258 citations · 1.6k across the 19 of their papers we have counts for
9 papers · 1 filter
Relaxation of antiferromagnetic order in spin-1/2 chains following a quantum quench
Peter Barmettler, Matthias Punk, Vladimir Gritsev +2
We study the unitary time evolution of antiferromagnetic order in anisotropic Heisenberg chains that are initially prepared in a pure quantum state far from equilibrium. Our analys…
Interferometric probe of paired states
V. Gritsev, E. Demler, A. Polkovnikov
We propose a new method for detecting paired states in either bosonic or fermionic systems using interference experiments with independent or weakly coupled low dimensional systems…
Crystallization of strongly interacting photons in a nonlinear optical fiber
D. E. Chang, V. Gritsev, G. Morigi +3
Understanding strongly correlated quantum systems is a central problem in many areas of physics. The collective behavior of interacting particles gives rise to diverse fundamental…
Dynamical instability of the XY spiral state of ferromagnetic condensates
R. W. Cherng, V. Gritsev, D. M. Stamper-Kurn +1
We calculate the spectrum of collective excitations of the XY spiral state prepared adiabatically or suddenly from a uniform ferromagnetic F=1 condensate. For spiral wavevectors pa…
Quantum Spin Dynamics of Mode-Squeezed Luttinger Liquids in Two-Component Atomic Gases
Artur Widera, Stefan Trotzky, Patrick Cheinet +6
We report on the observation of the phase dynamics of interacting one-dimensional ultracold bosonic gases with two internal degrees of freedom. By controlling the non-linear atomic…
Preparation and detection of magnetic quantum phases in optical superlattices
A. M. Rey, V. Gritsev, I. Bloch +2
We describe a novel approach to prepare, detect and characterize magnetic quantum phases in ultra-cold spinor atoms loaded in optical superlattices. Our technique makes use of sing…