Condensed Matter / Cond-Mat.dis-Nn

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Size Effect of Diagonal Random Matrices

Size Effect of Diagonal Random Matrices

1. ๋ฌด์ž‘์œ„ ํ–‰๋ ฌ ์ด๋ก ์˜ ๋ฐฐ๊ฒฝ ๋ฌด์ž‘์œ„ ํ–‰๋ ฌ ์ด๋ก ์€ ํ˜ผ๋ž€์Šค๋Ÿฌ์šด ์–‘์ž ์‹œ์Šคํ…œ์˜ ์ŠคํŽ™ํŠธ๋Ÿผ ํ†ต๊ณ„์  ํŠน์„ฑ์„ ์„ค๋ช…ํ•˜๋Š” ์ค‘์š”ํ•œ ๋„๊ตฌ์ด๋‹ค. ํŠนํžˆ, ์‹œ๊ฐ„ ๋ฐ˜์ „ ๋ถˆ๋ณ€ ์–‘์ž ์‹œ์Šคํ…œ์€ ํšŒ์ „ ๋Œ€์นญ์„ ๊ฐ€์งˆ ๋•Œ ๊ฐ€์šฐ์Šค ์ง๊ต ์ง‘ํ•ฉ(GOE)์˜ ๋ฌด์ž‘์œ„ ํ–‰๋ ฌ๋กœ ํ‘œํ˜„๋œ๋‹ค. ์ด๋Š” ํ˜ผ๋ž€์Šค๋Ÿฌ์šด ์‹œ์Šคํ…œ์—์„œ ์ˆ˜์ค€ ์ƒ๊ด€ ๊ด€๊ณ„๋ฅผ ์„ค๋ช…ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋˜๋ฉฐ, N์ด ๋ฌดํ•œ๋Œ€๋กœ ์ ‘๊ทผํ•  ๋•Œ ๊ฐ€์žฅ ํฅ๋ฏธ๋กœ์šด ๊ฒฐ๊ณผ๊ฐ€ ์–ป์–ด์ง„๋‹ค. 2. ๋Œ€๊ฐ ๋ฌด์ž‘์œ„ ํ–‰๋ ฌ์˜ ํŠน์„ฑ ๋…ผ๋ฌธ์€ N์ฐจ์› ๋Œ€๊ฐ ๋ฌด์ž‘์œ„ ํ–‰๋ ฌ์˜ ๊ณ ์œ ๊ฐ’ ํ†ต๊ณ„ํ•™์„ ๋ถ„์„ํ•œ๋‹ค. ํŠนํžˆ, ์ˆ˜์ค€ ๊ฐ„ ๊ฐ„๊ฒฉ(NNS) ๋ถ„ํฌ์™€ ๋ถ„์‚ฐ ฮฃยฒ๋ฅผ ํ†ตํ•ด ๋‹จ๊ธฐ ๋ฐ ์žฅ๊ธฐ ์ƒ๊ด€ ๊ด€๊ณ„๋ฅผ

Nonlinear Sciences Condensed Matter

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