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DTSTART:20181102T020000
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DESCRIPTION: Title: Hydrodynamic fluctuations and lower bounds of the trans
port coefficients\n Abstract: In this talk I will discuss the effects of h
ydrodynamic fluctuations in non-relativistic and relativistic setups.
\; Within the framework of stochastic hydrodynamics I obtain a number of m
odel independent results\, including the long-time tail of different trans
port coefficients\, and the leading non-analyticity of the correlators of
energy\, momentum and particle density in non-relativistic and relativisti
c setups. The presence of hydrodynamic fluctuations induce lower bounds on
the transport coefficients by analyzing the low frequency limit of differ
ent correlation functions. I determine the lower bounds of the bulk viscos
ity over entropy ratio in a cold Fermi gas near unitarity. When extending
this analysis to the case of a U(1) conformal relativistic expanding fluid
we observe that the values of the shear viscosity and heat conductivity a
re bounded from below. In both setups\, non-relativistic and relativistic
one\, the lower bounds on the transport coefficients are weakly dependent
on assumptions regarding the range of applicability of fluid dynamics. \n\
nHEP Oct31 Martinez Guerrero flyer
DTEND:20181031T170000Z
DTSTAMP:20190321T032429Z
DTSTART:20181031T160000Z
LOCATION:
SEQUENCE:0
SUMMARY:High Energy Physics Seminar: Dr. Mauricio Martinez Guerrero (North
Carolina State University)
UID:RFCALITEM636887174690771993
X-ALT-DESC;FMTTYPE=text/html: Title: Hydrodynamic fluctuations and lower
bounds of the transport coefficients

\n Abstract: In this talk I wi
ll discuss the effects of hydrodynamic fluctuations in non-relativistic an
d relativistic setups. \; Within the framework of stochastic hydrodyna
mics I obtain a number of model independent results\, including the long-t
ime tail of different transport coefficients\, and the leading non-analyti
city of the correlators of energy\, momentum and particle density in non-r
elativistic and relativistic setups. The presence of hydrodynamic fluctuat
ions induce lower bounds on the transport coefficients by analyzing the lo
w frequency limit of different correlation functions. I determine the lowe
r bounds of the bulk viscosity over entropy ratio in a cold Fermi gas near
unitarity. When extending this analysis to the case of a U(1) conformal r
elativistic expanding fluid we observe that the values of the shear viscos
ity and heat conductivity are bounded from below. In both setups\, non-rel
ativistic and relativistic one\, the lower bounds on the transport coeffic
ients are weakly dependent on assumptions regarding the range of applicabi
lity of fluid dynamics.

\n

\nHEP Oct3
1 Martinez Guerrero flyer

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