Optical Coupling of Mie Particles Adsorbed on a Whispering Gallery Resonator (2004)
Vollmer, F., Ren, H. C., Arnold, S., Libchaber, A.
We present an experimental observation on particles adsorbed to a whispering gallery mode (WGM) optical resonator produced from a glass sphere of about 100 micro meter in radius. For spherical...
Spiral Defects in Motility Assays: A Measure of Motor Protein Force (1995)
Bourdieu, L., Duke, T., Elowitz, M. B., Winkelmann, D. A., Leibler, S., Libchaber, A.
In a commonly used motility assay, cytoskeletal filaments are observed as they glide over a surface coated with motor proteins. Defects in the motion frequently interrupt the flow of filaments....
Horizontal magnetic field and the oscillatory instability onset (1984)
Fauve, S., Laroche, C., Libchaber, A.
Experimental study of the oscillatory instability onset in a Rayleigh-Bénard experiment The fluid is mercury, in the presence of a horizontal magnetic field parallel to the convective roll axis. The...
Horizontal magnetic field and the oscillatory instability onset (1984)
Fauve, S., Laroche, C., Libchaber, A.
Experimental study of the oscillatory instability onset in a Rayleigh-Bénard experiment The fluid is mercury, in the presence of a horizontal magnetic field parallel to the convective roll axis. The...
Horizontal magnetic field and the oscillatory instability onset (1984)
Fauve, S., Laroche, C., Libchaber, A.
Experimental study of the oscillatory instability onset in a Rayleigh-Bénard experiment The fluid is mercury, in the presence of a horizontal magnetic field parallel to the convective roll axis. The...
Period doubling cascade in mercury, a quantitative measurement (1982)
Libchaber, A., Laroche, C., Fauve, S.
Observation of the period doubling cascade in a Rayleigh-Bénard experiment in mercury. The experimental cell has an aspect ratio Γ = 4 and contains four convective rolls. A DC magnetic field of...
Period doubling cascade in mercury, a quantitative measurement (1982)
Libchaber, A., Laroche, C., Fauve, S.
Observation of the period doubling cascade in a Rayleigh-Bénard experiment in mercury. The experimental cell has an aspect ratio Γ = 4 and contains four convective rolls. A DC magnetic field of...
Period doubling cascade in mercury, a quantitative measurement (1982)
Libchaber, A., Laroche, C., Fauve, S.
Observation of the period doubling cascade in a Rayleigh-Bénard experiment in mercury. The experimental cell has an aspect ratio Γ = 4 and contains four convective rolls. A DC magnetic field of...
Effect of a horizontal magnetic field on convective instabilities in mercury (1981)
Fauve, S., Laroche, C., Libchaber, A.
The effect of a horizontal magnetic field on the three-dimensional instabilities which occur in a Rayleigh-Bénard experiment with mercury is studied. When the magnetic field is parallel to the roll...
Effect of a horizontal magnetic field on convective instabilities in mercury (1981)
Fauve, S., Laroche, C., Libchaber, A.
The effect of a horizontal magnetic field on the three-dimensional instabilities which occur in a Rayleigh-Bénard experiment with mercury is studied. When the magnetic field is parallel to the roll...
Effect of a horizontal magnetic field on convective instabilities in mercury (1981)
Fauve, S., Laroche, C., Libchaber, A.
The effect of a horizontal magnetic field on the three-dimensional instabilities which occur in a Rayleigh-Bénard experiment with mercury is studied. When the magnetic field is parallel to the roll...
Effect of the Prandtl number on the onset of turbulence in liquid 4He (1980)
We have performed experiments on the onset of turbulence in liquid 4He, as a function of the Prandtl number (0.4 < Pr < 0.8), for a series of cells of confined geometry with two convective rolls. For...
Pas de Résumé disponible
Effect of the Prandtl number on the onset of turbulence in liquid 4He (1980)
We have performed experiments on the onset of turbulence in liquid 4He, as a function of the Prandtl number (0.4 < Pr < 0.8), for a series of cells of confined geometry with two convective rolls. For...
Pas de Résumé disponible
Effect of the Prandtl number on the onset of turbulence in liquid 4He (1980)
We have performed experiments on the onset of turbulence in liquid 4He, as a function of the Prandtl number (0.4 < Pr < 0.8), for a series of cells of confined geometry with two convective rolls. For...
Pas de Résumé disponible
Rayleigh-Bénard experiment in liquid helium ; frequency locking and the onset of turbulence (1979)
In a Rayleigh-Bénard experiment in liquid helium, we study the time-dependent regimes, above the onset of convection, in a parallelepipedic cell with two convective rolls of oblate cross-section...
Rayleigh-Bénard experiment in liquid helium ; frequency locking and the onset of turbulence (1979)
In a Rayleigh-Bénard experiment in liquid helium, we study the time-dependent regimes, above the onset of convection, in a parallelepipedic cell with two convective rolls of oblate cross-section...
Rayleigh-Bénard experiment in liquid helium ; frequency locking and the onset of turbulence (1979)
In a Rayleigh-Bénard experiment in liquid helium, we study the time-dependent regimes, above the onset of convection, in a parallelepipedic cell with two convective rolls of oblate cross-section...
Local probe in a Rayleigh-Benard experiment in liquid helium (1978)
We have measured, in a Rayleigh-Benard experiment in liquid helium, the time dependent effects occurring above the onset of convection, using a local probe. Results are very dependent on the aspect...
PHONON TRANSMISSION THROUGH THE SOLID 4He-LIQUID 4He INTERFACE (1978)
Balibar, S., Laroche, C., Libchaber, A.
Using a heat pulse technique, we observe the transmission ballistic phonons through the solid 4He – liquid 4He interface. The three modes of the solid are coupled to the one of the liquid. Some...
ROTON SECOND SOUND AND THE ROTON-ROTON INTERACTION POTENTIAL (1978)
We have measured the roton second sound velocity and absorption at high pressure and low temperature. The absorption measurements give a roton-roton collision frequency in good agreement with the...
SELF DIFFUSION OF SUPERFLUID TURBULENCE THROUGH POROUS MEDIA (1978)
Direct experimental evidence of the filtering action on superfluid turbulence of Helium 4 by porous media. Indirect analysis shows that the filtering action is through the non transmission of vortex...
Local probe in a Rayleigh-Benard experiment in liquid helium (1978)
We have measured, in a Rayleigh-Benard experiment in liquid helium, the time dependent effects occurring above the onset of convection, using a local probe. Results are very dependent on the aspect...
PHONON TRANSMISSION THROUGH THE SOLID 4He-LIQUID 4He INTERFACE (1978)
Balibar, S., Laroche, C., Libchaber, A.
Using a heat pulse technique, we observe the transmission ballistic phonons through the solid 4He – liquid 4He interface. The three modes of the solid are coupled to the one of the liquid. Some...
ROTON SECOND SOUND AND THE ROTON-ROTON INTERACTION POTENTIAL (1978)
We have measured the roton second sound velocity and absorption at high pressure and low temperature. The absorption measurements give a roton-roton collision frequency in good agreement with the...
SELF DIFFUSION OF SUPERFLUID TURBULENCE THROUGH POROUS MEDIA (1978)
Direct experimental evidence of the filtering action on superfluid turbulence of Helium 4 by porous media. Indirect analysis shows that the filtering action is through the non transmission of vortex...
Local probe in a Rayleigh-Benard experiment in liquid helium (1978)
We have measured, in a Rayleigh-Benard experiment in liquid helium, the time dependent effects occurring above the onset of convection, using a local probe. Results are very dependent on the aspect...
PHONON TRANSMISSION THROUGH THE SOLID 4He-LIQUID 4He INTERFACE (1978)
Balibar, S., Laroche, C., Libchaber, A.
Using a heat pulse technique, we observe the transmission ballistic phonons through the solid 4He – liquid 4He interface. The three modes of the solid are coupled to the one of the liquid. Some...
ROTON SECOND SOUND AND THE ROTON-ROTON INTERACTION POTENTIAL (1978)
We have measured the roton second sound velocity and absorption at high pressure and low temperature. The absorption measurements give a roton-roton collision frequency in good agreement with the...
SELF DIFFUSION OF SUPERFLUID TURBULENCE THROUGH POROUS MEDIA (1978)
Direct experimental evidence of the filtering action on superfluid turbulence of Helium 4 by porous media. Indirect analysis shows that the filtering action is through the non transmission of vortex...
HYDRODYNAMIQUE DE L'HÉLIUM IV SUPERFLUIDE (1976)
Présentation de quelques expériences sur l'hydrodynamique de l'hélium IV superfluide : étude des courants permanents, écoulements à travers un petit trou, turbulence du superfluide et du fluide...
HYDRODYNAMIQUE DE L'HÉLIUM IV SUPERFLUIDE (1976)
Présentation de quelques expériences sur l'hydrodynamique de l'hélium IV superfluide : étude des courants permanents, écoulements à travers un petit trou, turbulence du superfluide et du fluide...
HYDRODYNAMIQUE DE L'HÉLIUM IV SUPERFLUIDE (1976)
Présentation de quelques expériences sur l'hydrodynamique de l'hélium IV superfluide : étude des courants permanents, écoulements à travers un petit trou, turbulence du superfluide et du fluide...
Onde thermique dans l'hélium 4 cubique centré (1975)
Dans l'hélium 4 cubique centré, entre 1,4 K et 1,8 K, et près de la transition solide-liquide, nous observons la propagation d'une impulsion de chaleur, qu'il est difficile de relier...
Onde thermique dans l'hélium 4 cubique centré (1975)
Dans l'hélium 4 cubique centré, entre 1,4 K et 1,8 K, et près de la transition solide-liquide, nous observons la propagation d'une impulsion de chaleur, qu'il est difficile de relier...
Onde thermique dans l'hélium 4 cubique centré (1975)
Dans l'hélium 4 cubique centré, entre 1,4 K et 1,8 K, et près de la transition solide-liquide, nous observons la propagation d'une impulsion de chaleur, qu'il est difficile de relier...
On the Josephson effect (1974)
We discuss topics related to Josephson effects where the theoretical situation is complicated, and experiments still not in a satisfactory stage. These are : 1. the appearance of a new dissipative...
On the Josephson effect (1974)
We discuss topics related to Josephson effects where the theoretical situation is complicated, and experiments still not in a satisfactory stage. These are : 1. the appearance of a new dissipative...
On the Josephson effect (1974)
We discuss topics related to Josephson effects where the theoretical situation is complicated, and experiments still not in a satisfactory stage. These are : 1. the appearance of a new dissipative...
LE PROBLÈME DE LA VITESSE CRITIQUE DANS L'HÉLIUM SUPERFLUIDE (1973)
Le problème de la vitesse critique dans l'hélium superfluide s'est éclairci au cours de ces dernières années. Après un rappel historique, nous présentons les résultats actuels. Des...
LE PROBLÈME DE LA VITESSE CRITIQUE DANS L'HÉLIUM SUPERFLUIDE (1973)
Le problème de la vitesse critique dans l'hélium superfluide s'est éclairci au cours de ces dernières années. Après un rappel historique, nous présentons les résultats actuels. Des...
LE PROBLÈME DE LA VITESSE CRITIQUE DANS L'HÉLIUM SUPERFLUIDE (1973)
Le problème de la vitesse critique dans l'hélium superfluide s'est éclairci au cours de ces dernières années. Après un rappel historique, nous présentons les résultats actuels. Des...
I. HÉLIUM SUPERFLUIDEPROPRIÉTÉS DE TRANSPORT ET COHÉRENCE DE PHASE DANS L'HÉLIUM SUPERFLUIDE (1970)
Nous étudions les propriétés de transport de l'hélium superfluide, propriétés de l'écoulement sous et sur critique. Les équations du mouvement du superfluide sont données à partir de deux...
I. HÉLIUM SUPERFLUIDEPROPRIÉTÉS DE TRANSPORT ET COHÉRENCE DE PHASE DANS L'HÉLIUM SUPERFLUIDE (1970)
Nous étudions les propriétés de transport de l'hélium superfluide, propriétés de l'écoulement sous et sur critique. Les équations du mouvement du superfluide sont données à partir de deux...
I. HÉLIUM SUPERFLUIDEPROPRIÉTÉS DE TRANSPORT ET COHÉRENCE DE PHASE DANS L'HÉLIUM SUPERFLUIDE (1970)
Nous étudions les propriétés de transport de l'hélium superfluide, propriétés de l'écoulement sous et sur critique. Les équations du mouvement du superfluide sont données à partir de deux...
Shivashankar, G. V., Feingold, M., Krichevsky, O., Libchaber, A.
The polymerization of RecA on individual double-stranded DNA molecules is studied. A linear DNA (λ DNA, 48.5 Kb), anchored at one end to a cover glass and at the other end to an optically trapped...
Effects of DNA sequence and structure on binding of RecA to single-stranded DNA
Fluorescence anisotropy is used to follow the binding of RecA to short single-stranded DNA (ssDNA) sequences (39 bases) at low DNA and RecA concentration where the initial phase of polymerization...
Motility assays using myosin attached to surfaces through specific binding to monoclonal antibodies.
Winkelmann, D A, Bourdieu, L, Kinose, F, Libchaber, A
We have analyzed the dependence of actin filament movement on the mode of myosin attachment to surfaces. Monoclonal antibodies that bind to three distinct sites were used to tether myosin to...
Flexibility of myosin attachment to surfaces influences F-actin motion.
Winkelmann, D A, Bourdieu, L, Ott, A, Kinose, F, Libchaber, A
We have analyzed the dependence of actin filament sliding movement on the mode of myosin attachment to surfaces. Monoclonal antibodies (mAbs) that bind to three distinct sites were used to tether...
Gramicidin channel kinetics under tension.
Goulian, M, Mesquita, O N, Fygenson, D K, Nielsen, C, Andersen, O S, Libchaber, A
We have measured the effect of tension on dimerization kinetics of the channel-forming peptide gramicidin A. By aspirating large unilamellar vesicles into a micropipette electrode, we are able to...
Shivashankar, G. V., Feingold, M., Krichevsky, O., Libchaber, A.
The polymerization of RecA on individual double-stranded DNA molecules is studied. A linear DNA (λ DNA, 48.5 Kb), anchored at one end to a cover glass and at the other end to an optically trapped...
Effects of DNA sequence and structure on binding of RecA to single-stranded DNA
Fluorescence anisotropy is used to follow the binding of RecA to short single-stranded DNA (ssDNA) sequences (39 bases) at low DNA and RecA concentration where the initial phase of polymerization...
Motility assays using myosin attached to surfaces through specific binding to monoclonal antibodies.
Winkelmann, D A, Bourdieu, L, Kinose, F, Libchaber, A
We have analyzed the dependence of actin filament movement on the mode of myosin attachment to surfaces. Monoclonal antibodies that bind to three distinct sites were used to tether myosin to...
Flexibility of myosin attachment to surfaces influences F-actin motion.
Winkelmann, D A, Bourdieu, L, Ott, A, Kinose, F, Libchaber, A
We have analyzed the dependence of actin filament sliding movement on the mode of myosin attachment to surfaces. Monoclonal antibodies (mAbs) that bind to three distinct sites were used to tether...
Gramicidin channel kinetics under tension.
Goulian, M, Mesquita, O N, Fygenson, D K, Nielsen, C, Andersen, O S, Libchaber, A
We have measured the effect of tension on dimerization kinetics of the channel-forming peptide gramicidin A. By aspirating large unilamellar vesicles into a micropipette electrode, we are able to...