A new formula for Hall conductivity is derived in terms of retarded and advanced Green’s functions. It contains transport and thermodynamic contributions and the latter is shown to be closely related to the orbital magnetic susceptibility. The physical interpretation of this relationship is clarified. By studying the Hall coefficient, it is also shown that the thermodynamic contribution becomes dominant at the band edge of the Dirac electron system, where the transport contribution decreases as the carrier density vanishes.
{"title":"Theory of Hall Conductivity and Its Exact Relationship to Orbital Magnetic Susceptibility","authors":"Masao Ogata","doi":"10.7566/jpsj.93.013703","DOIUrl":"https://doi.org/10.7566/jpsj.93.013703","url":null,"abstract":"A new formula for Hall conductivity is derived in terms of retarded and advanced Green’s functions. It contains transport and thermodynamic contributions and the latter is shown to be closely related to the orbital magnetic susceptibility. The physical interpretation of this relationship is clarified. By studying the Hall coefficient, it is also shown that the thermodynamic contribution becomes dominant at the band edge of the Dirac electron system, where the transport contribution decreases as the carrier density vanishes.","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"117 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138686367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Forward–Backward Multiplicity Relationship of Target Fragments Produced in the Interaction of 84Kr36 + Em at 1 A GeV","authors":"Babita Kumari, Manoj Kumar Singh","doi":"10.7566/jpsj.92.124203","DOIUrl":"https://doi.org/10.7566/jpsj.92.124203","url":null,"abstract":"","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"19 2","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138997414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Analysis of One-, Two-, and Four-Nucleon Transfer Reactions Based on The Diffraction Model","authors":"Rashad Ibrahim Badran","doi":"10.7566/jpsj.92.124201","DOIUrl":"https://doi.org/10.7566/jpsj.92.124201","url":null,"abstract":"","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"91 4","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139000464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Isotopic Composition of Enriched 100Mo for Production of Medical 99mTc by 100Mo((p,2n))99mTc","authors":"Shintaro Hashimoto, Yasuki Nagai","doi":"10.7566/jpsj.92.124202","DOIUrl":"https://doi.org/10.7566/jpsj.92.124202","url":null,"abstract":"","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"57 11","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138999156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cellular Ethological Dynamics in Diorama Environments","authors":"Yukinori Nishigami, Itsuki Kunita, Katsuhiko Sato, Toshiyuki Nakagaki","doi":"10.7566/jpsj.92.121009","DOIUrl":"https://doi.org/10.7566/jpsj.92.121009","url":null,"abstract":"","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"57 10","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138999157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"T-Linear Resistivity and Thermoelectric Power in Heavy-Fermion Spinel LiV2O4","authors":"Masashige Onoda, Satoshi Takada","doi":"10.7566/jpsj.92.124706","DOIUrl":"https://doi.org/10.7566/jpsj.92.124706","url":null,"abstract":"","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"20 14","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138999925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Nakamura, Kosuke Fujiwara, Takaya Mitsui, Susumu Shimomura
{"title":"Anomalous Interference Effect in Pure Nuclear Bragg Reflection of Fe3O4","authors":"S. Nakamura, Kosuke Fujiwara, Takaya Mitsui, Susumu Shimomura","doi":"10.7566/jpsj.92.124708","DOIUrl":"https://doi.org/10.7566/jpsj.92.124708","url":null,"abstract":"","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"25 6","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138996132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Chemical Doping and Career Tuning in Ni-site Substituted Layered Nickelates Pr4Ni3−xMxO8 (M: 3d Transition Metals) Studied by X-ray Absorption Spectroscopy","authors":"Tomonori Miyatake, Yuki Wako, Ryota Abe, Satoru Tsukamoto, Masatomo Uehara","doi":"10.7566/jpsj.92.124701","DOIUrl":"https://doi.org/10.7566/jpsj.92.124701","url":null,"abstract":"","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"6 8","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138998000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Single crystals of triangular-lattice Fe(OH)Cl in orthorhombic structure were synthesized and its magnetism was studied thoroughly using multiple magnetic probes of magnetization, muon spin rotation/relaxation (μSR) and neutron diffraction. Antiferromagnetic transition was found at TN = 13.3 K together with slow dynamics and surprisingly unquenched orbital moments in the paramagnetic state. Residual spin fluctuations coexisting with a long-range order below TN were witnessed in μSR. A coplanar spin structure of propagation vector (boldsymbol{k} = (0,0,0)) confined within the triangular lattice was revealed by neutron diffraction to have a relatively small frozen moment of 1.96 μB. Ferromagnetic superexchange interactions through a characteristic zig-zag path via ∼90° angled double Fe==O==Fe and double Fe==Cl==Fe bridges counted for this spin arrangement, presenting similarity and contrasting difference to the antiferromagnetic zig-zag path in the S = 1/2 triangular lattice Cu(OH)Cl in monoclinic structure. The obtained value of critical exponent, β = 0.2585(16), in Fe(OD)Cl agrees well with the theoretical value 0.253 ( mp ) 0.01 in the X–Y frustrated spin model for stacked-triangular antiferromagnet. Experimental evidence all consistently demonstrate the existence of magnetic order with extensive spin fluctuations on a wide range from ∼1 to 10−9–10−12 s. This work presents a unique system for studying geometric frustration on frustrated triangular lattice with unquenched orbital moment.
{"title":"Unusual Magnetism in a d-Electron Compound Fe(OH)Cl: A X–Y Stacked-Triangular Antiferromagnet with Characteristic Double-Bridge Bonding, Unquenched Orbital Moment and Coexisting Spin Fluctuations","authors":"Xu-Guang Zheng, Md. Mahbubur Rahman Bhuiyan, Ichihiro Yamauchi, Masayoshi Fujihala, Kunihisa Sugimoto, Tatsuya Kawae, Toru Ishigaki","doi":"10.7566/jpsj.93.014704","DOIUrl":"https://doi.org/10.7566/jpsj.93.014704","url":null,"abstract":"Single crystals of triangular-lattice Fe(OH)Cl in orthorhombic structure were synthesized and its magnetism was studied thoroughly using multiple magnetic probes of magnetization, muon spin rotation/relaxation (<i>μ</i>SR) and neutron diffraction. Antiferromagnetic transition was found at <i>T</i><sub>N</sub> = 13.3 K together with slow dynamics and surprisingly unquenched orbital moments in the paramagnetic state. Residual spin fluctuations coexisting with a long-range order below <i>T</i><sub>N</sub> were witnessed in <i>μ</i>SR. A coplanar spin structure of propagation vector <tex-math space=\"preserve\" version=\"MathJax\">(boldsymbol{k} = (0,0,0))</tex-math> confined within the triangular lattice was revealed by neutron diffraction to have a relatively small frozen moment of 1.96 <i>μ</i><sub>B</sub>. Ferromagnetic superexchange interactions through a characteristic zig-zag path via ∼90° angled double Fe==O==Fe and double Fe==Cl==Fe bridges counted for this spin arrangement, presenting similarity and contrasting difference to the antiferromagnetic zig-zag path in the <i>S</i> = 1/2 triangular lattice Cu(OH)Cl in monoclinic structure. The obtained value of critical exponent, <i>β</i> = 0.2585(16), in Fe(OD)Cl agrees well with the theoretical value 0.253 <tex-math space=\"preserve\" version=\"MathJax\">( mp )</tex-math> 0.01 in the <i>X–Y</i> frustrated spin model for stacked-triangular antiferromagnet. Experimental evidence all consistently demonstrate the existence of magnetic order with extensive spin fluctuations on a wide range from ∼1 to 10<sup>−9</sup>–10<sup>−12</sup> s. This work presents a unique system for studying geometric frustration on frustrated triangular lattice with unquenched orbital moment.","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"70 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138630465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In Kondo insulators, where a small energy gap evolves only at low temperatures, it is challenging to experimentally clarify their electronic structures, especially under high pressure. In this study, we have carried out high-pressure 33S-nuclear magnetic resonance measurements on a pressure-induced semiconducting phase with a small energy gap of SmS. To analyze the recovery curve of nuclear spin–lattice relaxation time T1, consisting of multiple components, the Bayesian inference was introduced. The unique temperature dependence of 1/T1 is reproduced based on a simplified rectangular band model and a periodic Anderson model, which allows to obtain parameters characterizing the semiconducting state semi-quantitatively: the bandwidths of conduction electrons and quasiparticles are much narrower and the energy gap is smaller than for SmB6, a prototypical Kondo insulator. This peculiar band structure in the small gap state may arise from the characteristics of weak correlations and relatively strong hybridization.
{"title":"Unique Band Structure of Pressure Induced Semiconducting State in SmS Characterized by 33S-Nuclear Magnetic Resonance Measurements","authors":"Shogo Yoshida, Hajime Ueda, Tetsuya Mutou, Shun Katakami, Masato Okada, Yuichi Yokoyama, Masaichiro Mizumaki, Naoka Hiraoka, Kentaro Kitagawa, Yoshinori Haga, Takuto Fujii, Yusuke Nakai, Takeshi Mito","doi":"10.7566/jpsj.93.013702","DOIUrl":"https://doi.org/10.7566/jpsj.93.013702","url":null,"abstract":"In Kondo insulators, where a small energy gap evolves only at low temperatures, it is challenging to experimentally clarify their electronic structures, especially under high pressure. In this study, we have carried out high-pressure <sup>33</sup>S-nuclear magnetic resonance measurements on a pressure-induced semiconducting phase with a small energy gap of SmS. To analyze the recovery curve of nuclear spin–lattice relaxation time <i>T</i><sub>1</sub>, consisting of multiple components, the Bayesian inference was introduced. The unique temperature dependence of 1/<i>T</i><sub>1</sub> is reproduced based on a simplified rectangular band model and a periodic Anderson model, which allows to obtain parameters characterizing the semiconducting state semi-quantitatively: the bandwidths of conduction electrons and quasiparticles are much narrower and the energy gap is smaller than for SmB<sub>6</sub>, a prototypical Kondo insulator. This peculiar band structure in the small gap state may arise from the characteristics of weak correlations and relatively strong hybridization.","PeriodicalId":17304,"journal":{"name":"Journal of the Physical Society of Japan","volume":"26 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138630478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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