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19922026
most citedTheory of ultracold Fermi gases

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cond-mat.str-el2003★ 73 cited

Spin-resonance modes of the spin-gap magnet TlCuCl_3

V. N. Glazkov, A. I. Smirnov, H. Tanaka +1

Three kinds of magnetic resonance signals were detected in crystals of the spin-gap magnet TlCuCl_3. First, we have observed the microwave absorption due to the excitation of the t…

cond-mat.str-el2003

Spin-dependent transport in phase-separated manganites

K. I. Kugel, A. L. Rakhmanov, A. O. Sboychakov +3

Starting from the assumption that ferromagnetically correlated regions exist in manganites even in the absence of long-range magnetic order, we construct a model of charge transfer…

cond-mat.supr-con2003★ 3 cited

'Giant' normal state magnetoresistances of BiSrCaCuO

V. N. Zavaritsky, J. Vanacken, V. V. Moshchalkov +1

Magnetoresistance (MR) of Bi-2212 single crystals with T is studied in pulsed magnetic fields up to 50T along the c-axis in a wide temperature range. The ne…

cond-mat.supr-con2003★ 18 cited

Robust superfluid phases of 3He in aerogel

I. A. Fomin

Within a phenomenological approach possible forms of the order parameter of the superfluid phases of 3He in a vicinity of the transition temperature are discussed. Effect of aeroge…

cond-mat2003★ 46 cited

Momentum distribution of a trapped Fermi gas with large scattering length

L. Viverit, S. Giorgini, L. P. Pitaevskii +1

Using a scattering length parametrization of the BCS-BEC crossover as well as the local density approximation for the density profile, we calculate the momentum distribution of a h…

cond-mat.supr-con2003★ 3 cited

Unusual magnetic field-induced phase transition in the mixed state of superconducting NbSe2

A. V. Sologubenko, I. L. Landau, H. R. Ott +3

The thermal conductivity κin the basal plane of single-crystalline hexagonal NbSe2 has been measured as a function of magnetic field H, oriented both along and perpendicular to the…

cond-mat.soft2003★ 301 cited

Motion of a heavy impurity through a Bose-Einstein condensate

G. E. Astrakharchik, L. P. Pitaevskii

We study motion of a point-like impurity in a Bose-Einstein condensate at T=0. By solving the Gross-Pitaevskii equation in a perturbative manner we calculate the induced mass of th…

cond-mat.supr-con2003

Ambivalence of the anisotropy of the vortex lattice in an anisotropic type-II superconductor

I. L. Landau, A. V. Sologubenko, H. R. Ott

We present a geometry-based discussion of possible vortex configurations in the mixed state of anisotropic type-II superconductors. It is shown that, if energy considerations assig…

cond-mat2003★ 113 cited

Bose-Einstein condensates in 1D optical lattices: compressibility, Bloch bands and elementary excitations

Meret Kraemer, Chiara Menotti, Lev Pitaevskii +1

We discuss the Bloch-state solutions of the stationary Gross-Pitaevskii equation and of the Bogoliubov equations for a Bose-Einstein condensate in the presence of a one-dimensional…

cond-mat2003★ 195 cited

Transition to superfluid turbulence governed by an intrinsic parameter

A. P. Finne, T. Araki, R. Blaauwgeers +6

Hydrodynamic flow in both classical and quantum fluids can be either laminar or turbulent. To describe the latter, vortices in turbulent flow are modelled with stable vortex filame…

cond-mat.supr-con2003★ 9 cited

Temperature dependence of the upper critical field of high-Tc superconductors from isothermal magnetization data. Influence of a temperature dependent Ginzburg-Landau parameter

I. l. Landau, H. R. Ott

We show that the scaling procedure, recently proposed for the evaluation of the temperature variation of the normalized upper critical field of type-II superconductors, may easily…

cond-mat.supr-con2003★ 23 cited

Hall effect and resistivity in underdoped cuprates

A. S. Alexandrov, V. N. Zavaritsky, S. Dzhumanov

The behaviour of the Hall ratio as a function of temperature is one of the most intriguing normal state properties of cuprate superconductors. One feature of all the dat…

cond-mat.stat-mech2003★ 19 cited

Thermodynamic inequalities in superfluid

A. F. Andreev, L. A. Melnikovsky

We investigate general thermodynamic stability conditions for the superfluid. This analysis is performed in an extended space of thermodynamic variables containing (along with the…

cond-mat2003★ 30 cited

Structure of surface vortex sheet between two rotating 3He superfluids

R. Hänninen, R. Blaauwgeers, V. B. Eltsov +4

We study a two-phase sample of superfluid 3He where vorticity exists in one phase (3He-A) but cannot penetrate across the interfacial boundary to a second coherent phase (3He-B). W…

hep-th2003★ 7 cited

Manifestation of additional dimensions of space-time in mesoscopic systems

A. F. Andreev

We note that the existence of physical states which are coherent superpositions of states with even and odd numbers of fermions means the existence, together with x,y,z,t, of addit…

cond-mat.supr-con2003★ 15 cited

Order parameter of A-like phase of He in aerogel

I. A. Fomin

Phenomenological criterion of a choice of the order parameter for superfluid phases of He in aerogel in a near vicinity of the transition temperature is formulated. Except for…

cond-mat.str-el2003★ 34 cited

Nanoscale phase separation in manganites

M. Yu. Kagan, A. V. Klaptsov, I. V. Brodsky +3

We study the possibility of nanoscale phase separation in manganites in the framework of the double exchange model. The homogeneous canted state of this model is proved to be unsta…

gr-qc2003★ 3 cited

Multidimensional Global Monopole and Nonsingular Cosmology

Kirill A. Bronnikov, Boris E. Meierovich

We consider a spherically symmetric global monopole in general relativity in -dimensional spacetime. The monopole is shown to be asymptotically flat up to a solid angle de…