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13 papers · 1 filter
Small- behavior of the Non-Hermitian PT-Symmetric Hamiltonian
Carl M. Bender, Karim Besseghir, Hugh F. Jones +1
The energy eigenvalues of the class of non-Hermitian PT-symmetric Hamiltonians () are real, positive, and discrete. The behavior of these eigenvalues has…
Nonunique C operator in PT Quantum Mechanics
Carl M. Bender, S. P. Klevansky
The three simultaneous algebraic equations, , , , which determine the operator for a non-Hermitian -symmetric Hamiltonian , are shown to have a…
Phase diagrams of SU(N) gauge theories with fermions in various representations
Joyce C. Myers, Michael C. Ogilvie
We minimize the one-loop effective potential for SU(N) gauge theories including fermions with finite mass in the fundamental (F), adjoint (Adj), symmetric (S), and antisymmetric (A…
Fitting oscillating string gas cosmology to supernova data
Francesc Ferrer, Tuomas Multamaki, Syksy Rasanen
In string gas cosmology, extra dimensions are stabilised by a gas of strings. In the matter-dominated era, competition between matter pushing the extra dimensions to expand and the…
PT Symmetry and QCD: Finite Temperature and Density
Michael C. Ogilvie, Peter N. Meisinger
The relevance of PT symmetry to quantum chromodynamics (QCD), the gauge theory of the strong interactions, is explored in the context of finite temperature and density. Two signifi…
The Large-N Limit of PT-Symmetric O(N) Models
Hiromichi Nishimura, Michael Ogilvie
We study a -symmetric quantum mechanical model with an O(N)-symmetric potential of the form using its equivalent Hermitian form. Altho…