Soft Matter

Concepts, Phenomena, and Applications

   Errata

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Ch 1

Ch 2

Ch 3

Ch 4

Ch 5

Ch 6

Ch 7

Ch 8

Ch 9

Ch 10

Backmatter

NOTE: Errata marked with a green checkbox ✅ have been corrected in the second printing of the book.
A second printing version is marked by the code 10 9 8 7 6 5 4 3 2 at the bottom of the copyright page of the book.
A first printing version is marked by the code 10 9 8 7 6 5 4 3 2 1. 
The content of the book is the same irrespective of the print version.

Chapter 1. Fluid Dynamics

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37   ✅Section 1.8In this section it is shown that the incompressibility condition (1.48) holds under many circumstances, when the typical length and time scales of the flow are such that their ratio is much smaller than the speed of sound. There can be exceptions though. Consider e.g. flow of a compressible gas through a channel with a thick porous medium. The large pressure difference across the channel will result in a large density gradient along the channel, so mass conservation implies that there will then also be a velocity gradient along the channel. This effect can be important in microfluidics.
48 Section 1.13.1in the sentence above (1.65) replace ɣsl by ɣsv .
57   ✅Problem 1.3the light blue regions should become the darker blue regions.
61   ✅Problem 1.10.bthe term gzêz should be gêz
61   ✅Problem 1.10.dequation (1.86) should be replaced by
 .
62   ✅Problem 1.10.eremove the full stop after equation (1.87).
62   ✅Problem 1.10.fpertubations should be perturbations.
64   ✅Problem 1.12In the first sentence In this equation should become In this problem.
65   ✅Problem 1.13In the second row of equation (1.99), z1(r) should be z2(r)

Chapter 2. Elasticity 

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88   ✅Figure 2.23The scale bar in the image should be 4 μm rather than 500 nm as suggested in the figure. Moreover, the snapshots are taken 60 seconds apart, not 4 seconds apart.
108   ✅Problem 2.3.hThe condition which you should derive reads .
109   ✅Problem 2.5.aThe reference should be to equation (2.56) instead of to equation (2.57).
110   ✅Problem 2.7..rest length A should be ..rest length a.

Chapter 3. Brownian motion, Thermal Fluctuations, and Diffusion

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147   ✅Problem 3.1.aChange as follows. The into through steps a and b below. Start by checking that the
151   ✅Problem 3.6.dThe derivatives d/dx should be replaced by partial deriviatives ∂/∂x.
153   ✅Problem 3.8kT should become kBT in equations (3.88) and (3.89).

Chapter 4. Colloids

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191   ✅Problem 4.3.eintroducting shoud be introducing.
201   ✅Equation (4.63)delete the comma after the first row.

Chapter 5. Polymers

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204   ✅Figure 5.2In the caption François Tournillac should be François Tournilhac.
249   ✅Equation (5.90)s1 – s2 should become |s1 - s2|.

Chapter 6. Liquid Crystals

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296   ✅Problem 6.1.ea in equation (6.58) should be replaced by D.
297   ✅Problem 6.2.dnote that the expression you are asked to derive is actually for the entropy per unit volume.
303   ✅Problem 6.8.bThe definition  
  is not correct. It should be replaced by:  

Chapter 7. Interfaces, Surfaces and Membranes

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335   ✅Problem 7.5.c h=bχ should be h → bχ h.
337   ✅Problem 7.8 see section .a should be see section 7.4.1.a.

Chapter 8. Pattern Formation out of Equilibrium

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369   ✅lowest margin note for this case g<0 should be for the case g<0
397   ✅Problem 8.3step j should be labeled f.
398   ✅Problem 8.4Note that steps d, e and f can best be solved together.
398   ✅Problem 8.5in the upper row of equation (8.85): the term (b+1) should be replaced by (b+1)u1.

Chapter 9. Active Matter

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411   ✅5 lines below (9.12) polarizatation should become polarization.
414   ✅1st sentence of 2nd paragraph gate should become gait.
419   ✅Figure 9.12The scale bar in the top figure denotes 100 micron rather than 15 micron.
444   ✅Problem 9.2.j All the terms involving J in equation (9.102) should be replaced by 2πJ. In addition, ∂z should be substituted with
∂z̄ and vice versa in all terms.
445 Problem 9.3Note that (9.107) unfortunately has the opposite sign of α from that used in the main text of chapter 9, and in the previous problem 9.2.k.
We keep the different sign in the solution worked out in the solution manual, and, for consistency between the versions, also in problem 9.3 in second printing of the book.
447   ✅Problem 9.3.hThe expression (9.120) for c2(θ) is wrong. It should be
.
449   ✅Problem 9.4.c…into (9.125) should become …into (9.126).
451   ✅Problem 9.5.eand linearize (9.137) should be and linearize (9.138).
453   ✅Problem 9.7.eThe full stops before equations (9.152) and (9.153) should be removed. In equation (9.153) both logarithms should be
natural logarithms ln, and divided by the length scale L that first appears in equation (9.151).
453   ✅Problem 9.7.e In equation (9.153) a term 1/n should be included in the summand (i.e., insert a term 1/n between the summation sign and the term in brackets). In addition log should be replaced by the natural logarithm ln twice.
458   ✅Problem 9.12.d Find the intersections of κ3 some constant with f(θ). should be Find the intersections of κ3 = const. and κ3= f(θ).
459   ✅Problem 9.12.iThis problem duplicates 9.12.e and can be skipped.
NB: the problem has been deleted in the second printing.

Backmatter

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578   ✅figure 4.14.aE.R Week should be E. R. Weeks.
578   ✅figure 5.2F. Tournillac should be F. Tournilhac.
579   ✅figure 9.13N. Fahkri should be N. Fakhri.
579   ✅figure 9.23H. Tullier should be H. Turlier.