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Related papers: Ising Field Theory on a Pseudosphere

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We analyze the evolution of the particle spectrum of the Tricritical Ising Model by varying the couplings of the energy and vacancy density fields. The particle content changes from the spectrum of a supersymmetric theory (either of an…

High Energy Physics - Theory · Physics 2008-11-26 Luca Lepori , Giuseppe Mussardo , Gabor Zs. Toth

We study the statistical Ising model of spins on the infinite lattice using a bootstrap method that combines spin-flip identities with positivity conditions, including reflection positivity and Griffiths inequalities, to derive rigorous…

High Energy Physics - Theory · Physics 2022-07-04 Minjae Cho , Barak Gabai , Ying-Hsuan Lin , Victor A. Rodriguez , Joshua Sandor , Xi Yin

The clusters of up spins of a two-dimensional Ising ferromagnet undergo a second order percolative transition at temperatures above the Curie point. We show that in the scaling limit the percolation threshold is described by an integrable…

High Energy Physics - Theory · Physics 2009-08-11 Gesualdo Delfino

We present detailed analytical calculations for an 1D Ising ring of arbitrary number of spin-1/2 particles, in order to reveal entanglement properties of the stationary states. We show that the ground state and specific eigenstates of the…

Quantum Physics · Physics 2007-05-23 P. Štelmachovič , V. Bužek

We rigorously prove the existence and the conformal invariance of scaling limits of the magnetization and multi-point spin correlations in the critical Ising model on arbitrary simply connected planar domains. This solves a number of…

Mathematical Physics · Physics 2014-07-17 Dmitry Chelkak , Clément Hongler , Konstantin Izyurov

We propose an analogue of spin fields for the relativistic RNS-particle in 4 dimensions, in order to describe Ramond-Ramond states as "two-particle" excitations on the world line. On a natural representation space we identify a differential…

High Energy Physics - Theory · Physics 2022-10-20 E. Boffo , I. Sachs

We consider the spatial correlation function of the two-dimensional Ising spin glass under out-equilibrium conditions. We pay special attention to the scaling limit reached upon approaching zero temperature. The field-theory of a…

Disordered Systems and Neural Networks · Physics 2018-10-25 L. A. Fernandez , E. Marinari , V. Martin-Mayor , G. Parisi , J. J. Ruiz-Lorenzo

We investigate the discrete Painleve II equation over finite fields. We treat it over local fields and observe that it has a property that is similar to the good reduction over finite fields. We can use this property, which seems to be an…

Mathematical Physics · Physics 2012-08-14 Masataka Kanki , Jun Mada , K. M. Tamizhmani , Tetsuji Tokihiro

We show that the spin connection of the standard metric on a six-dimensional sphere gives an exact solution to the generalized self-dual equations suggested by Tchrakian some years ago. We work on an SO(6) gauge theory with a…

High Energy Physics - Theory · Physics 2011-02-03 Hironobu Kihara , Muneto Nitta

The correlation function of the two dimensional Ising model with the nearest neighbours interaction on the finite size lattice with the periodical boundary conditions is derived. The expressions similar to the form factor expansion are…

High Energy Physics - Theory · Physics 2007-05-23 A. I. Bugrij

A class of two-dimensional field theories with exponential interactions is introduced. The interaction depends on two ``coupling'' matrices and is sufficiently general to include all Toda field theories existing in the literature. Lie point…

Exactly Solvable and Integrable Systems · Physics 2008-11-26 S. Lafortune , P. Winternitz , L. Martina

We review the recent construction \cite{brower2024isingmodelmathbbs2} of the 2d Ising model on a triangulated sphere $\mathbb{S}^2$. Surprisingly, this led to a precise map of the lattice couplings to the target geometry in order to reach…

High Energy Physics - Lattice · Physics 2025-04-10 Richard C. Brower , George T. Fleming , Jin-Yun Lin , Nobuyuki Matsumoto , Rohan Misra

We study ferromagnetic Ising models on finite graphs with an inhomogeneous external field, where a subset of vertices is designated as the boundary. We show that the influence of boundary conditions on any given spin is maximised when the…

Probability · Mathematics 2022-03-29 Jian Ding , Jian Song , Rongfeng Sun

We propose a basic theory of nonrelativistic spinful electrons on curves and surfaces. In particular, we discuss the presence and effects of spin connections, which describe how spinors and vectors couple to the geometry of curves and…

Mesoscale and Nanoscale Physics · Physics 2018-05-25 Toru Kikuchi

We consider two special cases of the connection problem for the second Painlev\'e equation (PII) using the method of uniform asymptotics proposed by Bassom et al.. We give a classification of the real solutions of PII on the negative…

Classical Analysis and ODEs · Mathematics 2021-03-12 Wen-Gao Long , Zhao-Yun Zeng

Phonon-induced spin relaxation in coupled lateral quantum dots in the presence of spin-orbit coupling is calculated. The calculation for single dots is consistent with experiment. Spin relaxation in double dots at useful interdot couplings…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Peter Stano , Jaroslav Fabian

Many combinatorial optimization problems can be reformulated as finding the ground state of the Ising model. Existing Ising solvers are mostly inspired by simulated annealing. Although annealing techniques offer scalability, they lack…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-11 Debraj Banerjee , Santanu Mahapatra , Kunal Narayan Chaudhury

We study the in-plane critical magnetic field of two-dimensional Ising superconducting systems, and propose the microscopic theory for these systems with or without inversion symmetry. Protected by certain specific spin-orbit interaction…

Superconductivity · Physics 2020-11-26 Hongchao Liu , Haiwen Liu , Ding Zhang , X. C. Xie

In this paper, we construct anisotropic spherical solutions from known isotropic solutions through extended gravitational decoupling method in the background of self-interacting Brans-Dicke theory. The field equations are decoupled into two…

General Relativity and Quantum Cosmology · Physics 2020-06-09 M. Sharif , Amal Majid

All standard measures of bipartite entanglement in one-dimensional quantum field theories can be expressed in terms of correlators of branch point twist fields, here denoted by $\mathcal{T}$ and $\mathcal{T}^\dagger$. These are symmetry…

High Energy Physics - Theory · Physics 2023-03-15 Olalla A. Castro-Alvaredo , Michele Mazzoni