E
Eugene Demler
Researcher at Harvard University
Publications - 556
Citations - 37871
Eugene Demler is an academic researcher from Harvard University. The author has contributed to research in topics: Ultracold atom & Quantum. The author has an hindex of 88, co-authored 521 publications receiving 31670 citations. Previous affiliations of Eugene Demler include Kavli Institute for Theoretical Physics & University of Maryland, College Park.
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Self-similar dynamics of order parameter fluctuations in pump-probe experiments
TL;DR: In this paper, a simple nonperturbative effective model for photo-induced dynamics of collective bosonic excitations was developed, which offers a unifying description of order parameter fluctuations in a regime far from equilibrium, and can be tested with available time-resolved techniques.
Posted Content
Microscopic evolution of doped Mott insulators from polaronic metal to Fermi liquid
Joannis Koepsell,Dominik Bourgund,Pimonpan Sompet,Sarah Hirthe,Annabelle Bohrdt,Yao Wang,Fabian Grusdt,Eugene Demler,Guillaume Salomon,Christian Gross,Christian Gross,Immanuel Bloch,Immanuel Bloch +12 more
TL;DR: A crossover in Fermi-Hubbard systems on a cold-atom quantum simulator is observed and the transformation of multipoint correlations between spins and holes upon increasing doping at temperatures around the superexchange energy is revealed.
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Spin Bose-glass phase in bilayer quantum Hall systems at nu=2
Eugene Demler,S. Das Sarma +1 more
TL;DR: In this article, an effective spin theory was developed to describe magnetic properties of the quantum Hall bilayer systems, which gave quantitative agreement with the results of microscopic Hartree-Fock calculations, and for finite disorder it predicts the existence of a novel spin Bose glass phase.
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Gaussian time-dependent variational principle for the Bose-Hubbard model
TL;DR: In this article, the authors systematically extend Bogoliubov theory beyond the mean-field approximation of the Bose-Hubbard model in the superfluid phase to the family of all Gaussian states (i.e., Gaussian TDVP) using imaginary time evolution in 1D, 2D, and 3D.
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Pi excitation of the t-J model
TL;DR: In this article, the contribution of the pi resonance to the spin excitation spectrum can be estimated from general model-independent sum rules, and it agrees with the detailed calculations of the t-J model.