2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Russian Academy of SciencesRU151 papers
- University of TrentoIT90 papers
- National Research University Higher School of EconomicsRU47 papers
- Moscow Institute of Physics and TechnologyRU45 papers
- ETH ZurichCH32 papers
- Istituto Nazionale per la Fisica della MateriaIT27 papers
- Laboratory for Solid State PhysicsCH26 papers
- Institute of PhysicsPL22 papers
- Landau Institute for Theoretical PhysicsRU20 papers
- A.V. Shubnikov Institute of CrystallographyRU17 papers
- Technion – Israel Institute of TechnologyIL16 papers
- University of AugsburgDE16 papers
24 papers · 1 filter
Density pattern in supercritical flow of liquid He-4
F. Ancilotto, F. Dalfovo, L. P. Pitaevskii +1
A density functional theory is used to investigate the instability arising in superfluid He as it flows at velocity u just above the Landau critical velocity of rotons v_c. Con…
Fracture and Friction: Stick-Slip Motion
Efim A. Brener, S. V. Malinin, V. I. Marchenko
We discuss the stick-slip motion of an elastic block sliding along a rigid substrate. We argue that for a given external shear stress this system shows a discontinuous nonequilibri…
The "normal" state of superconducting cuprates might really be normal after all
V. N. Zavaritsky, A. S. Alexandrov
High magnetic field studies of cuprate superconductors revealed a non-BCS temperature dependence of the upper critical field determined resistively by several groups. T…
Simple theory of extremely overdoped HTS
A. F. Andreev
We demonstrate the existence of a simple physical picture of superconductivity for extremely overdoped CuO2 planes. It possesses all characteristic features of HTS, such as a high…
Landau dynamics of a grey soliton in a trapped condensate
Vladimir V. Konotop, Lev Pitaevskii
It is shown that grey soliton dynamics in an one-dimensional trap can be treated as Landau dynamics of a quasi-particle. A soliton of arbitrary amplitude moves in the trapping pote…
Effect of the Casimir-Polder force on the collective oscillations of a trapped Bose-Einstein condensate
Mauro Antezza, Lev P. Pitaevskii, Sandro Stringari
We calculate the effect of the interaction between an optically active material and a Bose-Einstein condensate on the collective oscillations of the condensate. We provide explicit…
Sound propagation and oscillations of a superfluid Fermi gas in the presence of a 1D optical lattice
L. P. Pitaevskii, S. Stringari, G. Orso
We develop the hydrodynamic theory of Fermi superfluids in the presence of a periodic potential. The relevant parameters governing the propagation of sound (compressibility and eff…
Measurement of Turbulence in Superfluid 3He-B
A. P. Finne, S. Boldarev, V. B. Eltsov +1
The experimental investigation of superfluid turbulence in 3He-B is generally not possible with the techniques which have been developed for 4He-II. We describe a new method by whi…
On the interpretation of the equilibrium magnetization in the mixed state of high-Tc superconductors
I. L. Landau, H. R. Ott
We apply a recently developed scaling procedure to the analysis of equilibrium magnetization M(H) data that were obtained for T-2212 and Bi-2212single crystals and were reported in…
Phase diagram of turbulence in superfluid 3He-B
A. P. Finne, S. Boldarev, V. B. Eltsov +1
In superfluid 3He-B mutual-friction damping of vortex-line motion decreases roughly exponentially with temperature. We record as a function of temperature and pressure the transiti…
Heat Transfer in Superfluids: Effect of Gravity
L. A. Melnikovsky
We discuss the influence of an external field on energy transport in superfluid. He-II is not isothermal in presence of Earth gravity; instead, it supports finite temperature gradi…
Thermodynamics of Superfluidity
A. F. Andreev, L. A. Melnikovsky
New, superfluid specific additive integral of motion is found. This facilitates investigation of general thermodynamic equilibrium conditions for superfluid. The analysis is perfor…
Field-controlled phase separation at the impurity-induced magnetic ordering in the spin-Peierls magnet CuGeO3
V. N. Glazkov, A. I. Smirnov, H. -A. Krug von Nidda +3
The fraction of the paramagnetic phase surviving at the impurity-induced antiferromagnetic order transition of the doped spin-Peierls magnet Cu(1-x)Mg(x)GeO3 (x < 5%) is found to i…
Dynamics of anisotropic spin dimer system in strong magnetic field
A. K. Kolezhuk, V. N. Glazkov, H. Tanaka +1
Recently measured high-field ESR spectra of the spin dimer material TlCuCl3 are described within the framework of an effective field theory. A good agreement between the theory and…
Equilibrium magnetization in the vicinity of the first order phase transition in the mixed state of high-Tc superconductors
I. L. Landau, H. R. Ott
We present the results of a scaling analysis of isothermal magnetization M(H) curves measured in the mixed state of high-Tc superconductors in the vicinity of the established first…
Propagation of sound in a Bose Einstein condensate in an optical lattice
C. Menotti, M. Kramer, A. Smerzi +2
We study the propagation of sound waves in a Bose-Einstein condensate trapped in a one-dimensional optical lattice. We find that the velocity of propagation of sound wavepackets de…
Magnetocaloric effect in pyrochlore antiferromagnet Gd2Ti2O7
S. S. Sosin, L. A. Prozorova, A. I. Smirnov +5
An adiabatic demagnetization process is studied in Gd2Ti2O7, a geometrically frustrated antiferromagnet on a pyrochlore lattice. In contrast to conventional paramagnetic salts, thi…
Umklapp collisions and center of mass oscillation of a trapped Fermi gas
G. Orso, L. P. Pitaevskii, S. Stringari
Starting from the the Boltzmann equation, we study the center of mass oscillation of a harmonically trapped normal Fermi gas in the presence of a one-dimensional periodic potential…
Vortex formation in neutron-irradiated rotating superfluid 3He-B
A. P. Finne, S. Boldarev, V. B. Eltsov +1
A convenient method to create vortices in meta-stable vortex-free superflow of 3He-B is to irradiate with thermal neutrons. The vortices are then formed in a rapid non-equilibrium…
A general thick brane supported by a scalar field
Kirill A. Bronnikov, Boris E. Meierovich
A thick Z_2-symmetric domain wall supported by a scalar field with an arbitrary potential V(ϕ) in 5D general relativity is considered as a candidate brane world. We show that, unde…
Insulating Behavior of a Trapped Ideal Fermi Gas
L. Pezze', L. Pitaevskii, A. Smerzi +7
We investigate theoretically and experimentally the center-of-mass motion of an ideal Fermi gas in a combined periodic and harmonic potential. We find a crossover from a conducting…
Tkachenko oscillations and the compressibility of a rotating Bose gas
M. Cozzini, L. P. Pitaevskii, S. Stringari
The elastic oscillations of the vortex lattice of a cold Bose gas (Tkachenko modes) are shown to play a crucial role in the saturation of the compressibility sum rule, as a consequ…
Superfluid Phases of 3He in Aerogel
I. A. Fomin
Within a phenomenological approach a criterion for a choice of forms of the order parameter of the superfluid phases of 3He in aerogel in a vicinity of the transition temperature i…
Nernst effect in poor conductors and the cuprate superconductors
A. S. Alexandrov, V. N. Zavaritsky
We calculate the Nernst signal in disordered conductors with the chemical potential near the mobility edge. The Nernst effect originates from interference of itinerant and localise…