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19912026
most citedPlanck 2015 results. XIII. Cosmological parameters

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114 papers · 1 filter

astro-ph1999★ 1 cited

The Cosmological Consequences of the Preon Structure of Matter

Vladimir Burdyuzha, Grigory Vereshkov, Olga Lalakulich +1

If the preon structure of quarks, leptons and gauge bosons will be proved then in the Universe during a relativistic phase transition the production of nonperturbative preon conden…

astro-ph1999

Space Positronium Detection by Radio Measurements

V. Burdyuzha, Ph. Durouchoux, V. Kauts

The possibility of positronium detection at radio wavelengths is investigated in detail. For orthopositronium, the fine structure lines of the n = 2 level (1.62 cm, 2.30 cm and 3.4…

astro-ph1999

The Forming of the Cosmological Constant

Vladimir Burdyuzha, Olga Lalakulich, Yuri Ponomarev +1

The problem of the physical nature and the cosmological constant genesis is discussed. This problem can't be solved in terms of the current quantum field theory which operates with…

hep-th1999★ 12 cited

Duality in Integrable Systems and Generating Functions for New Hamiltonians

A. Marshakov

Duality in the integrable systems arising in the context of Seiberg-Witten theory shows that their tau-functions indeed can be seen as generating functions for the mutually Poisson…

cond-mat.supr-con1999

3D-melting features of the irreversibility line in overdoped BiSrCuO at ultra-low temperature and high magnetic field

A. Morello, A. G. M. Jansen, R. S. Gonnelli +1

We have measured the irreversible magnetization of an overdoped BiSrCuO single crystal up to B=28 T and down to T=60 mK, and extracted the irreversibility line $B_{\rm…

cond-mat.supr-con1999★ 6 cited

Resistivity and electron-phonon coupling in YNiBC single crystals

R. S. Gonnelli, V. A. Stepanov, A. Morello +5

In this work, we present the results of precise measurements of the resistivity of YNiBC single crystals with = 15.5 K as a function of the temperature, and ana…

cond-mat.supr-con1999★ 3 cited

ab-plane resistivity and possible charge stripe ordering in strongly underdoped LaSrCuO single crystals

R. S. Gonnelli, V. A. Stepanov, A. Morello +4

We have measured the ab-plane resistivity of LaSrCuO single crystals with small Sr content (x=0.052 0.075) between 4.2 and 300 K by using the AC Van der Pauw te…

cond-mat.mes-hall1999

Exciton magnetotransport in two-dimensional systems: Weak-localization effects

P. I. Arseev, A. B. Dzyubenko

We consider the effect of a magnetic field on the transport of neutral composite particles, excitons, in weakly disordered 2D systems. In the case of classical transport, when…

cond-mat.supr-con1999

Why have no manifestations of the excitonic mechanism have been detected in Ginzburg sandwiches?

Yu. A. Krotov, I. M. Suslov

The Ginzburg sandwich is a superconducting film coated with a dielectric layer containing Bose-type exitations, i.e. exitons. Using spatially inhomogeneous Eliashberg equations in…

gr-qc1999★ 1 cited

On energy-momentum tensors of gravitational field

A. I. Nikishov

Several energy-momentum "tensors" of gravitational field are considered and compared in the lowest approximation. Each of them together with energy-momentum tensor of point-like pa…

hep-ph1999★ 16 cited

NLO correction to one-particle inclusive production at high energies

Dmitry Ostrovsky

Next-to-leading order correction to the one-particle inclusive cross section in the framework of high energy factorization is calculated. Numerical results for midrapidity region a…

hep-th1999★ 64 cited

Superfield BRST Charge and the Master Action

M. Grigoriev, P. H. Damgaard

Using a superfield formulation of extended phase space, we propose a new form of the Hamiltonian action functional. A remarkable feature of this construction is that it directly le…

hep-th1999★ 19 cited

Coordinate-Free Action for AdS3 Higher-Spin-Matter Systems

Sergey Prokushkin, Arkady Segal, Mikhail Vasiliev

A coordinate-free action principle for the N=2 supersymmetric model of spin 0 and spin 1/2 matter fields interacting via Chern-Simons higher spin gauge fields in AdS3 is formulated…

hep-th1999★ 5 cited

Common vacuum conservation amplitude in the theory of the radiation of mirrors in two-dimensional space-time and of charges in four-dimensional space-time

V. I. Ritus

The action changes (and thus the vacuum conservation amplitudes) in the proper-time representation are found for an accelerated mirror interacting with scalar and spinor vacuum fie…

hep-th1999★ 45 cited

On Equivalence of Duffin-Kemmer-Petiau and Klein-Gordon Equations

V. Ya. Fainberg, B. M. Pimentel

A strict proof of equivalence between Duffin-Kemmer-Petiau (DKP) and Klein-Gordon (KG) theories is presented for physical S-matrix elements in the case of charged scalar particles…

cond-mat.mes-hall1999★ 8 cited

Persistent currents and magnetic flux trapping in fragments of carbon deposits containing multiwalled nanotubes

V. I. Tsebro, O. E. Omelyanovskii, A. P. Moravskii

It is found that the magnetization curves of samples of fragments of cathode carbon deposits with a high content of multiwalled nanotubes exhibit a pronounced irreversible characte…

quant-ph1999

Quantum Information, Irreversibility and State Collapse in Some Microscopic Models of Measurement

S. Mayburov

The quantum measurement problem considered for measuring system (MS) model which consist of measured state S (particle), detector D and information processing device O. For spin ch…

astro-ph1999★ 1 cited

Binary Pulsar Tests of General Relativity in the Presence of Low-Frequency Noise

Sergei M. Kopeikin, Vladimir A. Potapov

The influence of the low-frequency timing noise on the precision of measurements of the Keplerian and post-Keplerian orbital parameters in binary pulsars is studied. Fundamental li…

cond-mat.mes-hall1999★ 7 cited

Interaction and Quantum Decoherence in Disordered Conductors

A. D. Zaikin, D. S. Golubev

We present a nonperturbative approach which allows to evaluate the weak localization correction to the conductivity of disordered conductors in the presence of interactions. The ef…

cond-mat.mes-hall1999

Quantum Fluctuations and Dissipation in Thin Superconducting Wires

A. D. Zaikin, D. S. Golubev, A. van Otterlo +1

We investigate quantum fluctuations in thin superconducting wires. We demonstrate that quantum phase slips dominate the system behavior at low temperatures and are well in the meas…

hep-ex1999★ 44 cited

Measurement of Longitudinal Spin Transfer to Lambda Hyperons in Deep-Inelastic Lepton Scattering

HERMES Collaboration, A. Airapetian

Spin transfer in deep-inelastic Lambda electroproduction has been studied with the HERMES detector using the 27.6 GeV polarized positron beam in the HERA storage ring. For an avera…

hep-ex1999★ 71 cited

Nuclear Effects on R = sigma_L / sigma_T in Deep-Inelastic Scattering

K. Ackerstaff

Cross section ratios for deep-inelastic scattering from 14N and 3He with respect to 2H have been measured by the HERMES experiment at DESY using a 27.5 GeV positron beam. The data…

physics.atom-ph1999

Antiproton transfer from antiprotonic Helium to noble gas contaminants

G. V. Margagliotti, G. Pauli, L. Santi +3

The state dependent quenching mechanism of metastable antiprotonic He atoms by contaminants is suggested to explain existing experimental data. The effect of antiproton transfer fr…

hep-ex1999★ 293 cited

Observation of a Single-Spin Azimuthal Asymmetry in Semi-Inclusive Pion Electro-Production

A. Airapetian

Single-spin asymmetries for semi-inclusive pion production in deep-inelastic scattering have been measured for the first time. A significant target-spin asymmetry of the distributi…