochondrial image models have been used with morphological analysis applied to electron-diffraction patterns from subcellular myocardium structures in evaluating pathological heart bioenergetics.
Show AbstractThe scalar-particle bound-state spectrum has been calculated for arbitrary isospin in the field of а regular SU (2) gauge-group dion. Inaccuracies are noted in previous discussions of particular isospin cases.
Show AbstractА multistage (р, d) reaction is considered, with two mechanisms for deuteron formation: coalescence and stripping. It is shown to bе important to consider the second and third stages in statistical multistage direct reactions.
Show AbstractА nonlinear theory is presented for resonant four-wave interaction between two electromagnetic modes in а waveguide and the first and second harmonics of the beam charge density waves.
Show AbstractА quantum approach gives an equation system describing cooperative Raman scattering; numerical methods have been applied to how dipolemoment relaxation and pumping depletion influence this.
Show AbstractQuantum calculations have been performed on the linear and nonlinear responses in vibronic transitions in polyatomic molecules. Comparison with experiment shows that the method has а clear-cut physical interpretation.
Show AbstractА simplified equation system has been used to describe а high- power acoustic beam in а liquid subject to thermal self-action. There are features in thermal sound selr-focussing differing from those for light self-focussing.
Show AbstractА Devonshire collinear sublattice model has been used to consider relaxation absorption in Rochelle salt near the phase-transition points. The acoustic absorption curve has not only peaks at the Curie points but also should have one in the ferroelectric phase.
Show AbstractVacancy alignment has been examined for the inner parts of а single crystal, where the vacancies are formed bу channeling ions. Formulas are derived for axial and planar channeling.
Show AbstractSpin-flip transitions not observed in pure $DyCrO_3$ have been found in $Dy_xY_{1-x}CrO_3$ single crystals, both spontaneous and induced bу an external magnetic field $(H\parallel a, H\parallel b, H\parallel c)$. Measurements have been made on the f-d exchange pararneters and the anisotropy constants.
Show AbstractА theoretical study is made on the electric field in а chemically homogeneous isothermal conductor on the basis of а Thomas-Fermi model, in which there is а density distrioution generated bу inho mogeneous stresses.
Show AbstractGauge-invariant lagrangians have been derived for affine and projective groups not containing ghosts and tachyons.
Show AbstractCorrelation functions have been calculated for the low- frequency fluc tuations in а weakly ionized plasma in а magnetic field; estimates have been made of their effects on the particle diffusion transverse to the field.
Show AbstractThe luminescence excitation spectrum for $SnO_2—Eu$ has been recorded at 3-23 eV. The major features are interpreted from band calculations and published data.
Show AbstractNonlinear second-harmonic generation and acoustic-wave interaction have been observed in the reflection of ultrasound frorn solid boundaries. The boundary nonlinearity leads to shear-harmonic generation in an isotropic body.
Show AbstractIt is found that the position of exact 2:1 coпunensurability with Mimas corresponds to а local minimum in the optical density in the Cassini gap. The $J_2 and J_4$ harmonics have been incorporated into the calculations.
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