Showing papers in "Physics Reports in 1978"

TL;DR: In this paper, a set of characteristic geometric functions is defined, which depend in detail on the microscopic geometry of the material under discussion, but whose general analytical properties can be derived.

TL;DR: In this article, the physics of quarks and leptons within the framework of gauge theories for the weak and electromagnetic interactions are discussed, and the possibility of unifying the weak, electromagnetic and strong interactions in a grand unification scheme is reviewed.

TL;DR: In this paper, a review of the theoretical interpretation of charmonium properties is given and a classification of the electromagnetic and strong decays are discussed, based on the assumption that the strong interaction between charmed quark and charmed antiquark in charmium is mediated by coloured gluons as described by Quantum Chromodynamics.

TL;DR: A survey of the properties of soliton-type solutions to non-linear wave equations appearing in various fields of physics is given in this paper, where the results of computer experiments on the dynamics of the formation and interaction (in one-space-dimensional geometry) of solit-type objects are presented at length.

TL;DR: A review of neutrino oscillations can be found in this article, where it is shown that the hypothesis of lepton mixing is not in contradiction with the existing data if |m12−m22| ⪅ 1 (eV)2.

TL;DR: In this paper, a detailed description of the diagram-free exp S many-body theory for fermions is given, and several necessary conditions to be observed in approximation schemes are derived and discussed.

TL;DR: In this paper, the authors present a generalization of the Langevin equation for the canonical density matrix and show that the generalized Langevin equations can be used to obtain the Doob-Ito-Stratonovich calculi.

TL;DR: In this paper, the quantum theory of solitons is described, and the scattering matrix for the processes with soliton is defined within the functional integral formalism, where the Lorentz-invariant perturbation theory is consistently set up.

TL;DR: In this paper, the authors studied the dynamics of weak Langmuir turbulence and showed that the number of polynomial conserved densities (p.c.d.) of solitons in a three-dimensions soliton-like structures is a function of the density of the cavitons.

TL;DR: The quark bag model is reviewed in this article with particular emphasis on spectroscopic applications and the discussion of exotic objects such as baryonium, gluonium and the quark phase of matter.

TL;DR: The resonating-group method as mentioned in this paper is a microscopic method which uses fully antisymmetric wave functions, treats correctly the motion of the total center of mass, and takes cluster correlations into consideration.

TL;DR: In this article, a new type of nuclear reaction, deep inelastic transfe, which occurs in collisions of two complex nuclei is introduced and grounded, and experimental features of the new reaction are discussed: (1) intense dissipation of collision kinetic energy, (2) anisotropic angular distributions of the reaction products, (3) broad charge and mass distribution of the products, regularities of the cross sections of reaction exit channels, (5) the neutron-to-proton ratio of the product, and (6) the two-body character of the

TL;DR: In this article, a classical friction model is presented for the description of heavy-ion induced fusion and deep inelastic nuclear reactions, compared with the available experimental data, most of which were obtained after the parameters of the model had been fixed.

TL;DR: In this paper, the effects from nuclear correlations are considered in detail and the sensitivity of differential cross sections to the one particle density and NN amplitude parameters are demonstrated.

TL;DR: In this article, the mean field theory of the Peierls instability for the Frohlich Hamiltonian of a one-dimensional electronic system which interacts with lattice modes of vibration is discussed and the properties of periodic lattice distortions and the accompanying charge density waves which result from the instability are described.

TL;DR: In this article, it was shown that the strong binding by more than twice the rest mass of the particles in overcritical external potentials leads to qualitatively new effects, such as spontaneous positron emission accompanied by creation of a charged lowest energy state, i.e. a charged vacuum.

TL;DR: A comprehensive review of the role of nucleon resonances in nuclear structure is given with emphasis on the two-, three-, and four-nucleon systems and nuclear matter in this article.

TL;DR: In this paper, the authors considered the problem of placing bounds on the mass and moment of inertia of non-rotating neutron stars assuming that the properties of the constituent matter are known below a fiducial density ϱ 0 while restricted only by minimal general assumptions above this density.

TL;DR: In this article, the effects of local magnetic anisotropy (RMA) on the magnetic properties of amorphous rare earth alloys have been examined with a view to assessing the effect of RMA on their magnetic properties.

TL;DR: The present-day state of the problem of interactions between nonrelativistic antinucleons and nucleons is reviewed in this paper, where properties of quasinuclear systems containing ant-nucleons are considered.

TL;DR: In this paper, the development of the techniques of producing slow positron beams is traced from the original experiments and applications of such beams to the measurement of cross-sections for positrons interacting in various gases and for the production of positronium in vacuum is discussed in detail.

TL;DR: In this article, a review of shell structure for spherical and a variety of deformed nuclei is presented, with special emphasis on the lightest and heaviest nuclei where the effects are most pronounced.

TL;DR: A detailed account of the theory of the Jahn-Teller effect in crystals containing (3d) n paramagnetic impurity ions is given in this article, where a complete lattice phonon system is emphasized and full details of a particularly useful multi-mode lattice model are presented.

TL;DR: In this paper, a review of the recent results concerning the kinematics of conformal fields, the analysis of dynamical equations and dynamical derivation of the operator product expansion is given.

TL;DR: In this paper, a review of the recent developments and progress in the field of RFT on a lattice is presented, with a discussion of various efforts made to elucidate the s-channel content of Reggeon Field Theory.

TL;DR: In this article, experimental data for the scattering of electrons by selected light atoms at intermediate energies have been collected and compared with the predictions of the theoretical models discussed in part I. The data discussed include elastic scattering and discrete excitation but ionization is not covered.

TL;DR: The physical approach used by Lamb to treat the laser can also treat the absorption of a probe wave by a medium subjected to a saturating wave, which is known as saturation spectroscopy as discussed by the authors.

TL;DR: A review of recent approaches to the theory of strong Langmuir turbulence can be found in this paper, where a large amount of space is devoted to modulational instability processes, both for the case where the plasma is pumped by a monochromatic wave, and the case when there is a broad-band incoherent pump.