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9 papers · 1 filter
Two analytical formulae of the temperature inside a body by using partial lateral and initial data
Masaru Ikehata
This paper considerers the problem of computing the value of a solution of the heat equation at a given point inside a bounded domain after the initial time. It is assumed that the…
Charge Excitations in Cuprate and Nickelate in Resonant Inelastic X-Ray Scattering
Manabu Takahashi, Junichi Igarashi, Taeko Semba
We analyze the resonant inelastic x-ray scattering (RIXS) spectra at the Cu and Ni K edges in La2CuO4 and La2NiO4, respectively. We make use of the Keldysh-Green-function formalism…
Theoretical Analysis of Resonant Inelastic X-Ray Scattering Spectra in LaMnO3
Taeko Semba, Manabu Takahashi, Junichi Igarashi
We analyze the resonant inelastic x-ray scattering (RIXS) spectra at the K edge of Mn in the antiferromagnetic insulating manganite LaMnO3. We make use of the Keldysh-type Green-fu…
A mathematical proof that the transition to a superconducting state is a second-order phase transition
Shuji Watanabe
We deal with the gap function and the thermodynamical potential in the BCS-Bogoliubov theory of superconductivity, where the gap function is a function of the temperature only.…
Parity and Time-Reversal Breaking Effects on Resonant X-Ray Scattering at the Fe Pre-K-Edge in Magnetite
Jun-ichi Igarashi, Tatsuya Nagao
We study noncentrosymmetric effects on resonant x-ray scattering (RXS) in magnetite. The noncentrosymmetry at A sites in spinel structure makes the 4p states strongly hybridize wit…
Coherent quasi-particles-to-incoherent hole-carriers crossover in underdoped cuprates
M. Hashimoto, T. Yoshida, K. Tanaka +7
In underdoped cuprates, only a portion of the Fermi surface survives as Fermi arcs due to pseudogap opening. In hole-doped LaCuO, we have deduced the "coherence temperatu…