Yamasaki, A., Imada, S., Takase, K., Muro, T., Kato, Y., Kobori, H., ...
We have investigated the electronic structures of newly discovered superconductor FeSe1-x by bulk-sensitive photoemission spectroscopy (PES). The large Fe 3d spectral weight is located in the...
Bandstructure meets many-body theory: The LDA+DMFT method (2008)
Held, K., Andersen, O. K., Feldbacher, M., Yamasaki, A.
Ab initio calculation of the electronic properties of materials is a major challenge for solid state theory. Whereas the experience of forty years has proven density functional theory (DFT) in a...
Tsunekawa, M., Imada, S., Matsumoto, A., Yamasaki, A., Suga, S., Schmid, B., ...
Soft X-ray magnetic circular dichroism (XMCD) measurements were performed at the L3 edge of manganese for MnFeP0.78Ge0.22 at 290 and 279 K. Temperature and magnetic field dependence of the XMCD...
Sr$_2$(Ba$_2$)VO$_4$ under pressure -- an orbital switch and potential $d^1$ superconductor (2006)
Arita, R., Yamasaki, A., Held, K., Matsuno, J., Kuroki, K.
We study Sr$_2$(Ba$_2$)VO$_4$ under high pressure by means of the local density approximation + dynamical mean field theory method. While Sr$_2$VO$_4$ is a 1/6-filling three-band system at ambient...
Half-Metallic Ferromagnetism and the spin polarization in CrO$_2$ (2006)
Chioncel, L., Allmaier, H., Arrigoni, E., Yamasaki, A., Daghofer, M., Katsnelson, M. I., ...
We present electronic structure calculations in combination with local and non-local many-body correlation effects for the half-metallic ferromagnet CrO$_2$. Finite-temperature Dynamical Mean Field...
Photoemission study of (V$_{1-x}$M$_x$)$_2$O$_3$ (M=Cr, Ti) (2006)
Denlinger, J. D., Allen, J. W., Sekiyama, A., ...
We present high-resolution bulk-sensitive photoemission spectra of (V$_{1-x}$M$_x$)$_2$O$_3$ (M=Cr, Ti). The measurements were made for the paramagnetic metal (PM), paramagnetic insulator (PI), and...
Lechermann, F., Georges, A., Poteryaev, A., Biermann, S., Posternak, M., Yamasaki, A., ...
A versatile method for combining density functional theory (DFT) in the local density approximation (LDA) with dynamical mean-field theory (DMFT) is presented. Starting from a general...
Model Hamiltonian parameters for half-metallic ferromagnets NiMnSb and CrO2 (2006)
Yamasaki, A., Chioncel, L., Lichtenstein, A. I., Andersen, O. K.
Using the recently developed Nth-order muffin-tin-orbital (NMTO) based downfolding technique we revisit the electronic properties of half-metallic ferromagnets, the semi-Heusler NiMnSb and rutile...
Pressure-induced metal-insulator transition in LaMnO3 is not of Mott-Hubbard type (2006)
Yamasaki, A., Feldbacher, M., Andersen, O. K., Held, K.
Calculations employing the local density approximation combined with static and dynamical mean-field theories (LDA+U and LDA+DMFT) indicate that the metal-insulator transition observed at 32 GPa in...
Pressure-Induced Metal-Insulator Transition in LaMnO3 Is Not of Mott-Hubbard Type (2006)
Yamasaki, A., Feldbacher, M., Yang, Y. F., Andersen, O. K., Held, K.
Calculations employing the local density approximation combined with static and dynamical mean field theories (LDA+U and LDA+DMFT) indicate that the metal-insulator transition observed at 32 GPa in...
Static versus dynamical mean-field theory of Mott antiferromagnets (2006)
Sangiovanni, G., Toschi, A., Koch, E., Held, K., Capone, M., Castellani, C., ...
Static vs. dynamical mean field theory of Mott antiferromagnets (2006)
Sangiovanni, G., Toschi, A., Koch, E., Held, K., Capone, M., Castellani, C., ...
Model Hamiltonian parameters for half-metallic ferromagnets NiMnSb and CrO2 (2006)
Yamasaki, A., Chioncel, L., Lichtenstein, A. I., Andersen, O. K.
Static versus dynamical mean-field theory of Mott antiferromagnets (2006)
Sangiovanni, G., Toschi, A., Koch, E., Held, K., Capone, M., Castellani, C., ...
This version is available at the following Publisher URL: http://prb.aps.org
Lechermann, F., Georges, A., Poteryaev, A., Biermann, S., Posternak, M., Yamasaki, A., ...
A versatile method for combining density functional theory in the local density approximation with dynamical mean-field theory (DMFT) is presented. Starting from a general basis-independent...
Electronic structure of antiferromagnetic LaMnO3 and the effects of charge polarization (2006)
Nohara, Y., Yamasaki, A., Kobayashi, S., Fujiwara, T.
The electronic structure of A-type antiferromagnetic insulator LaMnO3 is investigated by the GW approximation. The band gap and spectrum are in a good agreement with experimental observation. The...
Static vs. dynamical mean field theory of Mott antiferromagnets (2005)
Sangiovanni, G., Toschi, A., Koch, E., Held, K., Capone, M., Castellani, C., ...
Studying the antiferromagnetic phase of the Hubbard model by dynamical mean field theory, we observe striking differences with static (Hartree-Fock) mean field: The Slater band is strongly...
Electronic structure of A-type antiferomagnetic LaMnO_3 by GW approximation (2005)
Nohara, Y., Yamasaki, A., Kobayashi, S., Fujiwara, T.
The electronic structure of the A-type antiferromagnetic insulator LaMnO3 is investigated by the GW approximation. The band gap and spectrum are in a good agreement with experimental observation. The...
Hozoi, L., Nishimoto, S., Yamasaki, A.
We perform first principles, multiconfiguration calculations on clusters including several CuO$_6$ octahedra and study the ground-state electron distribution and electron--lattice couplings when...
How chemistry controls electron localization in 3d1 perovskites: A Wannier-function study (2005)
Pavarini, E., Yamasaki, A., Nuss, J., Andersen, O. K.
In the series of 3d1 t2g perovskites, SrVO3--CaVO3--LaTiO3--YTiO3 the transition-metal d electron becomes increasingly localized and undergoes a Mott transition between CaVO3 and LaTiO3. By defining...
Suga, S., Imada, S., Higashiya, A., Shigemoto, A., Kasai, S., Sing, M., ...
We report on the Cu 1s resonant inelastic X-ray scattering (RIXS) of Cu-O one-dimensional (1D) strongly correlated insulator systems with contrasting atomic arrangements, namely edge-sharing CuGeO3...
Hozoi, L., Nishimoto, S., Yamasaki, A.
We analyze the electronic structure of a mixed-valence ladder system. We find that structural anisotropy and complex electron correlations lead to on-rung charge localization and insulating...
Distribution of phenotypically disparate myocyte subpopulations in airway smooth muscle (2005)
Halayko, AJ, Stelmack, GL, Yamasaki, A, McNeill, K, Unruh, H, Rector, E
Phenotype and functional heterogeneity of airway smooth muscle (ASM) cells in vitro is well known, but there is limited understanding of these features in vivo. We tested whether ASM is composed of...
Distribution of phenotypically disparate myocyte subpopulations in airway smooth muscle (2005)
Halayko, AJ, Stelmack, GL, Yamasaki, A, McNeill, K, Unruh, H, Rector, E
Phenotype and functional heterogeneity of airway smooth muscle (ASM) cells in vitro is well known, but there is limited understanding of these features in vivo. We tested whether ASM is composed of...
Distribution of phenotypically disparate myocyte subpopulations in airway smooth muscle (2005)
Halayko, AJ, Stelmack, GL, Yamasaki, A, McNeill, K, Unruh, H, Rector, E
Phenotype and functional heterogeneity of airway smooth muscle (ASM) cells in vitro is well known, but there is limited understanding of these features in vivo. We tested whether ASM is composed of...
Distribution of phenotypically disparate myocyte subpopulations in airway smooth muscle (2005)
Halayko, AJ, Stelmack, GL, Yamasaki, A, McNeill, K, Unruh, H, Rector, E
Phenotype and functional heterogeneity of airway smooth muscle (ASM) cells in vitro is well known, but there is limited understanding of these features in vivo. We tested whether ASM is composed of...
Allen, J. W., Denlinger, J. D., ...
Photoemission spectra of the paramagnetic insulating (PI) phase of (V_0.972Cr_0.028)_2O_3, taken in ultra high vacuum up to the unusually high temperature (T) of 800 K, reveal a property unique to...
Technique for bulk Fermiology by photoemission applied to layered ruthenates (2004)
Sekiyama, A., Kasai, S., Tsunekawa, M., Ishida, Y., Sing, M., Irizawa, A., ...
We report the Fermi surfaces of the superconductor Sr2RuO4 and the non-superconductor Sr1.8Ca0.2RuO4 probed by bulk-sensitive high-energy angle-resolved photoemission. It is found that there is one...
Allen, J. W., Denlinger, J. D., ...
Spin-polarized STS study of Fe nano-magnets on W(001) (2004)
Yamasaki, A., Wulfhekel, W., Hertel, R., Suga, S., Kirschner, J.
Prominent Quasiparticle Peak in the Photoemission Spectrum of the Metallic Phase of V2O3 (2003)
Mo, S. K., Denlinger, J. D., Kim, H. D., Park, J. H., Allen, J. W., Sekiyama, A., ...
Direct observation of the single-domain limit of Fe nano-magnets by spin-polarized STM (2003)
Yamasaki, A., Wulfhekel, W., Hertel, R., Suga, S., Kirschner, J.
Prominent quasi-particle peak in the photoemission spectrum of the metallic phase of V_2O_3 (2002)
Denlinger, J. D., Allen, J. W., Sekiyama, A., ...
We present the first observation of a prominent quasi-particle peak in the photoemission spectrum of the metallic phase of V_2O_3 and report new spectral calculations that combine the local density...
Bulk-sensitive Photoemission of Mn5Si3 (2002)
Irizawa, A., Yamasaki, A., Okazaki, M., Kasai, S., Sekiyama, A., Imada, S., ...
We have carried out a bulk-sensitive high-resolution photoemission experiment on Mn5Si3. The measurements are performed for both core level and valence band states. The Mn core level spectra are...
Possible Kondo resonance in PrFe4P12 studied by bulk-sensitive photoemission (2002)
Yamasaki, A., Imada, S., Nanba, T., Sekiyama, A., Sugawara, H., Sato, H., ...
Pr 4f electronic states in Pr-based filled skutterudites PrT4X12(T=Fe and Ru; X=P and Sb) have been studied by high-resolution bulk-sensitive Pr 3d-4f resonance photoemission. A very strong spectral...
Kim, Hyeong-Do, Park, J-H., Allen, J. W., Sekiyama, A., Yamasaki, A., Kadono, K., ...
%auto-ignore This paper has been withdrawn by the authors because its results have been superceded by new experimental data and new theory presented in S.-K. Mo et al., cond-mat/0212110.
Allen, J. W., Sekiyama, A., Yamasaki, A., Kadono, K., ...
Bulk-sensitive high-resolution Ce 4f spectra have been obtained from 3d $\to$ 4f resonance photoemission measurements on La$_{1-x}$Ce$_x$Al$_2$ and La$_{1-x}$Ce$_x$Ru$_2$ for $x = 0.0, 0.04, 1.0$....
Teng, H., Yamasaki, A., Lee, H.
An experimental investigation is reported on the solubility of CO2(l) in water at temperatures from 278 K to 293 K and pressures from 6.44 MPa to 29.49 MPa and on the corresponding densities of the...
Asteroseismological Observations of the Central Star of the Planetary Nebula NGC 1501 (1996)
Bond, H. E., Kawaler, S., Ciardullo, R., Stover, R., Kuroda, T., Ishida, T., ...
We report on a global CCD time-series photometric campaign to decode the pulsations of the nucleus of the planetary nebula NGC1501. The star is hot and hydrogen-deficient, similar to the...
Interference with interparietal growth in the human skull by the tectum synoticum posterior.
Niida, S, Yamasaki, A, Kodama, H
The tectum synoticum posterior, which is one of the 3 skull roof elements of the chondrocranium, interferes with the growth of the human interparietal bone, thus giving rise to lateral incisures in...
Interference with interparietal growth in the human skull by the tectum synoticum posterior.
Niida, S, Yamasaki, A, Kodama, H
The tectum synoticum posterior, which is one of the 3 skull roof elements of the chondrocranium, interferes with the growth of the human interparietal bone, thus giving rise to lateral incisures in...