Relieving string tension by making baby universes in a dynamical string tension braneworld model

نویسندگان

چکیده

String tension fundamentally determines the properties of strings; yet its value is often assigned arbitrarily, creating a fine-tuning problem. We describe mechanism for dynamically generating string in flat or almost spacetime, using ‘modified measures formalism’, which turn naturally generates new type stringy braneworld scenario. Such scenario allows strings to achieve near infinite confining two very close expanding surfaces, but tensions also threaten distort near-flat embedding spacetime through large back reactions. argue that this danger can be neutralized via creation baby universe — growing region divorces from ambient while our still brane separating nearly spacetimes. The avoidance minimum length and maximum Hagedorn temperature context dynamical generation discussed.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Baby universes in string theory

Robbert Dijkgraaf, Rajesh Gopakumar, Hirosi Ooguri, and Cumrun Vafa Institute for Theoretical Physics & KdV Institute for Mathematics, University of Amsterdam, Valckenierstraat 65, 1018 XE Amsterdam, The Netherlands Harish-Chandra Research Institute, Chhatnag Road, Jhusi, Allahabad 211019, India California Institute for Technology, 452-48, Pasadena, California 91125, USA Jefferson Physical Labo...

متن کامل

Spatial string tension revisited

The spatial string tension, a classic non-perturbative probe for the convergence of the weak-coupling expansion at high temperatures, can be determined in full QCD as well as in a dimensionally reduced effective theory. Comparing both approaches, we find surprisingly good agreement almost down to the critical temperature of the deconfinement phase transition. c Copyright owned by the author(s) ...

متن کامل

Ising anyons with a string tension

Marc Daniel Schulz, 2, ∗ Sébastien Dusuel, † Grégoire Misguich, ‡ Kai Phillip Schmidt, § and Julien Vidal ¶ Lehrstuhl für Theoretische Physik I, Technische Universität Dortmund, Otto-Hahn-Straße 4, 44221 Dortmund, Germany Laboratoire de Physique Théorique de la Matière Condensée, CNRS UMR 7600, Université Pierre et Marie Curie, 4 Place Jussieu, 75252 Paris Cedex 05, France Lycée Saint-Louis, 44...

متن کامل

D0-brane tension in string field theory

We compute the D0-brane tension in string field theory by representing it as a tachyon lump of the D1-brane compactified on a circle of radius R. To this aim, we calculate the lump solution in level truncation up to level L = 8. The normalized D0-brane tension is independent on R. The compactification radius is therefore chosen in order to cancel the subleading correction 1/L2. We show that an ...

متن کامل

String tension in gonihedric 3D Ising models

For the 3D gonihedric Ising models defined by Savvidy and Wegner the bare string tension is zero and the energy of a spin interface depends only on the number of bends and self-intersections, in antithesis to the standard nearest-neighbour 3D Ising action. When the parameter κ weighting the self-intersections is small the model has a first order transition and when it is larger the transition i...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: International Journal of Modern Physics D

سال: 2022

ISSN: ['1793-6594', '0218-2718']

DOI: https://doi.org/10.1142/s0218271822420147