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Electron star birth: A continuous phase transition at nonzero density
Electron star birth continuous phase transition
2010/12/24
We show that charged black holes in Anti-de Sitter spacetime can undergo a third order phase transition at a critical temperature in the presence of charged fermions. In the low temperature phase, a f...
Phase transition of two-dimensional generalized XY model
Phase transition two-dimensional generalized XY model
2010/11/16
We study the two-dimensional generalized XY model that depends on an integer $q$ by the Monte Carlo method. This model was recently proposed by Romano and Zagrebnov. We find a single Kosterlitz-Thoul...
Synchronization Transition of Identical Phase Oscillators in a Directed Small-World Network
Synchronization Transition Identical Phase Oscillators Directed Small-World Network
2010/4/6
We numerically study a directed small-world network consisting of attractively coupled, identical phase oscillators. While complete synchronization is always stable, it is not always reachable from ra...
Ion-trap simulation of the quantum phase transition in an exactly solvable model of spins coupled to bosons
phase transition bosons Ion-trap simulation
2010/3/10
It is known that arrays of trapped ions can be used to efficiently simulate a variety of many-body quantum systems. Here, we show how it is possible to build a model representing a spin chain interact...