SCOAP3 Repository 13 records found  1 - 10nextSearch took 0.01 seconds. 
1. Dual simulation of the 2d U(1) gauge Higgs model at topological angle θ  =  π : Critical endpoint behavior / Gattringer, Christof ; Göschl, Daniel ; Sulejmanpašić, Tin
We simulate the 2d U(1) gauge Higgs model on the lattice with a topological angle θ . [...]
Published in Nuclear Physics B (2018) 10.1016/j.nuclphysb.2018.08.017
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2. Finite Density Condensation and Scattering Data: A Study in ϕ4 Lattice Field Theory / Gattringer, Christof ; Giuliani, Mario ; Orasch, Oliver
We study the quantum field theory of a charged ϕ4 field in lattice regularization at finite density and low temperature in 2 and 4 dimensions with the goal of analyzing the connection of condensation phenomena to scattering data in a nonperturbative way. [...]
Published in Physical Review Letters 120 (2018) 10.1103/PhysRevLett.120.241601 arXiv:1804.01580
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3. Baryon bags in strong coupling QCD / Gattringer, Christof
We discuss lattice QCD with one flavor of staggered fermions and show that in the path integral the baryon contributions can be fully separated from quark and diquark contributions. [...]
Published in Physical Review D 97 (2018) 10.1103/PhysRevD.97.074506 arXiv:1802.09417
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4. Dual representation of lattice QCD with worldlines and worldsheets of Abelian color fluxes / Marchis, Carlotta ; Gattringer, Christof
We present a new dual representation for lattice QCD in terms of wordlines and worldsheets. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.034508 arXiv:1712.07546
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5. Kramers–Wannier duality and worldline representation for the SU(2) principal chiral model / Gattringer, Christof ; Göschl, Daniel ; Marchis, Carlotta
In this letter we explore different representations of the SU(2) principal chiral model on the lattice. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.01.065
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6. Simulation strategies for the massless lattice Schwinger model in the dual formulation / Göschl, Daniel ; Gattringer, Christof ; Lehmann, Alexander ; Weis, Christoph
The dual form of the massless Schwinger model on the lattice overcomes the complex action problems from two sources: a topological term, as well as non-zero chemical potential, making these physically interesting cases accessible to Monte Carlo simulations. [...]
Published in Nuclear Physics B (2017) 10.1016/j.nuclphysb.2017.09.006
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7. Density of States FFA analysis of SU(3) lattice gauge theory at a finite density of color sources / Giuliani, Mario ; Gattringer, Christof
We present a Density of States calculation with the Functional Fit Approach (DoS FFA) in SU(3) lattice gauge theory with a finite density of static color sources. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.08.014
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8. Abelian color cycles: A new approach to strong coupling expansion and dual representations for non-abelian lattice gauge theory / Gattringer, Christof ; Marchis, Carlotta
We propose a new approach to strong coupling series and dual representations for non-abelian lattice gauge theories using the SU(2) case as an example. [...]
Published in Nuclear Physics B (2017) 10.1016/j.nuclphysb.2017.01.025
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9. Developing and testing the density of states FFA method in the SU(3) spin model / Giuliani, Mario ; Gattringer, Christof ; Törek, Pascal
The Density of States Functional Fit Approach (DoS FFA) is a recently proposed modern density of states technique suitable for calculations in lattice field theories with a complex action problem. [...]
Published in Nuclear Physics B (2016) 10.1016/j.nuclphysb.2016.10.005
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10. Corrigendum to “Dual lattice representations for O( N ) and CP( N − 1) models with a chemical potential” [Phys. Lett. B 749 (2015) 495–501] / Bruckmann, Falk ; Gattringer, Christof ; Kloiber, Thomas ; Sulejmanpasic, Tin
Published in Physics letters B (2015) 10.1016/j.physletb.2015.10.033
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