Nonlinear Sciences / Nlin.CG

All posts under category "Nonlinear Sciences / Nlin.CG"

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Generalization of Conways 'Game of Life' to a continuous domain -   SmoothLife

Generalization of Conways 'Game of Life' to a continuous domain - SmoothLife

๋ณธ ๋…ผ๋ฌธ์€ ์ฝ˜์›จ์ด์˜ '๋ผ์ดํ”„ ๊ฒŒ์ž„'์„ ์—ฐ์† ๋„๋ฉ”์ธ์œผ๋กœ ์ผ๋ฐ˜ํ™”ํ•˜๋Š” SmoothLife ๋ชจ๋ธ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•œ๋‹ค. ์ด ๋ชจ๋ธ์€ ๊ธฐ์กด์˜ ์ด์‚ฐ์ ์ธ ์ƒํƒœ์™€ ์ด์›ƒ ๊ตฌ์กฐ๋ฅผ ์—ฐ์†์ ์ธ ๊ฐ’๊ณผ ํ•จ์ˆ˜๋กœ ๋Œ€์ฒดํ•˜์—ฌ, ๋” ๋ณต์žกํ•˜๊ณ  ๋ฏธ๋ฌ˜ํ•œ ํŒจํ„ด ์ƒ์„ฑ์ด ๊ฐ€๋Šฅํ•˜๋„๋ก ํ•œ๋‹ค. 1. SmoothLife ๋ชจ๋ธ์˜ ๊ฐœ๋… SmoothLife๋Š” ์…€์˜ ํฌ๊ธฐ๊ฐ€ ๋ฌดํ•œ์†Œ๊ฐ€ ์•„๋‹Œ ์œ ํ•œํ•˜๋‹ค๊ณ  ๊ฐ€์ •ํ•˜๋ฉฐ, ์ด์— ๋”ฐ๋ผ ์…€์˜ ์ƒํƒœ์™€ ์ด์›ƒ ๊ตฌ์กฐ๋ฅผ ์—ฐ์†์ ์ธ ํ•จ์ˆ˜๋กœ ํ‘œํ˜„ํ•œ๋‹ค. ๊ฐ ์…€์€ ์›ํ˜• ํ˜•ํƒœ๋ฅผ ๊ฐ€์ง€๋ฉฐ, ๊ทธ ๋‚ด๋ถ€์™€ ์™ธ๋ถ€์˜ '์ฑ„์šฐ๊ธฐ' ๊ฐ’์„ ํ†ตํ•ด ์ƒํƒœ๋ฅผ ๊ฒฐ์ •ํ•œ๋‹ค. ์ด๋Ÿฌํ•œ ์ ‘๊ทผ ๋ฐฉ์‹์„ ํ†ตํ•ด ๊ธฐ์กด GoL์—์„œ ๋ฐœ

Nonlinear Sciences
Damage spreading in the sandpile model of SOC

Damage spreading in the sandpile model of SOC

๋ณธ ๋…ผ๋ฌธ์€ ๋ชจ๋ž˜๋”๋ฏธ ๋ชจ๋ธ์—์„œ ์ž‘์€ ๊ต๋ž€์ด ์–ด๋–ป๊ฒŒ ํ™•์‚ฐ๋˜๋Š”์ง€๋ฅผ ์—ฐ๊ตฌํ•˜๋Š” ๊ฒƒ์œผ๋กœ, ์ด๋Š” ์ž์œจ ์‹œ์Šคํ…œ์˜ ๋™์  ํ–‰๋™์— ๋Œ€ํ•œ ์ค‘์š”ํ•œ ์ดํ•ด๋ฅผ ์ œ๊ณตํ•œ๋‹ค. ํŠนํžˆ, ์ด ์—ฐ๊ตฌ๋Š” ์†์ƒ(damage)์˜ ํ™•์‚ฐ์„ ํ†ตํ•ด SOC ์ƒํƒœ์—์„œ์˜ ์—ญ๋™์„ฑ์„ ํƒ๊ตฌํ•˜๋ฉฐ, ์ด๋ฅผ ํ†ตํ•ด ๋ชจ๋ž˜๋”๋ฏธ ๋ชจ๋ธ์ด ์–ด๋–ป๊ฒŒ ์ž๊ธฐ ์กฐ์งํ™”๋˜๊ณ  ๋น„ํŒ์ ์ธ ์ƒํƒœ๋ฅผ ์œ ์ง€ํ•˜๋Š”์ง€์— ๋Œ€ํ•œ ๊นŠ์€ ํ†ต์ฐฐ๋ ฅ์„ ์ œ๊ณตํ•œ๋‹ค. 1. ๋ชจ๋ธ ๋ฐ ์‹œ๋ฎฌ๋ ˆ์ด์…˜ ๋ชจ๋ž˜๋”๋ฏธ ๋ชจ๋ธ์€ ๊ฒฉ์ž ์ž๋™์ž ๋ชจ๋ธ๋กœ, ๊ฐ ์‚ฌ์ดํŠธ๋Š” ์ •์ˆ˜ ๊ฐ’์„ ๊ฐ€์งˆ ์ˆ˜ ์žˆ๋Š” ๋ณ€์ˆ˜ z(i, j)๋ฅผ ๊ฐ–๋Š”๋‹ค. ์ด ๊ฐ’์€ ๋ชจ๋ž˜ ์ž…์ž๊ฐ€ ์ถ”๊ฐ€๋  ๋•Œ๋งˆ๋‹ค ์ฆ๊ฐ€ํ•˜๊ณ , ํŠน์ • ์ž„๊ณ„๊ฐ’ zm์—

Condensed Matter Nonlinear Sciences Model

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