Soft Matter Physics

203-2-5121

Course information

Credit points
3.00
Lecture hours
3.00
TA hours
0.00
Lab hours
0.00
University's course list

Summary

Introduction. Simple fluids: structure of simple fluids; review of hydrodynamics, hydrodynamic interactions; diffusion in simple fluids, Langevin equation; Polymer statistics: single chain statistics; chain under external action; Flory theory; Polymer solutions: dilute, semi-dilute and melts; osmotic pressure; scaling laws; mSegregation in polymer mixtures; Polymers near the interfaces: adsorption; depletion layer; steric repulsion; Dynamics of a polymer chain: Rouse model; normal modes; motion of monomers; hydrodynamic interactions. Interactions of rigid interfaces: Van der Waals interaction; non-retarded interaction; interactions of many molecules; Electrostatic interaction; screening; Debye-H?ckel approximation; forces between surfaces. Colloidal dispersions; DLVO theory; Fluctuations of interfaces: Interfacial tension; Laplace pressure; Surface-active agents; interface free energy; thermal fluctuations of interfaces; capillary wave dynamics; capillary instabilities; Flexible interfaces: curvature elasticity; microscopic model; height and normal fluctuations of fluid membranes; persistence length; steric repulsion; Self-assembling interfaces: micelles; critical micelles concentration; spherical micelles; cylindrical micelles; vesicles; microemulsions; sponge-like and bicontinuous phases.

Syllabus

  • Introduction
  • Simple fluids: structure of simple fluids; review of hydrodynamics, hydrodynamic interactions; diffusion in simple fluids, Langevin equation;
  • Polymer statistics: single chain statistics; chain under external action; Flory theory;
  • Polymer solutions: dilute, semi-dilute and melts; osmotic pressure; scaling laws; mSegregation in polymer mixtures;
  • Polymers near the interfaces: adsorption; depletion layer; steric repulsion;
  • Dynamics of a polymer chain: Rouse model; normal modes; motion of monomers; hydrodynamic interactions.
  • Interactions of rigid interfaces: Van der Waals interaction; non-retarded interaction; interactions of many molecules; Electrostatic interaction; screening; Debye-Hückel approximation;
  • forces between surfaces: Colloidal dispersions; DLVO theory;
  • Fluctuations of interfaces: Interfacial tension; Laplace pressure; Surface-active agents; interface free energy; thermal fluctuations of interfaces; capillary wave dynamics; capillary instabilities;
  • Flexible interfaces: curvature elasticity; microscopic model; height and normal fluctuations of fluid membranes; persistence length; steric repulsion;
  • Self-assembling interfaces: micelles; critical micelles concentration; spherical micelles; cylindrical micelles; vesicles; microemulsions; sponge-like and bicontinuous phases.

Bibliography

Samuel A. Safran, “Statistical thermodynamics of Surfaces, Interfaces, and Membranes”.
Pierre-Gilles de Gennes “Scaling Concepts in Polymer Physics”.
W.J. Briels, “Theory of Polymer Dynamics” http://www.tn.utwente.nl/cdr/PolymeerDictaat/polymerdynamics.htm
B.Veytsman, M.Kotelyanskii. http://www.plmsc.psu.edu/~www/matsc597c-1997/systems/index.html

פיסיקה של מצב רך

203-2-5121

נתוני קורס

נקודות זכות
3.00
שעות הרצאה
3.00
שעות תרגול
0.00
שעות מעבדה
0.00
לקובץ הקורסים

תקציר

נוזלים פשוטים: מבנה, דינאמיקה, אינטראקציות הידרודינאמיות, דיפוזיה, משוואות לנז'וון.

סטטיסטיקה של פולימרים: פולימרים אידיאלים ואמיתיים, תמיסות דלילות וחצי-דלילות, לחץ אוסמוטי.

דינאמיקה של פולימרים: מודל של ראוז, מודים עצמיים, קינטיקה של תנועה של מונומרים, תנועות קבוצתיות בתמיסות חצי-דלילות.

אינטראקציות בין משטחים: אינטראקציות וואן דר וואלס, אינטראקציות חשמליות ממסכות, פלוקטואציות תרמיות של משטחים, דחייה סטרית.

מיצלות, וסיקולות ומיקרואמולסיות.

סילבוס

  • Introduction
  • Simple fluids: structure of simple fluids; review of hydrodynamics, hydrodynamic interactions; diffusion in simple fluids, Langevin equation;
  • Polymer statistics: single chain statistics; chain under external action; Flory theory;
  • Polymer solutions: dilute, semi-dilute and melts; osmotic pressure; scaling laws; mSegregation in polymer mixtures;
  • Polymers near the interfaces: adsorption; depletion layer; steric repulsion;
  • Dynamics of a polymer chain: Rouse model; normal modes; motion of monomers; hydrodynamic interactions.
  • Interactions of rigid interfaces: Van der Waals interaction; non-retarded interaction; interactions of many molecules; Electrostatic interaction; screening; Debye-Hückel approximation;
  • forces between surfaces: Colloidal dispersions; DLVO theory;
  • Fluctuations of interfaces: Interfacial tension; Laplace pressure; Surface-active agents; interface free energy; thermal fluctuations of interfaces; capillary wave dynamics; capillary instabilities;
  • Flexible interfaces: curvature elasticity; microscopic model; height and normal fluctuations of fluid membranes; persistence length; steric repulsion;
  • Self-assembling interfaces: micelles; critical micelles concentration; spherical micelles; cylindrical micelles; vesicles; microemulsions; sponge-like and bicontinuous phases.

ביבליוגרפיה

Samuel A. Safran, “Statistical thermodynamics of Surfaces, Interfaces, and Membranes”.
Pierre-Gilles de Gennes “Scaling Concepts in Polymer Physics”.
W.J. Briels, “Theory of Polymer Dynamics” http://www.tn.utwente.nl/cdr/PolymeerDictaat/polymerdynamics.htm
B.Veytsman, M.Kotelyanskii. http://www.plmsc.psu.edu/~www/matsc597c-1997/systems/index.html
Last changed on April 25, 2022 by Bar Lev, Yevgeny (ybarlev)