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Dynamic Orders in Quantum matter

Date and Time: Tuesday, November 10, 2020, 01:30pm -
Location: Zoom

Speaker: Alexander Balatsky (Nordita/UConn)

Quantum matter out of equilibrium emerge as an important platform to induce correlations and transient orders.  Broad basic questions about orders that are inherently dynamic have been addressed in the context of driven cold atoms, spins, magnetic states and superconductors. I will discuss the example of emergent dynamic and entangled states in quantum paralelectrics where driven electric fluctuations induce magnetization, the *dynamic multiferroicity* phenomenon [1]. We see a rapidly growing list of unusual quantum states in time domain to be discovered.  I will point to other examples of *dynamic orders* out of equilibrium, e.g. coherent states of magnons in Dirac materials [2].

[1] Dynamic multiferroicity of a ferroelectric quantum critical point, K Dunnett, JX Zhu, NA Spaldin, V Juri?i?, AV Balatsky, Physical review letters 122 (5), 057208 (2020); Dynamical multiferroicity, DM Juraschek, M Fechner, AV Balatsky, NA Spaldin, Physical Review Materials 1 (1), 014401(2017)

[2] Bose-Einstein condensate of Dirac magnons: pumping and collective modes, PO Sukhachov, S Banerjee, AV Balatsky, arXiv preprint arXiv:2008.01328 (2020)

Host:  Sang-Wook Cheong

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