Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Bais, F."'
Autor:
Bais, F. A., Haaker, S. M.
Publikováno v:
Phys. Rev. B 92, 075427 (2015)
In 2D topological systems chiral edges may exhibit a spectral change due to the formation of a Bose condensate and partial confinement in the bulk according to the topological symmetry breaking (TSB) mechanism. We analyze in detail what happens in th
Externí odkaz:
http://arxiv.org/abs/1407.5790
Publikováno v:
Phys. Rev. B 90, 195130 (2014)
Phase transitions in anyon models in (2+1)-dimensions can be driven by condensation of bosonic particle sectors. We study such condensates in a diagrammatic language and explicitly establish the relation between the states in the fusion spaces of the
Externí odkaz:
http://arxiv.org/abs/1310.6001
Publikováno v:
Phys. Rev. A 89, 032105 (2014)
We explain the finite as well as infinite degeneracy in the spectrum of a particular system of spin-1/2 fermions with spin-orbit coupling in three spatial dimensions. Starting from a generalized Runge-Lenz vector, we explicitly construct a complete s
Externí odkaz:
http://arxiv.org/abs/1309.6128
Autor:
Bais, F. A., Romers, J. C.
Publikováno v:
2012 New J. Phys. 14, 035024
We study topological phase transitions in discrete gauge theories in two spatial dimensions induced by the formation of a Bose condensate. We analyse a general class of euclidean lattice actions for these theories which contain one coupling constant
Externí odkaz:
http://arxiv.org/abs/1108.0683
Autor:
Bais, F. A., Slingerland, J. K.
We study the change in topological entanglement entropy that occurs when a two-dimensional system in a topologically ordered phase undergoes a transition to another such phase due to the formation of a Bose condensate. We also consider the topologica
Externí odkaz:
http://arxiv.org/abs/1006.2017
Publikováno v:
Phys.Rev.Lett.102:220403,2009
We investigate domain walls between topologically ordered phases in two spatial dimensions and present a simple but general framework from which their degrees of freedom can be understood. The approach we present exploits the results on topological s
Externí odkaz:
http://arxiv.org/abs/0812.4596
Autor:
Bais, F. A., Romers, J. C.
Publikováno v:
Annals Phys.324:1168-1175,2009
We present a new family of gauge invariant non-local order parameters for (non-abelian) discrete gauge theories on a Euclidean lattice, which are in one-to-one correspondence with the excitation spectrum that follows from the representation theory of
Externí odkaz:
http://arxiv.org/abs/0812.2256
Publikováno v:
JHEP 1001:095, 2010
We propose an electric-magnetic symmetry group in non-abelian gauge theory, which we call the skeleton group. We work in the context of non-abelian unbroken gauge symmetry, and provide evidence for our proposal by relating the representation theory o
Externí odkaz:
http://arxiv.org/abs/0812.1230
Autor:
Bais, F. A., Slingerland, J. K.
We investigate transitions between topologically ordered phases in two spatial dimensions induced by the condensation of a bosonic quasiparticle. To this end, we formulate an extension of the theory of symmetry breaking phase transitions which applie
Externí odkaz:
http://arxiv.org/abs/0808.0627
Publikováno v:
Nucl.Phys.B806:386-435,2009
We analyze the set of magnetic charges carried by smooth BPS monopoles in Yang-Mills-Higgs theory with arbitrary gauge group G spontaneously broken to a subgroup H. The charges are restricted by a generalized Dirac quantization condition and by an in
Externí odkaz:
http://arxiv.org/abs/0803.3376