SU(3) lattice gauge theory with a mixed fundamental and adjoint plaquette action: Lattice artefacts
نویسندگان
چکیده
منابع مشابه
New Results from Mixed-action Lattice Gauge Theory
Lattice gauge theory involves a particular choice of discretisation of the gauge action, notably in the representation of the gauge group. Physical results should be independent of that choice (an example of universality). We use a combination of two different representations: in our case, only one of these is irreducible. We extend and attempt to clarify recent results which showed possible pr...
متن کاملMatrix elements of the plaquette operator of Lattice Gauge Theory
In recent papers[1, 2] we proposed a group theoretical description of the Hilbert space for lattice gauge theories (LGT) in the Hamiltonian framework[3]. This approach, based on representation theory, allows to overcome the problem of selecting the gauge invariant Hilbert space. In particular, the difficulty of explicitly solving Mandelstam’s identities[5] in the context of Wilson loops[4] is c...
متن کاملStability of the Bulk Phase Diagram of the SU(2) Lattice Gauge Theory with Fundamental - Adjoint Action
Using improved mean field and strong coupling expansions we re-analyse the bulk phase diagram of the fundamental-adjoint action of the SU(2) Lattice Gauge Theory. We find that the qualitative features of the bulk phase diagram are robust and unchanged by the inclusion of higher order terms. On the other hand, some of the quantitative features, such as the location of the endpoint of the line of...
متن کاملBiased Metropolis-heat-bath Algorithm for Fundamental-adjoint Su(2) Lattice Gauge Theory
For SU(2) lattice gauge theory with the fundamental-adjoint action an efficient heat-bath algorithm is not known so that one had to rely on Metropolis simulations supplemented by overrelaxation. Implementing a novel biased Metropolis-heat-bath algorithm for this model, we find improvement factors in the range 1.45 to 2.06 over conventionally optimized Metropolis simulations. If one optimizes fu...
متن کاملAdjoint Wilson line in SU(2) lattice gauge theory.
The behavior of the adjoint Wilson line in finite-temperature, SU(2), lattice gauge theory is discussed. The expectation value of the line and the associated excess free energy reveal the response of the finite-temperature gauge field to the presence of an adjoint source. The value of the adjoint line at the critical point of the deconfining phase transition is highlighted. This is not calculab...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2004
ISSN: 1029-8479
DOI: 10.1088/1126-6708/2004/08/005