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Search Results: 1 - 10 of 149925 matches for " H. Mizoguchi "
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A potential including Heaviside function in 1+1 dimensional hydrodynamics by Landau
Mizoguchi, T.;Miyazawa, H.;Biyajima, M.
High Energy Physics - Phenomenology , 2008, DOI: 10.1140/epja/i2008-10753-8
Abstract: In 1+1 dimensional hydrodynamics originally proposed by Landau, we derive a new potential and distribution function including Heaviside function and investigate its mathematical and physical properties. Using the original distribution derived by Landau, a distribution function found by Srivastava et al., our distribution function, and the Gaussian distribution proposed by Carruthers et al., we analyze the data of the rapidity distribution on charged pions and K mesons at RHIC energies (sqrt(s_NN) = 62.4 GeV and 200 GeV). Three distributions derived from the hydrodynamics show almost the same chi-squared values provided the CERN MINUIT is used. We know that our calculations of hadron's distribution do not strongly depend on the range of integration of fluid rapidity, contrary to that of Srivastava et al. Finally the roles of the Heaviside function in concrete analyses of data are investigated.
Additive intraocular pressure-lowering effect of dorzolamide 1%/timolol 0.5% fixed combination on prostaglandin monotherapy in patients with normal tension glaucoma
Mizoguchi T, Ozaki M, Wakiyama H, Ogino N
Clinical Ophthalmology , 2011, DOI: http://dx.doi.org/10.2147/OPTH.S24058
Abstract: dditive intraocular pressure-lowering effect of dorzolamide 1%/timolol 0.5% fixed combination on prostaglandin monotherapy in patients with normal tension glaucoma Original Research (2879) Total Article Views Authors: Mizoguchi T, Ozaki M, Wakiyama H, Ogino N Published Date October 2011 Volume 2011:5 Pages 1515 - 1520 DOI: http://dx.doi.org/10.2147/OPTH.S24058 Takanori Mizoguchi1, Mineo Ozaki2, Harumi Wakiyama1,3, Nobuchika Ogino1 1Mizoguchi Eye Clinic, Sasebo, 2Ozaki Eye Clinic and Dept of Opthalmology, Faculty of Medicine, University of Miyazaki, Miyazaki, 3The Japanese Red Cross Nagasaki Genbaku Hospital, Nagasaki, Japan Purpose: To evaluate the intraocular pressure (IOP)-lowering effect of adding dorzolamide 1.0%/timolol 0.5% fixed combination (DTFC) to prostaglandin analogs (PGAs) as monotherapy in patients with normal tension glaucoma. Methods: A prospective, clinical, case-controlled study of patients with normal tension glaucoma. Patients had been on a once-daily night dose of prostaglandins (PGs) as monotherapy and then received DTFC added to PGs for 8 weeks. The IOP was measured at 9 am, week 0 (baseline), week 4, and week 8. Results: The baseline IOP of 40 patients who had previously been treated by prostaglandin monotherapy was 15.6 ± 2.0 mmHg at baseline. The IOPs at 4 and 8 weeks after adding DTFC to PGs were 13.5 ± 2.1 mmHg and 13.7 ± 2.2 mmHg, respectively. Significant decrease of the IOP was observed at each time point of measurement as compared with the baseline IOP before adding DTFC (P = 0.01). The percent IOP reduction from the baseline IOP at week 4 and week 8 was 13.5% ± 12.3% and 11.7% ± 13.1%, respectively. The percentage of patients who achieved 10% or more IOP reduction from the baseline IOP at week 8 was 62.5%. The baseline IOP was significantly correlated with the percent IOP reduction at week 8 (P = 0.03, r = 0.34). Conclusion: DTFC therapy added to PGAs as glaucoma monotherapy is effective in patients with normal tension glaucoma.
(Des)Reterritorializando o espa o-tempo da loucura: uma genealogia espacial (Un)Reterritorializing the time-space of madness: a spatial genealogy
Luis Artur Costa,Danichi H. Mizoguchi,Tania M. Galli Fonseca
Psicologia: Ciência e Profiss?o , 2005, DOI: 10.1590/s1414-98932005000400004
Abstract: Intenta-se, através deste trabalho, dar visibilidade à genealogia do prédio histórico do Hospital Psiquiátrico S o Pedro, localizado em Porto Alegre (Brasil). Intriga-nos e nos impulsiona o questionamento referente ao espa o atual da loucura: o que se fez e o que se faz de um dos prédios que, por mais de século, hospedou a loucura porto-alegrense? Qual é o espa o que hospedou e o que passará a hospedar os loucos na cidade? Through this work we intend to give the Psychiatric Hospital S o Pedro (Porto Alegre, Brazil) historical building genealogy some visibility. The questioning related to the present madness space intrigues and encourages us: what has been done and what is being done about one of the buildings that has housed the mad people of Porto Alegre for over a century? What space has housed and what will house the mad people in the city from now on?
Slow propagation of photon-like polaritons generated by exciton-exciton scattering in ZnO thin films
Ichida H.,Wakaiki S.,Kawase T.,Mizoguchi K.
EPJ Web of Conferences , 2013, DOI: 10.1051/epjconf/20134104014
Abstract: We report on the first observation of the thickness-dependent photoluminescence-decay time of exciton-exciton scattering in ZnO thin films, which indicates the slower propagation of photon-like polaritons compared to that in bulk by two orders magnitude.
Additive intraocular pressure-lowering effect of dorzolamide 1%/timolol 0.5% fixed combination on prostaglandin monotherapy in patients with normal tension glaucoma
Mizoguchi T,Ozaki M,Wakiyama H,Ogino N
Clinical Ophthalmology , 2011,
Abstract: Takanori Mizoguchi1, Mineo Ozaki2, Harumi Wakiyama1,3, Nobuchika Ogino11Mizoguchi Eye Clinic, Sasebo, 2Ozaki Eye Clinic and Dept of Opthalmology, Faculty of Medicine, University of Miyazaki, Miyazaki, 3The Japanese Red Cross Nagasaki Genbaku Hospital, Nagasaki, JapanPurpose: To evaluate the intraocular pressure (IOP)-lowering effect of adding dorzolamide 1.0%/timolol 0.5% fixed combination (DTFC) to prostaglandin analogs (PGAs) as monotherapy in patients with normal tension glaucoma.Methods: A prospective, clinical, case-controlled study of patients with normal tension glaucoma. Patients had been on a once-daily night dose of prostaglandins (PGs) as monotherapy and then received DTFC added to PGs for 8 weeks. The IOP was measured at 9 am, week 0 (baseline), week 4, and week 8.Results: The baseline IOP of 40 patients who had previously been treated by prostaglandin monotherapy was 15.6 ± 2.0 mmHg at baseline. The IOPs at 4 and 8 weeks after adding DTFC to PGs were 13.5 ± 2.1 mmHg and 13.7 ± 2.2 mmHg, respectively. Significant decrease of the IOP was observed at each time point of measurement as compared with the baseline IOP before adding DTFC (P = 0.01). The percent IOP reduction from the baseline IOP at week 4 and week 8 was 13.5% ± 12.3% and 11.7% ± 13.1%, respectively. The percentage of patients who achieved 10% or more IOP reduction from the baseline IOP at week 8 was 62.5%. The baseline IOP was significantly correlated with the percent IOP reduction at week 8 (P = 0.03, r = 0.34).Conclusion: DTFC therapy added to PGAs as glaucoma monotherapy is effective in patients with normal tension glaucoma.Keywords: IOP-lowering effect, prostaglandin, dorzolamide 1%/timolol 0.5% fixed combination, fixed combination, normal tension glaucoma
Influence of Small Impurities on Low-Energy Electron Dynamics in Two-Dimensional Microscopic Bounded Region
T. Shigehara,M. Yokoyama,H. Mizoguchi,T. Mishima,Taksu Cheon
Physics , 1998,
Abstract: In order to give some insight into a role of small impurities on the electron motion in microscopic devices, we examine from a general viewpoint, the effect of small obstacles on a particle motion at low energy inside microscopic bounded regions. It will be shown that the obstacles disturb the electron motion only if they are weakly attractive.
Wave Chaos in Quantum Pseudointegrable Billiards
T. Shigehara,H. Mizoguchi,T. Mishima,Taksu Cheon
Physics , 1997,
Abstract: We clarify from a general perspective, the condition for the appearance of chaotic energy spectrum in quantum pseudointegrable billiards with a point scatterer inside.
Spectral Properties of the Two-Dimensional Laplacian with a Finite Number of Point Interactions
T. Shigehara,H. Mizoguchi,T. Mishima,Taksu Cheon
Physics , 1997,
Abstract: We discuss spectral properties of the Laplacian with multiple ($N$) point interactions in two-dimensional bounded regions. A mathematically sound formulation for the problem is given within the framework of the self-adjoint extension of a symmetric (Hermitian) operator in functional analysis. The eigenvalues of this system are obtained as the poles of a transition matrix which has size $N$. Closely examining a generic behavior of the eigenvalues of the transition matrix as a function of the energy, we deduce the general condition under which point interactions have a substantial effect on statistical properties of the spectrum.
Realization of a Four Parameter Family of Generalized One-Dimensional Contact Interactions by Three Nearby Delta Potentials with Renormalized Strengths
T. Shigehara,H. Mizoguchi,T. Mishima,Taksu Cheon
Physics , 1998,
Abstract: We propose a new method to construct a four parameter family of quantum-mechanical point interactions in one dimension, which is known as all possible self-adjoint extensions of the symmetric operator $T=-\Delta \lceil C^{\infty}_{0}({\bf R} \backslash\{0\})$. It is achieved in the small distance limit of equally spaced three neighboring Dirac's $\delta$ potentials. The strength for each $\delta$ is appropriately renormalized according to the distance and it diverges, in general, in the small distance limit. The validity of our method is ensured by numerical calculations. In general cases except for usual $\delta$, the wave function discontinuity appears around the interaction and one can observe such a tendency even at a finite distance level.
Generalized One-Dimensional Point Interaction in Relativistic and Non-relativistic Quantum Mechanics
T. Shigehara,H. Mizoguchi,T. Mishima,Taksu Cheon
Physics , 1999,
Abstract: We first give the solution for the local approximation of a four parameter family of generalized one-dimensional point interactions within the framework of non-relativistic model with three neighboring $\delta$ functions. We also discuss the problem within relativistic (Dirac) framework and give the solution for a three parameter family. It gives a physical interpretation for so-called $\epsilon$ potential. It will be also shown that the scattering properties at high energy substantially differ between non-relativistic and relativistic cases.
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