activity
19922026
most citedPhase Transitions in Softly Broken N=2 SQCD at Non-zero Theta Angle

42 citations · 131 across the 7 of their papers we have counts for

collaborators

8 papers

hep-th2026

The Standard Model on a finite bosonic lattice with continuum Weyl fermions

Stephen D. H. Hsu

We investigate a formulation of the Standard Model in which gauge and Higgs fields are regulated on a finite lattice, while quarks and leptons remain continuum Weyl fermions. This…

hep-th2025

Relativistic Covariance and Nonlinear Quantum Mechanics: Tomonaga-Schwinger Analysis

Stephen D. H. Hsu

We use the Tomonaga-Schwinger (TS) formulation of quantum field theory to determine when state-dependent additions to the local Hamiltonian density (i.e., modifications to linear S…

hep-th1997★ 7 cited

Lattice Tests of Supersymmetric Yang-Mills Theory?

Nick Evans, Steve Hsu, Myck Schwetz

Supersymmetric Yang Mills theory is directly accessible to lattice simulations using current methodology, and can provide a non-trivial check of recent exact results in SQCD. In or…

hep-ph1996★ 15 cited

QCD at Large Angle and Axion Cosmology

N. Evans, S. D. H. Hsu, A. Nyffeler +1

We use the chiral Lagrangian to investigate the global properties of the -flavor QCD vacuum as a function of the parameter. In the case of exact quark degeneracy we find evi…

hep-th1996★ 42 cited

Phase Transitions in Softly Broken N=2 SQCD at Non-zero Theta Angle

N. Evans, S. D. H. Hsu, M. Schwetz

We investigate the behavior of softly broken SQCD at non-zero bare theta angle , using superfield spurions to implement the SUSY breaking. We find a first-order phase tr…

hep-ph1996★ 5 cited

Chiral Perturbation Theory, Large-N_c and the eta' Mass

N. Evans, S. D. H. Hsu, M. Schwetz

Using chiral perturbation theory and the large- expansion, we obtain expressions for the mass and mixing in terms of low-energy chiral Lagrangian parameters. This…

hep-ph1996★ 42 cited

Topological Charge and Symmetry in the High Temperature Phase of QCD

N. Evans, S. D. H. Hsu, M. Schwetz

We discuss the global symmetries of the high temperature phase of QCD with massless quarks. We show that the symmetries are only violated by operators…

hep-ph1992★ 20 cited

Corrections to the Electroweak Effective Action at Finite Temperature

C. G. Boyd, D. E. Brahm, S. D. H. Hsu

We calculate contributions to the finite temperature effective action for the electroweak phase transition (EWPT) at , {\it i.e.} at second order in $(g^2 T/\M)$ and all or…