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Survival probability and local density of states for one-dimensional Hamiltonian systems

Related publications (32)

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A self-learning algorithm for biased molecular dynamics

Michele Ceriotti, Gareth Aneurin Tribello, Michele Parrinello

A new self-learning algorithm for accelerated dynamics, reconnaissance metadynamics, is proposed that is able to work with a very large number of collective coordinates. Acceleration of the dynamics is achieved by constructing a bias potential in terms of ...

National Academy of Sciences2010

Toy models for wrapping effects

The anomalous dimensions of local single trace gauge invariant operators in N = 4 supersymmetric Yang-Mills theory can be computed by diagonalizing a long range integrable Hamiltonian by means of a perturbative asymptotic Bethe ansatz. This formalism break ...

Springer2008

Time resolved luminescence measurements on polydiacetylenes

Christian Blumer

In this work time resolved luminescence measurements on the red phase of 3BCMU are presented. These polydiacetylenes form an ordered and isolated one dimensional model system. This work is divided in two parts. First we present an excitation spectrum in ch ...

EPFL2006

Coded Modulation Based on Higher Dimensional Chaotic Maps

Thomas Schimming, Slobodan Kozic

In this paper we examine coded modulations based on iterations of higher dimensional piece-wise linear maps(PWLM). Particulary, we study a generalization of the Bernoulli map in higher dimensions and its application to communications. In the proposed schem ...

2005

Comparison of four procedures for the identification of hybrid systems

Giancarlo Ferrari Trecate

In this paper we compare four recently proposed procedures for the identification of PieceWise AutoRegressive eXogenous (PWARX) and switched ARX models. We consider the clustering-based procedure, the bounded-error procedure, and the Bayesian procedure whi ...

Springer-Verlag2005

Semiclassical evaluation of quantum fidelity

Jiri Vanicek

We present a numerically feasible semiclassical (SC) method to evaluate quantum fidelity decay (Loschmidt echo) in a classically chaotic system. It was thought that such evaluation would be intractable, but instead we show that a uniform SC expression not ...

2003

Coded Modulations Using Chaotic Systems Controlled by Small Perturbations

Martin Hasler, Thomas Schimming, Kumiko Oshima

Recently it has been observed that communications using chaos show best performance if the information production related to the chaos in the transmitter is controlled and used for the payload of the communication \cite{Schimming:Nolta:2002}. In the case o ...

2002

Adiabatic dynamical systems and hysteresis

This work is dedicated to the study of Dynamical Systems, depending on a slowly varying parameter. It contains, in particular, a detailed analysis of memory effects, such as hysteresis, which frequently appear in systems involving several time scales. In a ...

EPFL1998

Topologic study of a magnetic perturbation in a 3D free boundary plasma equilibrium

Wilfred Anthony Cooper

We have investigated the topological modification of an equilibrium with nested magnetic flux surfaces computed with the free boundary variational moments equilibrium code (VMEC) subject to an applied magnetic field perturbation. Magnetic field lines are t ...

1998

Classical and quantum mechanics of a chaotic hamiltonian system

We examine the correspondence between a quantum system and its classical analogue. We consider the wedge billiard which shows a wide variety of behaviors ranging from integrable to strongly chaotic. Angle-action coordinates are provided for the flow and fo ...

EPFL1995