JOURNAL OF LOW TEMPERATURE PHYSICS

Vol. 158, Nos. 1/2

January 2010


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Proceedings of the 2009 International Conference on Quantum Fluids and Solids  (QFS2009)

 Part I

Guest Editor: Finn Berg Rasmussen



CONTENTS

Preface...............................................................................................................................................................1

Committees........................................................................................................................................................3
 


Articles :



QUANTUM GASES, BEC, COLD ATOMS AND MOLECULES

Bragg spectroscopy of strongly correlated bosons in optical lattices...................................................................5
    D. Clément, N. Fabbri, L. Fallani, C. Fort and M. Inguscio

Population Dynamics of a Spin-1 Bose Gas at Finite Temperatures..................................................................16
    Yuki Endo and Tetsuro Nikuni

Transmission and Reflection of Collective Modes in Spin-1 Bose-Einstein Condensate....................................23
    Shohei Watabe and Yusuke Kato

Pseudogap in Fermionic Density of States in the BCS-BEC Crossover of Atomic Fermi Gases.......................29
    S. Tsuchiya, R. Watanabe and Y. Ohashi

An Effective Field Theory for One-dimensional Polarized Fermi Gases...........................................................36
    Erhai Zhao and W. Vincent Liu

Thermodynamic Quantities of Imbalanced 2D Fermi Gases Near
the Berezinskii-Kosterlitz-Thouless Transition.................................................................................................43
    J. Tempere, S. N. Klimin, J. T. Devreese and B. Van Schaeybroeck

Rabi-Josephson Transitions in Spinor Bose-Einstein Condensates...................................................................51
    Masashi Yasunaga and Makoto Tsubota

Dynamical Instability of Coreless Vortices in F=2 Spinor Bose-Einstein Condensates.....................................58
    M. Takahashi, T. Mizushima and K. Machida

Exact Results for Tunneling Problems of Bogoliubov.
Excitations in the Critical Supercurrent State....................................................................................................65
    Daisuke Takahashi and Yusuke Kato

Quantum Dynamics of Atom-molecule BECs in a Double-Well Potential.......................................................72
    Atsushi Motohashi and Tetsuro Nikuni

Magnetically ordered state of cold fermions on a decorated square lattice........................................................79
    Kazuto Noda, Akihisa Koga, Norio Kawakami and Thomas Pruschke

Polarized dipolar Bose gas with strong interactions..........................................................................................85
    Diana Hufnagl, Eckhard Krotscheck and Robert Zillich

Generalized Criterion for Stability of Superflow Past an Obstacle....................................................................92
    Yusuke Kato and Shohei Watabe

Connection of Vortices between Spatially Different Phases in
Two-Component Bose-Einstein Condensates...................................................................................................99
    Kenichi Kasamatsu, Hiromitsu Takeuchi, Muneto Nitta and Makoto Tsubota

Absorption Spectrum of Na Atoms Attached to Helium Nanodroplets...........................................................105
    A. Hernando, M. Barranco, R. Mayol, M. Pi, F. Ancilotto, O. Bünermann and F. Stienkemeier

Formation of He Dimer in Nanotube: Effect of Adsorption Potential..............................................................112
    D. Hirashima and K. Yamashita


FLUIDS, HELIUM-3, HELIUM-4

3He Experiments: Insights into Cosmology and Atomic Physics......................................................................118
    Yu.M. Bunkov

Evidence for Magnon BEC in Superfluid 3He-A.............................................................................................129
    P. Hunger, Y. M. Bunkov, E. Collin and H. Godfrin

Exchange Effects and the Dynamics of 3He....................................................................................................135
    M. Panholzer, H. M. Böhm, R. Holler and E. Krotscheck

Transverse acoustic impedance measurements for surface states of superfluid 3He A1 and A2 phases..........141
    Satoshi Murakawa, Akira Yamaguchi, Miho Arai, Masahiro Wasai, Yuki Aoki,
    Hidehiko Ishimoto, Ryuji Nomura and Yuichi Okuda

Observation of Zero-Sound at Atomic Wave-Vectors in a Monolayer of Liquid 3He....................................147
    H. Godfrin, M. Meschke, H.-J. Lauter, H. M. Böhm, E. Krotscheck and M. Panholzer

Decoupling of Confined Normal 3He............................................................................................................155
    S. G. Dimov, R. G. Bennett, B. Ilic, S. S. Verbridge, L. V. Levitin, A. D. Fefferman, A. Casey,
     J. Saunders and J. M. Parpia


Superfluid 3He Confined in a Single 0.6 Micron Slab:
A Phase Transition Between Superfluid Phases with Hysteresis..................................................................159
    L. V. Levitin, R. G. Bennett, A. J. Casey, B. Cowan, J. Parpia and J. Saunders

Superfluid 3He Confined to a Single 0.6 Micron Slab:   Stability and Properties of the
 A-Like Phase Near the Weak Coupling Limit............................................................................................. 163
    R. G. Bennett, L. V. Levitin, A. Casey, B. Cowan, J. Parpia and J. Saunders

Magnetic Field Dependence of the A-like to B-like Transition of Superfluid 3He in Aerogel....................... 170
    B. H. Moon, N. Masuhara, P. Bhupathi, M. Gonzalez, M. W. Meisel, N. Mulders and Y. Lee
 
Transverse Acoustic Spectroscopy of Superfluid 3He in Compressed Aerogel.............................................176
    P. Bhupathi, B. H. Moon, M. Gonzalez and Y. Lee

Frictional Relaxation Time of 3He Normal Fluid Component in Aerogel Obtained
 by Fourth Sound Resonance.........................................................................................................................182
    C. Kato, T. Matsukura, Y. Nago, K. Obara, H. Yano, O. Ishikawa, T. Hata,
    S. Higashitani and K. Nagai


Quantum States of Helium Atoms Confined in Nanocage in Na-Y Zeolite...................................................188
    Taku Matsushita, Ryo Toda, Mitsunori Hieda and Nobuo Wada

Two-Dimensional 3He: A Crucial System for Understanding Fermion Dynamics..........................................194
    H. M. Böhm, E. Krotscheck, M. Panholzer, H. Godfrin, H. J. Lauter, M. Meschke,
    S.G. Dimov, R.G. Bennett, B. Ilic, S.S. Verbridge, L.V. Levitin, A.D. Fefferman,
     A. Casey, J. Saunders and J.M. Parpia


Evidence for a Self-Condensed Liquid State and the Commensurate-Incommensurate
Coexistence in 2D 3He.....................................................................................................................................201
    Daisuke Sato, Daisuke Tsuji, Shintaro Takayoshi, Kazuyuki Obata,
    Tomohiro Matsui and Hiroshi Fukuyama


Magnetic Susceptibility of Heavy Fermion 3He-Bilayers.................................................................................207
    M. Neumann, A.J. Casey, L.V. Levitin, B. Cowan and J. Saunders

Pulsed Nuclear Magnetic Resonance on 3He adsorbed on bare and 4He preplated MCM-41
using DC SQUID Detection.............................................................................................................................213
    B. Yager, J. Nyéki, A. Casey, B.P. Cowan, C.P. Lusher, J. Saunders, D. Drung and Th. Schurig

Transport in Mesoscopic 3He Films on Rough Surfaces..................................................................................220
    P. Sharma, A. Corcoles, A. Casey, S. Dimov, J. Parpia, B. Cowan and J. Saunders

Many-Body Fluctuations and the Dynamics of Liquid 4He..............................................................................226
    C. E. Campbell and E. Krotscheck

Study of Kosterlitz-Thouless Transition with Random Chemical Potential Using
Quantum Monte Carlo Simulations...................................................................................................................231
    H. Kuroyanagi, M. Tsukamoto and M. Tsubota

Nonextensive entropy of quantum liquid in fractal dimension space.................................................................237
    D.A. Tayurskii and Yu.V. Lysogorskii

Microwave Spectroscopy of Condensed Helium at the Roton Frequency.........................................................244
    A.Rybalko, S.Rubets, E.Rudavskii, V.Tikhiy, Yu. Poluectov, R. Golovashchenko,
    V. Derkach, S. Tarapov and O. Usatenko

Simultaneous Measurements of Ultrasound and Torsional Oscillations
for Pressurized 4He in a Nanoporous Glass.......................................................................................................250
    Toshiaki Kobayashi, Ayanori Saito, Junko Taniguchi, Masaru Suzuki and Keiya Shirahama

Collective Modes in Aerogels of Different Porosity Filled With Helium II........................................................256
    E.Ya. Rudavskii, A.A. Zadorozhko, V.K.Chagovets, G.A. Sheshin, N.D. Chkhaidze,
    Sh.E. Kekutia and N. Mulders


Vortex Diffusivity and Core Diameter of 2D Superfluid in 4He Films on Gold and H2 Substrates.....................262
    Takuya Oda, Mitsunori Hieda, Ryo Toda, Taku Matsushita and NobuoWada

Superfluid transition of a 4He thin film pressurized by bulk liquid 3He...............................................................268
    Masahiro Wasai, Satoshi Murakawa, Yuta Tamura, Yuichiro Wada, Yuki Aoki,
    Ryuji Nomura and Yuichi Okuda

Helium Film Formed in 1.2 nm Pore in Zeolite Templated Carbon......................................................................275
    Yusuke Kinosita, Ryo Toda, Taku Matsushita, Mitsunori Hieda, Nobuo Wada,
    Hirotomo Nishihara and Takashi Kyotani


Superfluidity in Hydrogen-Deuterium Mixed Clusters..........................................................................................281
    Soomin Shim and Yongkyung Kwon


CHARGES AND MOLECULES IN QUANTUM FLUIDS

Electrons on the Surface of Superfluid 3He..........................................................................................................288
    Kimitoshi Kono

Transport of Electrons on Liquid Helium across a Tunable
Potential Barrier in a Point Contact-like Geometry...............................................................................................301
    David Rees and Kimitoshi Kono

Electrons in Superfluid 4He..................................................................................................................................307
    D. Jin, W. Guo, W. Wei and H. J. Maris

Computer Simulation of the High-Velocity Motion of Electron Bubbles in Superfluid Helium...........................317
    D. Jin and H. J. Maris

Self-Sustained Microwave Absorption Induced by Extremely High Radiation Intensities in
Surface Electrons on Liquid Helium....................................................................................................................324
    Denis Konstantinov and Kimitoshi Kono

Observation of single Compton-electron tracks in superfluid  4He by imaging laser-induced
 fluorescence from metastable helium molecules...................................................................................................331
    J. D. Wright, W. G. Rellergert, S. B. Cahn, A. Curioni,
   J. A. Nikkel and  D. N.
McKinsey

Using a cw 465nm laser to probe metastable He2 molecules.................................................................................339
    G. Tastevin, B. Glowacz and P.-J. Nacher

Studying the normal-fluid flow in Helium-II using metastable helium molecules.................................................346
    W. Guo, J.D. Wright, S.B. Cahn, J.A. Nikkel and D.N. McKinsey



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