Applications of Computer Simulations and Statistical Mechanics in Surface Electrochemistry (2009)
Rikvold, P. A., Hamad, I. Abou, Juwono, T., Robb, D. T., Novotny, M. A.
We present a brief survey of methods that utilize computer simulations and quantum and statistical mechanics in the analysis of electrochemical systems. The methods, Molecular Dynamics and Monte...
Buendia, G. M., Machado, E., Rikvold, P. A.
We study the effect of coadsorption of CO and O on a Ziff-Gulari-Barshad (ZGB) model with CO desorption (ZGB-d) for the reaction CO + O --> CO_2 on a catalytic surface. Coadsorption of CO on a...
Suppressing roughness of virtual times in parallel discrete-event simulations (2008)
G. Korniss, M. A. Novotny, H. Guclu, Z. Toroczkai, P. A. Rikvold
In a parallel discrete-event simulation (PDES) scheme, tasks are distributed among processing elements (PEs) whose progress is controlled by a synchronization scheme.For lattice systems with...
Thompson, S. H., Brown, G., Kuhnle, A., Rikvold, P. A., Novotny, M. A.
We study the magnetization-switching statistics following reversal of the applied field for three separate computational models representing the same physical system, an iron nanopillar. The primary...
Magnetization Switching in Single-Domain Ferromagnets (2007)
M. A. Novotny, M. Kolesik, P. A. Rikvold
A model for single-domain uniaxial ferromagnetic particles with high anisotropy, the Ising model, is studied. Recent experimental observations have been made of the probability that the magnetization...
Going through Rough Times: from Non-Equilibrium Surface Growth to Algorithmic Scalability (2007)
G. Korniss, M. A. Novotny, P. A. Rikvold, H. Guclu, Z. Toroczkai
Efficient and faithful parallel simulation of large asynchronous systems is a challenging computational problem. It requires using the concept of local simulated times and a synchronization scheme....
G. Korniss, P. A. Rikvold, M. A. Novotny
Abstract. We discuss the subtle finite-size effects of the dynamic phase transition (DPT) in a two-dimensional kinetic Ising ferromagnet driven by an oscillating external field. We present...
First-Principles Parameter Estimation for Dynamic Monte Carlo of a Lattice-Gas Model (2007)
S. J. Mitchell, Sanwu Wang, P. A. Rikvold, G. Brown
Abstract. We present preliminary results demonstrating how dynamic Monte Carlo transition rates for lateral diffusion can be found from quantum ab initio calculations. As an example, we consider the...
G. Korniss, P. A. Rikvold, M. A. Novotny
We discuss the subtle finite-size e#ects of the dynamic phase transition (DPT) in a two-dimensional kinetic Ising ferromagnet driven by an oscillating external field. We present computational and...
Evidence for a dynamic phase transition in [Co/Pt]_3 magnetic multilayers (2007)
Robb, D. T., Xu, Y. H., Hellwig, O., McCord, J., Berger, A., Novotny, M. A., ...
A dynamic phase transition (DPT) with respect to the period P of an applied alternating magnetic field has been observed previously in numerical simulations of magnetic systems. However, experimental...
Thompson, S. H., Brown, G., Rikvold, P. A., Novotny, M. A.
Finite-temperature micromagnetics simulations are employed to study the magnetization-switching dynamics driven by a field applied at an angle to the long axis of an iron nanopillar. A bi-modal...
Buendia, G. M, Rikvold, P. A., Kolesik, M., Park, K., Novotny, M. A.
The nanoscopic structure and the stationary propagation velocity of (1+1)-dimensional solid-on-solid interfaces in an Ising lattice-gas model, which are driven far from equilibrium by an applied...
Robb, D. T., Rikvold, P. A., Berger, A., Novotny, M. A.
The two-dimensional kinetic Ising model, when exposed to an oscillating applied magnetic field, has been shown to exhibit a nonequilibrium, second-order dynamic phase transition (DPT), whose order...
Hamad, I. Abou, Robb, D. T., Rikvold, P. A.
The first-order reversal curve (FORC) method for analysis of systems undergoing hysteresis is applied to dynamical models of electrochemical adsorption. In this setting, the method can not only...
Rikvold, P. A., Wandlowski, Th., Hamad, I. Abou, Mitchell, S. J., Brown, G.
We reply to remarks by Lang and Horanyi on the meaning of the notion of "electrosorption valency" used in I. Abou Hamad et al., Electrochim. Acta 50 (2005) 5518. It is concluded that, contrary to the...
New Cyclic Voltammetry Method for Examining Phase Transitions: Simulated Results (2006)
Hamad, I. Abou, Robb, D. T., Rikvold, P. A.
We propose a new experimental technique for cyclic voltammetry, based on the first-order reversal curve (FORC) method for analysis of systems undergoing hysteresis. The advantages of this...
Buendia, G. M., Machado, E., Rikvold, P. A.
We present a study of the dynamical behavior of a Ziff-Gulari-Barshad model with CO desorption and lateral diffusion. Depending on the values of the desorption and diffusion parameters, the system...
Buendia, G. M., Rikvold, P. A., Kolesik, M.
We present analytical results and kinetic Monte Carlo simulations for the mobility and microscopic structure of solid-on-solid (SOS) interfaces driven far from equilibrium by an external force, such...
Buendia, G. M., Rikvold, P. A., Kolesik, M.
We study the microscopic structure and the stationary propagation velocity of (1+1)-dimensional solid-on-solid interfaces in an Ising lattice-gas model, which are driven far from equilibrium by an...
Machado, E., Buendia, G. M., Rikvold, P. A., Ziff, R. M.
We present a computational study of the dynamic behavior of a Ziff-Gulari-Barshad model of CO oxidation with CO desorption on a catalytic surface. Our results provide further evidence that below a...
Hamad, I. Abou, Mitchell, S. J., Wandlowski, Th., Rikvold, P. A., Brown, G.
We present Monte Carlo Simulations using an equilibrium lattice-gas model for the electrosorption of Cl on Ag(100) single-crystal surfaces. Fitting the simulated isotherms to chronocoulometry...
Finite-temperature Simulations for Magnetic Nanostructures (2005)
Novotny, M. A., Robb, D. T., Stinnett, S. M., Brown, G., Rikvold, P. A.
We examine different models and methods for studying finite-temperature magnetic hysteresis in nanoparticles and ultrathin films. This includes micromagnetic results for the hysteresis of a single...
Decay of metastable phases in a model for the catalytic oxidation of CO (2004)
Machado, E., Buendia, G. M., Rikvold, P. A.
We study by kinetic Monte Carlo simulations the dynamic behavior of a Ziff-Gulari-Barshad model with CO desorption for the reaction CO + O $\to$ CO$_2$ on a catalytic surface. Finite-size scaling...
Reversal Modes of Simulated Iron Nanopillars in an Obliquely Oriented Field (2004)
Thompson, S. H., Brown, G., Rikvold, P. A.
Stochastic micromagnetic simulations are employed to study switching in three-dimensional magnetic nanopillars exposed to highly misaligned fields. The switching appears to proceed through two...
FORC Analysis of homogeneous nucleation in the two-dimensional kinetic Ising model (2004)
Robb, D. T., Novotny, M. A., Rikvold, P. A.
The first-order reversal curve (FORC) method is applied to the two-dimensional kinetic Ising model. For the system size and magnetic field chosen, the system reverses by the homogeneous nucleation...
First-principles calculations for the adsorption of water molecules on the Cu(100) surface (2004)
Wang, Sanwu, Cao, Yanzhao, Rikvold, P. A.
First-principles density-functional theory and supercell models are employed to calculate the adsorption of water molecules on the Cu(100) surface. In agreement with the experimental observations,...
Hamad, I. Abou, Rikvold, P. A., Brown, G.
While kinetic Monte Carlo simulations can provide long-time simulations of the dynamics of physical and chemical systems, it is not yet possible in general to identify the inverse Monte Carlo attempt...
Projective Dynamics in Realistic Models of Nanomagnets (2004)
Thompson, S. H., Brown, G., Rikvold, P. A.
The free-energy extrema governing the magnetization-reversal process for a model of an iron nanopillar are investigated using the projective dynamics method. Since the time evolution of the model is...
Angular Dependence of Switching Properties in Single Fe Nanopillars (2003)
Brown, G., Stinnett, S. M., Novotny, M. A., Rikvold, P. A.
The continued increase in areal densities in magnetic recording makes it crucial to understand magnetization reversal in nanoparticles. We present finite-temperature micromagnetic simulations of...
Finite-Temperature Micromagnetics of Hysterisis for Misaligned Single Iron Nanopillars (2003)
Novotny, M. A., Stinnett, S. M., Brown, G., Rikvold, P. A.
We present micromagnetic results for the hysterisis of a single magnetic nanopillar which is misaligned with respect to the applied magnetic field. We provide results for both a one dimensional stack...
Projective Dynamics Analysis of Magnetization Reversal (2003)
Brown, G., Novotny, M. A., Rikvold, P. A.
The computational Projective Dynamics method is used to analyze simulations of magnetization reversal in nanoscale magnetic pillars. It is shown that this method can be used to determine the...
Surface scaling analysis of hydrogels: From multiaffine to self-affine scaling (2003)
Buendia, G. M., Mitchell, S. J., Rikvold, P. A.
We show that smoothing of multiaffine surfaces that are generated by simulating a crosslinked polymer gel by a frustrated, triangular network of springs of random equilibrium lengths [G.M....
Suppressing Roughness of Virtual Times in Parallel Discrete-Event Simulations (2003)
Korniss, G., Novotny, M. A., Guclu, H., Toroczkai, Z., Rikvold, P. A.
In a parallel discrete-event simulation (PDES) scheme, tasks are distributed among processing elements (PEs), whose progress is controlled by a synchronization scheme. For lattice systems with...
Defects, Tunneling, and EPR Spectra of Single-Molecule Magnets (2003)
Park, Kyungwha, Novotny, M. A., Dalal, N. S., Hill, S., Rikvold, P. A., Bhaduri, S., ...
We examine theoretically electron paramagnetic resonance (EPR) lineshapes as functions of resonance frequency, energy level, and temperature for single crystals of three different kinds of...
Defects, Tunneling, and EPR Spectra of Single-Molecule Magnets (2003)
Park, Kyungwha, Novotny, M. A., Dalal, N. S., Hill, S., Rikvold, P. A.
We examine theoretically electron paramagnetic resonance (EPR) lineshapes as functions of resonance frequency, energy level, and temperature for single crystals of three different kinds of...
Electrosorption of Br and Cl on Ag(100): Experiments and Computer Simulations (2002)
Hamad, I. Abou, Wandlowski, Th., Brown, G., Rikvold, P. A.
We present chronocoulometry experiments and equilibrium Monte Carlo simulations for the electrosorption of Br and Cl on Ag(100) single-crystal electrode surfaces. Two different methods are used to...
The Transition State in Magnetization Reversal (2002)
Brown, G., Novotny, M. A., Rikvold, P. A.
We consider a magnet with uniaxial anisotropy in an external magnetic field along the anisotropy direction, but with a field magnitude smaller than the coercive field. There are three representative...
Korniss, G., Rikvold, P. A., Novotny, M. A.
It has been well established that spatially extended, bistable systems that are driven by an oscillating field exhibit a nonequilibrium dynamic phase transition (DPT). The DPT occurs when the field...
Park, Kyungwha, Novotny, M. A., Rikvold, P. A.
We examine a square-lattice nearest-neighbor Ising quantum ferromagnet coupled to $d$-dimensional phonon baths. Using the density-matrix equation, we calculate the transition rates between...
Park, Kyungwha, Novotny, M. A., Dalal, N. S., Hill, S., Rikvold, P. A.
We examine quantitatively the temperature dependence of the linewidths and line shifts in electron paramagnetic resonance experiments on single crystals of the single-molecule magnets Fe$_8$ and...
The local structure of a solid-on-solid (SOS) interface in a two-dimensional kinetic Ising ferromagnet with single-spin-flip Glauber dynamics, which is driven far from equilibrium by an applied...
Buendia, G. M., Mitchell, S. J., Rikvold, P. A.
We propose and study a simplified model for the surface and bulk structures of crosslinked polymer gels, into which voids are introduced through templating by surfactant micelles. Such systems were...
Mitchell, S. J., Wang, Sanwu, Rikvold, P. A.
We investigate the static and dynamic behaviors of a Br adlayer electrochemically deposited onto single-crystal Ag(100) using an off-lattice model of the adlayer. Unlike previous studies using a...
Scaling Analysis of Surfactant Templated Polyacrylamide Gel Surfaces (2001)
Chakrapani, Mukundan, Mitchell, S. J., Van Winkle, D. H., Rikvold, P. A.
Surfaces of surfactant-templated polyacrylamide hydrogels were imaged by atomic force microscopy (AFM), and the surface morphology was studied by numerical scaling analysis. The templated gels were...
Park, Kyungwha, Dalal, N. S., Rikvold, P. A.
We herein estimate the effect of lattice defects on the line shape of electron paramagnetic resonance (EPR) signals from a single crystal of the S=10 single-molecule magnet Mn$_{12}$ with the...
Going through Rough Times: from Non-Equilibrium Surface Growth to Algorithmic Scalability (2001)
Korniss, G., Novotny, M. A., Rikvold, P. A., Guclu, H., Toroczkai, Z.
Efficient and faithful parallel simulation of large asynchronous systems is a challenging computational problem. It requires using the concept of local simulated times and a synchronization scheme....
Park, Kyungwha, Novotny, M. A., Dalal, N. S., Hill, S., Rikvold, P. A.
We study theoretically Electron Paramagentic Resonance (EPR) linewidths for single crystals of the molecular magnets Fe$_8$ and Mn$_{12}$ as functions of energy eigenstates $M_s$, frequency, and...
Park, Kyungwha, Novotny, M. A., Dalal, N. S., Hill, S., Rikvold, P. A.
Electron paramagnetic resonance (EPR) measurements on single crystals of the molecular magnets Fe$_8$ and Mn$_{12}$ reveal complex nonlinearities in the linewidths as functions of energy eigenstate,...
Thermal and Dynamic Effects in Langevin Simulation of Hysteresis in Nanoscale Pillars (2001)
Brown, Gregory, Novotny, M. A., Rikvold, P. A.
Dynamic quantities related to hysteresis have been measured in micromagnetic simulations of single-domain nanoscale magnets at nonzero temperature. The hysteresis-loop area and magnetization-field...
Dynamic Phase Transition in a Time-Dependent Ginzburg-Landau Model in an Oscillating Field (2000)
Fujisaka, H., Tutu, H., Rikvold, P. A.
The Ginzburg-Landau model below its critical temperature in a temporally oscillating external field is studied both theoretically and numerically. As the frequency or the amplitude of the external...
Korniss, G., White, C. J., Rikvold, P. A., Novotny, M. A.
We study the two-dimensional kinetic Ising model below its equilibrium critical temperature, subject to a square-wave oscillating external field. We focus on the multi-droplet regime where the...
Fine-grid Simulations of Thermally Activated Switching in Nanoscale Magets (2000)
Brown, G., Novotny, M. A., Rikvold, P. A.
Numerical integration of the Landau-Lifshitz-Gilbert equation with thermal fluctuations is used to study the dynamic response of single-domain nanomagnets to rapid changes in the applied magnetic...
Static and Dynamic Monte Carlo Simulations of Br Electrodeposition on Ag(100) (2000)
Mitchell, S. J., Brown, G., Rikvold, P. A.
We study the static and dynamic properties of bromine electrosorption onto single-crystal silver (100) electrodes by Monte Carlo simulation. At room temperature the system displays a second-order...
Hysteresis in an Electrochemical System: Br Electrodeposition on Ag(100) (2000)
Mitchell, S. J., Brown, G., Rikvold, P. A.
We examine hysteresis in cyclic voltammetry of Br electrosorption onto single-crystal Ag(100) by dynamic Monte Carlo simulations. At room temperature, this system displays a second-order phase...
Dynamics of Br Electrosorption on Single-Crystal Ag(100): A Computational Study (2000)
Mitchell, S. J., Brown, G., Rikvold, P. A.
We present dynamic Monte Carlo simulations of a lattice-gas model for bromine electrodeposition on single-crystal silver (100). This system undergoes a continuous phase transition between a...
Korniss, G., Novotny, M. A., Toroczkai, Z., Rikvold, P. A.
The scalability of massively parallel algorithms is a fundamental question in computer science. We study the scalability and the efficiency of a conservative massively parallel algorithm for...
Novotny, M. A., Rikvold, P. A., Kolesik, M., Townsley, D. M., Ramos, R. A.
We present a brief analysis of the crossover phase diagram for the decay of a metastable phase in a simple dynamic lattice-gas model of a two-phase system. We illustrate the nucleation-theoretical...
Korniss, G., Toroczkai, Z., Novotny, M. A., Rikvold, P. A.
We study the asymptotic scaling properties of a massively parallel algorithm for discrete-event simulations where the discrete events are Poisson arrivals. The evolution of the simulated time horizon...
Dynamic Phase Transition and Hysteresis in Kinetic Ising Models (1999)
Rikvold, P. A., Korniss, G., White, C. J., Novotny, M. A., Sides, S. W.
We briefly introduce hysteresis in spatially extended systems and the dynamic phase transition observed as the frequency of the oscillating field increases beyond a critical value. Hysteresis and the...
Evolution of speckle during spinodal decomposition (1999)
Grant, M., Brown, G., Rikvold, P. A., Sutton, M.
Time-dependent properties of the speckled intensity patterns created by scattering coherent radiation from materials undergoing spinodal decomposition are investigated by numerical integration of the...
Korniss, G., Novotny, M. A., Rikvold, P. A.
We experiment with a massively parallel implementation of an algorithm for simulating the dynamics of metastable decay in kinetic Ising models. The parallel scheme is directly applicable to a wide...
Slow Forcing in the Projective Dynamics Method (1998)
Novotny, M. A., Kolesik, M., Rikvold, P. A.
We provide a proof that when there is no forcing the recently introduced projective dynamics Monte Carlo algorithm gives the exact lifetime of the metastable state, within statistical uncertainties....
Sides, S. W., Rikvold, P. A., Novotny, M. A.
Hysteresis is studied for a two-dimensional, spin-1/2, nearest-neighbor, kinetic Ising ferromagnet in an oscillating field, using Monte Carlo simulations and analytical theory. Attention is focused...
Novotny, M. A., Rikvold, P. A.
We present an overview of the subject of Magnetic Particles, starting at a level suitable for advanced high-school students and ending at a level suitable for current practitioners in the field. The...
Computer Simulations of Thermal Switching in Small-grain Ferromagnets (1998)
Novotny, M. A., Brown, G., Rikvold, P. A.
We present Monte Carlo and Langevin micromagnetic calculations to investigate thermal switching of single-domain ferromagnetic particles. For the Monte Carlo study we place particular emphasis on the...
Sides, S. W., Rikvold, P. A., Novotny, M. A.
We study hysteresis for a two-dimensional, spin-1/2, nearest-neighbor, kinetic Ising ferromagnet in an oscillating field, using Monte Carlo simulations. The period-averaged magnetization is the order...
Korniss, G., Brown, G., Novotny, M. A., Rikvold, P. A.
We present recent results on two attempts at understanding and utilizing large-scale simulations of magnetic materials. In the first study we consider massively parallel implementations on a Cray T3E...
Nucleation theory of Magnetization Switching in Nanoscale Ferromagnets (1998)
Rikvold, P. A., Novotny, M. A., Kolesik, M., Richards, H. L.
Projected Dynamics for Metastable Decay in Ising Models (1998)
M. Kolesik, M. A. Novotny, P. A. Rikvold, D. M. Townsley, Bratislava Slovak Republic
. The magnetization switching dynamics in the kinetic Ising model is projected onto a one-dimensional absorbing Markov chain. The resulting projected dynamics reproduces the direct simulation results...
Universality and Scaling for the Structure Factor in Dynamic Order-Disorder Transitions (1998)
Grant, M., Brown, G., Rikvold, P.A.
The universal form for the average scattering intensity from systems undergoing order-disorder transitions is found by numerical integration of the Langevin dynamics. The result is nearly identical...
Stochastic Hysteresis and Resonance in a Kinetic Ising System (1997)
Sides, S. W., Rikvold, P. A., Novotny, M. A.
We study hysteresis for a two-dimensional, spin-1/2, nearest-neighbor, kinetic Ising ferromagnet in an oscillating field, using Monte Carlo simulations and analytical theory. Attention is focused on...
Magnetization Switching in Single-Domain Ferromagnets (1997)
Novotny, M. A., Kolesik, M., Rikvold, P. A.
A model for single-domain uniaxial ferromagnetic particles with high anisotropy, the Ising model, is studied. Recent experimental observations have been made of the probability that the magnetization...
Hysteresis loop areas in kinetic Ising models: Effects of the switching mechanism (1997)
Sides, S. W., Rikvold, P. A., Novotny, M. A.
Experiments on ferromagnetic thin films have measured the dependence of the hysteresis loop area on the amplitude and frequency of the external field, $A$=$A(H_{0},\omega)$, and approximate agreement...
A projection method for statics and dynamics of lattice spin systems (1997)
Kolesik, M., Novotny, M. A., Rikvold, P. A.
A method based on Monte Carlo sampling of the probability flows projected onto the subspace of one or more slow variables is proposed for investigation of dynamic and static properties of lattice...
Monte Carlo Simulation of Magnetization Reversal in Fe Sesquilayers on W(110) (1997)
Kolesik, M., Novotny, M. A., Rikvold, P. A.
Iron sesquilayers grown at room temperature on W(110) exhibit a pronounced coercivity maximum near a coverage of 1.5 atomic monolayers. On lattices which faithfully reproduce the morphology of the...
Nucleation Theory of Magnetization Switching in Nanoscale Ferromagnets (1997)
Rikvold, P. A., Novotny, M. A., Kolesik, M., Richards, H. L.
A nucleation picture of magnetization switching in single-domain ferromagnetic nanoparticles with high local anisotropy is discussed. Relevant aspects of nucleation theory are presented, stressing...
Projected dynamics for metastable decay in Ising models (1997)
Kolesik, M., Novotny, M. A., Rikvold, P. A., Townsley, D. M.
The magnetization switching dynamics in the kinetic Ising model is projected onto a one-dimensional absorbing Markov chain. The resulting projected dynamics reproduces the direct simulation results...
Hysteresis loop areas in kinetic Ising models: Effects of the switching mechanism (1997)
Experiments on ferromagnetic thin films have measured the dependence of the hysteresis loop area on the amplitude and frequency of the external field, A=A(H 0 ; !), and approximate agreement with...
Speckle from phase ordering systems (1997)
Grant, M., Brown, G., Rikvold, P. A., Sutton, M.
The statistical properties of coherent radiation scattered from phase-ordering materials are studied in detail using large-scale computer simulations and analytic arguments. Specifically, we consider...
Sides, S. W., Ramos, R. A., Rikvold, P. A., Novotny, M. A.
Experimental, analytical, and numerical results suggest that the mechanism by which a uniaxial single-domain ferromagnet switches after sudden field reversal depends on the field magnitude and the...
Zhang, Jun, Sung, Yung-Eun, Rikvold, P. A., Wieckowski, A.
We study the underpotential deposition of Cu on single-crystal Au(111) electrodes in sulfate-containing electrolytes by a combination of computational statistical-mechanics based lattice-gas modeling...
Sides, S. W., Ramos, R. A., Rikvold, P. A., Novotny, M. A.
The S=1/2, nearest-neighbor, kinetic Ising model has been used to model magnetization switching in nanoscale ferromagnets. For this model, earlier work based on the droplet theory of the decay of...
Lattice-Gas Models of Adsorption in the Double Layer (1995)
Rikvold, P. A., Zhang, J., Wieckowski, A.
The theory of statistical-mechanical lattice-gas modeling of adsorption is reviewed and shown to be applicable to a range of electrochemical problems dominated by effective, lateral...
A Method to Study Relaxation of Metastable Phases: Macroscopic Mean-Field Dynamics (1995)
Lee, J., Novotny, M. A., Rikvold, P. A.
We propose two different macroscopic dynamics to describe the decay of metastable phases in many-particle systems with local interactions. These dynamics depend on the macroscopic order parameter $m$...
Zhang, J., Rikvold, P. A., Wieckowski, A.
We report ground-state calculations and Monte Carlo simulations for a lattice-gas model of the underpotential deposition of copper on Au(111) in sulfate-containing electrolytes. In a potential range...
Recent results on the decay of metastable phases (1994)
We review some aspects of current knowledge regarding the decay of metastable phases in many-particle systems. In particular we emphasize recent theoretical and computational developments and...
Computational Lattice-Gas Modeling of the Electrosorption of Small Molecules and Ions (1994)
Rikvold, P. A., Gamboa-Aldeco, M., Zhang, J., Han, M., Wang, Q., Richards, H. L., ...
We present two recent applications of lattice-gas modeling techniques to electrochemical adsorption on catalytically active metal substrates: urea on Pt(100) and (bi)sulfate on Rh(111). Both involve...
Recent Results on the Decay of Metastable Phases (1994)
We review some aspects of current knowledge regarding the decay of metastable phases in many-particle systems. In particular we emphasize recent theoretical and computational developments and...
G{ΓΌ}nther, C. C. A., Rikvold, P. A., Novotny, M. A.
Applying a numerical transfer-matrix formalism, we obtain complex-valued constrained free energies for the two-dimensional square-lattice nearest-neighbor Ising ferromagnet below its critical...