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DTSTART:20190331T030000
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DTSTAMP:20260405T223635Z
UID:5d149e5a0a480314720362@ist.ac.at
DTSTART:20190704T140000
DTEND:20190704T150000
DESCRIPTION:Speaker: Matthew H. Matheny\nhosted by Johannes Fink\nAbstract:
  Understanding the macroscopic behavior of networks of coupled oscillators
  from their microscopic properties has fundamental value to many areas of 
 science and technology. For example\, oscillator lattices have been propos
 ed as computational engines capable of combinatorial annealing\, reservoir
  computing\, and pattern recognition. In oscillator lattices\, the most ba
 sic phenomena observed is synchronization\, when the phases or frequencies
  of oscillators become ordered as coupling becomes large [1]. A parallel c
 an be drawn between this ordering and ferromagnetism/antiferromagnetism in
  condensed matter systems. Carrying the connection between coupled oscilla
 tors and condensed matter further\, collective modes which spontaneously b
 reak lattice symmetry become stable when on-site and interaction terms are
  appropriately tuned. Here\, I show these states are experimentally access
 ible in a chain of nanoelectromechanical oscillators with periodic boundar
 y conditions. Through full control over individual oscillator parameters i
 n situ [2]\, I demonstrate control over macroscopic state properties and s
 pontaneously symmetry breaking [3]. [1] Matheny\, M.H.\, Grau\, M.\, Villa
 nueva\, L.G.\, Karabalin\, R.B.\, Cross\, M.C.\, and Roukes\, M.L. (2014).
  Phase Synchronization of Two Anharmonic Nanomechanical Oscillators. Phys.
  Rev. Lett. 112\, 014101. [2] Fon\, W.\, Matheny\, M.H.\, Li\, J.\, Krayzm
 an\, L.\, Cross\, M.C.\, DSouza\, R.M.\, Crutchfield\, J.P. and Roukes\, M
 .L (2017). Complex dynamical networks constructed with fully controllable 
 nonlinear nanomechanical oscillators. Nano letters\, 17(10)\, 5977-5983.[3
 ] Matheny\, M. H.\, Emenheiser\, J.\, Fon\, W.\, Chapman\, A.\, Rohden\, M
 . \, Salova\, A. Li\, J. de Badyn\, M. H.\, Duenas-Osorio\, L.\, Mesbahi\,
  M. Crutchfield\, J. P.\, Cross\, M. C.\, D'Souza\, R. M. and Roukes\, M. 
 L. (2019). Exotic states in a simple network of nanoelectromechanical osci
 llators. Science\, 363(6431)\, eaav7932.
LOCATION:Mondi Seminar Room 2\, Central Building\, ISTA
ORGANIZER:swiddman@ist.ac.at
SUMMARY:Matthew H. Matheny: Collective Phenomena in lattices of nanoelectro
 mechanical oscillators
URL:https://talks-calendar.ista.ac.at/events/2026
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