Results 21 to 30 of about 8,826,255 (198)

Exact N=2 Landau-Ginzburg Flows

open access: yes, 1993
We find exactly solvable N=2-supersymmetric flows whose infrared fixed points are the N=2 minimal models. The exact S-matrices and the Casimir energy (a c-function) are determined along the entire renormalization group trajectory.
Affleck   +40 more
core   +1 more source

Energy Communities, Renewables, and Electric Mobility in the Italian Scenario: Opportunities and Limitations in Historic Town Centers

open access: yesEnergies
The emergence of energy communities in the energy transition world could be beneficial for sustainable development, particularly in ancient town centers.
Muhammad Jawad Ul Hassan   +3 more
doaj   +1 more source

Physical States in d=3,N=2 Supergravity

open access: yes, 1993
To clarify some issues raised by D'Eath's recent proposal for the physical states of $N=1$ supergravity in four dimensions, we study pure (topological) $N=2$ supergravity in three dimensions, which is formally very similar, but much easier to solve.
de Wit, B.   +2 more
core   +2 more sources

An In-Place Sorting with O(n log n) Comparisons and O(n) Moves

open access: yes, 2003
We present the first in-place algorithm for sorting an array of size n that performs, in the worst case, at most O(n log n) element comparisons and O(n) element transports.
Franceschini, Gianni, Geffert, Viliam
core   +2 more sources

The Large N Limit and the High Temperature Phase Transition for the \phi^4 Theory [PDF]

open access: yes, 1993
We study, with various methods (standard large N evaluation of the functional integral for the effective potential, solution of the Schwinger-Dyson equations), the high temperature phase transition for the $N$-component $\phi^4$ theory in the large $N ...
Abbott   +31 more
core   +1 more source

Equivalence of Two Dimensional QCD and the $c=1$ Matrix Model

open access: yes, 1993
We consider two dimensional QCD with the spatial dimension compactified to a circle. We show that the states in the theory consist of interacting strings that wind around the circle and derive the Hamiltonian for this theory in the large $N$ limit ...
't Hooft   +22 more
core   +2 more sources

Effective Critical Exponents for Dimensional Ccrossover and Quantum Systems from an Environmentally Friendly Renormalization Group [PDF]

open access: yes, 1993
Series for the Wilson functions of an ``environmentally friendly'' renormalization group are computed to two loops, for an $O(N)$ vector model, in terms of the ``floating coupling'', and resummed by the Pad\'e method to yield crossover exponents for ...
B. G. Nickel   +21 more
core   +2 more sources

The (N,M)-th KdV hierarchy and the associated W algebra

open access: yes, 1993
We discuss a differential integrable hierarchy, which we call the (N, M)$--th KdV hierarchy, whose Lax operator is obtained by properly adding $M$ pseudo--differential terms to the Lax operator of the N--th KdV hierarchy. This new hierarchy contains both
Bonora, L., Xiong, C. S.
core   +1 more source

New Arc Stability Index for Industrial AC Three-Phase Electric Arc Furnaces Based on Acoustic Signals

open access: yesSensors, 2020
This research proposes a new index to evaluate the stability of the melting process, in three-phase electric arc furnaces (EAFs), based on the acoustic signals generated during the different stages of the casting. The proposed stability index is obtained
Juan Guerra-Serrano   +6 more
doaj   +1 more source

A W-String Realization of the Bosonic String

open access: yes, 1993
It has recently been shown that the ordinary bosonic string can be represented by a special background of N=1 or N=2 strings. In this paper, it will be shown that the bosonic string can also be represented by a special background of $W$-strings.Comment ...
Berkovits   +12 more
core   +1 more source

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