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Multigrid solver for clover fermions
Multigrid solver clover fermions
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2011/1/6
We present an adaptive multigrid Dirac solver developed for Wilson clover fermions which offers order-of-magnitude reductions in solution time compared to conventional Krylov solvers. The solver incor...
N-body Simulations for f(R) Gravity using a Self-adaptive Particle-Mesh Code
N-body Simulations Gravity Self-adaptive Particle-Mesh Code
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2010/12/24
We perform high resolution N-body simulations for f(R) gravity based on a self-adaptive particle- mesh code MLAPM. The Chameleon mechanism that recovers General Relativity on small scales is fully ta...
Thermal momentum distribution from path integrals with shifted boundary conditions
Thermal momentum distribution path integrals
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2011/1/6
For a thermal field theory formulated in the grand canonical ensemble, the distribution of the total momentum is an observable characterizing the thermal state. We show that its cumulants are related ...
Thermal momentum distribution from path integrals with shifted boundary conditions
Thermal momentum distribution path integrals
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2011/1/6
For a thermal field theory formulated in the grand canonical ensemble, the distribution of the total momentum is an observable characterizing the thermal state. We show that its cumulants are related ...
Lattice QCD at the physical point: Simulation and analysis details
Lattice QCD the physical point
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2011/1/6
We give details of our precise determination of the light quark masses m_{ud}=(m_u+m_d)/2 and m_s in 2+1 flavor QCD, with simulated pion masses down to 120 MeV, at five lattice spacings, and in large ...
Lattice QCD at the physical point: Simulation and analysis details
Lattice QCD the physical point
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2011/1/6
We give details of our precise determination of the light quark masses m_{ud}=(m_u+m_d)/2 and m_s in 2+1 flavor QCD, with simulated pion masses down to 120 MeV, at five lattice spacings, and in large ...
The deformations of antibracket with even and odd deformation parameters
antibracket even odd deformation parameters
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2010/12/27
We consider antibracket superalgebras realized on the smooth Grassmann-valued functions with compact supports in n-dimensional space and with the grading inverse to Grassmanian parity. The deformatio...
Low Mass Gluino within the Sparticle Landscape, Implications for Dark Matter, and Early Discovery Prospects at LHC-7
Low Mass Gluino Sparticle Landscape Dark Matter
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2010/12/24
We analyze supergravity models that predict a low mass gluino within the landscape of sparticle mass hierarchies. The analysis includes a broad class of models that arise in minimal and in non-minimal...
Improved automated lattice perturbation theory in background field gauge
Improved automated lattice perturbation theory background field gauge
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2011/1/6
We present an algorithm to automatically derive Feynman rules for lattice perturbation theory in background field gauge. Vertices with an arbitrary number of both background and quantum legs can be de...
Improved automated lattice perturbation theory in background field gauge
Improved automated lattice perturbation theory background field gauge
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2011/1/6
We present an algorithm to automatically derive Feynman rules for lattice perturbation theory in background field gauge. Vertices with an arbitrary number of both background and quantum legs can be de...
A solution of the Gross-Witten matrix model by nonlinear random processes
the Gross-Witten matrix model nonlinear random processes
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2011/1/6
We illustrate the stochastic method for solving the Schwinger-Dyson equations in large-N quantum field theories described in ArXiv:1009.4033 on the example of the Gross-Witten unitary matrix model. In...
A solution of the Gross-Witten matrix model by nonlinear random processes
the Gross-Witten matrix model nonlinear random processes
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2011/1/6
We illustrate the stochastic method for solving the Schwinger-Dyson equations in large-N quantum field theories described in ArXiv:1009.4033 on the example of the Gross-Witten unitary matrix model. In...
Running coupling constant of ten-flavor QCD with the Schrödinger functional method
Running coupling constant ten-flavor QCD
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2011/1/6
Walking technicolor theory attempts to realize electroweak symmetry breaking as the spontaneous chiral symmetry breakdown caused by the gauge dynamics with slowly varying gauge coupling constant and l...
Running coupling constant of ten-flavor QCD with the Schrödinger functional method
Running coupling constant ten-flavor QCD
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2011/1/6
Walking technicolor theory attempts to realize electroweak symmetry breaking as the spontaneous chiral symmetry breakdown caused by the gauge dynamics with slowly varying gauge coupling constant and l...
B^0_s and B^0 Mixing in the Standard Model and Beyond: A Progress Report
B^0_s B^0 Mixing the Standard Model
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2011/1/6
We give a progress report on the calculation of B meson mixing matrix elements, focusing on contributions that could arise beyond the Standard Model. The calculation uses asqtad (light quark) and Ferm...