The mathematical theory of cosmic strings m anderson

... (α 2 > 0). If the symmetry is broken, the potential energy V of the false vacuum is larger THE MATHEMATICAL THEORY OF COSMIC STRINGS COSMIC STRINGS IN THE WIRE APPROXIMATION The Nielsen–Olesen ... unification. Most accounts of the formation of cosmic strings offer only a heuristic explanation of the mechanism or illustrations from condensed matter p...

Ngày tải lên: 17/03/2014, 14:48

... are the components of the mean velocity of either constituent, and so of the mixture: and that the mean kinetic energies of peculiar motion of molecules of the two constituents are the same, ... pressure of, say, icoatm., on the other hand, the free path is comparable with the dimensions of a molecule; in this case the assumption of molecular chaos ma...

Ngày tải lên: 13/02/2014, 23:20

... over the mesh. Take a point in each of these meshes and find the component of the electric intensity at that point in the direction of the ELEMENTS OF THE MATHEMATICAL THEOKY OF ELECTRICITY AND MAGNETISM BY SIR J. J. THOMSON, M. A., D.Sc., ... Art. 3. Thus, supposing the body to be negatively electrified, the positive electrification will be on the disc, while...

Ngày tải lên: 04/06/2014, 12:29

... classical theory, namely, the response of investment and the response of the amount saved out of a given income to change in the rate of interest, do not furnish material for a theory of the rate of ... modifying its assumption as to the amount of the given income out of which the savings are to be made. The independent variables of the classical t...

Ngày tải lên: 15/12/2013, 21:15

Ngày tải lên: 30/12/2013, 10:45

... and Investment are the determinates of the system, not the determinants. They are the twin results of the system’s determinants, namely, the propensity to consume, the schedule of the marginal ... types of industry are such that the ratio of the increment of employment in the one set of industries to the increment of demand which has stimulated it wi...

Ngày tải lên: 31/12/2013, 23:30

... replicase origin of the ribosome, and what has be- come the most commonly held model for the origin of tRNA. In modern biological systems, the components of DNA are synthesized from RNA components [ ... stem has the important roles in the modern ribosome of decoding the mRNA message and in the movement of the two subunits rela- tive to each other (including translo...

Ngày tải lên: 13/03/2014, 19:12

... too much. He stood in the dynamic path of Lansa, Lord of the Scaly Ones, the crafty monster bent on conquering the fair City of Larr and all the rich, shadowless lands of the glorious Amazons of ... pair fell to. Mike stepped out of range of the flying chips to sit at the edge of the soft grass which was attempting another invasion of the gravel shoulder....

Ngày tải lên: 14/03/2014, 15:20

... hierarchy of Petri net languages on the number of transitions and places of their recog- nizing nets. 1 Preliminaries As well-known, the Petri net is a mathematical model of parallel ... Lindenmayer systems was earlier considered by some authors, (see [2-31). As we shall see in the sequel, in the theory of growth function, only the state growth spee...

Ngày tải lên: 15/03/2014, 12:20

... generator of G is called the irreducible polynomial of α over k. ϕ(x) may be made by multiplying by a suitable element of k. This monic polynomial we shall call the minimum polynomial of α. 3. ... isomorphism comes from an automorphism of Ω/k, it follows that k(α (i) ) are all the distinct isomorphic images of k(α). Thus 1) Number of distinct k-isomorphisms of k(α) in Ω...

Ngày tải lên: 16/03/2014, 15:20