⺻ Ʈ ѹα ߱ Ϻ  ̱  û  ַ ѹα dz δ밣 ֻ   Ʈŷ   Ʈŷ 似Ƽ ij ƼƮ ũε ߻ ij󸶻 Ŭ ڵ AT Ʈŷ  ũ


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Susskind < dz> (!)  🌹
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ַ 2004 , ̷ ǥڰ Ų 
(Leonard Susskind 1940~) < dz> The Cosmic Landscape (Little, Brown 2005; 賫 ű, ̾𽺺 2011)Դϴ.
ڴ å װ ñߴ ׵鿡 ִ ϰ, ʷ ü մϴ!
Ϲ 뼺 п ؿ ڹ ǥظ ̷ Ȳ ؼ
'η ' ȣָӴ ֿ ް- پ 'dz'鿡 ɿ ó ϰ Դϴ.

   1960 George Gamow - ̷ ֶ 20 з, ֱٿ 츮 ְ Alan Guth
û 'ȣָӴ ' ް ٲ ֽϴ. 츮   ڿ Ģ dz
ϵ ϰ ֽϴ. ڰ ϴ 'dz'̶ ̷ 踦 θ Ÿ ǹմϴ.
'η ' (ΰ ) 츮 ָ ϵ 谡 ̼ Ǿٴ  ٰŰ ֽϴ. ÿ  
' ̷' ū 100500 ٸ dz ϰ ֽϴ. ֱ õ 츮 ְ 150⺸ ξ ũ 'â'
Ȯմϴ. ' ' 0 ƴ϶ ̸, 21⸻̸ ̳ dz dz
ް Ȯϰ ֽϴ.  
  
   2000 Ģ ϸ, ϰ ش ǥϴ Ģ̾µ 20 νŸο
Ģ ̸  ڷμ Ģ̶ ϰ Ǿϴ. ڱ ª
ٴ ͵ νŸ ߿ Դϴ. ⿡  Heisenberg Ȯ Ǹ ӵ Ѵٸ
' (quantum jitter)' ݵ Ǹ  ' (zero-point energy)'Դϴ. ׸
'' а ַп ū ϴ. , Ƶ ⹦ Դϴ.
   ̾  ڹ Ʋ ' ̷(quantum field theory)' Ǹϰ ðȭ 'θ ' ϴ ڿ     
' ⿪(Quantum Electrodynamics  QED)' Ұմϴ. θ ű⼭ ڸ 'ð Ž ' ڷμ մϴ.
ű⼭ 1/137 Ư ϳ ڸ ϳ Ȯ ̼ 𝛼 ۵ ̽͸Դϴ.
, , Ϸ Ÿ ׹ 'ǥ (standard model)' θ ˴ϴ. '
(Quantm Chromodynamics QCD)' ٹ ؼ ũ ۷ ̷̶ '' ̷̶ մϴ. ''
ǥ Ϻ μ, ̴ ߼ڿ W ũ Z ε ڿ ° 踦 ϴ.
ǥ Ⱓ û Ȯ ϳ 30 'ڿ 'ؾ߸ մϴ.
Ģ о߸ Ģ ڱ ڽ մϴ!

   νŸο ϸ '3 (3-sphere)'̸ ð ȭϴ dz ϴ. ⿡ ߷̶ Ҵ
° κ 'ô'Դϴ. ô Ÿ ־ ' ' 𝜆 Ÿ ִµ, ̰
' ' ' ' մϴ. ̴ öũ ð ϴ ' (virtual particle)' ؼ  
ϴ. 0 ƴ 'ּ ' ̸ 𝐸 = 𝑚𝑐2 ߷· ٿ ˴ϴ. ä
䵿ϴ ο 0̰ų ۾ƾ ϴ ٰŸ µ Steven Weinberg 'ΰ ' ǰؼ
10-120 ۾ƾ߸ ϴ ʱ ֿ ҿ е ̰ ŭ ʿ ߰Ͽϴ.
'ڿ ' Ǵ 'öũ ' θ , , ð, ε, ٷ ̰ 뼺 ̷а ΰ ϴ
' ߷(quantum gravity)' ˴ϴ.
  
   'dz'̶ ߻ϴ μ '' ⺻ ڵ ڿ ǹմϴ. '(field)'̶  
ϴ ü ġ 񰡽 Դϴ. νŸ '(quantum field)' ڱ
'' ε, ̴ ڵ鿡 ֽϴ. ׸ ǥظ ϴ ǹմϴ.
10 ִٸ 10 ˴ϴ. å ϴ dz ٴϴ 豸̶ 'ȣָӴ ' üԴϴ.
κ 0 0 ƴմϴ.  Ͽ ŵϴ.
츮 ִ dz ӿ 0  ֽϴ. dz ǥ Ųٸ ð
豸 ɼ ٴϴٰ ᱹ Ÿ ' ּҰ' ϴ.

   ڹп õǰ ִ ߷° ̽ ٷ ֽϴ. ù° öũ ̿
߷ º , ° ˱ ̰ ° ̷ ذϷ Դϴ.
' ̷' ߷° ϰ ְ ϴ ̷Դϴ. ̷ ' ߷(quantum gravity)' ̷μ ǹ̰
ֽϴ. ׷ 1980 ߹ݱ ̷ Edward Witten ߽ ϴ ߽ϴ. װ ű̿ϴ.
ù ° 1990뿡 ɼ ϱ޼ þϴ. ι ° -ϰ
ϴ. 0 ƴ ϴ. ڴ ̷ ԰
ϼ Ῡ ᱹ ̷ ٲ Ͻϴ. װ ǥ Ÿ ⼺ 츮 ڿ Ģ
츮 ڽ 縦 Ư ߾ μ ̷ ص  ϳ̱ Դϴ.

   1922 Alexander Friedmann ִ ð Ŀ ϰ ֿ ݿϴ '3 '߽ϴ.
, 0, ְ(hyperbolic paraboloid) ϴ. ִ âϰų Ͽ
Ը(big cruch) ̸ų â , ֳ ϳԴϴ.
е 10-25 kg/m3-缺 50 Ӱ еԴϴ. ׷ Ϲ    1/10 µ ܰ
ȸ ӵ ؼ Ģ ϸ 10谡 ſ ַڵ ǹ ̶ θϴ.
Ŵ ﰢ ׸ ˸ ִµ Դϴ.  ްļ
75km/s Ѵٸ ̴ 150̳, Ųٷ , ߷ ϸ ϹǷ Ȯ ϸ 100
˴ϴ. 缺 130⺸ , - ô 缺 30
Ѵٸ ̴ 140 ˴ϴ. 10 I ʽż- ׾ ߼ں Ǵ ǵ ̿
ְ â ߰ߵǾµ ̿ شϴ ġ-120° 0 ƴ S. Weinberg ΰ
ߴ Ϳ ٴ Դϴ.
   ְ ö-ڵ Ϻΰ κ Ӱ ü ƴٴ ¾ ǥ µ
Ģ ӵ Ͽ ÷ ȿ ũ ̵߽ϴ. 忡
ϹǷ ſ µ 3 ä ȵ˴ϴ. ̴ Ralph Alper Robert Herman ϰ 1964⿡              
Arno Penzias Robert Wilson 쿬 ߰ߵ   , û ϰ ũĸ س Դϴ.
ֽ WMAP 10-5  ƴ϶ ö  ߽ϴ. ߿ ϴ ū 
20 ¥ 츮κ Ÿ 1000 ̿ؼ WMAP ִ ϴٴ Դϴ.  
   þ Alxey Starobinsky 1979 ʱ⿡ Լ â-â ־ٰ ǥߴµ, 1980 Alan Guth
̵ ߰ϰ, 25 Ŀ â ̷ ַ ο ǥ Ǿϴ. ̰ dz濡
ռ 豸-츮 ְ 뿡 ִٰ ߿ 0 ̶ϴ! ߰,
Slava Mukhanov ϵ Ŵ ־ ߷ Ȯ ȿ ؼ Ȯ
Ȯǽ ǰ ֽϴ. , ְ dz ӿ    䵿 ־ â
ָ ߿ Ϸ ڶ е ̸ ̷ٴ Դϴ. ָ
ֽϴ. ̷ ߰ ַ ϳ ڴ մϴ!

   - 缺, ߼ڿ ڷ ̷ ߰ſ ö äٰ, ְ 鼭 缺ڿ
߼ڰ ޶پ ٵ- ϴ. ̵ 뱤 ȿ - ź
° յ ͼ ź, , , Ȳ ҵԴϴ. ó 캸 ϴ
θ 缺ڰ 浹ؼ 缺 ߼ ڿ ߼ڰ ϴ. ڴ ο ڿ ּҸϿ
ϰ ٲ ߼ڴ ӵ 缺ڿ ߼ڰ ߼Ҹ ϴ. ⿡ 缺ڰ
浹 ޶ 3̰, 2 3 浹ϸ, 缺 2 󰡰 4 ˴ϴ. ̷   
ſ ҵ ٲ źҿ ο ִٰ ᰡ ٴ ߷¿ رϰ ˴ϴ.
¾ó ر ' ּ' ǰ ſ Ȧ µ, Ư 鿡
ڰ ص Ǿ 缺ڸ ߼ڷ ٲ鼭 û е '߼ں' ˴ϴ. ׶ ڰ ڰ ϸ鼭
ؼ 鼭 Ϻٵ ʽż Դϴ. ׶ Բ û ߼ڵ ٱ
ıϰ ٵ Ѹϴ. 20 ߿ ߰ ϳ Fred Hoyle 츮 Ѵٴ
Ǹ ̷ Դϴ. ȣ ߰ߵ ź ̼ - 1/137
ڿ ϰ źҰ ְ ǰ ź Դϴ.    
   ׷ ٸ ̰ ̴ ź е 10-5 ұԿ Դϴ. ⿡
⺻ Ģ ڿ ڰ ־µ 1ﰳ ݾ缺ڿ 1 缺 ұ ִ
ʹ 2ﰳ ڿ 1 缺ڰ ְ Ǿϴ. ű⿡ 1041 1 ߷° 119° 0 ̼
'ΰ ' ϰ ֽϴ. ν 'ΰ ' ' ַ'
ٰ , ũ ̷, â ̷а ȭ ʵ 쿡 Ȯ ð( , 20, 100)
ʿ Ƿ, 츮 ֿ ߰ߵǴ Ģ ã ּ Դϴ.    
    
   ̷ а ߷ -öũ Ը𿡼 ַ ޲, , ޼հ ۷纼 ̷
'(hardron)' ̷п ۵Ǿϴ. ڵ  ź ִ 3 ũ ̷ϴ.
޼ ũ ũ Ŵ޸ ϳ ̷ ִµ. ̵ ΰ ּҸϸ鼭 ũ ũ ǰų
° ۷纼 ũ ũ Ҹϸ鼭 Դϴ. θ       
-2 ̶ Ű ð (world tube)̶ θϴ, ũ ũ ޼ Ǿ
˴ϴ. ׷ ̳ Y-տ ϳ ѷ ְ, յǸ Ʈũ
Ѵٴ ̵Դϴ. ̷ ߼ڿ 缺 ϴ ٷ , Ȯε
Ǿϴ.  

   ̷ ߷ Ϸ õ 6 'ȭ(compactification)' ϴ. νŸΰ ô
Theordor Klaulza Oscar Klein Į-Ŭ(KK) ̷п ϸ
̴ ڴ ϸ ȴٴ Դϴ.  ̷п KK ̷ ޾Ƶ鿩, 2
ѷ ̰ µ ȸ '' Ͽ ؼϸ, 6 'Į-߿ (Calabi-Yau Space)'
ǥմϴ. Į-߿ پ ȭ Ը-ѷ ̿ 鰳 '(moduli)'
پ dz ̲ϴ.    
   ̷п ¿ (, Z , W , ۷, ) Ŀ︮ Ÿ 丣̿
(, ߼, ũ) Ȯ ¦-̶ 'ʴĪ'̶ ܼȭ ֽϴ. ڿ ſó
ų ٻ Ī̶ ߰ߵDZ⸦ ϰ ֱ⵵ մϴ. 丣̿° Ȯ ¦ ̷ 䵿
ǹǷ ΰ 츮 ִ ʴĪ ʴٰ ˴ϴ. ȿ ڿ ְ ̰
ڿ ߰Ͽ, ڵ ſ ߷ Ұ ' ' ʴĪ ˴ϴ.      
   1995⿡ ̸ ̷ Edward Witten ȹ ̷ Ǵµ װ 'M ̷'̶ Ҹϴ. M ̷ 10
ź 2 ٷ 11 ̷μ, 1970 5 ̷е ̷ ص̶ Դϴ.
̴  ߶ õ ٴ ̷絵 Ͽ þ 1 2 ٲ۾
ȭ ܸ , ȭ ۰ϸ ȭ Ŀٴ ̵ ٰϰ ֽϴ.

   ڴ 1995  ȸ ȳ ̵ 20 뼺 ̷а ε, ڴ ó͵
Ǿ, ڵ ڸ ߽ ڵ ȭ ˵ б ͷκ ߰ߵ ִٰ
ִٰ մϴ. Ŀ︮ 19 ба ȭ ̵ Ʒ ϴ 2 ˵
־ 2 ڰ ˵ ä ϴ. ̷ Ȯ
, Ŀ︮ Ÿ Ͽ ڸ 쿡 ϳ ϸ
ڷ ̴ ڷμ - ٴ μ, ߿ θ ̰ ð Ž ڷ ߽ϴ. ݹ
̷ ϰ ǥ ̾ϴ. ǥ ũ. ߼, ¿, Ÿ ڵ
߰ , ̷ -н̷ Ŀ︮ Į ̷ 5+1 2
鿡 3 ڸ Ѵٴ 'ȯ ̷(non-Abelian gauge theory)' մϴ. ۷, , Z W
3 ڿ ڵ Ϲȭ Դϴ. ̷ Դϴ.

   Joseph Polchinski ̵ (0-), (1-), ź (2-) ä ̴ 'D-(brane)'Դϴ. 3
3-D ü ̶ , M ̷ ʴĪ Ϲ 뼺 ߷, , ׸ 5- ̷Դϴ.  
D- ⺻ ڵ , , , 谡 ű⼭ մϴ.
2 D2- ⺻ ڸ '÷' 츮 ַμ ߷ ü鰣 ߷ڿ
ߴٰ ƿν ϴ. ÷ص Դ ó Դϴ. ̰ ִ
D3- ٲٰ 6 ִٰ ϸ 츮 -' ' մϴ. 츮 ̿ ٸ
߷ ̸ ޿ ִµ ̰ ٷ 湰 Դϴ! ȭ ִ ͸ ƴ϶ ̸ ־
̳ ䷯ D1- ֽϴ. հŸ ġ dz ϴ Įó Դϴ. 
   (fluxes) dz ߿ ϳ öϴ. а п ϴ Į-߿ ⺻
' '(flux integer)μ Ե˴ϴ. ߰ ǰ- 'ڴϽW Ư(singularity)' ִµ
װ Į-߿ ִ ' Ư'Դϴ. Ư ӵ鿡 ó ð ÷ϴ.
   'KKLT(Kaxhru-Kalosh-Linde-Trovedi) '̶ Ҹ 500 ̿ ӵ
ּҸϴ 'ݸ(anti-brane)' ϴµ, ݸ ڴ Ư ˴ϴ. ̷ ݸ
DZ⿡ ߰ؼ KKLT ó ߰մϴ. dz KKLT 
߰ϸ ǥ ¥ ϴ.           
   Polchinski Raphael Bousso 500 ִ Į-߿ 1 ä ؼ ۴ 0
9 -10 ɼ մϴ. ׷ 100500 ٸ ¸ 'ҿ ü(discretuum)' θ
߿ Weinberg 츮 ϴ ' â' ã ֽϴ.  

   ڴ ̷ 100500 -dz ߿ Ư ' ' ã ٴ ް ɼ
ȭų ڿ Ŀ 'ϴ dz(populated ~)' ߰ϰ մϴ. dz ' ؾ'
' ڱ ' ˴ϴ. ؾ ð ̴ٰ ۽ ϱ ȭ Ű μ  
1 dz 豸 ð ִٰ ڱ ֹ Ѿ ' ͳθ ' ŵϴ.
   踦 ' (domain wall)'̶ θ ̴ (phase) ϰ 0 ū
ؾϸ ǰ ִ ǰ ٷ Polchinski D2-Դϴ.
   Willem de Sitter ̰ ӵ Ÿ ϸ âϴ ָ ߴµ, Լ âϴ
dz Ǹ ڱ ƴ ä ˴ϴ. ڴ Ģ ־    
ָ ˴ϴ. ׷ ӵ Ӱ ' '̶ ϸ ̰ ó ƴ
Ѱ Դϴ. ̷ ʸ ϴ ߿ Դϴ.    
   ڴ 15  Andrei Linde âϸ ǰ Ƴ ֿ Alexander Vilenkin û پ缺
âϴ ް м ϴ ' â' ؾ ְ ٷ ̷ dz ʿ Ͱ̶ մϴ.  
   е ݷ ¿ ۵Ǵٰ ϴµ, Steven Hawking ڵ ͳθ
Ͼ ̶ մϴ. ư ִ ʱ⿡ е ǰ ް Լ â 1020 ̻
Ŀϴ. ̴ ȣָӴ ְ dz ణ ִٰ õõ 縦 ް ο ٰ
ڱ ġ ڽ ̻ '簡(reheating)'̶ θ ħ ΰ ´
 Դϴ. Sideny Coleman Frank De Lucchia ְ âϴ ϴ ǰ       
ϴ 0 ƴ ̷ν ߽ϴ. ǰ ͳθ 幰 Ͼ, ݸ鿡    
Լ ڱ մϴ. ް ̷ ϴ ǰ Դϴ. ⼭
ǰ ӵ ޶鼭 ⺻ ڿ ڿ ð ٸ ȭմϴ. ̷ ̷ û پ
ȯ ٸ , ȭ ̸ ؼ Լ ϴ.          
   ̷ âϴ ǰ ڴ âϴ   ǰ ܺ ڿ ٸ âϴ ָ ˴ϴ.
ڴ ϴ dz ʸ Ұϴٴ 忡 ؼ ̴ 縦 ο ϴ
ް ٸ ȣָӴ ֵ '' ȭϰ ִ ̶ մϴ.     .  

   ް ʸӷ Ұ ȣָӴ ֵ ֵԴϴ. 1950뿡 Hugh Everett 3 
'ټ ؼ'̶ ؼ߰  Feynman, Gell-Mann, Weinberg, Wheeler Hawking ϸ, Bndon Carter 1974
ΰ ϴµ ־ϴ. ĵ Լ Ǵ Ȯ ϴµ,  
Niels Bohers ϰ Ĵ ǿ 'ĵ Լ ر'Ͽ ̷ ĵ Լ ϴ.
ַ ݺ 踦 Ƿ ټ ؼ ΰ ޾Ƶ鿩 ϸ, ް ĵ Լ
ٸ 츮 ϳ ִ Դϴ. , 츮
ο ϰ ϴ Bohr ̶, Ȯ -ް Everett              
ټ ؼ̰, ̷ ū dz̶ ϸ ΰ ڱ ȭ ˴ϴ. ָ ƴ   
ñ 庮 ƴұ 캸 մϴ.

   1980 ý ȸ Hawking Ȧ  ҽѴ ڿ Gerardus 't Hoof ̶
⺻ ȴٰ ߽ϴ. ׸ ׵ ̸ 20Ⱓ 'Ȧ
' ¸Ͽϴ. ׵ Ȧ  ڰ ޽ ȣŷ ۵Ǿ ǵ
'Ȧ 󺸼(complementarity)' 'Ȧα׷ ' ؼ Ͽϴ. ù° Ȧ ܺ ڰ տ
Ǵ Ȧ η  ڼ ĵ̳, Ȯ ġ ӵ, 뼺  
ϴ ȣ ̶ Դϴ. ܺ ڿԴ Ȧ 鼭
µ ڰ صǾ ᱹ Ǿ ƿ ¸, Ȧ  ߽ɺο ̸
ƹ ׳ Դϴ.
   Ȧα׷ Ȧ ϴ ߰ߵ ġ ڿ ٸ ġ ϴٴ , ǻ ȭ
2 3 ̵ 츮 ٸ ǵ̶   ִ ' Ȧα׷' ̹ Դϴ.
1990 ʿ ׵ Ŀ Juan Maldacena Witten ް 嵹 ϳ ˴ϴ.
   Ȧ 򼱰 âϴ ַ ̴ ڿ 츮 ۿ ְ, ڿ ȿ ִٴ Դϴ. ַ
ۿ ȣָӴ ֿ ߼۵ '' ֵ ִ Ȧα׷Դϴ.

   150 Charles Darwin ̶ п ش亸 , õа ַ ֽϴ.  
Ŀ ̷а ΰ Ҹ Ͽ ù° 谡 dz dz̰ ° 赵 û
ȯϴ Ŀ dzϴٴ Դϴ. ÿ ù° ǰ Ͼ dz ,
Ģ ũ ȭѴٴ ̸ ι° ȣָӴ ֵ ̿ ڿ ٴ Դϴ. 츮
̰ ΰ ǹ̷μ ڿ ⼳ ʿ ʽϴ. ַ Ŵ
ȭ ̷ ˴ϴ. " ް ä ɼ dz A Landscape of possibilities populated by a megaverse of
actualities" (ä̶ ̳ ָ ) ̴ ̷ó ƴ ΰ ǥǴ ϰ ܼ Դϴ.
   â Ǵµ 20 ɷȰ, Ұ ̷ Ǵ Ǵµ 100 ɷȵ,
̷ ؼ ؾ ϴ Դϴ.
                                
p.s.  Ʃ Ϲ 뼺 Ƿε Ų Ƹ ڹڵ ޴
        տ Andrei Linde â ַ(Inflationary Cosmology) Ƽ- ַ ϸ
        'Ȧα׷ ' âϴ 󸣵ڽ Ʈ('t Hooft: ȣƮ ٸ ǥ) Բ Ƽ ȣŷ ,
        20Ⱓ 'Ȧ ' ¸ . The Hawking Paradox (2005), The Black Hole War (2008) ...
        Ϲΰ Žڵ鿡Ե ڹ, ̷а ַп Ź 伭!
         ( å õüе鿡 ־ ֿ ...)    


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98  The Schrödinger Equation (7) Harmonic Oscillator  ✅     1 2020-09-17
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96    е ַм?     3 2020-08-09
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95      ַ ְ, ֽ, .. [u. 10/2024]   [1]   3 2020-08-09
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94   Mathematical Cosmology 1. Overview  🔵     6 2020-06-07
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93    Mathematical Cosmology 2. FRW geometry      6 2020-06-07
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92      Mathematical Cosmology 3. Cosmological models I     6 2020-06-07
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91        Mathematical Cosmology 4. Cosmological models II     6 2020-06-07
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90          Mathematical Cosmology 5. Inflationary cosmology     6 2020-06-07
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89            Mathematical Cosmology 6. Perturbations     6 2020-06-07
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88  Hobson Efstathiou Lasenby GR 11a. Schwartzschild Ȧ  🔴  [2]   3 2020-05-13
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