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Lasers of Pure Sound

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José Tito Mendonça, Physics 6, 32 (2013) – Published March 18, 2013
Phonon lasing—coherent amplification of phonons by stimulated emission—has been achieved in a purely acoustic analog of a three-level laser scheme.
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Quasicrystals, Meet Topological Insulators

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Alexander Quandt, Physics 5, 99 (2012) – Published September 4, 2012
The properties that characterize topological insulators, such as symmetry protected surface states, also appear in materials with quasiperiodic order.
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Light and Heat in a Balancing Act

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Kishan Dholakia and Tomáš Čižmár, Physics 5, 76 (2012) – Published July 9, 2012
Radiation pressure and thermal effects come together in a new technique for manipulating particles inside a hollow-core photonic crystal fiber.
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Wiring Up Displacement Currents

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Jon Schuller, Physics 5, 52 (2012) – Published May 7, 2012
Specially designed waveguides act like conduits for high-frequency displacement currents.