Sébastien BALIBAR

Directeur de Recherches au CNRS
Member of the Academie des Sciences (France)

Laboratoire Pierre Aigrain

Ecole Normale Supérieure

24, rue Lhomond, 75231 Paris Cedex 05 - France

Courrier électronique:
sebastien.balibar "at"  lpa.ens.fr
Office: L264, 2nd floor
Telephone: 01 44 32 34 99 
(from outside France: 33 1 44 32 34 99)
Fax: 01 44 32 34 33 
(from outside France: 33 1 44 32 34 99)
SB 2001



 
research group "Nucleation and wetting"



Version française





Grand Prix Jean Ricard 2012 de la Société Française de Physique (photos)




Vitae and publications



 5 books:

Sébastien Balibar Climat: y voir clair pour agir (Le Pommier, octobre 2015)


Interviews:

France Culture (25 nov 2015)
Canal Académie (13 nov 2015)


Conférence à Montpellier (Youtube, 2h)

Sébastien Balibar Chercheur au Quotidien (Le Seuil - Raconter la Vie, 2014)
voir le site de "raconter la vie"
Critiques:
Le Monde 13 Janvier 2014
Interviews:
France Info (16 janvier 2014)
Les savanturiers (France Inter)
Continent Sciences (France Culture 24mars 2014)



Sébastien Balibar (Drawings by Jean Kerleroux) Je casse de l'eau et autres rêveries scientifiques (Le Pommier ed., Paris oct.2008) arabic translation (Kalima, Abu Dhabi, 2010)
First page
Reviews: Le Canard Enchainé, La Recherche, Decouverte
Interviews: Radio Suisse Romande, bulles ,  flocons, arbres , ciel, France Culture (2/2/09)


Je casse Kalima

Sébastien Balibar La pomme et l'atome, Douze histoires de physique contemporaine (Odile Jacob ed., Paris 2005)

translations:
The Atom and the Apple (Princeton University Press 2008), L'Atomo e la Mela (Bollati & Boringhieri 2009), Atom ve Elma (ODTU Yayincilik, Ankara, 2009), et en arabe (Kalima, Abu Dhabi, 2010)
présentation
Reviews :
Pierre Gilles de Gennes (La Recherche, mars 2006), Le Monde (février 2006), Union des professeurs de Physique, Laurent Broomhead (France Info), Times Higher Education (dec. 2008), The American Journal of Physics (2009), more reviews on "The Atom..."
Interviews :
France Musique (fichier MPEG 4)
, France Info, France Culture, France Inter, Radio France International, Bibliothèque Medicis (débat sur Public Sénat)


LaPomme  The Atom and the Apple atomo ODTU


Sébastien Balibar et Edouard Brézin, Demain, la physique (Odile Jacob ed. 2005, 2nde édition en 2009)

co-authors: Alain Aspect, Roger Balian, Sébastien Balibar, Gérald Bastard, Jean-Philippe Bouchaud, Edouard Brézin, Bernard Cabane, Françoise Combes, Thérèse Encrenaz, Stephan Fauve, Albert Fert, Mathias Fink, Antoine Georges, Jean François Joanny, Daniel Kaplan, Denis Le Bihan, Pierre Léna, Hervé Le Treut, Jean-Paul Poirier, Jacques Prost, Jean-Loup Puget




      

 A few videos 

 A few photographs 


Some recent publications:

Supersolidity, plasticity, and superfluidity:

S. Balibar

"Horst Meyer and quantum evaporation"
Journal of Low Temperature Physics
DOI 10.1007/s10909-016-1642-5
July 2016

S. Balibar

"L'enigma della supersolidità"
Sapere 82, 10 (2016)

S. Balibar, J. Beamish, A. Fefferman, A. Haziot, X. Rojas and F. Souris
"Dislocations in a quantum crystal"
CR-Physique 17, 264 (2016)


S. Balibar, J.R. Beamish, and R.B. Hallock
"Remarks about solid Helium"

Journal of Low Temperature Physics 180, 3 (2015).

Z.G. Cheng
, J.R. Beamish, A.D. Fefferman, F. Souris,  S. Balibar, and V. Dauvois
"Helium mass flow through a solid-superfluid-solid junction"
, Suppl. Material
Phys. Rev. Lett. 114, 165301 (2015).

F. Souris, A.D. Fefferman, A. Haziot, N. Garroum, J.R. Beamish, and S. Balibar
"Search for dislocation free helium 4 crystals"
J. Low Temp. Phys.  178, 149 (2015).

F. Souris, A.D. Fefferman, H.J. Maris, V. Dauvois, P. Jean-Baptiste, J.R. Beamish, and S. Balibar
"Movement of dislocations dressed with 3He impurities in 4He crystals"
Phys. Rev. B 90, 180103(R) (2014).

A.D. Fefferman, F. Souris
, A. Haziot, J.R. Beamish, and S. Balibar
"Dependence of dislocation damping on helium-3 concentration in helium 4 single crystals"
Proc. of LT27, J. Physics: conf. series 568, 012003 (2014).

A.D. Fefferman, J. Beamish, and S. Balibar
"Low frequency elastic measurements on solid 4He in Vycor using a torsional oscillator"
J. Low Temp. Phys. 176, 1 (2014).

A.D. Fefferman, F. Souris, 
A. Haziot, J. Beamish, and S. Balibar
"Dislocation networks in helium-4 crystals"
Phys. Rev. B89, 014105 (2014).

A. Haziot, X. Rojas,
A.D. Fefferman, J. Beamish, and S. Balibar
Reply to "Comment on "Giant Plasticity of a Quantum Crystal" by Zhou et al. " ,
Phys. Rev. Lett.  111, 119602 (2013).

A. Haziot, A.D. Fefferman, J. Beamish, H.J. Maris, and S. Balibar
"Critical Dislocation speed in helium-4 crystals" ,
Phys. Rev. B 88, 014106 (2013).

A. Haziot,
A.D. Fefferman, J. Beamish, and S. Balibar
"Dislocation Densities and Lengths in Solid 4He from Elasticity Measurements" ,
Phys. Rev. B 87, 060509(R) (2013).

A. Haziot, X. Rojas,
A.D. Fefferman, J. Beamish, and S. Balibar
"The giant plasticity of a quantum crystal" , Suppl. Material
Phys. Rev. Lett. 110, 035301 (2013).

J. Beamish, A.D. Fefferman, A. Haziot, X. Rojas, and S. Balibar

"Elastic Effects in Torsional Oscillators Containing Solid Helium 4" ,
Phys. Rev. B 85, 180501(R) (2012).

S. Balibar, A. Fefferman, A. Haziot, and  X. Rojas,
"Disorder, Supersolidity, and Quantum Plasticity in Solid Helium 4" ,
J. Low Temp. Phys. 168, 221 (2012).

S. Balibar.
"Superfluidity: how quantum mechanics became visible"
in "History of Artificial Cold, Scientific, Technological and Cultural Issues",
ed. by K. Gavroglu, Boston Studies in the Philosophy and History of Science,
Vol. 299 pp. 93-118 (Springer, 2013).


A. Fefferman, X. Rojas, A. Haziot, S. Balibar, J. West, and M.H.W. Chan

"4He Crystal Quality and Rotational Response in a Transparent Torsional Oscillator"
Phys. Rev. B 85, 094103 (2012).

X. Rojas, A. Haziot, and S. Balibar.
"Migration of 3He along dislocations in helium 4 single crystals"
Proc. of LT26,  J. Physics: conf. series  400, 012062 (2012).

H.J. Maris and S. Balibar
Effect of Helium Elasticity on Torsional Oscillator Measurements
J. Low Temp. Phys. 162, 12 (2011).


X. Rojas, A. Haziot, V. Bapst, H.J. Maris, and S. Balibar,
"Anomalous softening of helium 4 crystals ”
Phys. Rev. Lett. 105, 145302 (2010).
 

H.J. Maris and S. Balibar
Elastic properties of polycrystalline solid helium
J. Low Temp. Phys.  160, 5 (2010).

S. Balibar
Is there a true supersolid phase transition ?
Physics 3, 39 (2010).

S. Balibar
The enigma of supersolidity
Nature 464, 176 (2010).

C. Pantalei,
X. Rojas, D.O. Edwards, H.J. Maris, and S. Balibar,
How to prepare an ideal 4He crystal
J. Low Temp. Phys. 159, 452 (2010).


X. Rojas, C. Pantalei, H.J. Maris, and S. Balibar,
Acoustic properties of 4He crystals in the limit of zero impurity
J. Low Temp. Phys. 158, 478 (2010).

S. Balibar,
Stiffer but flowing
Nature Phys. 5, 534 (2009).

S. Sasaki, F. Caupin and S. Balibar,
Optical observation of disorder in solid helium 4
J. Low Temp. Phys. 153, 43 (2008).

S. Balibar and F. Caupin,
Comment on “Observation of unusual mass transport in solid hcp helium 4”
Phys. Rev. Lett. 101, 189601 (2008).

F. Caupin,  S. Sasaki and S. Balibar
Absence of grain boundary melting in solid helium
J. Phys. Cond. Matt. 20, 494228 (2008).


S. Balibar and F. Caupin,
Supersolidity and disorder
"topical review",  J. Phys. Cond. Mat. 20, 173201 (2008).

F. Caupin, S. Sasaki and S. Balibar
Supersolidity and disorder in Solid Helium 4
J. Low Temp. Phys. 150, 267 (2008).


S. Sasaki,  F. Caupin, and S. Balibar,

Wetting properties of grain boundaries in solid 4He
Phys. Rev. Lett. 99, 205302 (2007).

S. Balibar,
Supersolidity and Superfluidity
Contemporary Physics 48, 31 (2007).

H.J. Maris and S. Balibar
Supersolidity and the Thermodynamics of Solid Helium
J. Low Temp. Phys.  147, 539 (2007).

S. Balibar
The discovery of superfluidity
J. Low Temp. Phys.  146, 441 (2007).

S. Sasaki, R. Ishiguro, F. Caupin, H.J. Maris, and S. Balibar,
Superfluidity of grain boundaries and supersolid behavior
Science 313, 1098  (2006)


S. Balibar,
 
Rotons, superfluidity and helium crystals

London prize conference at LT24 (Orlando, USA),
AIP Conf. Proc. 850, 18 (2006).

S.Balibar
Looking back at superfluid helium
Comptes rendus de la conférence "Bose-Einstein condensation", Institut Henri Poincaré, Paris, 29 mars 2003,
ed. by J. Dalibard, B. Duplantier and V. Rivasseau, p.17 (Birkhäuser Verlag, Basel 2004).


Nucleation (cavitation and crystallization):

K. Davitt, E. Rolley, F. Caupin, A. Arvengas, and S. Balibar
Equation of state of water under negative pressure
J. Chem. Phys. 133, 174507 (2010).

A special issue on Nucleation in the  Comptes-Rendus Physique (ed. by S. Balibar and J. Villain)

where the following paper can be found (among many others):
S. Balibar et F. Caupin,

Nucleation of crystals from their liquid phase
Comptes-Rendus Physique 7, 988  (2006)

The tensile strength of  pure water:  
E. Herbert, S. Balibar, and F. Caupin,
Cavitation in water
Phys. Rev. E  74, 041603 (2006)

Acoustic crystallization: 
R. Ishiguro, F. Caupin and S. Balibar,
Homogeneous nucleation of crystals by acoustic waves
Europhysics Letters 75, 91  (2006)

How far can one pressurize a liquid without crystallization?
F. Werner,  G. Beaume, A. Hobeika, S. Nascimbene, C. Herrmann, F. Caupin and S. Balibar,
"Liquid helium up to 160 bar",
 J. Low Temp. Phys. 136, 93 (2004)

S.Balibar and F. Caupin
Metastable liquids
J. Phys. Cond. Mat. 15, S75 (2003)

Non-linear focusing of acoustic waves:
C. Appert, C. Tenaud, X. Chavanne, S. Balibar, F. Caupin and D. d'Humières
Non-linear effects and shock formation in the focusing of a spherical acoustic wave
Eur. Phys. Journal B 35, 531 (2003)
 
S.Balibar,

Nucleation in quantum liquids
J. Low Temp. Phys. 129, 363 (2002)

Capillarity, wetting, surfaces :

 S. Balibar
Wetting by solid helium, a model system
C.R. Physique 14, 531 (2013)

F. Caupin,  E. Herbert, S. Balibar, and M.W. Cole,
Comment on ‘Nanoscale water capillary
bridges under deeply negative
pressure’

Chemical Physics Letters  463, 283 (2008).

S. Balibar,
The force of fluctuations
Nature 451, 136 (2008).

F. Caupin, M.W. Cole, S. Balibar, and J. Treiner,
Absolute limit for the capillary rise of a fluid
Europhysics Letters 82, 56004  (2008).

Dripping instability:
R. Ishiguro, F. Graner, E. Rolley, S. Balibar, and J. Eggers
The dripping of a crystal
Phys. Rev. E 75, 041606 (2007).

Coalescence of drops in the absence of viscosity :
R. Ishiguro, F. Graner, E. Rolley and S. Balibar,
Coalescence of crystalline drops
Phys. Rev. Lett.  93, 235301 (2004) 

S. Balibar and R. Ishiguro,
New measurements of wetting by helium mixtures
J. Low Temp. Phys. 140, 29 (2005).

S. Balibar and R. Ishiguro,
Critical Casimir forces and anomalous wetting
Pramana - Journal of physics 64, 743 (2005)


  Roughening and related properties of crystal surfaces:
S. Balibar, H. Alles and A. Ya. Parshin,
The surface of helium crystals
Rev. Mod. Phys. 77, 317 (2005)

Climate - energy

Nucléaire: à propos des risques et des coûts
L'Humanité
(25 Mars 2016)

L'illusion d'une électricité 100% renouvelable
Le Monde
(3 Dec. 2015)


Une tonne et demie de CO2 par habitant et par an
Progressites
(Nov. 2015)

Climatosceptiques: quels arguments leur opposer
Pour la Science
(Oct. 2015)


Climate-Energy  (audio recording of a conference in French at Bourg-la-Reine
(Nov. 2013)


Le Mont Ventoux et l'énergie nucléaire
("histoires courtes" par J.F. Dars et A. Papillault)





ITER: une catastrophe annoncée
S. Balibar, G. Charpak et J. Treiner
Libération, 10 août 2010

The fusion myth
S. Balibar
project.pdf
Project syndicate 2007

ITER

J. Treiner et S. Balibar
ITER.pdf
"Point de vue",  Le Monde,  28 sept. 2005

Which energies for tomorrow ?
S. Balibar, S. David et I. Solomon
Energies.pdf
Images de la Physique (CNRS ed. 2005)

France and the energy of stars:
S. Balibar, Y. Pomeau, et J. Treiner
ITER.pdf
"Point de vue",  Le Monde,  24 octobre 2004

Musique

L'acoustique de la flûte
S. Balibar
La Recherche 118, 36 (1981)


A few video sequences from our group at ENS

  • Le CRISTAL, portrait of Sébastien Balibar's laboratory (a film by UTOPOS, 1Go)
  • helium 4 crystals : the roughening transitions and crystallization waves(~ 3 min, 24 MB, MPEG format)
  • coalescence of two helium 3 crystals at 0.32 K (1 sec, 5 MB, Quick Time format)
  • an experiment on cavitation at room temperature(~3 min, 24 MB, MPEG format) 
  • growth of a He crystal
  • facetted growth shape of a He crystal

  • Some sequences from the historical film by J.F Allen et J.M.G. Armitage (St Andrews, 1982) on superfluidity

  • Allen-boiling (103 MB, mpg format)
  • Allen-fountain (28 MB, mpg format)
  • Allen-superflow (400 MB, mpg format)

  • Some recent seminars or conferences (Power Point files)




    A selection of other publications:

    1- Quantum evaporation:

     S. Balibar, J. Buechner, B. Castaing, C. Laroche, A. Libchaber.
    "Experiments on superfluid 4He evaporation".
    Phys. Rev. B18, 3096 (1978).
     
     
    2- Our first article on the surface  of helium crystals:

    S. Balibar, D.O. Edwards, C. Laroche.
    "Surface tension of solid 4He".
    Phys.Rev.Lett. 42, 782 (1979).

    3- On the roughening transition:

     F. Gallet, S. Balibar and E. Rolley,
    "The roughening transition of crystal surfaces II: Experiments on static and dynamic propertiesnear the first roughening transition of hcp 4He",
    J.Physique 48, 369 (1987).

    and a review on the same subject:

     S.Balibar and P.Nozières,
    "Helium as a probe in Materials Science",
    Solid State Communications 92, 19 (1994).

    4-  A letter on stepped crystal surfaces:

    E.Rolley, E.Chevalier, C.Guthmann and S.Balibar,
    "The stepped surfaces of helium-4 crystals",
    Phys.Rev.Lett. 72, 872 (1994).

    and our final article on the same subject:

    E.Rolley, C.Guthmann, E.Chevalier and S.Balibar,
    "The static and dynamic properties of vicinal surfaces on helium-4 crystals",
    J. Low Temp. Phys. 99, 851 (1995).

    5- Our experimental article on the mechanical instability of the surface of stressed crystals:

     R.H. Torii and S. Balibar,
    "Helium crystals under stress: the Grinfeld instability",
    J. Low Temp. Phys. 89, 391 (1992).

     

    6-  an article on musical acoustics:

    S. Balibar
    "L'acoustique de la flûte"
    La Recherche 118, 36 (1981)

    7- Two articles on quantum cavitation:

    H.Lambaré, P.Roche, S.Balibar, H.J. Maris, O.A.Andreeva, C.Guthmann, K.O.Keshishev and E.Rolley
    "Cavitation in superfluid helium in the low temperature limit ",
    Eur. Phys. Journal B 2, 381 (1998)download pdf file

    F.Caupin, P.Roche, S.Marchand and S.Balibar
    "Cavitation in normal liquid helium 3",
    J. Low Temp. Phys. 113, 473 (1998)

    and a review on the same subject:

    S.Balibar, F.Caupin, H.Lambaré, P.Roche and H.J.Maris,
    "Quantum cavitation: a comparison between superfluid helium 4 and normal liquid helium 3",
    J. Low Temp. Phys. 113, 459 (1998)

    8- Heterogeneous nucleation:
    S.Balibar, T.Mizusakiand Y.Sasaki,
    "Comments on heterogeneous nucleation in helium"
    J. Low Temp. Phys. 120, 293 (2000). comments.pdf

    X.Chavanne, S.Balibar and F.Caupin
    "Heterogeneous cavitation in liquid helium 4 near a glass plate"
    J. Low Temp. Phys. 126, 615 (2002) heterocav.pdf

    9- on superfluidity (for  non-specialists) :
    S.Balibar
    "La Superfluidité"
    in Qu'est-ce que l'Univers?(Université de tous les savoirs),
    p.707, Y.Michaud ed. , Odile Jacob, Paris, 2001.

     pdf version:  superfluidité.pdf
    audio recording of the public lecture (in french):  balibarUTLS

    and an article on the history of its discovery:

    S.Balibar
    "Qui a découvert la superfluidité ?"
    Bulletin de la Société Française de Physique, 128, 14 (2001) SFP.pdf

    10- Acoustic crystallization:
    X. Chavanne, S.Balibar and F. Caupin
    "Acoustic crystallization andheterogeneous nucleation"
    Phys. Rev. Lett. 86, 5506 (2001)chavanne.pdf

    X.Chavanne, S.Balibar and F.Caupin
    "Acoustic nucleation of solid helium 4 on a clean glass plate"
    J. Low Temp. Phys. 125, 155 (2001) acoustic.pdf

    11- Cavitation:
    F. Caupin and S.Balibar
    "Cavitation pressure in helium"
    Phys. Rev. B64, 064507 (2001) pressurePRB.pdf

    F. Caupin, H.J. Maris and S.Balibar
    "Anomaly in the stability limit of liquid helium 3"
    Phys. Rev. Lett. 87, 145302 ( 2001) spinodalPRL.pdf

    F. Caupin, S.Balibar and H.J. Maris
    "The thermal expansion coefficient of liquid helium 3 and the shape of its stability limit"
    J. Low Temp. Phys. 126, 73 (2002)spinodalQFS2001.pdf

    F. Caupin, S.Balibar and H.J. Maris
    "Nucleation in a Fermi liquid at negative pressure"
    J. Low Temp. Phys. 126, 91 (2002)zerosoundQFS2001.pdf
     

    12- an article on the facetting of soft crystals:
    P.Nozières, F.Pistolesi and S.Balibar
    "Steps and facets at the surface of soft crystals"
    Eur. Phys. J. B 24, 387(2001) soft.pdf

    13- how far can one pressurize a liquid before it crystallizes?
    F. Werner,  G. Beaume, A. Hobeika, S. Nascimbene, C. Herrmann, F. Caupin and S. Balibar,
    "Liquid helium up to 160 bar"
    J. Low Temp. Phys. 136, 93 (2004): pdf file

    14- coalescence of two drops in the absence of viscosity:
    R. Ishiguro, F. Graner, E. Rolley, and S. Balibar
    "Coalescence or crystalline drops"
    Phys. Rev. Lett. 93, 235301 (2004): pdf file

    15- The surface of helium crystals
    S. Balibar, H. Alles and A. Ya. Parshin,
    Rev. Mod. Phys. 77, 317 (2005)
     
     
     



     

    Two photographs of the meeting "Quantum Fluids and Solids (QFS97) organized at the ENS in july 1997:


    the invited speakers and organizers in front of the old entrance of the Ecole Normale Superieure
     JPG format
     

    the whole group on the stairs of the nearby Pantheon
     JPG format



     

     Professor Laszlo Tisza giving a colloquium at the Physics Department (ENS, 14 june 2001)