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Title Phase diagram of generalized XY model using tensor renormalization group
Authors Raghav Jha, Abhishek Samlodia, Vamika Longia, Anosh Joseph
JLAB number JLAB-THY-24-4028
LANL number arXiv:2404.17504
Other number DOE/OR/23177-7457
Document Type(s) (Journal Article) 
Associated with EIC: No
Supported by Jefferson Lab LDRD Funding: No
Funding Source: Nuclear Physics (NP)
 

Journal
Compiled for Physical Review D
Volume 110
Page(s) 034504
Publication Abstract: We use the higher-order tensor renormalization group method to study the two-dimensional generalized XY model that admits integer and half-integer vortices. This model is the deformation of the classical XY model and has a rich phase structure consisting of nematic, ferromagnetic, and disordered phases and three transition lines belonging to the Berezinskii-Kosterlitz-Thouless and Ising class. We explore the model for a wide range of temperatures, T, and the deformation parameter, ?, and compute specific heat along with integer and half-integer magnetic susceptibility, finding both BKT-like and Ising-like transitions and the region where they meet.
Experiment Numbers:
Group: THEORY CENTER
Document: pdf
DOI: https://doi.org/10.1103/PhysRevD.110.034504
Accepted Manuscript: PhysRevD.110.034504.pdf
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