Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Typical Model Studies

Typical Model Studies

Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.

First Order Systems

First Order Systems

First-order systems, such as RC circuits, are foundational in understanding dynamic systems due to their straightforward input-output relationship. Analyzing their responses to different input functions under zero initial conditions reveals significant insights into system behavior.
When a first-order system is subjected to a unit-step input, its response is characterized by its transfer function. By applying the Laplace transform of the unit-step input to the transfer function, expanding the...

Energy Diagrams - I

Energy Diagrams - I

The dynamics of a mechanical system can be easily understood by interpreting a potential energy diagram. Since energy is a scalar quantity, the interpretation of the dynamics of the system becomes even simpler.
Take the example of a skater on a parabolic ramp. The potential energy at different points along the ramp will be proportional to the height of the ramp, which varies quadratically with the horizontal position on the ramp. As the skater moves down the ramp from the highest position,...

Design Example: Creating a Hydraulic Model of a Dam Spillway

Design Example: Creating a Hydraulic Model of a Dam Spillway

Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.

Design Example: Frog Muscle Response

Design Example: Frog Muscle Response

A student is tasked to work on an intriguing experiment involving an RL (Resistor-Inductor) circuit to study the muscle response of a frog's leg to electrical stimulation. The RL circuit plays a crucial role in this experiment, providing the means to control and measure the electrical impulses that trigger muscle contraction.
When the switch connecting the RL circuit is closed, a brief muscle contraction is observed. This is because, at a steady state, the inductor acts like a short circuit,...

Current Growth And Decay In RL Circuits

Current Growth And Decay In RL Circuits

The current growth and decay in RL circuits can be understood by considering a series RL circuit consisting of a resistor, an inductor, a constant source of emf, and two switches. When the first switch is closed, the circuit is equivalent to a single-loop circuit consisting of a resistor and an inductor connected to a source of emf. In this case, the source of emf produces a current in the circuit. If there were no self-inductance in the circuit, the current would rise immediately to a steady...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Direct comparison of stochastic driven nonlinear dynamical systems for combinatorial optimization.

Physical review. E·2025

Same author

Quadratic unconstrained binary optimization and constraint programming approaches for lattice-based cyclic peptide docking.

Scientific reports·2025

Same author

Optimization and benchmarking of the thermal cycling algorithm.

Physical review. E·2021

Same author

Automated design of pulse sequences for magnetic resonance fingerprinting using physics-inspired optimization.

Proceedings of the National Academy of Sciences of the United States of America·2021

Same author

Wishart planted ensemble: A tunably rugged pairwise Ising model with a first-order phase transition.

Physical review. E·2020

Same author

Perspectives of quantum annealing: methods and implementations.

Reports on progress in physics. Physical Society (Great Britain)·2020

Search research articles

Related Experiment Video

Updated: May 26, 2026

Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches

Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches

Published on: June 21, 2022

Simplest model to study reentrance in physical systems.

Creighton K Thomas¹, Helmut G Katzgraber

¹Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843-4242, USA.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|December 21, 2011

Summary

Reentrant behavior in physical systems is generic when frustration is present. The simplest model shows a ferromagnetic phase at intermediate temperatures, with paramagnetic phases at high and low temperatures.

More Related Videos

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity

Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity

Published on: March 6, 2017

Related Experiment Videos

Last Updated: May 26, 2026

Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches

Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches

Published on: June 21, 2022

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity

Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity

Published on: March 6, 2017

Area of Science:

Condensed matter physics
Statistical mechanics

Background:

Phase diagrams describe the states of matter under varying conditions.
Reentrant behavior, where a system transitions into and out of an ordered phase, is a complex phenomenon.
Understanding reentrance requires studying models with disorder and frustration.

Purpose of the Study:

To identify the essential conditions for reentrant behavior in physical systems.
To investigate reentrance in the two-dimensional random-bond Ising model as a fundamental example.
To determine the role of frustration in enabling reentrant phase diagrams.

Main Methods:

Numerical investigation of the two-dimensional random-bond Ising model.
Analysis of both discrete and continuous disorder distributions.
Mapping the phase diagram in the disorder-temperature plane.

Main Results:

Reentrant behavior is a generic feature when frustration is present in the model.
The phase diagram exhibits reentrance for various disorder strengths.
A paramagnetic phase exists at both high and low temperatures, with a ferromagnetic phase at intermediate temperatures.

Conclusions:

Frustration is a key ingredient for reentrant behavior in physical systems.
The two-dimensional random-bond Ising model serves as a simple yet illustrative system for studying reentrance.
The findings contribute to a deeper understanding of complex phase transitions in disordered systems.