88,092 research outputs found
New Identities for small hyperbolic surfaces
Luo and Tan gave a new identity for hyperbolic surfaces with/without geodesic
boundary in terms of dilogarithms of the lengths of simple closed geodesics on
embedded three-holed spheres or one-holed tori. However, the identity was
trivial for a hyperbolic one-holed torus with geodesic boundary. In this paper
we adapt the argument from Luo and Tan to give an identity for hyperbolic tori
with one geodesic boundary or cusp in terms of dilogarithm functions on the set
of lengths of simple closed geodesics on the torus. As a corollary, we are also
able to express the Luo-Tan identity as a sum over all immersed three-holed
spheres which are embeddings when restricted to the interior of .Comment: 11 pages, 4 figure
Relationship Between Social Media Use and Social Anxiety Among Emerging Adults
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Thermodynamics of a Trapped Unitary Fermi Gas
We present the first model-independent comparison of recent measurements of
the entropy and of the critical temperature of a unitary Fermi gas, performed
by Luo et al., with the most complete results currently available from finite
temperature Monte Carlo calculations. The measurement of the critical
temperature in a cold fermionic atomic cloud is consistent with a value
in the bulk, as predicted by the present authors in
their Monte Carlo calculations.Comment: 5 pages, 4 figures, published versio
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