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**Harvard**

Anderson, L. och Russo, J. (2015) *ABJM theory with mass and FI deformations and quantum phase transitions*.

** BibTeX **

@article{

Anderson2015,

author={Anderson, Louise and Russo, J. G.},

title={ABJM theory with mass and FI deformations and quantum phase transitions},

journal={Journal of High Energy Physics},

issn={1029-8479},

issue={5},

abstract={The phase structure of ABJM theory with mass m deformation and non-vanishing Fayet-Iliopoulos (FI) parameter, zeta, is studied through the use of localisation on S-3. The partition function of the theory then reduces to a matrix integral, which, in the large N limit and at large sphere radius, is exactly computed by a saddle-point approximation. When the couplings are analytically continued to real values, the phase diagram of the model becomes immensely rich, with an infinite series of third-order phase transitions at vanishing FI-parameter [1]. As the FI term is introduced, new effects appear. For any given 0 < zeta < m/2, the number of phases is finite and for zeta m /2 the theory does not have any phase transitions at all. Finally, we argue that ABJM theory with physical couplings does not undergo phase transitions and investigate the case of U(2) x U(2) gauge group in detail by an explicit calculation of the partition function.},

year={2015},

keywords={Supersymmetric gauge theory, Chern-Simons Theories, Physics, Particles & Fields },

}

** RefWorks **

RT Journal Article

SR Electronic

ID 219782

A1 Anderson, Louise

A1 Russo, J. G.

T1 ABJM theory with mass and FI deformations and quantum phase transitions

YR 2015

JF Journal of High Energy Physics

SN 1029-8479

IS 5

AB The phase structure of ABJM theory with mass m deformation and non-vanishing Fayet-Iliopoulos (FI) parameter, zeta, is studied through the use of localisation on S-3. The partition function of the theory then reduces to a matrix integral, which, in the large N limit and at large sphere radius, is exactly computed by a saddle-point approximation. When the couplings are analytically continued to real values, the phase diagram of the model becomes immensely rich, with an infinite series of third-order phase transitions at vanishing FI-parameter [1]. As the FI term is introduced, new effects appear. For any given 0 < zeta < m/2, the number of phases is finite and for zeta m /2 the theory does not have any phase transitions at all. Finally, we argue that ABJM theory with physical couplings does not undergo phase transitions and investigate the case of U(2) x U(2) gauge group in detail by an explicit calculation of the partition function.

LA eng

DO 10.1007/jhep05(2015)064

LK http://dx.doi.org/10.1007/jhep05(2015)064

LK http://publications.lib.chalmers.se/records/fulltext/219782/local_219782.pdf

OL 30