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4 papers · 2 filters
Universality in the dynamics of second-order phase transitions
G. Nikoghosyan, R. Nigmatullin, M. B. Plenio
When traversing a symmetry breaking second order phase transition at a finite rate, topological defects form whose number dependence on the quench rate is given by simple power law…
Universal aspects in the behavior of the entanglement spectrum in one dimension: scaling transition at the factorization point and ordered entangled structures
S. M. Giampaolo, S. Montangero, F. Dell'Anno +2
We investigate the scaling of the entanglement spectrum and of the Rényi block entropies and determine its universal aspects in the ground state of critical and noncritical one-dim…
Full characterization of the quantum linear-zigzag transition in atomic chains
Pietro Silvi, Gabriele De Chiara, Tommaso Calarco +2
A string of repulsively interacting particles exhibits a phase transition to a zigzag structure, by reducing the transverse trap potential or the interparticle distance. The transi…
Dynamics of quantum coherences at strong coupling to a heat bath
Denis Kast, Joachim Ankerhold
The standard approach for path integral Monte Carlo simulations of open quantum systems is extended as an efficient tool to monitor the time evolution of coherences (off-diagonal e…