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Stabilizing the electroweak vacuum by higher dimensional operators in a Higgs-Yukawa model
Prasad Hegde, Karl Jansen, C. -J. David Lin +1
The Higgs boson discovery at the LHC with a mass of approximately 126 GeV suggests, that the electroweak vacuum of the standard model may be metastable at very high energies. Howev…
The phase structure of a chirally-invariant Higgs-Yukawa model
Prasad Hegde, George W. -S. Hou, Karl Jansen +5
We present new results of our ongoing project on the investigation of the phase structure of the Higgs-Yukawa model at small and large bare Yukawa couplings. The critical exponents…
Quark number susceptibilities at high temperatures
A. Bazavov, H. -T. Ding, P. Hegde +6
We calculate second and fourth order quark number susceptibilities for 2+1 flavor QCD in the high temperature region. In our study we use two improved staggered fermion formulation…
Strangeness at high temperatures: from hadrons to quarks
A. Bazavov, H. -T. Ding, P. Hegde +11
Appropriate combinations of up to fourth order cumulants of net strangeness fluctuations and their correlations with net baryon number and electric charge fluctuations, obtained fr…