67 citations · 287 across the 7 of their papers we have counts for
7 papers
Specification of photonic circuits using Quantum Hardware Description Language
Nikolas Tezak, Armand Niederberger, Dmitri S. Pavlichin +2
Following the simple observation that the interconnection of a set of quantum optical input-output devices can be specified using structural mode VHSIC Hardware Description Languag…
The ground state of binary systems with a periodic modulation of the linear coupling
Armand Niederberger, Boris A. Malomed, Maciej Lewenstein
We consider a quasi-one-dimensional two-component systm, described by a pair of Nonlinear Schrödinger/Gross-Pitaevskii Equations (NLSEs/GPEs), which are coupled by the linear mixin…
Disorder-Induced Order in Quantum XY Chains
Armand Niederberger, Marek M. Rams, Jacek Dziarmaga +3
We observe signatures of disorder-induced order in 1D XY spin chains with an external, site-dependent uni-axial random field within the XY plane. We numerically investigate signatu…
Disorder-Induced Phase Control in Superfluid Fermi-Bose Mixtures
Armand Niederberger, Jan Wehr, Maciej Lewenstein +1
We consider a mixture of a superfluid Fermi gas of ultracold atoms and a Bose-Einstein condensate of molecules possessing a continuous U(1) (relative phase) symmetry. We study the…
Disorder-Induced Order in Two-Component Bose-Einstein Condensates
Armand Niederberger, Thomas Schulte, Jan Wehr +3
We propose and analyze a general mechanism of disorder-induced order in two-component Bose-Einstein condensates, analogous to corresponding effects established for XY spin models.…
Disorder versus the Mermin-Wagner-Hohenberg effect: From classical spin systems to ultracold atomic gases
Jan Wehr, Armand Niederberger, Laurent Sanchez-Palencia +1
We propose a general mechanism of random-field-induced order (RFIO), in which long-range order is induced by a random field that breaks the continuous symmetry of the model. We par…