Speaker
Mr
Trond Ingebrigtsen
(Roskilde University)
Description
In a series of articles [1–5] a new class of liquids was
identified, namely the class of strongly correlating liquids.
These liquids are characterized by having isomorphs to a
good approximation. Isomorphs [4] are curves in a liquid’s
phase diagram along which structure and dynamics are
invariant in reduced units, as well as some thermodynamic
quantities. We present here an overview of strongly
correlating liquids, their isomorphs and some of the
consequences of isomorphs in a liquid’s phase diagram. For
instance, it has recently been shown that strongly
correlating liquids have a simple thermodynamics [6] as well
as simple liquid-state physics [7] . Examples of the
isomorph theory are taken from: 1) Spatially confined liquids
showing stratification and position-dependent relaxation
processes when confined to the nano-scale. 2) Non-equilibrium
liquids simulated via the SLLOD equations of motion for
Couette shear flow [8].
[1] N. P. Bailey, U. R. Pedersen, N. Gnan, T. B. Schrøder,
and J. C. Dyre, J. Chem. Phys. 129, 184507 (2008).
[2] N. P. Bailey, U. R. Pedersen, N. Gnan, T. B. Schrøder,
and J. C. Dyre, J. Chem. Phys. 129, 184508 (2008).
[3] T. B. Schrøder, N. P. Bailey, U. R. Pedersen, N. Gnan,
and J. C. Dyre, J. Chem. Phys. 131, 234503 (2009).
[4] N. Gnan, T. B. Schrøder, U. R. Pedersen, N. P. Bailey,
and J. C. Dyre, J. Chem. Phys. 131, 234504 (2009).
[5] T. B. Schrøder, N. Gnan, U. R. Pedersen, N. P. Bailey,
and J. C. Dyre, J. Chem. Phys. 134, 164505 (2011).
[6] T. S. Ingebrigtsen, L. Bøhling, T. B. Schrøder, and J.
C. Dyre, J. Chem. Phys. 136, 061102 (2012).
[7] T. S. Ingebrigtsen, T. B. Schrøder, and J. C. Dyre,
Phys. Rev. X 2, 011011 (2012).
[8] L. Separdar, N. P. Bailey, T. B. Schrøder, S.
Davatolhagh, and J. C. Dyre, arXiv 1, 1212.4480v1 (2012).
