103 citations · 344 across the 9 of their papers we have counts for
7 papers
Quantum spin transistor with a Heisenberg spin chain
O. V. Marchukov, A. G. Volosniev, M. Valiente +2
We propose and analyze a scheme for conditional state transfer in a Heisenberg spin chain which realizes a quantum spin transistor. In our scheme, the absence or presence of…
Few-Body Route to One-Dimensional Quantum Liquids
Manuel Valiente, Patrik Ohberg
Gapless many-body quantum systems in one spatial dimension are universally described by the Luttinger liquid effective theory at low energies. Essentially, only two parameters ente…
Driven Topological Systems in the Classical Limit
Callum W. Duncan, Patrik Ohberg, Manuel Valiente
Periodically-driven quantum systems can exhibit topologically non-trivial behaviour, even when their quasi-energy bands have zero Chern numbers. Much work has been conducted on non…
Elementary excitations of chiral Bose-Einstein condensates
Matthew Edmonds, Manuel Valiente, Patrik Öhberg
We study the collective modes of a Bose-Einstein condensate subject to an optically induced density-dependent gauge potential. The corresponding interacting gauge theory lacks Gali…
Engineering the Dynamics of Effective Spin-Chain Models for Strongly Interacting Atomic Gases
A. G. Volosniev, D. Petrosyan, M. Valiente +3
We consider a one-dimensional gas of cold atoms with strong contact interactions and construct an effective spin-chain Hamiltonian for a two-component system. The resulting Heisenb…
Low-energy behaviour of strongly-interacting bosons on a flat-banded lattice above the critical filling factor
Lawrence G. Phillips, Gabriele De Chiara, Patrik Öhberg +1
Bosons interacting repulsively on a lattice with a flat lowest band energy dispersion may, at sufficiently small filling factors, enter into a Wigner-crystal-like phase. This phase…