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جௐߨԋ %BJDIJ0#*/"5" ,VOJBLJ*("3"4)* LPTFODPOG

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جௐߨԋ %BJDIJ0#*/"5" ,VOJBLJ*("3"4)* LPTFODPOG લઆ

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ࣗݾ঺հ

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େ೔޲େ஍ʢ%BJDIJ0#*/"5"ʣ ೥૊௕໺૊ ˙ઐ໳෼໺ڵຯ͋Δ෼໺ ɹ)JHI1FSGPSNBODF$PNQVUJOH ɹ$PNQVUBUJPOBM&OHJOFFSJOH4DJFODF ɹ4DJFOUJpD7JTVBMJ[BUJPO ɹ1BSBMMFM$PNQVUJOH1SPHSBNNJOH ɹ$PNQJMFS0QUJNJ[BUJPO ˙׆ಈؔ࿈Ωʔϫʔυ ɹߴઐΧϯϑΝϨϯε ɹ௕໺ιϑτ΢ΣΞٕज़ऀάϧʔϓʢ/4&(ʣ ɹϏδϡΞϧܥߴઐੜ ɹ*OUFSOBUJPOBM4QBDF"QQT$IBMMFOHF ɹT !*OUFSOBUJPOBM4QBDF"QQT$IBMMFOHF5PLZP BTlFBSUIZz ˙ߴઐࡏֶ࣌୅ ɹ ɹ௕໺ߴઐిࢠ੍ޚ޻ֶՊ ɹϓϩίϯ ڝٕ ՝୊ ɹ8JHOFS෼෍ͷฒྻܭࢉ ϨΞΩϟϥ

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ޒेཛྷ๜໌ גࣜձࣾTQJDFMJGF $50 UXJUUFSJHBJHB GBDFCPPLLVOJBLJJHBSBTIJ ϓϩάϥϚʔ 3BJMT ܈അߴઐిؾ޻ֶՊଔ LPTFODPOG 5PLZP 3BJMTࣉࢠ԰Y

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ߴઐΧϯϑΝϨϯε ͱ͸ʁ

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/BUVSFTUZMF ஍࢈஍ফ ͔Βੜ·ΕΔ ϫΫϫΫײ

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தֶੜͷΈΜͳ͸ߴઐ΁͓͍ͰΑʂ ߴઐੜ͔Βࣾ௕΁ͷಓͷΓ ࡳຈߴઐͱ ࣗಈंͷ σβΠϯ ྔࢠྗֶͱྔࢠ҉߸ͷ؆୯ͳ͓͸ͳ͠ ࡸߐͷ஍਒ ෱Ҫߴઐ஍෺ݚͱ஍਒ݚڀ ߴઐϓϩίϯ࡞඼ʮίΤϥϦʯͷ঺հ ΦϯϥΠϯϝσΟΞͰهࣄΛॻ͘ํ๏ ٬һىۀՈʹ͍ͭͯ ͜Ε͔Βͷߴઐਤॻؗ ਫߞ࠿ഓʹΑΔ԰্྘Խͱɺͦͷ৽ల։ '1("Ͱ͸͡ΊΔϋʔυ΢ΣΞઃܭ ͔ͳ׽ࣈม׵ͷ࢓૊Έ "SEVJOPͰ࢝ΊΔϚΠίϯೖ໳ Րࡂใ஌ث΍ͦͷଞ๷ࡂػثʹ͍ͭͯ ௒খܕਓ޻Ӵ੕,,4ʰًࣚʱͷ։ൃ ݚڀऀ΁ͷಓͷΓ৽نਓ޻Ԙجରͷ૑੡ ٕज़৬һͷ͓࢓ࣄٕज़৬һʹͳΔͨΊʹ͸ ϏδϡΞϧܥߴઐੜ ('31Λ༻͍ͨΤίϥϯΧʔͷΧ΢ϧ੡࡞ ܅΋࡞Ζ͏Ӊ஦ϛογϣϯ ίϯϐϡʔλͰ਺Λѻ͏ࣄʹ͍ͭͯ όΠΦߴઐ ߴઐঁࢠºϑΝδΟ ඼࣭޻ֶͷεεϝ ϫΠϠϨεిྗ఻ૹ ๻͕ײಈͨ͠਺ֶͷ࿩ ಛڐͱֶੜੜ׆ʙিಥΛආ͚ΔͨΊʹʙ αΫιϑΥϯΧϧςοτͷੈք Ͳ͏΍ͬͯྔࢠίϯϐϡʔλʔΛͭ͘Δͷ͔
 ӳޠ͕࢖͑Δߴઐੜ ϓϩμΫτࢦ޲ब৬࿦ ߴઐੜతख๏ͰղઆlΫϩεΧοϓϦϯάz ਓ޻ے೑͍͍Αਓ޻ے೑ ൃిॴͷ࡞Γํ͋ͳͨ͸Ͳ͜Λ࡞Γ·͔͢ʁ τϤλੜ࢈ํࣜͬͯͳΜͩΖ͏Ͷ স͍ͱϢʔϞΞͷ఻౷ܳೳ༊͠ͱͯ͠ͷڰݴ ୤ϚΠΫϩιϑτɻߴઐ͔Βɺੈք΁ͷ௅ઓ ୤ʮצͱܦݧʯͲ͏ͯ͜͠͏ͳͬͨ தֶੜͰ΋Ͱ͖Δిࢠ޻࡞ ԽֶϝʔΧʔͬͯͲΜͳ͜ͱͯ͠Δͷʁ ޻ߴੜ͕ϚΠίϯΧʔϥϦʔͷ঺հΛ͠·͢ ෺࣭ͷ࠷খ୯Ґzૉཻࢠͷੈք ͋ͷ೔ݟͨձࣾͷຊԻΛ๻ୡ͸·ͩ஌Βͳ͍ ϏδϡΞϧܥߴઐੜ ߴઐͷঁࢠྈͷ͓࿩Λ͠·͢ɻ ͸͡Ίͯͷ-&%ύωϧ ੩ԬΛʮԽֶʯ͢Δ ੜ׆Λ๛͔ʹ͢Δ͋ͳͨͷ஌Βͳ͍ͭͷϞϊ ศརΛӨ͔Βࢧ͑ΔϑΣʔϧηʔϑ ߴઐੜ͕େ޷͖ͳ˓˓ͷ͓࿩ ΞϚνϡΞແઢڀۃͷ௨৴खஈ ࣄނ͸ͳͥ܁Γฦ͠ɺແ͘ͳΒͳ͍ͷ͔

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ࣗ༝Ͱ͢ ͳΜͰ΋͋ΓͰ͢

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ߴઐΧϯϑΝϨϯεͰ ΍ͬͨ΋ͷ Ͱ͖ͨ΋ͷ LPTFODPOGFGGFDU

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ΞϯΧϯϑΝϨϯε UPLZP

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;Δίϯ UPLZP

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ԕ଍ GVLVJ

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ฏඌઌੜ UPLZP ʮ৽نਓ޻Ԙجରͷ૑੡ʯ

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IUUQTXXXqJDLSDPNQIPUPTLBXBUBTPJOTFU KVOF UPLZP

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&.ߴઐΧϯϑΝϨϯε

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3BJMTࣉࢠ԰

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ߴઐΧϯϑΝϨϯεͷ ໘ന͞

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޷͖ʹ͍͍ͯ͠

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࿩͢ͱ໘ന͍ ࿩ͯ͠Α͔ͬͨ͜ͱ͸ʁ

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VTUͰࢥ͍΋ΑΒͳ͍ਓ ΁఻Θͬͯͨ ਆಸ઒ݝࡏॅࡀঁੑ

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·ΘΓͷਓ͕࿩͔͚ͯ͠ ͘ΕΔͷ͕خ͍͠ ౦ژ౎ࡏॅࡀஉੑ

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ձ৔Λࣗ෼ͷ΋ͷʹͰ͖Δ ओԋɺ٭ຊɺ؂ಜ Զ ౦ژ౎ࡏॅࡀஉੑ

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ࣗ෼ͷϕεττʔΫ

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量子力学と 量子暗号の かんたんなお話 Kuniaki IGARASHI 2008.12.6

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૬ޓ࡞༻ ԽֶมԽ ૬సҠ LPTFODPOG&GGFDU 3FTPVSDF

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ొஃऀ͚ͩͰͳ͘

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ࢀՃऀಉ࢜ͷ ૬ޓ࡞༻

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ճͷશࢀՃऀͷ ૬ޓ࡞༻ͷ݁Ռ͕ ࠓɺ͜ͷ৔ॴ

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ͱͳΓͷਓʹ ͞Γ͛ͳ͘࿩ٕ͢

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ʮࠓ೔ɺ ͓΋͠Ζ͔ͬͨ΋ͷ ͋Γ·͔ͨ͠ʁʯ

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ΈΜͳߴઐΛ஌ͬͯΔਓ ͔ͩΒා͘ͳ͍Αʂ

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ձ࿩͸ϋʔυϧߴ͗͢Δʂ ͱ͍͏ਓ͸UXJUUFS΋ ॻ͍ͨΒ͖ͬͱฦࣄ͕͖·͢

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ࠓ೔͔Β೔ؒ ࣗ༝ʹָ͠ΜͰ

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/BUVSFTUZMF ૬ޓ࡞༻ ͔Βੜ·ΕΔ ϫΫϫΫײ ͔Βੜ·ΕΔ ৽͍͠Կ͔ Ͳ͏ָ͍ͧ͠೔ؒΛ

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ࣄ຿ہͷ͓͡͞Μ͚ͩͲ Կ͔࣭໰͋Δʁ ࣭ٙԠ౴