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The universal behaviour of the directed percolation universality class is well understood, both the critical scaling as well as finite size scaling. This article focuses on the block (finite size) scaling of the order parameter and its…

统计力学 · 物理学 2009-11-13 Gunnar Pruessner

We generate point configurations (PCs) by thresholding the local energy of the Ashkin-Teller model in two dimensions (2D) and study the percolation transition at different values of $\lambda$ along the critical Baxter line by varying the…

统计力学 · 物理学 2025-07-21 Sayantan Mitra , Indranil Mukherjee , P. K. Mohanty

Although Hinrichsen in his unpublished work theoretically rebutted the possibility of the discontinuous transition in one-dimensional nonequilibrium systems unless there are additional conservation laws, long-range interactions, macroscopic…

统计力学 · 物理学 2012-02-13 Su-Chan Park

In this work we analyze the universal scaling functions and the critical exponents at the upper critical dimension of a continuous phase transition. The consideration of the universal scaling behavior yields a decisive check of the value of…

统计力学 · 物理学 2009-11-10 S. Lubeck , P. C. Heger

This review addresses recent developments in nonequilibrium statistical physics. Focusing on phase transitions from fluctuating phases into absorbing states, the universality class of directed percolation is investigated in detail. The…

统计力学 · 物理学 2015-06-24 Haye Hinrichsen

We present a spectroscopy scheme using transfer matrix and tensor network. With this method, the energy spectrum is obtained from the eigenvalues of the transfer matrix which is estimated by coarse grained tensor network of a lattice model,…

高能物理 - 格点 · 物理学 2024-12-02 Fathiyya Izzatun Az-zahra , Shinji Takeda , Takeshi Yamazaki

Spatiotemporal patterns, which are of interest in statistical physics and nonlinear dynamics, form on the tape-peeling trace. Recently, we have proposed a mathematical model to describe these pattern formation in the tape-peeling trace. In…

统计力学 · 物理学 2024-12-17 Keisuke Taga , Akihiko Toda , Yoshihiro Yamazaki

Recent work on the use of dimensional reduction for the regularisation of non--supersymmetric theories is reviewed. It is then shown that there exists a class of theories for which a universal form of the soft supersymmetry breaking terms…

高能物理 - 唯象学 · 物理学 2007-05-23 D. R. Timothy Jones

We study critical and universal behaviors of unitary invariant non-gaussian random matrix ensembles within the framework of the large-N renormalization group. For a simple double-well model we find an unstable fixed point and a stable…

高能物理 - 理论 · 物理学 2009-10-30 S. Higuchi , C. Itoi , S. M. Nishigaki , N. Sakai

New theoretical and numerical analysis of the one-dimensional contact process with quenched disorder are presented. We derive new scaling relations, different from their counterparts in the pure model, which are valid not only at the…

凝聚态物理 · 物理学 2016-08-15 Raffaele Cafiero , Andrea Gabrielli , Miguel A. Muñoz

Percolation clusters are probably the simplest example for scale--invariant structures which either are governed by isotropic scaling--laws (``self--similarity'') or --- as in the case of directed percolation --- may display anisotropic…

凝聚态物理 · 物理学 2009-10-22 E. Frey , U. C. Täuber , F. Schwabl

A relatively simple and physically transparent model based on quantum percolation and dephasing is employed to construct a global phase diagram which encodes and unifies the critical physics of the quantum Hall, "two-dimensional…

介观与纳米尺度物理 · 物理学 2009-11-10 Yonatan Dubi , Yigal Meir , Yshai Avishai

Deterministic classical cellular automata can be in two phases, depending on how irreversible the dynamical rules are. In the strongly irreversible phase, trajectories with different initial conditions coalesce quickly, while in the weakly…

统计力学 · 物理学 2026-03-25 Adam Nahum , Sthitadhi Roy

We present a universal form of the $T$-matrices renormalized in nonperturbative regime and the ensuing notions and properties that fail conventional wisdoms. A universal scale is identified and shown to be renormalization group invariant.…

核理论 · 物理学 2009-03-17 J. -F. Yang

In an investigation of percolation on isoradial graphs, we prove the criticality of canonical bond percolation on isoradial embeddings of planar graphs, thus extending celebrated earlier results for homogeneous and inhomogeneous square,…

概率论 · 数学 2021-12-17 Geoffrey Grimmett , Ioan Manolescu

We calculate perturbatively the multifractality spectrum of wave-functions in critical random matrix ensembles in the regime of weak multifractality. We show that in the leading order the spectrum is universal, while the higher order…

无序系统与神经网络 · 物理学 2015-05-27 I. Rushkin , A. Ossipov , Y. V. Fyodorov

Recent progress in open many-body quantum systems has highlighted the importance of the Markov length, the characteristic scale over which conditional correlations decay. It has been proposed that non-equilibrium phases of matter can be…

统计力学 · 物理学 2026-01-09 Yu-Hsueh Chen , Tarun Grover

A model of directed percolation processes with colors and flavors that is equivalent to a population model with many species near their extinction thresholds is presented. We use renormalized field theory and demonstrate that all…

统计力学 · 物理学 2007-05-23 Hans-Karl Janssen

Using percolation statistics we, for the first time, demonstrate the universal character of a network pattern in the real space, mass distributions resulting from nonlinear gravitational instability of initial Gaussian fluctuations.…

天体物理学 · 物理学 2009-10-28 Capp Yess , Sergei F. Shandarin

We study the response of the transmission eigenvalue spectrum of disordered metallic conductors to an arbitrary external perturbation. For systems without time-reversal symmetry we find an exact non-perturbative solution for the two-point…

凝聚态物理 · 物理学 2009-10-22 A. M. S. Macedo