[PDF] Top 20 Scalar field theory at finite temperature in D=2+1

... 6 theory defined in D = 2 + 1-dimensional space-time and assume that the system is in equilibrium with a thermal bath at temperature ␤ −1 ...the 1 / N ... See full document

... In finite-temperature field theory it is known that a naive implementation of perturbation theory for the calculation of Feynman diagrams is ill-defined in the presence of ... See full document

... tensor field, and a is a ...invariant; in addition it leads to local field equations which are linear in the field ...Moreover, at distances much larger than the cutoff, the ... See full document

... > 2). This is the same behavior as found in [ 30 , 31 ...already, in event generators massive vector particles are modeled using the Hawking fluxes for the Maxwell field and a massless ... See full document

... for d = 2 numerically for a wide range of values of η and ...≤ 1 we can fine tune γ in such a way as to obtain a non-trivial regular fixed point ...Fig. 1). In fact simple ... See full document

... n→1 2(C 2,0 (t)+C 0,2 ...sets in, the points corresponding to different subsystem sizes ...twist field two-point ...subsystem finite sizes and the presence of a contribution to the ... See full document

... goal, in the present article, is to use the density matrix functional in a scalar field theory with quartic interaction to demonstrate a simple relationship between effective actions ... See full document

... restoration in- duced by both temperature and spatial boundaries. In par- ticular, we are interested in studying the influence of a finite chemical potential in the context of ... See full document

... fixed at t = 0. In this picture the instanton is a well localised extended object with a size of the order ...coordinate field Y as the Euclidean time ...fixed in the center of the ... See full document

... gauge field has been considered only for the parity vio- lating term of the effective action, it also contributes to the parity invariant one and this may result in extra effects on quantities such as the ... See full document

... the finite-temperature counterpart of the boundary states ...expressed in terms of bosonic string operators and states, one has to map these objects at ...thermo field techniques @51#, ... See full document

... come in many different packages, with many different advantages – and ...edge at the cutoff, resulting in enormous reductions in noise and very little attenuation of the ...large in ... See full document

... singularities in the four-point function, but if we consider the degenerate four-point function, the Liouville path integral is still controlled by the ”singular” solutions, proving then that ...emerges in ... See full document

... the temperature increases with an increase of the cutting speed with different rake ...the temperature on the cutting speed is more pronounced for an increase from 0 –10 ...the temperature seems to ... See full document

... This does not make sense since they are constant. We hence conclude that for the general Robin boundary condition (β ≠ 0), the two-point function G does not satisfy Eq. (1) . Therefore the vacuum j0i cannot be ... See full document

... (a) in figure 3 we have two bulk bands that start at the dielectric light line and merge into a narrow band approximating a straight line with a constant group velocity for high values of k x ... See full document

... waves in the near-equatorial region may practically decouple the field line oscillation in the Northern and Southern magnetospheric ...observed at high latitudes in the night time ... See full document

... dark scalar oscillates about the origin in a quadratic potential until the present day, while for a negative coupling it undergoes spontaneous symmetry breaking and oscillates about a non-vanishing vacuum ... See full document

... framework, in which the role of GR as a fundamental underlying theory is replaced by the Brans-Dicke (BD) scalar-tensor theory [43], have been formulated in [3, ...56–59]. In the ... See full document

... candidates in fact did not have an event horizon? This sounds like a leap of faith, because event horizons are predicted by the simplest and most natural solutions of classical General Relativity that describe ... See full document