Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-12-14
JHEP 1102:060,2011
Physics
High Energy Physics
High Energy Physics - Theory
16 pages, 7 figures, LaTeX2e, minor corrections in section 3, final version accepted in JHEP
Scientific paper
10.1007/JHEP02(2011)060
We investigate thermodynamic properties of one-dimensional U(N) supersymmetric gauge theories with 4 and 8 supercharges in the planar large-N limit by Monte Carlo calculations. Unlike the 16 supercharge case, the threshold bound state with zero energy is widely believed not to exist in these models. This led A.V. Smilga to conjecture that the internal energy decreases exponentially at low temperature instead of decreasing with a power law. In the 16 supercharge case, the latter behavior was predicted from the dual black 0-brane geometry and confirmed recently by Monte Carlo calculations. Our results for the models with 4 and 8 supercharges indeed support the exponential behavior, revealing a qualitative difference from the 16 supercharge case.
Hanada Masanori
Matsuura So
Nishimura Jun
Robles-Llana Daniel
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