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We present a theoretical study of resonant frequencies and spatial correlations of Josephson phases in frustrated arrays of Josephson junctions. Two types of one-dimensional arrays, namely, the diamond and sawtooth chains, are discussed.…

Mesoscale and Nanoscale Physics · Physics 2019-02-20 A. Andreanov , M. V. Fistul

We present an experimental and numerical study of three-magnon splitting in a micrometer-sized magnetic disk with the vortex state strongly deformed by static in-plane magnetic fields. Excited with a large enough power at frequency…

Mesoscale and Nanoscale Physics · Physics 2023-03-08 Lukas Körber , Christopher Heins , Ivan Soldatov , Rudolf Schäfer , Attila Kákay , Helmut Schultheiss , Katrin Schultheiss

We derive a generalized linear dispersion relation of waves in a strongly magnetized, compressible, homogeneous and isotropic quasineutral plasma. Starting from a two fluid model, describing distinguishable electron and ion fluids, we…

Space Physics · Physics 2010-05-27 Dastgeer Shaikh , B. Dasgupta , P. K. Shukla

Stochastic dynamics of a vortex filament obeying local induced approximation equation plus random agitation is investigated by analytical and numerical methods. The character of a stirring force is supposed to be a white noise with spatial…

Statistical Mechanics · Physics 2007-05-23 Sergey K. Nemirovskii , A. Ja. Baltsevich

The phase difference between the banks of an edge-type planar Josephson junction crossing the narrow thin-film strip depends on wether or not vortices are present in the junction banks. For a vortex close to the junction this effect has…

Superconductivity · Physics 2015-06-18 V. G. Kogan , R. G. Mints

Magnetic field fluctuations in the solar wind are commonly observed to follow a power law spectrum. Near proton-kinetic scales, a spectral break occurs which is commonly interpreted as a transition to kinetic turbulence. However, this…

We study the supercurrent in quasi-one-dimensional Josephson junctions with a weak link involving magnetism, either via magnetic impurities or via ferromagnetism. In the case of weak links longer than {\color{black}the magnetic…

Mesoscale and Nanoscale Physics · Physics 2018-12-24 P. A. Ioselevich , P. M. Ostrovsky , Ya. V. Fominov

The dynamics of tilted vortex lines in Josephson-coupled layered superconductors is considered within the time-dependent Ginzburg-Landau theory. The frequency and angular dependences of the complex-valued vortex mobility $\mu$ are studied.…

Condensed Matter · Physics 2009-10-28 A. S. Mel'nikov

We study a nonuniversal contribution to the dephasing rate of conduction electrons due to local vibrational modes. The inelastic scattering rate is strongly influenced by multiphonon excitations, exhibiting oscillatory behaviour. For higher…

Strongly Correlated Electrons · Physics 2009-11-13 Balázs Dóra , Miklós Gulácsi

We investigate the effect of a magnetic field on a bosonic ladder. We show that such a system leads to the one dimensional equivalent of a vortex lattice in a superconductor. We investigate the physical properties of the vortex phase, such…

Strongly Correlated Electrons · Physics 2009-10-31 E. Orignac , T. Giamarchi

We investigate the effect of magnetic field on a photonic-crystal Josephson traveling-wave parametric amplifier (TWPA). We show that the observed change in photonic bandgap and plasma frequency of the TWPA can be modeled by considering the…

Quantum Physics · Physics 2024-11-12 L. M. Janssen , G. Butseraen , J. Krause , A. Coissard , L. Planat , N. Roch , G. Catelani , Yoichi Ando , C. Dickel

Recent observations reveal that magnetic turbulence in the nearly colisionless solar wind plasma extends to scales smaller than the plasma microscales, such as ion gyroradius and ion inertial length. Measured breaks in the spectra of…

Space Physics · Physics 2015-07-03 Stanislav Boldyrev , Christopher H. K. Chen , Qian Xia , Vladimir Zhdankin

We consider a one-dimensional Josephson junction in a superconducting film with the thickness that is much less than the London penetration depth. We treat an electromagnetic wave propagating along this tunnel contact. We show that the…

Condensed Matter · Physics 2009-10-22 R. G. Mints , I. B. Snapiro

We construct numerically static vortex solutions in a holographic model of two-band superconductor with an interband Josephson coupling in both the superfluid and superconductor regime. We investigate the effects of the interband coupling…

High Energy Physics - Theory · Physics 2016-05-25 Mu-Sheng Wu , Shang-Yu Wu , Hai-Qing Zhang

Radio signals propagating via the solar corona and solar wind are significantly affected by compressive waves, impacting properties of solar bursts as well as sources viewed through the turbulent solar atmosphere. While static fluctuations…

Solar and Stellar Astrophysics · Physics 2024-04-23 Francesco Azzollini , A. Gordon Emslie , Daniel L. Clarkson , Nicolina Chrysaphi , Eduard P. Kontar

Perpendicular magnetic anisotropy (PMA) and low magnetic damping are the key factors for the free layer magnetization switching by spin transfer torque technique in magnetic tunnel junction devices. The magnetization precessional dynamics…

Materials Science · Physics 2015-05-15 B. Samantaray , Akhilesh K. Singh , A. Perumal , R. Ranganathan , P. Mandal

We consider the ground state configurations of the Josephson vortex lattice in layered superconductors. Due to commensurability effects with the layered structure, the lattice has multiple configurations, both aligned with layers and…

Superconductivity · Physics 2007-05-23 A. E. Koshelev

The dispersion relation and damping rate of longitudinal color plasmons in finite strange quark matter (strangelets) are evaluated in the limits of weak coupling, low temperature, and long wavelength. The property of the QCD vacuum…

Nuclear Theory · Physics 2009-10-31 Kei Iida

We study the structure of pairing order parameter for spin-1/2 fermions with attractive interactions in a square lattice under a uniform magnetic field. Because the magnetic translation symmetry gives a unique degeneracy in the…

Quantum Gases · Physics 2010-04-14 Hui Zhai , R. O. Umucalilar , M. O. Oktel

Consideration of the balance of forces on superconducting condensate at low frequencies leads to the well-known Josephson Relation. Using the Ginzburg-Landau expression for the current, an expression relating the electric field to the…

Superconductivity · Physics 2010-09-27 Pei-Jen Lin , P. Lipavský , Peter Matlock