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We construct $\mathbb{Z}_N$ orbifolds of the ten-dimensional heterotic string theories appropriate for implementing the stringy replica method for the calculation of quantum entanglement entropy. A novel feature for the heterotic string is…

High Energy Physics - Theory · Physics 2024-12-06 Atish Dabholkar , Upamanyu Moitra

We investigate the space-time picture of string evolution and hadron production in a fully string-based model for high energy collisions involving heavy ions. We find that although the density strings is quite large at the time of…

High Energy Physics - Phenomenology · Physics 2023-06-21 Smita Chakraborty , Leif Lönnblad

Superconducting cosmic strings can give transient electromagnetic signatures that we argue are most evident at radio frequencies. We investigate the three different kinds of radio bursts from cusps, kinks, and kink-kink collisions on…

Cosmology and Nongalactic Astrophysics · Physics 2012-08-28 Yi-Fu Cai , Eray Sabancilar , Daniele A. Steer , Tanmay Vachaspati

We study junctions between confining strings. These junctions arise in Yang-Mills theories, and we focus on their universal low-energy dynamics. Using open-closed duality, we map junctions with nonlinear corrections to the $s$-wave…

High Energy Physics - Theory · Physics 2026-02-23 Xuzixiang Lou , Siwei Zhong

We study a 1-form which can be given by a vector in a conformally invariant way. We then study conformally invariant functionals associated to a ``Y-diagram'' on the space of knots which are made from the 1-form.

Geometric Topology · Mathematics 2007-05-23 Jun O'Hara

Macroscopic properties and shapes of biological tissues depend on the remodelling of cell-cell junctions at the microscopic scale. We propose a theoretical framework that couples a vertex model of solid confluent tissues with the dynamics…

Soft Condensed Matter · Physics 2020-12-02 Clement Zankoc , Matej Krajnc

The Young\'s modulus of a nylon string has been determined experimentally by combining elasticity theory and wave optics. A diffraction experiment has been setup to determine the change in the string diameter for different tensile forces…

This study proposes a simple and novel class of stretch-limiting constitutive relations for perfectly flexible elastic strings drawing from modern advances in constitutive theory for elastic bodies. We investigate strings governed by…

Mathematical Physics · Physics 2025-04-14 Roger Bustamante , K. R. Rajagopal , Casey Rodriguez

We have studied numerically the dynamics of a directed elastic string in a two-dimensional array of quenched random impurities. The string is driven by a constant transverse force and thermal fluctuations are neglected. There is a…

Condensed Matter · Physics 2009-10-22 M. Dong , M. C. Marchetti , A. Alan Middleton , V. Vinokur

In this study a new approach to the problem of transverse vibrations of an ideal string is presented. Unlike previous studies, assumptions such as constant tension, inextensibility, constant crosssectional area, small deformations and…

General Physics · Physics 2013-10-04 Namik Ciblak

I study a relativistic open string coupling through its endpoints to a plane wave with arbitrary temporal profile. The string's transverse oscillations respond linearly to the external field. This makes it possible to solve the classical…

High Energy Physics - Theory · Physics 2015-06-26 Constantin Bachas

We consider F-strings with arbitrary configurations in the Minkowski directions of a higher-dimensional spacetime, which also wrap and spin around $S^1$ subcycles of constant radius in an arbitrary internal manifold, and determine the…

High Energy Physics - Phenomenology · Physics 2015-09-29 Daisuke Yamauchi , Matthew J. Lake

In this letter we uncover a new parametric resonance of axionic cosmic strings. This process is triggered by the presence on the string of internal mode excitations that resonantly amplify the amplitude of transverse displacements of the…

High Energy Physics - Theory · Physics 2023-04-18 Jose J. Blanco-Pillado , Daniel Jiménez-Aguilar , Jose M. Queiruga , Jon Urrestilla

In this work we give specific examples of competition models, with six and eight species, whose three-dimensional dynamics naturally leads to the formation of string networks with junctions, associated with regions that have a high…

Biological Physics · Physics 2017-02-17 P. P. Avelino , D. Bazeia , L. Losano , J. Menezes , B. F. de Oliveira

A recently proposed \ell=\infty field theory model of tachyon dynamics for unstable bosonic D-branes has been shown to arise as the two-derivative truncation of (boundary)-string field theory. Using an \ell\to \infty limit appropriate to…

High Energy Physics - Theory · Physics 2010-02-03 Joseph A. Minahan , Barton Zwiebach

We study elliptic fibrations by analyzing suitable deformations of the fibrations and vanishing cycles. We introduce geometric string junctions and describe some of their properties. We show how the structure of the geometric string…

Algebraic Geometry · Mathematics 2015-10-26 Antonella Grassi , James Halverson , Julius L. Shaneson

Classical solutions describing strings endowed with an electric charge and carrying a constant electromagnetic current are constructed within the bosonic sector of the Electroweak Theory. For any given ratio of the Higgs boson mass to W…

High Energy Physics - Theory · Physics 2008-11-26 Mikhail S. Volkov

We study the evolution of non-periodic cosmic string loops containing Y-junctions, such as may form during the evolution of a network of (p,q) cosmic superstrings. We set up and solve the Nambu-Goto equations of motion for a loop with…

High Energy Physics - Theory · Physics 2010-01-07 Neil Bevis , Edmund J. Copeland , Pierre-Yves Martin , Gustavo Niz , Alkistis Pourtsidou , Paul M. Saffin , D. A. Steer

Treatises on vibrations devote large space to study the dynamical behavior of an elastic system subject to known external tractions. In fact, usually a "system" is not an isolated body but it is part of a chain of mechanisms which disturb…

Optimization and Control · Mathematics 2012-06-15 Luciano Pandolfi

The conductance of electrostatic wire junctions in bilayer graphene, classified as trivial-trivial or trivial-topological regarding the confinement character on each junction side, is calculated. The topological side always corresponds to a…

Mesoscale and Nanoscale Physics · Physics 2023-09-20 Sungguen Ryu , Rosa López , Llorenç Serra