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temp2.qlua
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temp2.qlua
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require "stdlib"
-- cvc g0 g1 g2 g3 g5 id
-- qlua g3 g0 g1 g2 g5 gamma[0]
-- proton and antiproton
function proton_2pt(d, u)
-- g0 g2 g5
local Cg5 = gamma{mu=2} * gamma{mu=0}
local Pp = (1 + gamma{mu=3}) / 4
local a2 = Pp * u
local a3 = qcd.quarkContract13(Cg5 * d * Cg5, u )
return -(a2:spintrace() * a3:spintrace() + (a2 * a3):spintrace()):trace()
end
function antiproton_2pt(d, u)
local Cg5 = gamma{mu=2} * gamma{mu=0}
local Pm = (1 - gamma{mu=3}) / 4
local a2 = Pm * u
local a3 = qcd.quarkContract13(Cg5* d * Cg5, u )
return -(a2:spintrace() * a3:spintrace() + (a2 * a3):spintrace()):trace()
end
--function proton2_2pt(d, u)
-- -- g0 g2
-- local C = gamma{mu=3} * gamma{mu=1}
-- local Pp = (1 + gamma{mu=3}) / 4
-- local a2 = gamma{mu=5} * ( Pp * ( gamma{mu=5}* u ) )
-- local a3 = qcd.quarkContract13(d * C, C * u)
-- return (a2:spintrace() * a3:spintrace() + (a2 * a3):spintrace()):trace()
--end
--
--function antiproton2_2pt(d, u)
-- local C = gamma{mu=3} * gamma{mu=1}
-- local Pm = (1 - gamma{mu=3}) / 4
-- local a2 = gamma{mu=5} * ( Pm * ( gamma{mu=5}* u ) )
-- local a3 = qcd.quarkContract13(d * C, C * u)
-- return (a2:spintrace() * a3:spintrace() + (a2 * a3):spintrace()):trace()
--end
--
--function proton3_2pt(d, u)
-- -- g0 g2 g5
-- local Cg5 = gamma{mu=3} * gamma{mu=1} * gamma{mu=5} * gamma{mu=3}
-- local Pp = (1 + gamma{mu=3}) / 4
-- local a2 = Pp * u
-- local a3 = qcd.quarkContract13(d * Cg5, Cg5 * u)
-- return (a2:spintrace() * a3:spintrace() + (a2 * a3):spintrace()):trace()
--end
--
--function antiproton3_2pt(d, u)
-- local Cg5 = gamma{mu=3} * gamma{mu=1} * gamma{mu=5} * gamma{mu=3}
-- local Pm = (1 - gamma{mu=3}) / 4
-- local a2 = Pm * u
-- local a3 = qcd.quarkContract13(d * Cg5, Cg5 * u)
-- return (a2:spintrace() * a3:spintrace() + (a2 * a3):spintrace()):trace()
--end
--
-- delta and anti-delta
function deltapp_2pt( u, inp, out)
-- g0 g2 gmu
corr_proj = {}
local Cgin = gamma{mu=3} * gamma{mu=1} * gamma{mu=inp}
local Cgout = gamma{mu=3} * gamma{mu=1} * gamma{mu=out}
-- local Pp = (1 + gamma{mu=3}) / 4
local bar_sign = vector.real(4)
bar_sign[0] = 1 -- x
bar_sign[1] = -1 -- y
bar_sign[2] = 1 -- z
bar_sign[3] = 1 -- t
local a2 = u
local a3 = qcd.quarkContract13( Cgout * u * Cgin, u )
--local a4 = qcd.quarkContract13( Cgout * u, u * Cgin )
local res = (a2 *( a3 ))
-- a4 = a2 * Cgin
-- a3 = qcd.quarkContract13( Cgout * u, u )
--res = res + (a4 * (a3 + a3:spintranspose()))
for i=0, 15 do
local Pp = gamma{n=i}
corr_proj[i] = (( Pp * res ):spintrace():trace()) * bar_sign[out]
end
return corr_proj
end
--function antideltapp_2pt(d, u, mu, nu)
-- -- g0 g2 gmu
-- local Cgmu = gamma{mu=3} * gamma{mu=1} * gamma{mu=mu}
-- local Cgnu = gamma{mu=3} * gamma{mu=1} * gamma{mu=nu}
-- local Pp = (1 - gamma{mu=3}) / 4
-- local bar_sign = vector.real(4)
-- bar_sign[0] = 1 -- x
-- bar_sign[1] = -1 -- y
-- bar_sign[2] = 1 -- z
-- bar_sign[3] = 1 -- t
--
-- local a2 = Pp * u
--
-- local a3 = qcd.quarkContract13( Cgmu * u * Cgnu, u )
-- local a4 = qcd.quarkContract13( Cgmu * u, u * Cgnu )
-- local res = ( a2:spintrace() * (a3 + a4):spintrace() ):trace()
--
-- a4 = a2 * Cgnu
-- a3 = qcd.quarkContract13( u, Cgmu * u )
-- res = res + (a4 * a3):spintrace():trace()
--
-- a3 = qcd.quarkContract13( Cgmu * u, u )
-- res = res + (a4 * a3):spintrace():trace()
--
-- a3 = qcd.quarkContract13( u * Cgnu, Cgmu * u )
-- a4 = qcd.quarkContract13( Cgmu * u * Cgnu, u )
-- res = res + (a2 * (a3 + a4)):spintrace():trace()
--
-- return res * bar_sign[nu]
--end
--function deltapion_3pt (d, u inp, cur, out)
--end -- ********************************************************************
-- * run contractions
-- ********************************************************************
function contract_baryon_2pt(L, prop, src_loc, snk_momenta, aff_out)
-- boundary phase
boundary_phase = vector.complex(L[3])
for it = 0, src_loc[3] - 1 do
boundary_phase[it] = -1
end
for it = src_loc[3], L[3]-1 do
boundary_phase[it] = 1
end
-- -- proton
-- p2pt_fw = proton_2pt(prop, prop)
-- p2pt_bw = antiproton_2pt(prop, prop)
--
-- for isnk, snk_mom in ipairs(snk_momenta) do
-- local px = (2 * math.pi * snk_mom[1]) / L[0]
-- local py = (2 * math.pi * snk_mom[2]) / L[1]
-- local pz = (2 * math.pi * snk_mom[3]) / L[2]
-- local w = ( (L:Real(L:pcoord(0)) - src_loc[0]) * px +
-- (L:Real(L:pcoord(1)) - src_loc[1]) * py +
-- (L:Real(L:pcoord(2)) - src_loc[2]) * pz):expi()
-- local w2 = (p2pt_fw * w):sum(L:MultiSet(L[3], L:pcoord(3)))
-- local w3 = (p2pt_bw * w):sum(L:MultiSet(L[3], L:pcoord(3)))
-- local q2 = vector.complex(L[3])
-- local q3 = vector.complex(L[3])
--
-- for i = 0, #w2 - 1 do -- print 2pt values
-- it = ( i + src_loc[3] ) % L[3]
-- q2[i] = w2[it] * boundary_phase[it]
-- q3[i] = w3[it] * boundary_phase[it]
-- --printf("%3d%3d%3d%5d%16.7e%16.7e%16.7e%16.7e\n", snk_mom[1], snk_mom[2], snk_mom[3], i, q2[i]:real(), q2[i]:imag(), q3[i]:real(), q3[i]:imag())
-- end
--
-- name = string.format("/proton/fw/px%.2dpy%.2dpz%.2d/x%.2dy%.2dz%.2dt%.2d",
-- snk_mom[1], snk_mom[2], snk_mom[3], src_loc[0], src_loc[1], src_loc[2],src_loc[3])
-- aff_out:write(name, q2)
-- name = string.format("/proton/bw/px%.2dpy%.2dpz%.2d/x%.2dy%.2dz%.2dt%.2d",
-- snk_mom[1], snk_mom[2], snk_mom[3], src_loc[0], src_loc[1], src_loc[2],src_loc[3])
-- aff_out:write(name, q3)
--
-- w2=nil
-- w3=nil
-- q2=nil
-- q3=nil
-- end -- of loop on snk_momenta
-- -- proton2
-- p2pt_fw = proton2_2pt(prop, prop)
-- p2pt_bw = antiproton2_2pt(prop, prop)
--
-- for isnk, snk_mom in ipairs(snk_momenta) do
-- local px = (2 * math.pi * snk_mom[1]) / L[0]
-- local py = (2 * math.pi * snk_mom[2]) / L[1]
-- local pz = (2 * math.pi * snk_mom[3]) / L[2]
-- local w = ( (L:Real(L:pcoord(0)) - src_loc[0]) * px +
-- (L:Real(L:pcoord(1)) - src_loc[1]) * py +
-- (L:Real(L:pcoord(2)) - src_loc[2]) * pz):expi()
-- local w2 = (p2pt_fw * w):sum(L:MultiSet(L[3], L:pcoord(3)))
-- local w3 = (p2pt_bw * w):sum(L:MultiSet(L[3], L:pcoord(3)))
-- local q2 = vector.complex(L[3])
-- local q3 = vector.complex(L[3])
--
-- for i = 0, #w2 - 1 do -- print 2pt values
-- it = ( i + src_loc[3] ) % L[3]
-- q2[i] = w2[it] * boundary_phase[it]
-- q3[i] = w3[it] * boundary_phase[it]
-- --printf("%3d%3d%3d%5d%16.7e%16.7e%16.7e%16.7e\n", snk_mom[1], snk_mom[2], snk_mom[3], i, q2[i]:real(), q2[i]:imag(), q3[i]:real(), q3[i]:imag())
-- end
--
-- name = string.format("/proton2/fw/px%.2dpy%.2dpz%.2d/x%.2dy%.2dz%.2dt%.2d",
-- snk_mom[1], snk_mom[2], snk_mom[3], src_loc[0], src_loc[1], src_loc[2],src_loc[3])
-- aff_out:write(name, q2)
-- name = string.format("/proton2/bw/px%.2dpy%.2dpz%.2d/x%.2dy%.2dz%.2dt%.2d",
-- snk_mom[1], snk_mom[2], snk_mom[3], src_loc[0], src_loc[1], src_loc[2],src_loc[3])
-- aff_out:write(name, q3)
--
-- w2=nil
-- w3=nil
-- q2=nil
-- q3=nil
-- end -- of loop on snk_momenta
--
-- -- proton3
-- p2pt_fw = proton3_2pt(prop, prop)
-- p2pt_bw = antiproton3_2pt(prop, prop)
--
-- for isnk, snk_mom in ipairs(snk_momenta) do
-- local px = (2 * math.pi * snk_mom[1]) / L[0]
-- local py = (2 * math.pi * snk_mom[2]) / L[1]
-- local pz = (2 * math.pi * snk_mom[3]) / L[2]
-- local w = ( (L:Real(L:pcoord(0)) - src_loc[0]) * px +
-- (L:Real(L:pcoord(1)) - src_loc[1]) * py +
-- (L:Real(L:pcoord(2)) - src_loc[2]) * pz):expi()
-- local w2 = (p2pt_fw * w):sum(L:MultiSet(L[3], L:pcoord(3)))
-- local w3 = (p2pt_bw * w):sum(L:MultiSet(L[3], L:pcoord(3)))
-- local q2 = vector.complex(L[3])
-- local q3 = vector.complex(L[3])
--
-- for i = 0, #w2 - 1 do -- print 2pt values
-- it = ( i + src_loc[3] ) % L[3]
-- q2[i] = w2[it] * boundary_phase[it]
-- q3[i] = w3[it] * boundary_phase[it]
-- --printf("%3d%3d%3d%5d%16.7e%16.7e%16.7e%16.7e\n", snk_mom[1], snk_mom[2], snk_mom[3], i, q2[i]:real(), q2[i]:imag(), q3[i]:real(), q3[i]:imag())
-- end
--
-- name = string.format("/proton3/fw/px%.2dpy%.2dpz%.2d/x%.2dy%.2dz%.2dt%.2d",
-- snk_mom[1], snk_mom[2], snk_mom[3], src_loc[0], src_loc[1], src_loc[2],src_loc[3])
-- aff_out:write(name, q2)
-- name = string.format("/proton3/bw/px%.2dpy%.2dpz%.2d/x%.2dy%.2dz%.2dt%.2d",
-- snk_mom[1], snk_mom[2], snk_mom[3], src_loc[0], src_loc[1], src_loc[2],src_loc[3])
-- aff_out:write(name, q3)
--
-- w2=nil
-- w3=nil
-- q2=nil
-- q3=nil
-- end -- of loop on snk_momenta
--
-- delta 2-point
for imu = 0, 3 do
mu = (imu + 3) % 4
for inu = 0, 3 do
nu = (inu + 3) % 4
dpp2pt_fw = deltapp_2pt(prop, mu, nu)
-- dpp2pt_bw = antideltapp_2pt(prop, prop, mu, nu)
for isnk, snk_mom in ipairs(snk_momenta) do
local px = (2 * math.pi * snk_mom[1]) / L[0]
local py = (2 * math.pi * snk_mom[2]) / L[1]
local pz = (2 * math.pi * snk_mom[3]) / L[2]
local w = ( (L:Real(L:pcoord(0)) - src_loc[0]) * px +
(L:Real(L:pcoord(1)) - src_loc[1]) * py +
(L:Real(L:pcoord(2)) - src_loc[2]) * pz):expi()
for index = 0,15 do
local w2 = (dpp2pt_fw[index] * w):sum(L:MultiSet(L[3], L:pcoord(3)))
-- local w3 = (dpp2pt_bw * w):sum(L:MultiSet(L[3], L:pcoord(3)))
local q2 = vector.complex(L[3])
-- local q3 = vector.complex(L[3])
for i = 0, #w2 - 1 do -- print 2pt values
it = ( i + src_loc[3] ) % L[3]
q2[i] = w2[it] * boundary_phase[it]
-- q3[i] = w3[it] * boundary_phase[it]
-- printf("%3d%3d%3d%5d%3d%3d%16.7e%16.7e%16.7e%16.7e\n", snk_mom[1], snk_mom[2], snk_mom[3], imu, inu, i, q2:real(), q2:imag(), q3:real(), q3:imag())
end
name = string.format("/deltapp/fw/proj%.2d/in%dout%d/px%.2dpy%.2dpz%.2d/x%.2dy%.2dz%.2dt%.2d",
index, mu, nu,
snk_mom[1], snk_mom[2], snk_mom[3], src_loc[0], src_loc[1], src_loc[2],src_loc[3])
aff_out:write(name, q2)
-- name = string.format("/deltapp/bw/mu%dnu%d/px%.2dpy%.2dpz%.2d/x%.2dy%.2dz%.2dt%.2d",
-- imu, inu,
-- snk_mom[1], snk_mom[2], snk_mom[3], src_loc[0], src_loc[1], src_loc[2],src_loc[3])
-- aff_out:write(name, q3)
w2=nil
-- w3=nil
q2=nil
-- q3=nil
end -- of index of projectors
end -- of loop on snk_momenta
end -- of nu
end -- of mu
boundary_phase = nil
end -- contract_baryon_2pt