Search Results - "MATSUURA, Tamifusa"
-
1
Melting Temperature of Metals Based on the Nearly Free Electron Model
Published in Journal of the Physical Society of Japan (15-05-2010)“…We propose a general formula for the melting temperature of metals in terms of electronic mass, electronic number, and nearest-neighbor lattice distance. We…”
Get full text
Journal Article -
2
Pseudogap phenomena and phase diagram in the two-band Hubbard model
Published in Journal of the Physical Society of Japan (01-05-2001)“…High-Tc superconducting materials (HTSC) have anomalous properties such as the pseudogap in the Hall coefficient, 1/T1T and the density of states etc. First,…”
Get full text
Journal Article -
3
Comments on superconducting fluctuation and transport phenomena in a quasi-2D electronic system
Published in Journal of the Physical Society of Japan (01-05-2003)“…Sato and the present authors have developed a theory where effects of the 2D superconducting fluctuations in a weak coupling case on the Cooper pairing…”
Get full text
Journal Article -
4
Quadrupolar order, hidden octupolar order and tiny magnetic moment in URu2Si2
Published in Journal of the Physical Society of Japan (2000)“…Possible orders in URu2Si2 are investigated using a two-channel degenerate Anderson model. The ground state of uranium ions is the non-Kramers quadrupolar…”
Get full text
Journal Article -
5
Phase diagram of the electron-doped cuprate superconductors
Published in Journal of the Physical Society of Japan (2002)“…We investigate the T-δ phase diagram of the electron-doped systems in high-Tc cuprates where δ is doping rate. Taking the ingap state and the superexchange…”
Get full text
Journal Article -
6
Itinerant electron antiferromagnetism in the Anderson lattice model
Published in Journal of the Physical Society of Japan (1998)“…We investigate the antiferromagnetic moment of heavy quasi-particles in the U-infinite degenerate Anderson lattice model of the square lattice where the…”
Get full text
Journal Article -
7
Fermi Liquid and Non-Fermi Liquid in Anderson Lattice
Published in Journal of the Physical Society of Japan (2000)“…We investigate electronic states in M-channel Anderson lattice model using expansion from the limit of large spin-orbital degeneracy N (1/N-expansion)…”
Get full text
Journal Article -
8
Pseudogap induced by superconducting fluctuation in the d-p model
Published in Journal of the Physical Society of Japan (01-08-1999)“…Using the d-p model, we demonstrate that the pseudogap, which is induced by the superconducting fluctuation, plays key roles in the determination of the phase…”
Get full text
Journal Article -
9
Superconductivity in the d-p model : Effects of quasi-2D fluctuation
Published in Journal of the Physical Society of Japan (01-08-1998)“…Effects of quasi-2D fluctuations on superconducting transition mediated by spin-fluctuations via superexchange interactions in the d-p model are investigated…”
Get full text
Journal Article -
10
Pairing interaction and superconducting transition temperature in the d-p model
Published in Journal of the Physical Society of Japan (01-09-1997)“…Effective pairing interaction and superconducting transition temperature Tc are investigated on the basis of the simplest d-p model by using the auxiliary…”
Get full text
Journal Article -
11
Finite temperature crossover in the d-p model
Published in Journal of the Physical Society of Japan (01-05-1995)“…We investigate finite temperature properties of theUd-infinite d-p model in the auxiliary boson representation withinthe leading order approximation in the…”
Get full text
Journal Article -
12
Non-fermi liquid in multichannel degenerate Anderson lattice
Published in Journal of the Physical Society of Japan (1999)“…We investigate electronic states in the multichannel degenerate Anderson lattice with the aid of the 1/N-expansion procedure. Inclusion of the self-energy in…”
Get full text
Journal Article -
13
Electronic state of the Anderson lattice over the whole temperature range
Published in Journal of the Physical Society of Japan (1991)“…Earlier we proposed a modified version of the Anderson lattice model where the intersite coherence effects can be properly included even in the large limit of…”
Get full text
Journal Article -
14
Critical study on 2D superconducting fluctuation : In a weak coupling case
Published in Journal of the Physical Society of Japan (01-07-2000)“…Effects of the 2D superconducting fluctuation in a weak coupling case on the Cooper pairing susceptibility χ(q, ω) and the single particle Green's function are…”
Get full text
Journal Article -
15
Non-Fermi liquid and Mott transition in the multi-channel two-band Hubbard model in infinite dimensions
Published in Physica. B, Condensed matter (01-06-2000)“…Electronic states in the single- and multi-channel two-band Hubbard models in infinite spatial dimensions are investigated by using the self-consistent 1/…”
Get full text
Journal Article -
16
Superexchange interaction in the d-p model
Published in Journal of the Physical Society of Japan (01-10-1998)“…An analytic form of superexchange interaction in the metallic phase of the d-p model simulating 2D electronic systems on CuO2 planes of high-Tc superconducting…”
Get full text
Journal Article -
17
Kondo insulator and charge transfer insulator in lattice Anderson model
Published in Journal of the Physical Society of Japan (1994)“…Properties of the heavy-fermion valence-fluctuating compounds leadingto insulating ground states (called Kondo insulators) are investigatedtheoretically by…”
Get full text
Journal Article -
18
d-Site substitution effects in the d-p model
Published in Journal of the Physical Society of Japan (01-01-1998)“…Effects of d-site substitution in the d-p model simulating a CuO2-plane in high-Tc cuprates are investigated using the slave boson technique and the…”
Get full text
Journal Article -
19
Infrared Divergence and Non-Fermi Liquid in Multichannel Degenerate Anderson Model
Published in Journal of the Physical Society of Japan (1997)“…As a straightforward extention of the study on infrared divergences in pseudo-particle spectra in the single-channel degenerate impurity Anderson model, those…”
Get full text
Journal Article -
20
Infrared divergence in pseudo-particle spectra
Published in Journal of the Physical Society of Japan (01-05-1997)“…Infrared divergence in the pseudo-particle spectra of the degenerate impurity Anderson model described in terms of the auxiliary particles is examined…”
Get full text
Journal Article