Related Experiment Videos
Semiflexible polymer in a uniform force field in two dimensions
A Lamura1, T W Burkhardt, G Gompper
1Institut für Festkörperforschung, Forschungszentrum Jülich, D-52425 Jülich, Germany.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|December 12, 2001
Summary
This study models a semiflexible polymer chain in a force field. We analyzed how bending rigidity and field strength affect its shape and fluctuations.
Area of Science:
- Polymer Physics
- Statistical Mechanics
Background:
- Semiflexible polymers exhibit complex conformational behavior.
- External forces significantly influence polymer chain dynamics.
Purpose of the Study:
- To investigate the conformational properties of a semiflexible polymer chain under an external force field.
- To analyze the impact of various parameters on polymer configuration and fluctuations.
Main Methods:
- A two-dimensional model was employed for a semiflexible polymer chain.
- Recursion relations for the partition function were derived and numerically iterated.
Main Results:
- Calculated angular fluctuations of the polymer relative to the force field.
- Determined the average polymer configuration based on bending rigidity, chain length, and field strength.
Conclusions:
- The study provides insights into polymer behavior in force fields.
- Results are dependent on chain properties and external field parameters.