# LYCHNOS - Open Journals vid Lunds universitet

Publikationer 2014 - Institutionen för fysik och astronomi

Zero-field μ+SR reveals a long range magnetically ordered ground state below a transition temperature T N= 0.23(1) K. 2021-02-24 · A fairly good understanding of this phenomenon was achieved in the framework of the sine-Gordon quantum-field theory, taking into account the effective transverse staggered field induced by the applied uniform field. The theory predicts solitons and antisolitons as elementary excitations, as well as their bound states, breathers. The sine-Gordon model has a universality and appears in various fields of physics [1-4]. The two-dimensional (2D) sine-Gordon model describes the Kosterlitz-Thouless transition of the 2D classical XY model [5,6]. The 2D sine-Gordon model is mapped to the Coulomb gas model with logarithmic interaction. for example in Lukyanov,Zamolodchikov: Exact expectation values of local ﬁelds in quantum sine-Gordon model quantum-field-theory quantum-spin integrable-systems Share From the sine Gordon field theory to KPZ P. Calabrese, M. Kormos, PLD 1.

See other definitions of SGFT. Link/Page Citation Abbreviation DOI: 10.1142/S0217751X00001063 Corpus ID: 122298252. DUAL GENERALIZATIONS OF SINE–GORDON FIELD THEORY AND INTEGRABILITY SUBMANIFOLDS IN PARAMETER SPACE @article{Baseilhac2000DUALGO, title={DUAL GENERALIZATIONS OF SINE–GORDON FIELD THEORY AND INTEGRABILITY SUBMANIFOLDS IN PARAMETER SPACE}, author={P. Baseilhac and D. Reynaud}, … US-FT/1-00 hep-th/0002219 February 2000 Massive Symmetric Space sine-Gordon Soliton Theories and Perturbed Conformal Field Theory Olalla A. Castro Alvaredo and J. Luis Miramontes The φ\ Quantum Field as a Limit of Sine-Gordon Fields Oliver A. McBryan* Department of Mathematics, Cornell University, Ithaca, New York 14853, USA Abstract.

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[21] A. Veitl, T. Gordon, A. Van De Sand, M. Howell, M. Valasek, O. Vaculin,. Klein-Gordon-ekvationen utgör inte grunden för en konsekvent kvantrelativistisk Rarita – Schwinger ekvation · Scalar field theory · Sine – Gordon ekvation av UP Lundgren — Dernest at de klokere og mer opplyste skoleledere etter 1950 hadde sine was not, of course, as original as I was desperate: ignorant in the field of edu- for grand theory seeking generalizations that hold over diverse situations, I Gordon. C. (ed.) New York: Pantheon Books. Garrison, J. (2004) Dewey, Derrida and 'the Barkleys ”The new theory of ADHD” .

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From 1D interacting electrons to the sine-Gordon model: Schematics of bosonization. Second-quantized tight-binding Hamiltonian for interacting electrons moving through a 1D lattice: Hopping ( t ) + On-site (chemical) potential ( ) electron-electron . Coulomb repulsion ( … 1993-03-01 From the sine Gordon field theory to KPZ P. Calabrese, M. Kormos, PLD 1. integrable quantum field theory arXiv/1405.2582, EPL (2014) imaginary time 2. excitation spectrum - solitons - breathers mass -> infinity decouple “particle” sinh-Gordon “bound state” m-breather 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. SGFT - Sine-Gordon Field Theory. Looking for abbreviations of SGFT?

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av C Lundström · Citerat av 2 — This thesis deals with experimental and theoretical aspects of the phase-sensitive The field of modern optics, including the studies of most optical nonlinearities, the sine of the relative phase (which is related to and sometimes proportional to the field [113] C. J. McKinstrie and J. Gordon, “Field fluctuations produced by
priate test fields for the problems in question. This attitude is a evolutionistic theory, but the innovation is that the conditions are now 3. Gravity. London-Paris-New York; Gordon and Som emeritus har Jeffreys samlet en del af sine arbej-.

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“mass” or “gap”) which is associated to the degree of order in the system. We show how the famous soliton solution of the classical sine-Gordon field theory in (1 + 1)-di- mensions may be obtained as a particular case of a solution expressed in terms of the Jacobi am- plitude, which is the inverse function of the incomplete elliptic integral of the first kind. The Rise of Solitons in Sine-Gordon Field Theory: From Jacobi Amplitude to Gudermannian Function. Leonardo Mondaini.

A partial differential equation which appears in differential geometry and relativistic field theory. Its name is a wordplay on its similar form to the Klein-Gordon equation.

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Using the physical insight given by this analogy many field-theoretic results are obtained, particularly for the sine-Gordon field theory. The main results are enumerated in the summary to which the reader is referred. Solitons, Sine-Gordon Field Theory, Elliptic Integrals, Jacobi Amplitude 1. Introduction The sine-Gordon field theory and the associated massive Thirring model are some of the best studied [1] quantum field theories.

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An investigation of geometrical methods for finding the integrals of motions for the sine-Gordon field is made. Additionally the equivalence between the sine-Gordon model and the massive Thirring model is presented.