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77 papers · 1 filter
Anisotropic magnetic field responses of ferroelectric polarization in a trigonal multiferroic CuFe1-xAlxO2 (x=0.015)
T. Nakajima, S. Mitsuda, S. Kanetsuki +9
We have investigated magnetic field dependences of a ferroelectric incommensurate-helimagnetic order in a trigonal magneto-electric (ME) multiferroic CuFe1-xAlxO2 with x=0.015, whi…
Crossing the Phantom Divide in Extended Dvali-Gabadadze-Porrati Gravity
Koichi Hirano, Zen Komiya
We propose a phantom crossing Dvali--Gabadadze--Porrati (DGP) model. In our model, the effective equation of state of the DGP gravity crosses the phantom divide line. We demonstrat…
Generalized Energy Statistics and Kostka--Macdonald Polynomials
Anatol N. Kirillov, Reiho Sakamoto
We give an interpretation of the t=1 specialization of the modified Macdonald polynomial as a generating function of the energy statistics defined on the set of paths arising in th…
Transport Currents and Persistent Currents in Solids: Orbital Magnetism and Hall Effect of Dirac Electrons
Hidetoshi Fukuyama, Yuki Fuseya, Akito Kobayashi
Features of electronic currents in solids are truly diverse depending on circumstances, e.g. non-equilibrium transport currents leading to dissipation and persistent currents flowi…
Local density of states and superconducting gap in the iron chalcogenide superconductor FeSeTe observed by scanning tunneling spectroscopy
Takuya Kato, Yoshikazu Mizuguchi, Hiroshi Nakamura +3
We report on the first investigation of the quasiparticle local density of states and superconducting gap in the iron chalcogenide superconductor FeSeTe ($T_{…
Quantum Dynamics of Atom-molecule BECs in a Double-Well Potential
A. Motohashi, T. Nikuni
We investigate the dynamics of two-component Bose-Josephson junction composed of atom-molecule BECs. Within the semiclassical approximation, the multi-degree of freedom of this sys…