Hi Florian,
I have a problem in solving tadpole equations.
The Higgs I wrote is

DEFINITION[EWSB][VEVs]=
{
{Hd1, {vd1, 1/Sqrt[2]}, {sigmad1, I/Sqrt[2]}, {phid1, 1/Sqrt[2]}},
{Hd2, {vd2, 1/Sqrt[2]}, {sigmad2, I/Sqrt[2]}, {phid2, 1/Sqrt[2]}},
{HT, {vh, 1/Sqrt[2]}, {sigmah, I/Sqrt[2]}, {phih, 1/Sqrt[2]}},
{T0, {0, 1/Sqrt[2]}, {sigmat, I/Sqrt[2]}, {phit, 1/Sqrt[2]}},
{Hu, {vu, 1/Sqrt[2]}, {sigmau, I/Sqrt[2]}, {phiu, 1/Sqrt[2]}},
{x22, {0, 1/Sqrt[2]}, {sigmax11, I/Sqrt[2]}, {phix11, 1/Sqrt[2]}},
{x12, {0, 1/Sqrt[2]}, {sigmax12, I/Sqrt[2]}, {phix12, 1/Sqrt[2]}},

{x11, {v3, 1/Sqrt[2]}, {sigmax, I/Sqrt[2]}, {phix, 1/Sqrt[2]}}
};


while in spheno.m I wrote:

ParametersToSolveTadpoles = {mTd2,mTu2,mT2,mphi2,LB};

when I run Makespheno[], sarah said No solution found for tadpole equations. While in fact when I use the function TadpoleEquations[field], I can solve the 8 equations, which you can see the details in the attachment.
Could you tell me where is the problem?

Thank you very much!

Best wishes!
Wenxing

Hi,

the problem are most likely the one-loop corrections:

SARAH also tries to solve the one-loop tadpoles defined by:

T_i + \delta_i = 0

where T_i are the tree-level tadpoles and \delta_i parametrise the loop corrections. In your case, most likely relations among the \delta's exist which make it already possible to solve the 8 tree-level equations by only 5 parameters.
This is similar to CP violating MSSM where one has 4 equations but only 3 parameters: the 3rd and 4th are redundant and just differ by an overall factor vd\vu. Therefore, one can define in SPheno.m: and SARAH is again able to solve the loop corrected equations.

Cheers,
Florian