Séminaire exceptionnel du LPTMS: Boris Svistunov


11:00 - 12:15

LPTMS, salle 201, 2ème étage, Bât 100, Campus d'Orsay
15 Rue Georges Clemenceau, Orsay, 91405
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The Halon: A Quasiparticle Featuring Critical Charge Fractionalization

Boris Svistunov (University of Massachussetts Amherst)

I will present two quite different examples of a new impurity driven quantum criticality associated with a sharply defined integer charge of a quasiparticle (polaron). On the approach to the critical point, the charge distribution splits into a fractionally charged core and a critically large halo carrying the complementary charge.

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