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Macdonald processes are probability measures on sequences of partitions defined in terms of nonnegative specializations of the Macdonald symmetric functions and two Macdonald parameters q,t in [0,1). We prove several results about these…

概率论 · 数学 2015-03-19 Alexei Borodin , Ivan Corwin

We present a systematic short time expansion for the generating function of the one point height probability distribution for the KPZ equation with droplet initial condition, which goes much beyond previous studies. The expansion is checked…

统计力学 · 物理学 2018-11-21 Alexandre Krajenbrink , Pierre Le Doussal , Sylvain Prolhac

The one-dimensional polynuclear growth model with external sources at edges is studied. The height fluctuation at the origin is known to be given by either the Gaussian, the GUE Tracy-Widom distribution, or certain distributions called…

数学物理 · 物理学 2007-05-23 T. Imamura , T. Sasamoto

We consider the open KPZ equation $H(x,t)$ on the interval $[0,L]$ with Neumann boundary conditions depending on parameters $u,v\ge 0$ (the so-called maximal current phase). For $L \sim t^{\alpha}$ and stationary initial conditions, we…

概率论 · 数学 2025-08-18 Andres A. Contreras Hip , Sayan Das , Antonios Zitridis

We have considered three different "one-body" statistical systems involving Brownian excursions, which possess for fluctuations Kardar-Parisi-Zhang scaling with the critical exponent $\nu=\frac{1}{3}$. In all models imposed external…

统计力学 · 物理学 2020-05-07 Alexander Gorsky , Sergei Nechaev , Alexander Valov

We obtain exact formulas for moments and generating functions of the height function of the asymmetric simple exclusion process at one spatial point, starting from special initial data in which every positive even site is initially…

概率论 · 数学 2016-01-13 Janosch Ortmann , Jeremy Quastel , Daniel Remenik

In this paper we consider a probability distribution on plane partitions, which arises as a one-parameter generalization of the q^{volume} measure. This generalization is closely related to the classical multivariate Hall-Littlewood…

概率论 · 数学 2016-12-13 Evgeni Dimitrov

The one-point distribution of the height for the continuum Kardar-Parisi-Zhang (KPZ) equation is determined numerically using the mapping to the directed polymer in a random potential at high temperature. Using an importance sampling…

无序系统与神经网络 · 物理学 2018-05-24 Alexander K. Hartmann , Pierre Le Doussal , Satya N. Majumdar , Alberto Rosso , Gregory Schehr

Height fluctuations are studied in the one-dimensional totally asymmetric simple exclusion process with periodic boundaries, with a focus on how late time relaxation towards the non-equilibrium steady state depends on the initial condition.…

统计力学 · 物理学 2018-10-03 Kirone Mallick , Sylvain Prolhac

We consider the motion of a particle under a continuum random environment whose distribution is given by the Howitt-Warren flow. In the moderate deviation regime, we establish that the quenched density of the motion of the particle (after…

概率论 · 数学 2024-12-24 Sayan Das , Hindy Drillick , Shalin Parekh

In a recent contribution, Dotsenko establishes a Fredholm determinant formula for the two-point distribution of the KPZ equation in the long time limit and starting from narrow wedge initial conditions. We establish that his expression is…

统计力学 · 物理学 2015-06-15 T. Imamura , T. Sasamoto , H. Spohn

The statistics of the average height fluctuation of the one-dimensional Kardar-Parisi-Zhang(KPZ)-type surface is investigated. Guided by the idea of local stationarity, we derive the scaling form of the characteristic function in the…

统计力学 · 物理学 2009-11-11 Deok-Sun Lee , Doochul Kim

For stationary interface growth, governed by the Kardar-Parisi-Zhang (KPZ) equation in 1 + 1 dimensions, typical fluctuations of the interface height at long times are described by the Baik-Rains distribution. Recently Chhita et al. [1]…

统计力学 · 物理学 2017-11-22 Baruch Meerson , Johannes Schmidt

We study the long-time regime of the Kardar-Parisi-Zhang (KPZ) equation in $1+1$ dimensions for the Brownian and droplet initial conditions and present a simple derivation of the tail of the large deviations of the height on the negative…

统计力学 · 物理学 2018-11-21 Alexandre Krajenbrink , Pierre Le Doussal

We consider two versions of discrete time totally asymmetric simple exclusion processes (TASEPs) with geometric and Bernoulli random hopping probabilities. For the process mixed with these and continuous time dynamics, we obtain a single…

数学物理 · 物理学 2020-08-26 Yuta Arai

The time-dependent probability distribution function of the height for the Kardar-Parisi-Zhang equation with sharp wedge initial conditions has been obtained recently as a convolution between the Gumbel distribution and a difference of two…

统计力学 · 物理学 2011-07-21 Sylvain Prolhac , Herbert Spohn

We study atypically large fluctuations of height $H$ in the 1+1-dimensional Kardar-Parisi-Zhang (KPZ) equation at long times $t$, when starting from a "droplet" initial condition. We derive exact large deviation function of height for…

统计力学 · 物理学 2017-06-13 Pavel Sasorov , Baruch Meerson , Sylvain Prolhac

The system of interacting Brownian motions, where a particle is reflected asymmetrically from its left neighbor, belongs to the KPZ universality class, with multi-point asymptotics having been derived in previous works. In this paper we…

概率论 · 数学 2025-03-20 Thomas Weiss

The one-point distribution of the height for the continuum Kardar-Parisi-Zhang (KPZ) equation is determined numerically using the mapping to the directed polymer in a random potential at high temperature. Using an importance sampling…

统计力学 · 物理学 2020-02-05 Alexander K. Hartmann , Alexandre Krajenbrink , Pierre Le Doussal

We use the optimal fluctuation method to evaluate the short-time probability distribution $\mathcal{P}\left(H,L,t\right)$ of height at a single point, $H=h\left(x=0,t\right)$, of the evolving Kardar-Parisi-Zhang (KPZ) interface…

统计力学 · 物理学 2018-02-15 Naftali R. Smith , Baruch Meerson , Pavel Sasorov