日录 阁图展开与有效势 Coleman-Weinberg厘i论 Gross-Neveu模型 局域复合算管的有领势 00●00000000 000000000 D000000 0o0000 两线顶角： 6x-)= 6(x 2w) 6T[刷 6(x) 鹘器-∫而o阿 三线项角： 6 0=a 82w[J T创 dm)8J66(x2)ǒ0r) =厂d[)5 63W] 2T[] 8w[n 6J(x1)6J(2) 「dy T回 66y) 0y)5o(x2)5o(x)6J(x3) 8w] 8-w[J 8w[] 62w T[的 m3的a-Fd6da0gg7o576i85ag 王( 物通谁过动力学对称性自发破缺✽➵ ✗ãÐ♠❺❦✟➩ Coleman-Weinberg♥Ø Gross-Neveu✜✳ Û➁❊Ü➂❰✛❦✟➩ ü❶➸✍: δ(x − x 0 ) = δφˆ(x) δφˆ(x 0) = Z d 4 y δφˆ(x) δJ(y) δJ(y) δφˆ(x 0) = − Z d 4 y δ 2W[J] δJ(x)δJ(y) δ 2Γ[φˆ] δφˆ(y)δφˆ(x 0) ♥❶➸✍➭ 0 = δ δJ(x3) Z d 4 x2 δ 2W[J] δJ(x1)δJ(x2) δΓ[φˆ] δφˆ(x2)δφˆ(x 0) = Z d 4 x2 » δ 3W[J] δJ(x1)δJ(x2)δJ(x3) δ 2Γ[ψˆ] δφˆ(x2)δφˆ(x 0) + δ 2W[J] δJ(x1)δJ(x2) Z d 4 y δ 3Γ[φˆ] δφˆ(y)δφˆ(x2)δφˆ(x 0) δφˆ(y) δJ(x3) – δ 3W[J] δJ(x1)δJ(x2)δJ(x3) = Z d 4 x 0 1d 4 x 0 2d 4 x 0 3 δ 2W[J] δJ(x1)δJ(x 0 1 ) δ 2W[J] δJ(x2)δJ(x 0 2 ) δ 2W[J] δJ(x3)δJ(x 0 3 ) δ 3Γ[ψˆ] δφˆ(x 0 1 )δφˆ(x 0 2 )δφˆ(x 0 3 ) ✜➇ (➌✉➀➷) â❢♥Ø❀❑ ➘ å ➷ é → ✺ ❣ ✉ ➺ ✧