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Updated: May 22, 2026
10:10
Synthesis of Compound Giant Unilamellar Vesicles: A Biomimetic Model of Nucleate Cells
Published on: July 3, 2025
Thermodynamic behaviour of two-dimensional vesicles revisited
Mithun K Mitra1, Gautam I Menon, R Rajesh
1S. N. Bose National Centre for Basic Sciences, Salt Lake, Kolkata, India. mithun@bose.res.in
The European Physical Journal. E, Soft Matter
|April 25, 2012
Summary
Pressurized ring polymers exhibit a thermodynamic phase transition at a critical scaled pressure. This transition alters the polymer
Area of Science:
- Polymer Physics
- Statistical Mechanics
Background:
- Self-avoiding ring polymers are fundamental models in polymer physics.
- Understanding their behavior under pressure is crucial for various applications.
Purpose of the Study:
- To investigate the thermodynamic phase transitions of pressurized self-avoiding ring polymers in two dimensions.
- To explore the influence of bond energetics on polymer shape and phase behavior.
Main Methods:
- Monte Carlo simulations
- Scaling arguments
- Generalizations of the Leibler, Singh, and Fisher model
Main Results:
- Demonstrated a thermodynamic phase transition at a non-zero scaled pressure.
- Identified the transition as a shape change from unfaceted to regular N-gon.
- Observed that the area scales with N(2) for all positive pressures.
Conclusions:
- The study reveals a pressure-induced shape transition in ring polymers.
- The transition can be continuous or discontinuous, driven by bond energetics.
- A sharp crossover replaces the transition away from critical limits.
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