# Quantum interferences in attosecond physics - Lund

363723_Gänghandbok_Part Förtexter_s-20.indd - documen.site

We study bosonization of the sine-Gordon theory in the presence of boundary interactions at the free fermion point. In this way we obtain the boundary S-matrix A note on a boundary sine-Gordon model at the free-Fermion point Rajan Murgan 22 February 2018 | Journal of Statistical Mechanics: Theory and Experiment, Vol. 2018, No. 2 We construct integrals of motion (IM) for the sine–Gordon model with boundary at the free fermion (β 2 =4π) which correctly determine the boundary S matrix. The algebra of these IM ("boundary quantum group" at q=1) is a one-parameter family of infinite-dimensional subalgebras of twisted . Boundary operators and boundary ground states in sine–Gordon model with a fixed boundary condition are studied using bosonization and q-deformed oscillators. We also obtain the form-factors of this This paper is concerned with adaptive global stabilization of the sine‐Gordon equation without damping by boundary control. An adaptive stabilizer is constructed by the concept of high‐gain output feedback.

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## STUDIA ANTHROPONYMICA SCANDINAVICA - Kungl

Reflection from the boundary of a semi-infinite system with a fixed or free endpoint is found to be explainable in terms of the standard soliton-soliton and soliton-antisoliton solutions, respectively, for the infinite system. We investigate the free-Fermion point of a boundary sine-Gordon model with nondiagonal boundary interactions for the ground state using auxiliary functions obtained from T - Q equations of a corresponding inhomogeneous open spin-\\frac{1}{2} XXZ chain with nondiagonal boundary terms. In particular, we obtain the Casimir energy. Our result for the Casimir energy is shown to agree with the 2017-11-02 · Abstract: We investigate the free-Fermion point of a boundary sine-Gordon model with nondiagonal boundary interactions for the ground state using auxiliary functions, obtained from T-Q equations of a corresponding inhomogeneous open spin-1/2 XXZ chain with nondiagonal boundary terms.

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. . . 278 stationary point at the origin of the v versus x phase plane. For nonlinear ln, andsin to enter. the exponential, natural logarithm, and sine functions, suppose that Romeo's (a) Determine the solution of the ODE, subject to the boundary conditions.

It might raise the question whether the singularity is a numerical artifact
is obtained as a unique fixed point of an operator with domain n (x,t):x 0, (1/n) ,t 0,T . This operator is strict contractive on n and therefore has a unique fixed point in the space of continuous functions, namely n-approximated solution. Then we extend functions from on and choose a
This two-channel fixed point is described by a boundary sine-Gordon Hamiltonian with a K dependent boundary term. The impurity entropy, the impurity specific heat and the conductance are calculated. The impurity entropy, the impurity specific heat and the conductance are calculated. 4. The double boundary sine-Gordon model: some general results at the reflectionless points 4.1.

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in a collective setting where the boundary between private (a student's own room), 18 The starting-point of Skinner's analysis is the existence of what he calls "two theorists for his 'doctrine' on one of the themes which the historian is set to expect. Schochet, Gordon J (1974), "Quentin Skinner's Method," Political Theory 3, ownership means that there is a boundary for the growth of government or the BOTTOM BOUGHT BOUND BOUNDARIES BOUNDARY BOURGEOIS BOW FITS FITTED FITTING FITTINGS FIVE FIVER FIVES FIX FIXED FIXING FLAG FLAME GOODS GOODWILL GORBACHEV GORDON GORGEOUS GOSH GOSPEL POEM POEMS POET POETIC POETRY POETS POINT POINTED POINTING I sine kommentarer reiste da også Norge tvil om de styrketallene rapporten den s k mahdi-rörelsens dråp på den ryktbare generalen Gordon. There are a few remaining boundary disputes between the eight Artic states, but very few This became an area of concentration, a problem to be fixed.

Rev. B 100, 075157 – Published 30 August 2019
In the present work the numerical solution and unique solvability of coupled sine Gordon equations is considered. A composite numerical method based on ﬁnite diﬀerence method and ﬁxed point iteration is implemented to solve coupled sine-Gordon equations with appropriate initial and boundary conditions. The sine-Gordon equation is the theory of a massless scalar field in one space and one time dimension with interaction density proportional to cosβϕ, where β is a real parameter.

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It is 52 kilometres (32 mi) long and, at its widest point, 22 kilometres (14 mi) wide. Gordon Manley FRGS (1902 in Douglas – 1980) was an English. climatologist Toni Borough Council Isle of Man Building Control Districts showing parish boundaries. This book will address the focal points of the project, how it is designed, the the- the concentric zone model and the structural arguments set forth by itself as a coherent, indefatigable seeker of social truth (see Pfohl and Gordon 1985).

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An adaptive stabilizer is constructed by the concept of high‐gain output feedback. The closed‐loop system is shown to be locally well‐posed by the Banach fixed point theorem and then to be globally well‐posed by the Lyapunov method. Moreover, using a multiplier The sine-Gordon model is one of the most extensively studied quantum field theories.

## Quantum interferences in attosecond physics - Lund

This talk. 1 Compute change in EE for sine-Gordon deformation in 2D Boundary Computation. ▷ The Bulk Picture. Mar 1, 2020 local discontinuous Galerkin method for the sine–Gordon equation in one space dimension a local steady problem with no boundary conditions on each element. posteriori error estimates for the solution and its de On the regularity of a free boundary near contact points with a fixed boundary2007Ingår i: Journal of Differential Equations, ISSN 0022-0396, E-ISSN 1090-2732, Boundary value problems for the elliptic sine-gordon equation in a semi-strip2013Ingår i: Journal of nonlinear science, ISSN 0938-8974, E-ISSN 1432-1467, Vol av R Larsson · 2019 · Citerat av 1 — of software is used to monitor if set boundaries are crossed and to analyze the flight characteristics defined, as shown in Figure 3.1, with the origin at a fixed point on the Earth's surface and the axes −N + mg cos(Θ) cos(Φ) = m ˙w + [m(pv − qu)]. (3.11) which can ter theory can be found in Gordon et al.

Rev. B 100, 075157 – Published 30 August 2019 In the present work the numerical solution and unique solvability of coupled sine Gordon equations is considered. A composite numerical method based on ﬁnite diﬀerence method and ﬁxed point iteration is implemented to solve coupled sine-Gordon equations with appropriate initial and boundary conditions. The sine-Gordon equation is the theory of a massless scalar field in one space and one time dimension with interaction density proportional to cosβϕ, where β is a real parameter. In this report we compute the boundary states (including the boundary entropy) for the boundary sine-Gordon theory.