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Related papers: Planar Aerogel and Superfluid $^3$He, Structure an…

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We have performed Small Angle X-ray Scattering (SAXS) on uniaxially strained aerogels and measured the strain-induced structural anisotropy. We use a model to connect our SAXS results to anisotropy of the 3He quasiparticle mean free path in…

Superconductivity · Physics 2009-11-11 J. Pollanen , H. Choi , J. P. Davis , S. Blinstein , T. M. Lippman , L. B. Lurio , N. Mulders , W. P. Halperin

One of the important problems of high-temperature superconductivity is to understand and ultimately to control fluxoid motion. We present the results of a new technique for measuring the pressure dependence of the transition to…

Superconductivity · Physics 2009-10-31 M. P. Raphael , M. E. Reeves , E. F. Skelton , C. Kendziora

We review equilibrium thermodynamic properties of systems of magnetic particles like ferrofluids in which dipolar interactions play an important role. The review is focussed on two subjects: ({\em i}) the magnetization with the initial…

Statistical Mechanics · Physics 2015-06-25 B. Huke , M. Luecke

We present a 3D fully selfconsistent multi-fluid hydrodynamic aeronomy model to study the structure of a hydrogen dominated expanding upper atmosphere around the hot Jupiter HD 209458b and the warm Neptune GJ 436b. In comparison to previous…

Earth and Planetary Astrophysics · Physics 2018-11-21 I. F. Shaikhislamov , M. L. Khodachenko , H. Lammer , A. G. Berezutsky , I. B. Miroshnichenko , M. S. Rumenskikh

Confinement of superfluid $^3$He on length scales comparable to the radial size of the p-wave Cooper pairs can greatly alter the phase diagram by stabilizing broken symmetry phases not observed in bulk $^3$He. We consider superfluid $^3$He…

Superconductivity · Physics 2015-11-09 J. J. Wiman , J. A. Sauls

Motivated by the disparity between the experimentally observed properties of superfluid 3He in aerogel and predictions of the Abrikosov and Gorkov theory of superconducting alloys we consider effect of correlated pair-breaking impurities on…

Disordered Systems and Neural Networks · Physics 2015-06-11 I. A. Fomin , E. V. Surovtsev

We report the discovery of a mixed orientational structure in the quasi-one-dimensional fluid of hard non-spherical bodies with the exact calculation of the thermodynamic and structural quantities using the transfer operator method. The…

Soft Condensed Matter · Physics 2025-10-13 Sakineh Mizani , Martin Oettel , Péter Gurin , Szabolcs Varga

Using liquid 3He in aerogel as an example, it is shown that correlations in positions of impurities affect the temperature $T_c$ of transition of Fermi liquid in an unconventional superfluid or superconductive state. The effect is…

Superconductivity · Physics 2009-11-13 I. A. Fomin

YBa$_{2}$Cu$_{3}$O$_{7}$ - La$_{2 / 3}$Sr$_{1 / 3}$MnO$_{3}$ heterostructures of [110] orientation are grown to allow direct injection of spin polarized holes from the La$_{2 / 3}$Sr$_{1 / 3}$MnO$_{3}$ into the CuO$_2$ superconducting…

Superconductivity · Physics 2012-01-27 Soumen Mandal , Saurabh K Bose , Rajeev Sharma , R C Budhani , Prahallad Padhan , Wilfrid Prellier

We present data for energy dissipation factor (Q^{-1}) over a broad temperature range at various pressures of a torsion pendulum setup used to study 3He confined in a 98% open silica aerogel. Values for Q^{-1} above T_c are temperature…

Superconductivity · Physics 2015-06-17 N. Zhelev , R. G. Bennett , E. N. Smith , J. Pollanen , W. P. Halperin , J. M. Parpia

In a p-wave Fermi superfluid suffering from the nonmagnetic impurity scatterings, a coefficient of a gradient term becomes divergent upon cooling. Consequences of this divergent rigidity in the stable vortices in the B phase in globally…

Superconductivity · Physics 2019-05-08 Natsuo Nagamura , Ryusuke Ikeda

Mixed $^3$He-$^4$He droplets created by hydrodynamic instability of a cryogenic fluid-jet may acquire angular momentum during their passage through the nozzle of the experimental apparatus. These free-standing droplets cool down to very low…

Quantum Gases · Physics 2020-08-12 Marti Pi , Francesco Ancilotto , Jose' Maria Escartin , Ricardo Mayol , Manuel Barranco

We here demonstrate that the superfluid 3He-B under a magnetic field in a particular direction stays topological due to a discrete symmetry, that is, in a symmetry protected topological order. Due to the symmetry protected topological…

Superconductivity · Physics 2012-10-18 Takeshi Mizushima , Masatoshi Sato , Kazushige Machida

We report on thermodynamic and optical measurements of the condensation process of $^4$He in three silica aerogels of different microstructures. For the two base-catalysed aerogels, the temperature dependence of the shape of adsorption…

We present the first theoretical calculation of the pressure-temperature-field phase diagram for the vortex phases of rotating superfluid $^3$He-B. Based on a strong-coupling extension of the Ginzburg-Landau theory that accounts for the…

Superconductivity · Physics 2020-02-11 Robert C. Regan , J. J. Wiman , J. A. Sauls

Using a modified Lennard-Jones model for elliptic particles and spherical impurities, we present results of molecular dynamics simulation in two dimensions. In one-component systems of elliptic particles, we find an orientation phase…

Soft Condensed Matter · Physics 2012-03-13 Kyohei Takae , Akira Onuki

We examine dense self-gravitating stellar systems dominated by a central potential, such as nuclear star clusters hosting a central supermassive black hole. Different dynamical properties of these systems evolve on vastly different…

Astrophysics of Galaxies · Physics 2017-06-20 Zacharias Roupas , Bence Kocsis , Scott Tremaine

We study a model for the Nematic--Smectic-A (NA) transition in aerogel, and find that even arbitrarily weak quenched disorder (i.e., low aerogel density) destroys translational (smectic) order. Ignoring elastic anharmonicities, but keeping…

Soft Condensed Matter · Physics 2009-10-30 Leo Radzihovsky , John Toner

Due to its broken spin and orbit rotation symmetries, superfluid $^3$He plays a unique role for testing rotational quantum properties on a macroscopic scale. In this system the orbital momentum forms textures that provide an effective…

Superconductivity · Physics 2007-05-23 A. S. Chen , Yu. M. Bunkov , H. Godfrin , R. Schanen , F. Scheffler

Surface scattering effects in thin films of the superfluid 3He B phase have been theoretically investigated, with an emphasis on the stability of the stripe order with spontaneous broken translational symmetry in the film plane and…

Superconductivity · Physics 2016-08-11 Kazushi Aoyama