Specific Heat and Magnetisation of Impurity Anderson Model with Non-Kramers Doublet Lowest State Subject to the Tetragonal Crystalline Electric Field
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概要
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The specific laeat and the uaa;rgtaetisaLjot? of' 2111 iua?pvrrit3' Aruderson unodel, xvlaiclr laas a normKrauaaers dotrlolet loxvest state of 2111 f" configtmr?ttion stulo.ject to the tetragonal crystallirae electricfield, are inx'estigtxted trsirag tlae ntrttaer'ic;tl renortaa;t1iz?ttion grotrjc ut?etlnod. NX7e exstuaaiuae txvocases xvhere the grotrnd st?xtes of tlae systeuar 2116 not-Fertani-liqtrid (NFL) of txvo-chattnel Kondotyjve zaaodel ztrnd loc?t1-Ferttti-liqtuid (LFL), ?'espectixxel.)'. In the f'or'naer case the tetnnperattrr'edependence of' the sjcecific treat shoxvs 21 brostd joestk wlaicla lu?ts an entropy, O.51n 2, in time stbsernceof' tlae ttnagnetic field. Tlae specific laeatt SIIOXVS two pe?tks izt sr very xvezrk znagnetic field: oneh?ts the saua?e tetrmperattrre dejcendence 2lS in the 211)S(2I1C(B of' the tnagnetic field, the other at veryloxv ternmjcer;rttrres SIIOXX'S 21 rele;tse of' tlae residtrstl entrojoy, 0.5[n 2. In the LFL case the specificheat shoxvs on1.y one joe?tk xv1?icla hsrs an euatr'op3', ltu 2, in tlne ;rbsence of tlae taaagtaetic field. Tlaetennper;tttrr'e dejceradence does not cla?trmge in 21 xvery we?tk taa;tgnetic field. The "7-coefficient of'the specific hestt ?tnd tJae uta?tguoetic stuscejctibility nexxer shoxv - In T de)cendence in the LFL c?rse,exzen w'hen tl?e pstr'atuaaeters are xxery close to tlae critical sittrsttion loetxveen NFL atrnd LFL grotrradstate.
- 1999-09-15
著者
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SAKAI Osamu
Department of Physics, Tokyo Metropolitan University
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Shimizu Yukihiro
Department of Physics, Tohoku University
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Shimizu Yukihiro
Department Of Applied Physics Tohoku University
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Shimizu Yukihiro
Department Of Mathematics Imperial College London
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Hewson Alex
Department Of Mathematics Imperial College London
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Hewson Alex
Department Of Mathematics Imperial College
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Sakai Osamu
Department Of Physics Tohoku University
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Sakai Osamu
Department Of Electronic Science And Engineering Kyoto University
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Sakai Osamu
Department Of Cardiovascular Surgery Kyoto Prefectural University Of Medicine
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