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Sala, P; Shi, T; Kuhn, S; Banuls, MC; Demler, E; Cirac, JI
Variational study of U(1) and SU(2) lattice gauge theories with Gaussian states in 1+1 dimensions
发表期刊PHYSICAL REVIEW D
语种英语
关键词MASSIVE SCHWINGER MODEL ENTANGLED PAIR STATES STRONG-COUPLING CALCULATIONS MATRIX PRODUCT STATES YANG-MILLS THEORY HAMILTONIAN-FORMULATION SPIN SYSTEMS T-EXPANSION REPRESENTATION CONFINEMENT
摘要We introduce a method to investigate the static and dynamic properties of both Abelian and non-Abelian lattice gauge models in 1 + 1 dimensions. Specifically, we identify a set of transformations that disentangle different degrees of freedom, and apply a simple Gaussian variational ansatz to the resulting Hamiltonian. To demonstrate the suitability of the method, we analyze both static and dynamic aspects of string breaking for the U(1) and SU(2) gauge models. We benchmark our results against tensor network simulations and observe excellent agreement, although the number of variational parameters in the Gaussian ansatz is much smaller.
2018
ISSN2470-0010
卷号98期号:3页码:34505
学科领域Astronomy & Astrophysics ; Physics
学科门类Astronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.98.034505
收录类别SCIE
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22835
专题理论物理所科研产出_SCI论文
作者单位1.[Sala, P.] Tech Univ Munich, Dept Phys, T42,James Franck Str 1, D-85748 Garching, Germany
2.[Shi, T.] Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
3.[Kuhn, S.] Perimeter Inst Theoret Phys, 31 Caroline St North, Waterloo, ON N2L 2Y5, Canada
4.[Banuls, M. C.
5.Cirac, J. I.] Max Planck Inst Quantum Opt, Hans Kopfermann Str 1, D-85748 Garching, Germany
6.[Demler, E.] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
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Sala, P,Shi, T,Kuhn, S,et al. Variational study of U(1) and SU(2) lattice gauge theories with Gaussian states in 1+1 dimensions[J]. PHYSICAL REVIEW D,2018,98(3):34505.
APA Sala, P,Shi, T,Kuhn, S,Banuls, MC,Demler, E,&Cirac, JI.(2018).Variational study of U(1) and SU(2) lattice gauge theories with Gaussian states in 1+1 dimensions.PHYSICAL REVIEW D,98(3),34505.
MLA Sala, P,et al."Variational study of U(1) and SU(2) lattice gauge theories with Gaussian states in 1+1 dimensions".PHYSICAL REVIEW D 98.3(2018):34505.
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