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Concept

Universality (dynamical systems)

Publications associées (23)

Dipolar Antiferromagnetism and Quantum Criticality in LiErF4

Henrik Moodysson Rønnow, Gabriel Aeppli, Julian Piatek, Bastien Dalla Piazza, Neda Nikseresht Ghanepour, Nikolay Tsyrulin

Magnetism has been predicted to occur in systems in which dipolar interactions dominate exchange. We present neutron scattering, specific heat, and magnetic susceptibility data for LiErF4, establishing it as a model dipolar-coupled antiferromagnet with pla ...

American Association for the Advancement of Science2012

Entropy in the Coil-to-Globule Transition of Macromolecules : Insights from Simple Models

Carlo Maffi

The coil to globule transition is a fundamental phenomenon in the physics of macro-molecules by reason of the multiplicity of arrangements of their conformation. Such conformational freedom is the main source of entropy in the molecule and is the main oppo ...

EPFL2012

Cubic interactions and quantum criticality in dimerized antiferromagnets

Sandro Wenzel

In certain Mott-insulating dimerized antiferromagnets, triplet excitations of the paramagnetic phase display both three-particle and four-particle interactions. When such a magnet undergoes a quantum phase transition into a magnetically ordered state, the ...

2011