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Autor:
Martin Hasenbusch
Publikováno v:
Physical Review B. 107
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad6ba8abfd38870b9d853d9302ad314b
https://doi.org/10.1103/physrevb.107.024409
https://doi.org/10.1103/physrevb.107.024409
Autor:
Martin Hasenbusch
Publikováno v:
Physical Review B. 105
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98945b1193e2095c8e6b41d15bf141d3
https://doi.org/10.1103/physrevb.105.054428
https://doi.org/10.1103/physrevb.105.054428
Autor:
Martin Hasenbusch
Publikováno v:
Physical Review B. 104
We study a generalized Blume-Capel model on the simple cubic lattice. In addition to the nearest neighbor coupling there is a next to next to nearest neighbor coupling. In order to quantify spatial anisotropy, we determine the correlation length in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::106a1646a0e0b7f78d6a1fb6c4638322
https://doi.org/10.1103/physrevb.104.014426
https://doi.org/10.1103/physrevb.104.014426
Autor:
Martin Hasenbusch
Publikováno v:
Physical Review B. 102
We simulate the improved $(q+1)$-state clock model on the simple-cubic lattice at the critical point on lattices of a linear size up to $L=960$. We compute operator product expansion coefficients for the three-dimensional $XY$ universality class. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::164731be5a12777cd6d722e827b775b4
https://doi.org/10.1103/physrevb.102.224509
https://doi.org/10.1103/physrevb.102.224509
Autor:
Martin Hasenbusch
Publikováno v:
Physical Review B. 102
We study the critical behavior of a generalized icosahedral model on the simple cubic lattice. The field variable of the icosahedral model might take one of twelve vectors of unit length, which are given by the normalized vertices of the icosahedron,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1089517bb43195032b3acd37495c54d
https://doi.org/10.1103/physrevb.102.024406
https://doi.org/10.1103/physrevb.102.024406
Autor:
Martin Hasenbusch
Publikováno v:
Physical Review B. 100
We study a generalized clock model on the simple cubic lattice. The parameter of the model can be tuned such that the amplitude of the leading correction to scaling vanishes. In the main part of the study we simulate the model with $Z_8$ symmetry. At
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2aea0f409dc99cb749eeba3d4e6a5892
https://doi.org/10.1103/physrevb.100.224517
https://doi.org/10.1103/physrevb.100.224517
Autor:
Martin Hasenbusch
We study purely dissipative relaxational dynamics in the three-dimensional Ising universality class. To this end, we simulate the improved Blume-Capel model on the simple cubic lattice by using local algorithms. We perform a finite size scaling analy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eeb3603b60c3c69aadd1b90853a68a25
http://arxiv.org/abs/1908.01702
http://arxiv.org/abs/1908.01702
Autor:
Martin Hasenbusch
Publikováno v:
Physical Review
We show how the hopping parameter expansion at order $\kappa^2$ and $\kappa^4$ can be exploited in the simulation of lattice QCD with two flavours of degenerate Wilson fermions. A natural extension of this idea is a "UV-filtering" by using rooted pol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82826cb190fd73b4fa6bf26f2816fd2e
http://arxiv.org/abs/1805.03560
http://arxiv.org/abs/1805.03560
Autor:
Stefan Schaefer, Martin Hasenbusch
Publikováno v:
Physical review / D 98(5), 054502 (2018). doi:10.1103/PhysRevD.98.054502
Physical Review
Physical Review
We apply the event-chain algorithm proposed by Bernard, Krauth and Wilson in 2009 to toy models of lattice QCD. We give a formal prove of stability of the algorithm. We study its performance at the example of the massive Gaussian model on the square
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ea7f6d327c9c876cb363d295f8a71e2
https://bib-pubdb1.desy.de/record/409508
https://bib-pubdb1.desy.de/record/409508