日录 阁图展开与有复势 Coleman-Weinberg厘论 Gross-Neveu模型 局域复合算管的有液势 000●0000000 000000000 D000000 0o0000 四线顶角： 8W[] 6Jx1)6Jx2)6J3)6Jx4 62WU) 8w[ 62Ww☑ 3T向间 dd6d66786a0o)a0()66(6)56) 8w( 62w 8w =∫txd%tdmo两oa元西o7 62W[U 6'r回 60()6(x)6()δp() dxidsds 63T[ 6()5()6() 3W☑ 82w(J 62W 8w[J 63w☑ w☑ 6J()iJ()6J(x4)6J(2)6J()6J(3)6J) 6Jx1)Jx)6J(x)6J()5J(x4)6J(x3)5J() 8w[ w☑ 8w 6J(x)6J(x)6J(x2)6J(2)6J(x3)6J()6J(x4) T 王行( 物通谁过动力学对称性自发破缺✽➵ ✗ãÐ♠❺❦✟➩ Coleman-Weinberg♥Ø Gross-Neveu✜✳ Û➁❊Ü➂❰✛❦✟➩ ♦❶➸✍➭ δ 4W[J] δJ(x1)δJ(x2)δJ(x3)δJ(x4) = δ δJ(x4) » 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[φˆ] δφˆ(x 0 1 )δφˆ(x 0 2 )δφˆ(x 0 3 ) – = Z d 4 x 0 1d 4 x 0 2d 4 x 0 3d 4 x 0 4 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 2W[J] δJ(x4)δJ(x 0 4 ) × δ 4Γ[φˆ] δφˆ(x 0 1 )δφˆ(x 0 2 )δφˆ(x 0 3 )δφˆ(x 0 4 ) + Z d 4 x 0 1d 4 x 0 2d 4 x 0 3 δ 3Γ[φˆ] δφˆ(x 0 1 )δφˆ(x 0 2 )δφˆ(x 0 3 ) × » δ 3W[J] δJ(x1)δJ(x 0 1 )δJ(x4) δ 2W[J] δJ(x2)δJ(x 0 2 ) δ 2W[J] δJ(x3)δJ(x 0 3 ) + δ 2W[J] δJ(x1)δJ(x 0 1 ) δ 3W[J] δJ(x2)δJ(x 0 2 )δJ(x4) δ 2W[J] δJ(x3)δJ(x 0 3 ) + δ 2W[J] δJ(x1)δJ(x 0 1 ) δ 2W[J] δJ(x2)δJ(x 0 2 ) δ 3W[J] δJ(x3)δJ(x 0 3 )δJ(x4) – ✜➇ (➌✉➀➷) â❢♥Ø❀❑ ➘ å ➷ é → ✺ ❣ ✉ ➺ ✧