Quantum journal club

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Seminar room, (about each 2 weeks) on Mondays @ 11:00am to 12:00am.

09/15/18 : " Topological Transition in a Non-Hermitian Quantum Walk " by Leonardo Mazza

References: M. S. Rudner and L. S. Levitov, Phys. Rev. Lett. 102, 065703 (2009)(https://arxiv.org/abs/0807.2048)

07/09/18 : " Out-of-time-order correlators in quantum mechanics" by Bradraj Pandey

References:1. Out-of-time-order correlators in quantum mechanics (https://arxiv.org/abs/1703.09435) 2. Measuring out-of-time-order correlations and multiple quantum spectra in a trapped ion quantum magnet (https://arxiv.org/abs/1608.08938).

06/18/18 : Lieb-Robinson bounds " by Maurizio Fagotti :
06/04/18 : Quantum mechanics in multi-connected space and the origin of new statistics in low dimensional system by Raoul santachiara

We recall how to define the problem of N indinstinguishible quantum particles and argue that the topology of the configuration space plays a crucial role. This observation, that has been put on solid grounds by Leinaas and Mirheim in the 1977, has provided the theoretical framework for the existence of anyonic statistics in two dimensions. Moreover, it inspired the connection between the Conformal field theory and topological phases in two dimensions: via this connection, the occurence of non-Abelian anyons in the fractional quantum Hall effect has been suggested.

03/26/18 Supersolids: a short overview by Giovanni Martone

References: " Colloquium: Supersolids: What and where are they"by M. Boninsegni and N. V. Prokof'ev, " , "Quantum Tricriticality and Phase Transitions in Spin-Orbit Coupled Bose-Einstein Condensates" by Y. Li, L. P. Pitaevskii, and S. Stringari and "A stripe phase with supersolid properties in spin-orbit-coupled Bose-Einstein condensates" by J. Li, J. Lee, W. Huang, S. Burchesky, B. Shteynas, F. Ç. Top, A. O. Jamison, and W. Ketterle

03/12/18 Dynamical Quantum phase transition by Guillaume Roux

References: Dynamical quantum phase transitions: a review by M. Heyl and Dynamical quantum phase transitions by A.A. Zvyagin