◊ ✲ ဨ㸸Ώ㑔㣕㫽
ᢏ⾡⿵బဨ㸸Ḉ⨾㔛㸪ᮧᒣ࠾ࡾ
Ꮫ 㝔 ⏕㸸ᒣᮏὈᘯ'㸪᭮⏣ຊኸ'㸪▼ཎ┿࿃0 Ꮫ 㒊 ⏕㸸ఀ⸨ྐᮁ%ᒸ⏣▐%
ົ⿵బဨ㸸すᮧᩥ⥴
ཤࡿᖹᡂᖺ᭶᪥ࡢᆅ㟈ࡣࠊᮏᏛ࠾࠸࡚⏒࡞⿕ᐖࢆࡶࡓࡽࡋࠊᚰࡀ③ࡳࡲࡍࠋࡑࡢ୰࠶
ࡗ࡚ࠊᖾ࠸࡞ࡀࡽ㰻⸨◊࡛ࡣᴟ୍㒊ࡢ⨨ࡢ◚ᦆࡢࡳ㸪ࡲࡓ◊✲ᐊࢫࢱࢵࣇࠊᏛ⏕ࡑࡢᐙ᪘ࡢ᪉ࠎ
ࡶࡅࡀே࡞ࡣⓙ↓࡛࠶ࡾࡲࡋࡓࠋ᭷㞴࠸ࡇᆅ㟈Ⓨ⏕ᚋࡲࡶ࡞ࡃ༞ᴗ࣭ಟ⏕ࠊ◊✲ᐊᡤ⦕ࡢ᪉ࠎ
ࡼࡾᬮ࠸⃭ບ࣭ປ࠸ࡢᚚゝⴥ࣭ࡈᨭࢆ࠸ࡓࡔࡁࡲࡋࡓࠋ⣬㠃ࢆ࠾ࡾࡋ࡚ཌࡃᚚ♩ࢆ⏦ࡋୖࡆࡲ
ࡍࠋ
ࡉ࡚ࠊᮏ✏࡛ࡣᖺ᭶㹼᭶㛫࡛ࡢᙜ◊✲ᐊ◊✲άືࡢᴫせ࡛ࡍࠋࡑࡢ㛫࡛ࡢᏛ⏕ㅖྩࡢ⛣ື
ࡋ࡚ࠊಟኈಟ⪅㸦ඵᮌᆂு㸧ࡣࣈࣜࢴࢫࢺࣥ㹉㹉ᑵ⫋㸪እᅜே◊✲ဨ㸦ⱌᩥ㸧ࡣᡂᯝࢆᣲࡆᖐ ᅜ㸦୰ᅜ㸧ࡋࡲࡋࡓࠋࡑࡢࡢᏛ⏕ࡣᏛᖺࢆ㔜ࡡ㸪ඖẼ㡹ᙇࡗ࡚࠾ࡾࡲࡍࠋࡑࡋ࡚᪂ࡓᖺ⏕㸦ᒸ
⏣▐㸧ࡀ◊✲ᐊຍࢃࡾࡲࡋࡓࠋࣇࣛࣥࢫ࡛ࡢ༤ኈㄢ⛬␃Ꮫ⪅బ⸨ⱥࡶᖺ᭶ࡣಟࢆ┠ᣦࡋ
࡚㡹ᙇࡗ࡚࠾ࡾࡲࡍࠋ࠺ࢀࡋ࠸࠾▱ࡽࡏ࡛ࡍࡀࠊຍ⣡⣧ஓྩ㸦,3Ꮫ⾡ዡບ㈹㸦⢊యᕤᏛሗࢭࣥࢱ࣮㸧ࠊ ᮾிᅜ㝿⢊యᕤᴗᒎ㈹㸦㸦♫㸧᪥ᮏ⢊యᕤᴗᢏ⾡༠㸧ࠊ▼ཎៅ࿃ྩ㸦⢊యᕤᏛ㹀㹎㈹㸧ࡀࡑࢀࡒ
ࢀཷ㈹ࡉࢀࡲࡋࡓࠋ࡞࠾ࠊᙜヱᮇ㛫እ࡞ࡀࡽศ㔝ᢸᙜࡢ㰻⸨ࡣᖺ᭶ᮎ࡛ᐃᖺ㏥⫋࡛ࡍࠋ ௨ୗࡣࡇࡢᖺ㛫࡛ࡢ◊✲άືᴫせ࡛ࡍࠋ
䠍䠊䝯䜹䝜䜿䝭䝇䝖䝸䞊䜢⏝䛧䛯⢊య䝥䝻䝉䝇㛤Ⓨ㻌
㻝㻚㻝㻌 ᮌ㉁䝞䜲䜸䝬䝇䠄䝉䝹䝻䞊䝇䠅䛛䜙䛾㧗⣧ᗘỈ⣲䛾Ⓨ⏕㻌
ᮌ㉁ࣂ࣐࢜ࢫ㸦ᡂศ㸸ࢭ࣮ࣝࣟࢫ㸧↓ᶵ≀ࢆῧຍࡋ࡚⢊○㸦࣓࢝ࣀࢣ࣑࢝ࣝฎ⌮㸧ࡋࠊࡑࢀ
ࢆ㠀㓟⣲㞺ᅖẼ࡛ຍ⇕࣭⇕ศゎࡋ࡚㧗⣧ᗘỈ⣲࡞ࡢ᭷౯࢞ࢫࢆᅇࡍࡿᡭἲ㛤Ⓨࡢ◊✲ࢆ᥎㐍ࡋ࡚
࠸ࡿࠋᖺࡲ࡛ࡣࠊࡋ࡚ᘧ⢊○ࡋࠊࡲࡓࠊ↓ᶵ≀ࡋ࡚ &D2+
1L2+
ࢆ⏝࠸ࡓࡀࠊ㞴Ⅼ ࡣࠊ㔞ࡢ &D2+
ࢆ⏝ࡍࡿࡓࡵ㔞ࡢ &D&2
ࡀ⏕ᡂࡍࡿࡇ࡛࠶ࡗࡓࠋࡇࢀࢆᨵၿࡍࡿࡓࡵࠊᮏᖺ ࡣ‵ᘧ⢊○↓ᶵ≀ࡋ࡚Ỉ⁐ᛶ≀㉁ࢆ⏝࠸ࡿᡭἲ㛤Ⓨࢆ⾜ࡗ࡚࠸ࡿࠋࡇࢀࡼࡿࠊṧ´ࡢ㔞ࡣᚑ ᮶ἲࡼࡾᴟ➃ᑡ࡞ࡃࠊࡲࡓࠊ⢊○ฎ⌮᮲௳ࡼࡗ࡚ࡣࢭ࣮ࣝࣟࢫᇶ‽࡛Ỉ⣲Ⓨ⏕⋡ࡣ 㸣ࢆ㉸
࠼ࡿࠋ㸣௨ୖ࡞ࡿ⌮⏤ࡣࠊ⇕ศゎ㐣⛬࡛ỈࡽࡶỈ⣲ࡀⓎ⏕ࡍࡿࡇࢆពࡍࡿࠋᛂᶵᵓゎ
᫂᭱㐺ࢆ┠ᣦࡍヨࡳࡀ㐍ࡵࡽࢀ࡚࠸ࡿࠋ 㻝㻚㻞㻌 ୗỈởἾ䛛䜙䛾㧗⣧ᗘỈ⣲䛾〇㐀㻌
ୗỈởἾ㸦ྵỈ⋡⣙㸣㸧ࡽ㧗⣧ᗘࡢỈ⣲ࢆⓎ⏕ࡍࡿᡭἲࢆぢฟࡋ㸪᭱㐺᮲௳᥈⣴ࡢ◊✲ࢆ㐍
ࡵ࡚࠸ࡿࠋୖグࡢ㡯࡛⤂ࡋࡓ͆ᘧ⢊○㸫ຍ⇕ἲ͇ࢆཧ⪃ࠊ͆ΰྜ㸫ຍ⇕ἲ͇ࡼࡾୗỈởἾ
ࡽ㧗⣧ᗘỈ⣲ࢆⓎ⏕ࡉࡏࡿࡇᡂຌࡋࡓࠋࡑࡢᡭἲ⤖ᯝࡢᴫ␎ࡣ௨ୗࡢ࠾ࡾࠋ㸯㸧ୗỈởἾ
↓ᶵ⢊యࢆῧຍ࣭ΰྜᚋࠊΥ⛬ᗘ࡛ຍ⇕ࡍࡿ+
㸸㸣&+
㸸࡛&2㸸&2
㸸 ࡀⓎ⏕ࠋ㸰㸧↓ᶵ⢊యࡣపᗮ࡞≀㉁࡛ࠊ࢞ࢫⓎ⏕ಁ㐍ࡢᙺࢆᯝࡓࡍࠋᮏ◊✲࡛ࡣࡼࡾຠ⋡ࡼ࠸ຍ
⇕᮲௳ῧຍ≀ࡢ᥈⣴ࢆ⾜ࡗ࡚࠸ࡿࠋ
㻝㻚㻟㻌 䝯䜹䝜䜿䝭䜹䝹ฎ⌮䜢⏝䛧䛯䝉䝹䝻䞊䝇䛛䜙䛾ᾮయ⇞ᩱ〇㐀㻌
࣓࢝ࣀࢣ࣑࢝ࣝฎ⌮ࡼࡾࢭ࣮ࣝࣟࢫ↓ᶵ≀ࡢ㛫࡛┦స⏝ࢆಁ㐍ࡋࠊⅣ⣲ᩘࡢ␗࡞ࡿᾮయ⇞
ᩱࡀ〇㐀࡛ࡁࡿྰࢆ㏣ồࡍࡿ◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋᾮయ⇞ᩱࡣࠊ࢚ࢱࣀ࣮ࣝ➼࡛࠶ࡿࡀࠊ㓝⣲ࢆ
33 ◊ ✲ ά ື ሗ ࿌研 究 活 動 報 告
⏝࠸ࡎࠊࡲࡓࠊẚ㍑ⓗ࣐ࣝࢻ࡞ฎ⌮᮲௳ࢆᇶᮏࡋ࡚࠸ࡿࠋ
㻝㻚㻠㻌 ᨺᑕᛶ䝉䝅䜴䝮䠄㻯㼟䠅ởᰁᮌ㉁䝞䜲䜸䝬䝇䛾Ᏻ䛺ฎ⌮䚸ῶᐜ䛸䜶䝛䝹䜼䞊ᅇἲ㻌
⚟ᓥ┴ᮾ㟁➨ ཎⓎࡢ⇿Ⓨᨾ࡛ࡣ㔞ࡢᨺᑕᛶ≀㉁㸦&V ࡞㸧ࡀ࿘㎶ᣑᩓࡋࠊᅵተࠊἙᕝࠊᒣ ᯘ࡞῝้࡞ởᰁ⿕ᐖࢆࡶࡓࡽࡋࡓࠋ᪩ᛴ࡞㝖ᰁࡀᚲせ࡛࠶ࡿࡀࠊᅜࡢ㝖ᰁἲ࡞ࡀỴࡲࡽࡎ⿕⅏
ᆅ࡛ࡣᅔᝨࡋ࡚࠸ࡿ≧ἣ࡛ࡍࠋࡑࢇ࡞୰ࠊᨺᑕ⬟ởᰁᆅ㏆㑹ࡢᮌᮦ࣭᳃ᯘ⤌ྜ➼ࡽࡢせㄳᇶ࡙ࡁ
◊✲ࢢ࣮ࣝࣉ࡛ࡣᨺᑕ⬟ởᰁᮌ㉁ࣂ࣐࢜ࢫ㸦ᮌᮦࠊ✄ࢃࡽࠊ∾ⲡ࡞㸧ࡢ⌧ᆅ࡛ࡢᏳ࡞ฎ⌮࣭ῶ ᐜἲࡋ࡚ຍ⇕ἲࢆᥦࡋࠊࡑࡢᇶ♏ࢹ࣮ࢱࢆᥦ౪ࡋࠊᐇドヨ㦂࡛☜ㄆࡍࡿࡇࢆຓゝ࣭ᥦࡋ࡚
࠸ࡿࠋᮏᖺᗘࡣᮌ㉁ࣂ࣐࢜ࢫࡢῧຍ≀ࡋ࡚ &V ྠࡌࣝ࢝ࣜ㔠ᒓ࡛࠶ࡿ 1D ྜ≀ࢆࣔࢹࣝ≀
㉁ࡋ࡚㸦ᮌ㉁ࣂ࣐࢜ࢫ✄ࢃࡽ㸫1D ྜ≀㸧⣔ΰྜ≀ࢆຍ⇕ฎ⌮ࡋࡓ⤖ᯝࠊ1D ࡣ⅊ 㸣ṧ␃
ࡍࡿࡇࢆ☜ㄆࡋࡓࠋຍ⇕ ᗘࡣ Υ⛬ᗘ࡛࠶ࡾࠊࡑࡢ⠊ᅖ࡛ࡣ &V ࡞ࡣⓎࡏࡎṧ´ṧࡿࡇ
ࢆ᫂☜ࡋࡓࠋ
㻝㻚㻡㻌 ┤᥋㑏ඖἲ䛻䜘䜚ᕼᑡ㔠ᒓ㓟≀䛛䜙䛾ᕼᑡ㔠ᒓᅇ㻌
㓟ࣥࢪ࣒࢘㸪㓟ࢫࢬ㸪㓟ࢱࣥࢢࢫࢸࣥ࡞ࡢ㓟≀ᑐࡋ࡚/L
1ࢆῧຍࡋ㸪㞺ᅖẼࢆㄪᩚࡋ
࡚⢊○࣓࢝ࣀࢣ࣑࢝ࣝฎ⌮ࡍࡿ㸪㓟≀ࡣ㑏ඖࡉࢀ࡚㔠ᒓࡀᚓࡽࢀࡿࡇࢆぢฟࡋ࡚࠸ࡿࠋࡇࡢ ᪉ἲࡼࡿ㸪,72ࡽࡢ,Qࡢᅇ࡞ࢆ┤᥋ᅇࡍࡿࡇࡀ࡛ࡁࡿ㸬ᮏᖺᗘࡣ㸪1G☢▼ࡽ1G㸪'\ᅇ
ࡢྍ⬟ᛶࢆ㏣ồࡋ࡚࠸ࡿࠋ
䠎䠊ྛ✀⢊య⨨ෆ䛷䛾፹య䜔⢊⢏య䛾㐠ືᢕᥱ䛾䛯䜑䛾䝅䝭䝳䝺䞊䝅䝵䞁䛾㧗ᗘ㻌 㻞㻚㻝 㻰㻱㻹䛸㻹㻼㻿䜢䜹䝑䝥䝸䞁䜾䛻䜘䜛㻟ḟඖ⢏Ꮚ䞉ᾮయ㐠ື䝅䝭䝳䝺䞊䝅䝵䞁ἲ䜢㛤Ⓨ㻌
㞳ᩓせ⣲ἲ'(0ࡼࡿḟඖⓗ⢏Ꮚ⩌㐠ືࡢࢩ࣑࣮ࣗࣞࢩࣙࣥࢆྛ✀⢊○ᶵෆࡢ፹య㐠ືࡢᢕᥱ
㐺⏝ࡋ㸪ࡑࡢ㐠ືࢆⰋዲ⌧ࡋࡘࡘ㸪ᐇ㦂ሗ⼥ྜࡋ࡚ᬑ㐢ⓗ㛵ಀࢆぢฟࡋࠊࡑࡇࡽࠊ⢊○⏘
≀ࡢ⢏Ꮚᚄศᕸண 㸪᭱㐺࣑ࣝᵓ㐀ࠊ㐺ษ࡞ࢫࢣ࣮ࣝࢵࣉ᮲௳ࠊᦶ⪖Ⓨ⏕㔞㸪࣑ࣝᾘ㈝㟁ຊ㸪࣑ࣝ
ᵓ 㐀 ࡢ ᭱ 㐺 ➼ ᑐ ࡋ ࡚ ᭷ ຠ ࡞ ሗ ࢆ ᥦ ౪ ࡋ ࡚ ࡁ ࡓ 㸬 ᮏ ᖺ ᗘ ࡣ 㸪 '(0 0360RYLQJ 3DUWLFOH 6HPLLPSOLFLWࢆ࢝ࢵࣉࣜࣥࢢࡍࡿ㧗ᗘ࡞ḟඖ⢏Ꮚ࣭ᾮయ㐠ືࢩ࣑࣮ࣗࣞࢩࣙࣥἲࢆ㛤Ⓨࡋࠊ‵ᘧ᧠
ᢾ࣑ࣝ㸦ࣅ࣮ࢬ࣑ࣝ㸧ෆ࡛ࡢ፹య࣭ὶయὶࢀࡢᢕᥱ㐺⏝ࡋ࡚࠸ࡿࠋࡇࡢᡭἲࡢ≉ᚩࡣࠊィ⟬㡿ᇦ
࠾࠸࡚࣓ࢵࢩࣗᙧᡂࡀせࠊ⮬⏤⾲㠃ࡸኚᙧࡢᢅ࠸ࡀᐜ᫆ࠊ」㞧࡞⨨ᙧ≧ࡶ㐺⏝ྍ⬟࡞࡛࠶
ࡿࠋ
㻞㻚㻞 㻌 ⮬⏕⢊○㐣⛬䛾ゎᯒ㻌
⮬⏕⢊○㸦࣑ࣝෆ○ᩱࡢࡳࢆᢞධࡋ㸪○ᩱ⮬㌟ࡢⴠୗ࣭⾪✺➼ࡼࡾ⢊○ࡍࡿ᪉ᘧ㸧࠾ࡅࡿ○
ᩱࡢ⢊○㐣⛬ࢆࢩ࣑࣮ࣗࣞࢩࣙࣥࡼࡗ࡚⌧ࡋࠊ⢊○ຠ⋡ᨵၿࡢࡓࡵࡢ࣑ࣝ᧯స᮲௳ࡢ᭱㐺ࢆ┠
ᣦࡍ◊✲ࢆ㐍ࡵ࡚࠸ࡿࠋ㠀⌫ᙧ○ᩱᙧ≧ࢆᚤᑠ⌫ࡢ㞟ྜయࡋࡓࣔࢹ࡛ࣝ㏆ఝࡋࠊࡑࢀࡀ '(0 ࡼࡾ
࣑ࣝࢆ㐠ືࡋ࡚ᅽ⦰⾪✺⌧㇟ࢆ⧞ࡾ㏉ࡍࡀࠊࡑࡢ㐣⛬࡛ཷࡅࡓຊᏛⓗᛂຊࡼࡾ◚ቯࡍࡿࣉࣟࢭࢫࢆ
ࣔࢹࣝࡼࡾ⾲⌧ࡍࡿࡇࡀ࡛ࡁࠊᐇ㝿ࡢ⮬⏕⢊○⌧㇟ࢆ࠶ࡿ⛬ᗘࡢ⢭ᗘ࡛⌧࡛ࡁࡿࡇࡀศࡗ ࡓࠋᚋࡣࠊᚤᑠ⌫ࡢ⢏ᚄࢆኚࡉࡏࡓሙྜࡢࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⾜࠸ࠊᐇ ⤖ᯝࡢ㛵㐃ᛶࢆ᳨ウ ࡍࡿࠋ
㻞㻚㻟㻌 㻌 㻰㻱㻹 䝅䝭䝳䝺䞊䝅䝵䞁䛻䛚䛡䜛⢒⢏䝰䝕䝹䛾ᥦ䛸䝭䝹䛾䝇䜿䞊䝹䜰䝑䝥䚸㢦ᩱ䛾ศᩓᛶホ౯㻌
ࣅ࣮ࢬ࣑ࣝࡣ㸪࣮࢝࣎ࣥࣈࣛࢵࢡ࡞ࡢ㢦ᩱࡢศᩓᶵࡋ࡚ከ⏝ࡉࢀ࡚࠸ࡿࠋ࣑ࣝࡢࢫࢣ࣮ࣝࢵ
ࣉᶵࡼࡿ㢦ᩱࡢ᭱㐺࡞ศᩓฎ⌮ά⏝ࡍࡿሙྜࠊࣅ࣮ࢬᩘࡀ⭾࡞ࡾࠊ'(0ࢩ࣑࣮ࣗࣞࢩࣙࣥࡼ
ࡿࣅ࣮ࢬ㐠ືࢆᢕᥱࡋࡼ࠺ࡍࡿィ⟬㈇Ⲵࡀ㧗ࡃ࡞ࡾ⌧ᐇⓗ࡛࡞࠸ࠋᮏ◊✲࡛ࡣࠊ」ᩘࡢࣅ࣮ࢬᩘ
ࢆ⢒⢏ࡋ࡚ぢࡅୖ'(0ࢩ࣑࣮ࣗࣞࢩࣙࣥ࠾ࡅࡿ⢏Ꮚᩘࢆᑡ࡞ࡃࡋ࡚ࡑࢀࡽࡢḟඖ㐠ືࢆ⌧ࡋࠊ
ྍどᐇ㦂᳨࡛ドࡋ࡚ࢩ࣑࣮ࣗࣞࢩࣙࣥ⤖ᯝࡢጇᙜᛶࢆ᳨ドࡋࠊࡑࡢୖ࡛ࠊ㢦ᩱࡢศᩓᛶࢆᥦࡋࠊ
࣑ࣝ᧯స᮲௳ࡢ᭱㐺ᙺ❧࡚࡚࠸ࡿࠋ
㻞㻚㻠 㻌 㕲㖔▼ධཎᩱ䛾ሁ✚ᣲື䛾䝅䝭䝳䝺䞊䝅䝵䞁㻌
㧗⅔ἲ࠾ࡅࡿ〇㕲࠾࠸࡚ࡣ㸪ཎᩱ࡛࠶ࡿ㕲㖔▼㸪ࢥ࣮ࢡࢫ㸪▼⅊▼ࢆΰྜ㸪㐀⢏㸪↝⤖ᚋ㸪㧗
⅔ධࡉࢀࡿࠋ↝⤖ࡢ㐣⛬࡛ࡣ㸪ຠ⋡ࡼࡃఏ⇕ࡉࡏ㸪ሢᡂࡍࡿࡓࡵ㸪㐀⢏యࡢ⢏ᗘ೫ᯒࢆ⢭⦓
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