%0 Generic %1 bastidas2013quantum %A Bastidas, V. M. %A Perez-Fernandez, P. %A Vogl, M. %A Brandes, T. %D 2013 %K interesting %R 10.1103/PhysRevLett.112.140408 %T Quantum criticality and dynamical instability in the kicked top %U http://arxiv.org/abs/1308.5640 %X We investigate precursors of critical behavior in the quasienergy spectrum due to the dynamical instability in the kicked top. Using a semiclassical approach, we analytically obtain a logarithmic divergence in the density of states, which is analogous to a continuous excited state quantum phase transition in undriven systems. We propose a protocol to observe the cusp behavior of the magnetization close to the critical quasienergy.

@misc{bastidas2013quantum, abstract = {We investigate precursors of critical behavior in the quasienergy spectrum due to the dynamical instability in the kicked top. Using a semiclassical approach, we analytically obtain a logarithmic divergence in the density of states, which is analogous to a continuous excited state quantum phase transition in undriven systems. We propose a protocol to observe the cusp behavior of the magnetization close to the critical quasienergy.}, added-at = {2014-04-23T04:00:36.000+0200}, author = {Bastidas, V. M. and Perez-Fernandez, P. and Vogl, M. and Brandes, T.}, biburl = {https://www.bibsonomy.org/bibtex/2ad97914f64b47e47085f14c69fdfa9d4/scavgf}, description = {Quantum criticality and dynamical instability in the kicked top}, doi = {10.1103/PhysRevLett.112.140408}, interhash = {a3d852b41dcf9bbfecb527399c90d56a}, intrahash = {ad97914f64b47e47085f14c69fdfa9d4}, keywords = {interesting}, note = {cite arxiv:1308.5640Comment: 5 pages, 3 figures, and supplementary information. Comments are welcome}, timestamp = {2014-04-23T04:00:36.000+0200}, title = {Quantum criticality and dynamical instability in the kicked top}, url = {http://arxiv.org/abs/1308.5640}, year = 2013 }